Backends
Liste seus back-ends
Retorna uma lista de todos os back-ends aos quais a instância do seu serviço tem acesso.
Autorização
Para chamar esse método, deve-se ter sido designado a uma ou mais funções de acesso do IAM que incluam as ações a seguir. É possível verificar seu acesso indo para Users > User > Access
quantum-computing.device.read
Auditoria
A chamada desse método gera os seguintes eventos de auditoria.
quantum-computing.device.read
Entrada
Nome, Tipo | Descrição |
|---|---|
fields string | Uma lista separada por vírgulas de campos a serem retornados na resposta. Inicialmente, suporta apenas o retorno condicional da propriedade Valores possíveis: wait_time_secondsValor Padrão: |
Se sua instância estiver na região eu-de, use este link: URL: https://eu-de.quantum.cloud.ibm.com/api/v1/backends
curl -X GET \
'https://quantum.cloud.ibm.com/api/v1/backends' \
-H 'Accept: application/json' \
-H 'Authorization: Bearer YOUR-TOKEN' \
-H 'Service-CRN: YOUR-SERVICE-CRN' \
-H 'IBM-API-Version: 2026-04-15' Se sua instância estiver na região eu-de, use este link: URL: https://eu-de.quantum.cloud.ibm.com/api/v1/backends
import requests
response = requests.request(
"GET",
"https://quantum.cloud.ibm.com/api/v1/backends",
headers={
"Accept": "application/json",
"IBM-API-Version": "2026-04-15",
"Authorization": "Bearer YOUR-TOKEN",
"Service-CRN": "YOUR-SERVICE-CRN"
},
)
print(response.json())Saída
Código de status | Descrição |
|---|---|
| 200 | Ok |
{
"devices": [
{
"name": "ibmq_qasm_simulator",
"status": {
"name": "online"
},
"is_simulator": true,
"qubits": 32,
"clops": {
"type": "virtual",
"value": 150
},
"processor_type": {
"family": "Quantum",
"revision": "RevA",
"segment": "Segment1"
},
"queue_length": 10
},
{
"name": "ibmq_armonk",
"status": {
"name": "offline"
},
"is_simulator": false,
"qubits": 20,
"clops": null,
"processor_type": {
"family": null,
"revision": null,
"segment": null
},
"queue_length": 0
},
{
"name": "ibmq_nazca",
"status": {
"name": "paused",
"reason": "Maintenance"
},
"is_simulator": false,
"qubits": 16,
"clops": {
"type": "hardware",
"value": 80
},
"processor_type": {
"family": "Quantum",
"revision": "RevB",
"segment": "Segment2"
},
"queue_length": 20
}
]
}{
"title": "BackendsResponse",
"type": "object",
"description": "Resposta dos back-ends",
"properties": {
"devices": {
"minItems": 1,
"type": "array",
"description": "Uma lista de back-ends com seu status",
"items": {
"type": "object",
"required": [
"name",
"status",
"queue_length"
],
"properties": {
"name": {
"type": "string",
"description": "O nome do dispositivo de backend",
"minLength": 1,
"maxLength": 255
},
"status": {
"type": "object",
"description": "O status do dispositivo de backend",
"properties": {
"name": {
"type": "string",
"description": "O nome do status do dispositivo de backend",
"enum": [
"online",
"paused",
"offline"
]
},
"reason": {
"type": "string",
"description": "Motivo opcional para o status"
}
},
"required": [
"name"
]
},
"is_simulator": {
"type": "boolean",
"description": "Indica se o dispositivo é um simulador"
},
"qubits": {
"type": "integer",
"format": "int32",
"minimum": 0,
"maximum": 2147483647,
"nullable": true,
"description": "O número de qubits programáveis no dispositivo"
},
"physical_qubits": {
"type": "integer",
"format": "int32",
"minimum": 0,
"maximum": 2147483647,
"nullable": true,
"description": "O número de qubits físicos (qubits programáveis, qubits de reinicialização e acopladores, somados)"
},
"clops": {
"type": "object",
"nullable": true,
"description": "Detalhes do CLOPS",
"properties": {
"type": {
"type": "string",
"enum": [
"virtual",
"hardware"
]
},
"value": {
"type": "integer",
"format": "int32",
"minimum": 0,
"maximum": 2147483647
}
},
"required": [
"type",
"value"
]
},
"mcps": {
"type": "integer",
"format": "int32",
"minimum": 0,
"maximum": 2147483647,
"nullable": true,
"description": "Número máximo de ciclos por segundo (MCPS)"
},
"processor_type": {
"type": "object",
"nullable": true,
"description": "Detalhes do tipo de processador",
"properties": {
"family": {
"type": "string",
"nullable": true,
"description": "A família do processador"
},
"revision": {
"type": "string",
"nullable": true,
"description": "A revisão do processador"
},
"segment": {
"type": "string",
"nullable": true,
"description": "O segmento do processador"
}
}
},
"queue_length": {
"type": "integer",
"format": "int32",
"minimum": 0,
"maximum": 2147483647,
"description": "O número de trabalhos que estão esperando para serem executados"
},
"performance_metrics": {
"type": "object",
"properties": {
"two_q_error_best": {
"description": "Erro de 2Q (melhor)",
"allOf": [
{
"type": "object",
"properties": {
"value": {
"type": "number",
"example": 0.1
},
"gate": {
"type": "string",
"example": "cx"
},
"unit": {
"type": "string",
"example": ""
},
"qubits": {
"type": "array",
"example": [
1,
2
],
"items": {
"type": "number"
}
}
},
"required": [
"value",
"gate",
"qubits"
]
}
]
},
"two_q_error_layered": {
"description": "Erro de 2Q (em camadas)",
"allOf": [
{
"type": "object",
"properties": {
"value": {
"type": "number",
"example": 0.1
},
"unit": {
"type": "string",
"example": ""
}
},
"required": [
"value"
]
}
]
},
"two_q_error_median": {
"description": "2Q erro (mediana)",
"allOf": [
{
"type": "object",
"properties": {
"value": {
"type": "number",
"example": 0.14123123
},
"unit": {
"type": "string",
"example": ""
}
},
"required": [
"value"
]
}
]
},
"readout_error_median": {
"description": "Erro de leitura (mediana)",
"allOf": [
{
"type": "object",
"properties": {
"value": {
"type": "number",
"example": 0.3442341
},
"unit": {
"type": "string",
"example": ""
}
},
"required": [
"value"
]
}
]
}
}
},
"wait_time_seconds": {
"type": "object",
"nullable": true,
"description": "Tempos de espera de trabalho para o dispositivo (em segundos)",
"properties": {
"average": {
"type": "integer",
"format": "int32",
"minimum": 0,
"maximum": 2147483647,
"description": "Tempo médio de espera antes que os trabalhos comecem a ser executados (em segundos)"
},
"p50": {
"type": "integer",
"format": "int32",
"minimum": 0,
"maximum": 2147483647,
"description": "P50 tempo de espera antes que os trabalhos comecem a ser executados (em segundos)"
},
"p95": {
"type": "integer",
"format": "int32",
"minimum": 0,
"maximum": 2147483647,
"description": "P95 tempo de espera antes que os trabalhos comecem a ser executados (em segundos)"
}
},
"required": [
"average",
"p50",
"p95"
]
}
}
}
}
},
"required": [
"devices"
]
}Obter a configuração do backend
Retorna a configuração do backend especificado.
Autorização
Para chamar esse método, deve-se ter sido designado a uma ou mais funções de acesso do IAM que incluam as ações a seguir. É possível verificar seu acesso indo para Users > User > Access
quantum-computing.device.read
Auditoria
A chamada desse método gera os seguintes eventos de auditoria.
quantum-computing.device.read
Entrada
Nome, Tipo | Descrição |
|---|---|
id Necessário string | Identificador de um backend disponível |
Nome, Tipo | Descrição |
|---|---|
calibration_id string | Retorna a configuração associada à ID de calibração fornecida. |
Se sua instância estiver na região eu-de, use este link: URL: https://eu-de.quantum.cloud.ibm.com/api/v1/backends/{id}/configuration
curl -X GET \
'https://quantum.cloud.ibm.com/api/v1/backends/{id}/configuration' \
-H 'Accept: application/json' \
-H 'Authorization: Bearer YOUR-TOKEN' \
-H 'Service-CRN: YOUR-SERVICE-CRN' \
-H 'IBM-API-Version: 2026-04-15' Se sua instância estiver na região eu-de, use este link: URL: https://eu-de.quantum.cloud.ibm.com/api/v1/backends/{id}/configuration
import requests
response = requests.request(
"GET",
"https://quantum.cloud.ibm.com/api/v1/backends/{id}/configuration",
headers={
"Accept": "application/json",
"IBM-API-Version": "2026-04-15",
"Authorization": "Bearer YOUR-TOKEN",
"Service-CRN": "YOUR-SERVICE-CRN"
},
)
print(response.json())Saída
Código de status | Descrição |
|---|---|
| 200 | Ok |
{
"acquisition_latency": [],
"allow_q_object": true,
"backend_name": "test_rome",
"backend_version": "1.3.24",
"basis_gates": [
"cx",
"id",
"rz",
"sx",
"x"
],
"channels": {
"acquire0": {
"operates": {
"qubits": [
0
]
},
"purpose": "acquire",
"type": "acquire"
},
"acquire1": {
"operates": {
"qubits": [
1
]
},
"purpose": "acquire",
"type": "acquire"
},
"acquire2": {
"operates": {
"qubits": [
2
]
},
"purpose": "acquire",
"type": "acquire"
},
"acquire3": {
"operates": {
"qubits": [
3
]
},
"purpose": "acquire",
"type": "acquire"
},
"acquire4": {
"operates": {
"qubits": [
4
]
},
"purpose": "acquire",
"type": "acquire"
},
"d0": {
"operates": {
"qubits": [
0
]
},
"purpose": "drive",
"type": "drive"
},
"d1": {
"operates": {
"qubits": [
1
]
},
"purpose": "drive",
"type": "drive"
},
"d2": {
"operates": {
"qubits": [
2
]
},
"purpose": "drive",
"type": "drive"
},
"d3": {
"operates": {
"qubits": [
3
]
},
"purpose": "drive",
"type": "drive"
},
"d4": {
"operates": {
"qubits": [
4
]
},
"purpose": "drive",
"type": "drive"
},
"m0": {
"operates": {
"qubits": [
0
]
},
"purpose": "measure",
"type": "measure"
},
"m1": {
"operates": {
"qubits": [
1
]
},
"purpose": "measure",
"type": "measure"
},
"m2": {
"operates": {
"qubits": [
2
]
},
"purpose": "measure",
"type": "measure"
},
"m3": {
"operates": {
"qubits": [
3
]
},
"purpose": "measure",
"type": "measure"
},
"m4": {
"operates": {
"qubits": [
4
]
},
"purpose": "measure",
"type": "measure"
},
"u0": {
"operates": {
"qubits": [
0,
1
]
},
"purpose": "cross-resonance",
"type": "control"
},
"u1": {
"operates": {
"qubits": [
1,
0
]
},
"purpose": "cross-resonance",
"type": "control"
},
"u2": {
"operates": {
"qubits": [
1,
2
]
},
"purpose": "cross-resonance",
"type": "control"
},
"u3": {
"operates": {
"qubits": [
2,
1
]
},
"purpose": "cross-resonance",
"type": "control"
},
"u4": {
"operates": {
"qubits": [
2,
3
]
},
"purpose": "cross-resonance",
"type": "control"
},
"u5": {
"operates": {
"qubits": [
3,
2
]
},
"purpose": "cross-resonance",
"type": "control"
},
"u6": {
"operates": {
"qubits": [
3,
4
]
},
"purpose": "cross-resonance",
"type": "control"
},
"u7": {
"operates": {
"qubits": [
4,
3
]
},
"purpose": "cross-resonance",
"type": "control"
}
},
"conditional": false,
"conditional_latency": [],
"coupling_map": [
[
0,
1
],
[
1,
0
],
[
1,
2
],
[
2,
1
],
[
2,
3
],
[
3,
2
],
[
3,
4
],
[
4,
3
]
],
"coords": [
[
1,
1
],
[
1,
2
],
[
2,
1
],
[
2,
2
],
[
3,
1
]
],
"credits_required": true,
"default_rep_delay": 250,
"description": "dispositivo de 5 qubits",
"discriminators": [
"quadratic_discriminator",
"linear_discriminator",
"hw_qmfk"
],
"dt": 0.2222222222222222,
"dtm": 0.2222222222222222,
"dynamic_reprate_enabled": true,
"gates": [
{
"coupling_map": [
[
0
],
[
1
],
[
2
],
[
3
],
[
4
]
],
"name": "id",
"parameters": [],
"qasm_def": "gate id q { U(0, 0, 0) q; }"
},
{
"coupling_map": [
[
0
],
[
1
],
[
2
],
[
3
],
[
4
]
],
"name": "rz",
"parameters": [
"theta"
],
"qasm_def": "gate rz(theta) q { U(0, 0, theta) q; }"
},
{
"coupling_map": [
[
0
],
[
1
],
[
2
],
[
3
],
[
4
]
],
"name": "sx",
"parameters": [],
"qasm_def": "gate sx q { U(pi/2, 3*pi/2, pi/2) q; }"
},
{
"coupling_map": [
[
0
],
[
1
],
[
2
],
[
3
],
[
4
]
],
"name": "x",
"parameters": [],
"qasm_def": "gate x q { U(pi, 0, pi) q; }"
},
{
"coupling_map": [
[
0,
1
],
[
1,
0
],
[
1,
2
],
[
2,
1
],
[
2,
3
],
[
3,
2
],
[
3,
4
],
[
4,
3
]
],
"name": "cx",
"parameters": [],
"qasm_def": "gate cx q0, q1 { CX q0, q1; }"
},
{
"coupling_map": [],
"name": "reset",
"parameters": null,
"qasm_def": null
}
],
"hamiltonian": {
"description": "Os Qubits são modelados como osciladores Duffing. Nesse caso, o sistema inclui estados de energia mais alta, ou seja, não apenas |0> e |1>. Os operadores de Pauli são generalizados por meio do seguinte conjunto de transformações:\n\n$(\\mathbb{I}-\\sigma_{i}^z)/2 \\rightarrow O_i \\equiv b^\\dagger_{i} b_{i}$,\n\n$\\sigma_{+} \\rightarrow b^\\dagger$,\n\n$\\sigma_{-} \\rightarrow b$,\n\n$\\sigma_{i}^X \\rightarrow b^\\dagger_{i} + b_{i}$.\n\nOs Qubits são acoplados por meio de barramentos ressonadores. O Hamiltoniano fornecido foi projetado no subespaço de excitação zero dos barramentos do ressonador, levando a uma interação efetiva de flip-flop qubit-qubit. As frequências de ressonância do qubit no hamiltoniano são as frequências vestidas da cavidade e não exatamente o que é retornado pelos padrões de backend, que também incluem a vestimenta devido às interações qubit-qubit.\n\nAs quantidades são retornadas em frequências angulares, com unidades de *2piHz*.\n\nAVISO: atualmente, nem todas as informações do sistema Hamiltoniano estão disponíveis ao público; os valores ausentes foram substituídos por 0.",
"h_latex": "\\begin{align} \\mathcal{H}/\\hbar = & \\sum_{i=0}^{4}\\left(\\frac{\\omega_{q,i}}{2}(\\mathbb{I}-\\sigma_i^{z})+\\frac{\\Delta_{i}}{2}(O_i^2-O_i)+\\Omega_{d,i}D_i(t)\\sigma_i^{X}\\right) \\\\ & + J_{0,1}(\\sigma_{0}^{+}\\sigma_{1}^{-}+\\sigma_{0}^{-}\\sigma_{1}^{+}) + J_{1,2}(\\sigma_{1}^{+}\\sigma_{2}^{-}+\\sigma_{1}^{-}\\sigma_{2}^{+}) + J_{2,3}(\\sigma_{2}^{+}\\sigma_{3}^{-}+\\sigma_{2}^{-}\\sigma_{3}^{+}) + J_{3,4}(\\sigma_{3}^{+}\\sigma_{4}^{-}+\\sigma_{3}^{-}\\sigma_{4}^{+}) \\\\ & + \\Omega_{d,0}(U_{0}^{(0,1)}(t))\\sigma_{0}^{X} + \\Omega_{d,1}(U_{1}^{(1,0)}(t)+U_{2}^{(1,2)}(t))\\sigma_{1}^{X} \\\\ & + \\Omega_{d,2}(U_{3}^{(2,1)}(t)+U_{4}^{(2,3)}(t))\\sigma_{2}^{X} + \\Omega_{d,3}(U_{6}^{(3,4)}(t)+U_{5}^{(3,2)}(t))\\sigma_{3}^{X} \\\\ & + \\Omega_{d,4}(U_{7}^{(4,3)}(t))\\sigma_{4}^{X} \\\\ \\end{align}",
"h_str": [
"_SUM[i,0,4,wq{i}/2*(I{i}-Z{i})]",
"_SUM[i,0,4,delta{i}/2*O{i}*O{i}]",
"_SUM[i,0,4,-delta{i}/2*O{i}]",
"_SUM[i,0,4,omegad{i}*X{i}||D{i}]",
"jq0q1*Sp0*Sm1",
"jq0q1*Sm0*Sp1",
"jq1q2*Sp1*Sm2",
"jq1q2*Sm1*Sp2",
"jq2q3*Sp2*Sm3",
"jq2q3*Sm2*Sp3",
"jq3q4*Sp3*Sm4",
"jq3q4*Sm3*Sp4",
"omegad1*X0||U0",
"omegad0*X1||U1",
"omegad2*X1||U2",
"omegad1*X2||U3",
"omegad3*X2||U4",
"omegad4*X3||U6",
"omegad2*X3||U5",
"omegad3*X4||U7"
],
"osc": {},
"qub": {
"0": 3,
"1": 3,
"2": 3,
"3": 3,
"4": 3
},
"vars": {
"delta0": -2.121376713496892,
"delta1": -2.0572320855686512,
"delta2": -2.1219857492779215,
"delta3": -2.091175183242651,
"delta4": -2.1322677360148967,
"jq0q1": 0.008401931549453526,
"jq1q2": 0.00827615700717255,
"jq2q3": 0.01043348816290951,
"jq3q4": 0.009434356217567021,
"omegad0": 1.1180899684563905,
"omegad1": 1.5965937469694844,
"omegad2": 0.9313930823895185,
"omegad3": 1.02359978967771,
"omegad4": 0.9199181427404678,
"wq0": 31.219269899115847,
"wq1": 29.97144547517013,
"wq2": 31.511197534723212,
"wq3": 33.04500189654535,
"wq4": 31.400533734888114
}
},
"local": false,
"max_experiments": 900,
"max_shots": 8192,
"meas_kernels": [
"hw_qmfk"
],
"meas_levels": [
1,
2
],
"meas_lo_range": [
[
6.923525326,
7.923525326
],
[
6.667956078,
7.667956078
],
[
6.816091357,
7.816091357
],
[
6.884056996,
7.884056996
],
[
6.747308081,
7.747308081
]
],
"meas_map": [
[
0,
1,
2,
3,
4
]
],
"measure_esp_enabled": false,
"memory": true,
"multi_meas_enabled": true,
"n_qubits": 5,
"n_registers": 1,
"n_uchannels": 8,
"online_date": "2020-03-23T04:00:00Z",
"open_pulse": true,
"parametric_pulses": [
"gaussian",
"gaussian_square",
"drag",
"constant"
],
"processor_type": {
"family": "Falcon",
"revision": 4,
"segment": "L"
},
"quantum_volume": 32,
"qubit_channel_mapping": [
[
"u0",
"d0",
"u1",
"m0"
],
[
"u1",
"m1",
"u0",
"u3",
"u2",
"d1"
],
[
"u5",
"u3",
"u2",
"m2",
"d2",
"u4"
],
[
"u5",
"u7",
"m3",
"u4",
"u6",
"d3"
],
[
"m4",
"u7",
"u6",
"d4"
]
],
"qubit_lo_range": [
[
4.468701124164304,
5.468701124164304
],
[
4.270103698982546,
5.270103698982546
],
[
4.5151628503963455,
5.5151628503963455
],
[
4.759275396316249,
5.759275396316249
],
[
4.497550159631257,
5.497550159631257
]
],
"real_qubits": false,
"rep_delay_range": [
0,
500
],
"rep_times": [
1000
],
"sample_name": "family: Falcon, revision: 4, segment: L",
"simulator": false,
"supported_instructions": [
"measure",
"u1",
"reset",
"rz",
"u3",
"x",
"acquire",
"u2",
"id",
"play",
"sx",
"shiftf",
"setf",
"delay",
"cx"
],
"u_channel_lo": [
[
{
"q": 1,
"scale": [
1,
0
]
}
],
[
{
"q": 0,
"scale": [
1,
0
]
}
],
[
{
"q": 2,
"scale": [
1,
0
]
}
],
[
{
"q": 1,
"scale": [
1,
0
]
}
],
[
{
"q": 3,
"scale": [
1,
0
]
}
],
[
{
"q": 2,
"scale": [
1,
0
]
}
],
[
{
"q": 4,
"scale": [
1,
0
]
}
],
[
{
"q": 3,
"scale": [
1,
0
]
}
]
],
"uchannels_enabled": true,
"url": "None"
}{
"title": "BackendsConfigurationResponse",
"type": "object",
"description": "Resposta de configuração de back-ends",
"required": [
"backend_name",
"backend_version",
"basis_gates",
"conditional",
"coords",
"coupling_map",
"gates",
"local",
"memory",
"n_qubits",
"online_date",
"u_channel_lo"
],
"properties": {
"acquisition_latency": {
"description": "Matriz de dimensão n\\_qubits x n\\_registros. Latência (em unidades de dt) para gravar um resultado de medição do qubit n no slot de registro m.",
"minItems": 1,
"maxItems": 2147483647,
"items": {
"type": "array"
},
"example": [
[
0,
1
],
[
1,
0
]
],
"type": "array"
},
"backend_name": {
"type": "string",
"description": "Nome do backend",
"pattern": "^[a-zA-Z0-9_]*$",
"minLength": 1,
"maxLength": 64,
"example": "ibmq_eagle"
},
"backend_version": {
"type": "string",
"description": "Versão de back-end no formulário X.X.X",
"pattern": "^[0-9]+\\.[0-9]+\\.[0-9]+$",
"minLength": 5,
"maxLength": 16,
"example": "1.6.0"
},
"basis_gates": {
"description": "Lista de nomes de portas de base no backend",
"minItems": 1,
"maxItems": 64,
"example": [
"u1",
"cx",
"h"
],
"items": {
"type": "string"
},
"type": "array"
},
"clops": {
"description": "Operações por segundo na camada de circuito (CLOPS). Uma medida de quantas camadas de um circuito 100x100 compatível com hardware uma QPU pode executar por segundo.",
"allOf": [
{
"type": "object",
"properties": {
"type": {
"type": "string",
"example": "virtual",
"enum": [
"virtual",
"hardware"
]
},
"value": {
"oneOf": [
{
"type": "integer",
"format": "int32",
"minimum": 0,
"maximum": 2147483647
},
{
"type": "string",
"pattern": "^.*$"
}
],
"example": 100
}
},
"required": [
"type",
"value"
]
}
]
},
"clops_h": {
"description": "Operações por segundo da camada de circuito de hardware (CLOPS\\_h). Mede quantas camadas de circuito a QPU pode executar por segundo no hardware.",
"oneOf": [
{
"type": "integer",
"format": "int32",
"minimum": 0,
"maximum": 2147483647
},
{
"type": "string",
"pattern": "^.*$"
}
],
"example": 4500
},
"clops_v": {
"description": "CLOPS virtual — pode ser um valor numérico ou uma sequência descritiva, se não estiver disponível.",
"oneOf": [
{
"type": "integer",
"format": "int32",
"minimum": 0,
"maximum": 2147483647
},
{
"type": "string",
"pattern": "^.*$"
}
],
"example": "None"
},
"mcps": {
"description": "Número máximo de ciclos por segundo (MCPS). Taxa máxima na qual um circuito com um Hadamard e uma única medição pode operar.",
"type": "integer",
"format": "int32",
"minimum": 0,
"maximum": 2147483647,
"example": 4500
},
"conditional": {
"type": "boolean",
"description": "O backend suporta operações condicionais (verdadeiro/falso)",
"default": false,
"example": true
},
"conditional_latency": {
"description": "Matriz de dimensão n\\_channels [d->u->m] x n\\_registers. Latência (em unidades de dt) para realizar uma operação condicional no canal n a partir do slot de registro m",
"items": {
"type": "array"
},
"example": [
[
0,
1.2
],
[
0.5,
0.8
]
],
"type": "array"
},
"configurable": {
"type": "boolean",
"description": "O backend é configurável, se o backend for um simulador (true/false)",
"default": false,
"example": true
},
"coupling_map": {
"type": "array",
"description": "Matriz que agrupa qubits fisicamente acoplados no backend",
"minItems": 1,
"maxItems": 2147483647,
"items": {
"type": "array",
"minItems": 2,
"maxItems": 2147483647,
"items": {
"type": "integer",
"format": "int32",
"minimum": 0,
"maximum": 2147483647
}
},
"example": [
[
0,
1
],
[
1,
2
]
]
},
"coords": {
"type": "array",
"description": "Matriz de coordenadas de grade [i, j] para a posição de cada qubit na topologia da QPU. O índice corresponde ao índice do qubit. Exemplo: [ [1,1], [1,2], [2,1], [2,2] ] coloca Q0 na linha 1, coluna 1; Q1 na linha 1, coluna 2; Q2 na linha 2, coluna 1; e Q3 na linha 2, coluna 2.",
"minItems": 1,
"maxItems": 2147483647,
"items": {
"type": "array",
"minItems": 2,
"maxItems": 2,
"items": {
"type": "integer",
"format": "int32",
"minimum": 0,
"maximum": 2147483647
}
},
"example": [
[
1,
1
],
[
1,
2
],
[
2,
1
],
[
2,
2
]
]
},
"credits_required": {
"type": "boolean",
"description": "O backend requer créditos para executar um trabalho (verdadeiro/falso)",
"default": false,
"example": true
},
"description": {
"type": "string",
"description": "Descrição do backend",
"pattern": "^.*$",
"minLength": 1,
"maxLength": 64,
"example": "This backend supports 5 qubits and OpenPulse."
},
"display_name": {
"type": "string",
"description": "Campo de nome alternativo para o backend",
"pattern": "^[a-zA-Z0-9]*$",
"minLength": 1,
"maxLength": 64,
"example": "EagleBackend"
},
"discriminators": {
"description": "Discriminadores disponíveis",
"minItems": 1,
"maxItems": 64,
"example": [
"disc1",
"disc2"
],
"type": "array",
"items": {
"type": "string",
"maxLength": 64,
"minLength": 1,
"pattern": "^[a-zA-Z0-9]*$"
}
},
"dt": {
"type": "integer",
"format": "int32",
"description": "Discretização de tempo para os canais de acionamento e U",
"minimum": 0,
"maximum": 2147483647,
"example": 1
},
"dtm": {
"type": "integer",
"format": "int32",
"description": "Discretização de tempo para os canais de medição",
"minimum": 0,
"maximum": 2147483647,
"example": 1
},
"default_rep_delay": {
"type": "integer",
"format": "int32",
"description": "Atraso padrão do representante.",
"minimum": 0,
"maximum": 2147483647,
"example": 3
},
"dynamic_reprate_enabled": {
"type": "boolean",
"description": "Se o atraso entre programas pode ser definido dinamicamente usando 'rep\\_delay'.",
"default": false,
"example": true
},
"gates": {
"description": "Lista de portões de base no backend",
"minItems": 1,
"maxItems": 64,
"type": "array",
"items": {
"type": "object",
"description": "A definição de um portão",
"required": [
"name",
"parameters",
"qasm_def"
],
"properties": {
"name": {
"type": "string",
"description": "O nome do portão como será referido no QASM",
"minLength": 1,
"maxLength": 64,
"pattern": "^[a-zA-Z0-9]*$"
},
"parameters": {
"type": "array",
"description": "Nomes de variáveis para os parâmetros de porta (se houver)",
"minItems": 0,
"maxItems": 1024,
"items": {
"type": "string",
"minLength": 1,
"maxLength": 64,
"pattern": "^[a-zA-Z0-9]*$"
}
},
"coupling_map": {
"type": "array",
"minItems": 1,
"maxItems": 2147483647,
"items": {
"type": "array",
"minItems": 1,
"maxItems": 2147483647,
"items": {
"type": "integer",
"format": "int32",
"minimum": 0,
"maximum": 2147483647
}
},
"description": "Lista de agrupamentos de qubit que são acoplados por essa porta"
},
"qasm_def": {
"type": "string",
"description": "Definição dessa porta em termos dos primitivos QASM U e CX",
"pattern": "^.*$",
"minLength": 1,
"maxLength": 1024
},
"conditional": {
"type": "boolean",
"description": "Essa porta especificada suporta operações condicionais (verdadeiro/falso). Se isso não for especificado, o gate herdará a propriedade condicional do backend.",
"default": false
},
"latency_map": {
"type": "array",
"minItems": 1,
"maxItems": 2147483647,
"items": {
"type": "array",
"minItems": 1,
"maxItems": 2147483647,
"items": {
"type": "integer",
"format": "int32",
"minimum": 0,
"maximum": 1
}
},
"description": "Uma matriz de dimensão len(coupling\\_map) X n\\_registers que especifica (1 - rápido, 0 - lento) as operações condicionais de latência de registro na porta"
},
"description": {
"type": "string",
"description": "Descrição da operação do portão",
"minLength": 1,
"maxLength": 64,
"pattern": "^[a-zA-Z0-9\\s]*$"
}
}
}
},
"hamiltonian": {
"description": "Hamiltoniano do backend",
"deprecated": true,
"allOf": [
{
"type": "object",
"description": "Hamiltoniano do backend",
"properties": {
"h_latex": {
"type": "string",
"description": "O Hamiltoniano em formato latex",
"minLength": 1,
"maxLength": 4096,
"pattern": "^.*$"
},
"h_str": {
"type": "array",
"description": "O Hamiltoniano em formato legível por máquina",
"minItems": 1,
"maxItems": 2147483647,
"items": {
"type": "string",
"minLength": 1,
"maxLength": 1024,
"pattern": "^.*$"
},
"example": [
"\"0.5 * X0 Y1\"",
"\"1.0 * Z0\""
]
},
"vars": {
"type": "object",
"description": "Variáveis no h\\_str"
},
"osc": {
"type": "object",
"description": "Número de níveis para cada modo de oscilador"
}
},
"required": [
"h_latex"
]
}
]
},
"local": {
"type": "boolean",
"description": "O backend é local ou remoto (verdadeiro/falso)",
"example": true
},
"max_experiments": {
"type": "integer",
"format": "int64",
"description": "Número máximo de experimentos suportados",
"minimum": 1,
"maximum": 9007199254740991,
"example": 10
},
"max_shots": {
"type": "integer",
"format": "int64",
"description": "Número máximo de fotos suportadas",
"minimum": 1,
"maximum": 9007199254740991,
"example": 1024
},
"meas_levels": {
"description": "Níveis de medição disponíveis no backend",
"minItems": 1,
"maxItems": 3,
"items": {
"type": "array"
},
"example": [
1,
2
],
"type": "array"
},
"meas_lo_range": {
"description": "Faixa de frequência para a medição LO",
"minItems": 1,
"maxItems": 2147483647,
"items": {
"type": "array"
},
"type": "array"
},
"meas_map": {
"description": "Agrupamento de medições que são multiplexadas",
"minItems": 1,
"maxItems": 2147483647,
"items": {
"type": "array"
},
"example": [
[
0,
1
],
[
2,
3
]
],
"type": "array"
},
"measure_esp_enabled": {
"type": "boolean",
"description": "Se a leitura de ESP é compatível com o backend.",
"default": false,
"example": true
},
"memory": {
"type": "boolean",
"description": "O backend oferece suporte à memória (verdadeiro/falso)",
"default": false,
"example": true
},
"n_qubits": {
"type": "integer",
"format": "int32",
"description": "Número de qubits",
"minimum": 1,
"maximum": 2147483647,
"default": 1,
"example": 5
},
"n_registers": {
"type": "number",
"description": "Número de slots de registro disponíveis para feedback (se a condicional for verdadeira)",
"minimum": 1,
"maximum": 2147483647,
"default": 1,
"example": 1
},
"n_uchannels": {
"type": "number",
"description": "Número de canais de controle adicionais",
"minimum": 0,
"maximum": 9007199254740991,
"example": 2
},
"online_date": {
"type": "string",
"description": "Data em que o backend ficou on-line",
"format": "date-time",
"minLength": 24,
"maxLength": 24,
"example": "2025-11-12T15:30:00.000Z"
},
"open_pulse": {
"type": "boolean",
"description": "Se presente, aplica-se o esquema open\\_pulse = false",
"example": true
},
"parametric_pulses": {
"description": "Uma lista de formas de pulso paramétrico disponíveis",
"minItems": 0,
"maxItems": 1024,
"items": {
"type": "array"
},
"example": [
"Gaussian",
"Square"
],
"type": "array"
},
"processor_type": {
"description": "O tipo de processador do dispositivo",
"allOf": [
{
"type": "object",
"description": "O tipo de processador desse backend",
"required": [
"family",
"revision"
],
"properties": {
"family": {
"type": "string",
"description": "Família de processadores indica arquitetura de chip quântico",
"minLength": 1,
"maxLength": 64,
"pattern": "^[a-zA-Z0-9]*$"
},
"revision": {
"type": "string",
"description": "O número da revisão reflete as variantes de design em uma determinada família de processadores. Normalmente, é um valor semântico de controle de versão sem o valor do patch, por exemplo, \" 1.0 \".",
"minLength": 1,
"maxLength": 64,
"pattern": "^[0-9]+.[0-9]+$"
},
"segment": {
"type": "string",
"description": "O segmento, se indicado, é usado para distinguir diferentes subconjuntos da malha/chip de qubit",
"minLength": 1,
"maxLength": 64,
"pattern": "^[a-zA-Z0-9]*$"
}
}
}
]
},
"quantum_volume": {
"type": "number",
"description": "Volume quântico de backend",
"minimum": 1,
"maximum": 9007199254740991,
"example": 32
},
"qubit_lo_range": {
"description": "Faixa de frequência para o qubit LO",
"minItems": 1,
"maxItems": 2147483647,
"items": {
"type": "array"
},
"example": [
[
4500000000,
5000000000
],
[
5100000000,
5600000000
]
],
"type": "array"
},
"register_map": {
"description": "Uma matriz de dimensão n_qubits X n_registros indicando capacidade de armazenamento",
"minItems": 1,
"maxItems": 2147483647,
"items": {
"type": "array"
},
"example": [
[
1,
0
],
[
0,
1
]
],
"type": "array"
},
"rep_delay_range": {
"description": "Intervalo de tempos de atraso entre programas (microssegundos) permitido pelo backend.",
"minItems": 2,
"maxItems": 2,
"example": [
100,
1000
],
"type": "array",
"items": {
"type": "number"
}
},
"rep_times": {
"description": "Tempos de execução do programa (microssegundos) suportados pelo backend.",
"minItems": 1,
"maxItems": 64,
"items": {
"type": "number"
},
"example": [
100,
200,
500
],
"type": "array"
},
"sample_name": {
"type": "string",
"description": "Nome da amostra",
"pattern": "^[a-zA-Z0-9,:\\s]*$",
"minLength": 1,
"maxLength": 64,
"example": "Sample_01:Test"
},
"simulator": {
"type": "boolean",
"description": "O backend é um simulador (verdadeiro/falso)",
"default": false,
"example": true
},
"supported_features": {
"description": "Conjunto de recursos suportados pelo backend, tais como: qasm3",
"minItems": 0,
"maxItems": 64,
"example": [
"qasm3"
],
"type": "array",
"items": {
"type": "string"
}
},
"supported_instructions": {
"description": "Instruções suportadas pelo backend.",
"minItems": 0,
"maxItems": 64,
"example": [
"u1",
"cx",
"measure"
],
"type": "array",
"items": {
"type": "string"
}
},
"tags": {
"description": "Tags para o backend",
"uniqueItems": true,
"minItems": 1,
"maxItems": 64,
"example": [
"credits_required",
"simulator"
],
"type": "array",
"items": {
"type": "string"
}
},
"timing_constraints": {
"description": "Restrições de tempo do backend",
"allOf": [
{
"type": "object",
"description": "As restrições de tempo nesse backend",
"properties": {
"granularity": {
"type": "integer",
"format": "int64",
"description": "Tamanho do bloco de dados da memória de forma de onda",
"maximum": 9007199254740991,
"minimum": 0
},
"min_length": {
"type": "integer",
"format": "int64",
"description": "Número mínimo de amostras necessárias para definir um pulso",
"maximum": 9007199254740991,
"minimum": 0
},
"pulse_alignment": {
"type": "integer",
"format": "int64",
"description": "Resolução de tempo de acionamento de instruções do canal de pulso em unidades de dt",
"maximum": 9007199254740991,
"minimum": 0
},
"acquire_alignment": {
"type": "integer",
"format": "int64",
"description": "Instrução que aciona a resolução de tempo do canal de aquisição em unidades de dt",
"maximum": 9007199254740991,
"minimum": 0
}
}
}
]
},
"u_channel_lo": {
"type": "array",
"items": {
"minItems": 1,
"maxItems": 2147483647,
"description": "Relação do LO do canal U em termos de LO qubit",
"type": "array",
"items": {
"type": "object",
"description": "A descrição de um LO de canal U único em termos de LOs de qubit",
"properties": {
"q": {
"type": "integer",
"format": "int32",
"minimum": 1,
"maximum": 2147483647,
"description": "O número do qubit"
},
"scale": {
"type": "object",
"properties": {
"number": {
"minItems": 2,
"maxItems": 2,
"items": {
"type": "array"
},
"type": "array"
}
},
"required": [
"number"
]
}
},
"required": [
"q",
"scale"
]
}
}
}
}
}Obter configurações padrão do backend
Retorna os padrões para o backend especificado. Os back-ends do simulador podem não ser compatíveis com isso.
Autorização
Para chamar esse método, deve-se ter sido designado a uma ou mais funções de acesso do IAM que incluam as ações a seguir. É possível verificar seu acesso indo para Users > User > Access
quantum-computing.device.read
Auditoria
A chamada desse método gera os seguintes eventos de auditoria.
quantum-computing.device.read
Entrada
Nome, Tipo | Descrição |
|---|---|
id Necessário string | Identificador de um backend disponível |
Se sua instância estiver na região eu-de, use este link: URL: https://eu-de.quantum.cloud.ibm.com/api/v1/backends/{id}/defaults
curl -X GET \
'https://quantum.cloud.ibm.com/api/v1/backends/{id}/defaults' \
-H 'Accept: application/json' \
-H 'Authorization: Bearer YOUR-TOKEN' \
-H 'Service-CRN: YOUR-SERVICE-CRN' \
-H 'IBM-API-Version: 2026-04-15' Se sua instância estiver na região eu-de, use este link: URL: https://eu-de.quantum.cloud.ibm.com/api/v1/backends/{id}/defaults
import requests
response = requests.request(
"GET",
"https://quantum.cloud.ibm.com/api/v1/backends/{id}/defaults",
headers={
"Accept": "application/json",
"IBM-API-Version": "2026-04-15",
"Authorization": "Bearer YOUR-TOKEN",
"Service-CRN": "YOUR-SERVICE-CRN"
},
)
print(response.json())Saída
Código de status | Descrição |
|---|---|
| 200 | Ok |
{
"buffer": 0,
"cmd_def": [
{
"name": "cx",
"qubits": [
0,
1
],
"sequence": [
{
"ch": "d0",
"name": "fc",
"phase": 1.5707963267948966,
"t0": 0
},
{
"ch": "d0",
"label": "Ym_d0",
"name": "parametric_pulse",
"parameters": {
"amp": [
-3.1140747235331546e-17,
-0.16952233224585217
],
"beta": -0.5674696838555093,
"duration": 160,
"sigma": 40
},
"pulse_shape": "drag",
"t0": 0
},
{
"ch": "d0",
"label": "Xp_d0",
"name": "parametric_pulse",
"parameters": {
"amp": [
0.16952233224585217,
0
],
"beta": -0.5674696838555093,
"duration": 160,
"sigma": 40
},
"pulse_shape": "drag",
"t0": 720
},
{
"ch": "d1",
"label": "X90p_d1",
"name": "parametric_pulse",
"parameters": {
"amp": [
0.059382748314504706,
0.0024457355228724932
],
"beta": -1.237863708498682,
"duration": 160,
"sigma": 40
},
"pulse_shape": "drag",
"t0": 0
},
{
"ch": "d1",
"label": "CR90p_d1_u0",
"name": "parametric_pulse",
"parameters": {
"amp": [
0.04032804952407305,
0.002308863263836048
],
"duration": 560,
"sigma": 64,
"width": 304
},
"pulse_shape": "gaussian_square",
"t0": 160
},
{
"ch": "d1",
"label": "CR90m_d1_u0",
"name": "parametric_pulse",
"parameters": {
"amp": [
-0.04032804952407305,
-0.0023088632638360433
],
"duration": 560,
"sigma": 64,
"width": 304
},
"pulse_shape": "gaussian_square",
"t0": 880
},
{
"ch": "u0",
"label": "CR90p_u0",
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],
"qubit_freq_est": [
4.968701124164304,
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]
}{
"title": "BackendsDefaultsResponse",
"type": "object",
"description": "Backends Padrões Resposta",
"additionalProperties": true
}Obter propriedades de backend
Retorna as propriedades do backend especificado. Os back-ends do simulador podem não ser compatíveis com isso.
Autorização
Para chamar esse método, deve-se ter sido designado a uma ou mais funções de acesso do IAM que incluam as ações a seguir. É possível verificar seu acesso indo para Users > User > Access
quantum-computing.device.read
Auditoria
A chamada desse método gera os seguintes eventos de auditoria.
quantum-computing.device.read
Entrada
Nome, Tipo | Descrição |
|---|---|
id Necessário string | Identificador de um backend disponível |
Nome, Tipo | Descrição |
|---|---|
updated_before string | Retorna propriedades com a última_update_date antes do tempo determinado. |
calibration_id string | Retorna as propriedades associadas à ID de calibração fornecida. |
Se sua instância estiver na região eu-de, use este link: URL: https://eu-de.quantum.cloud.ibm.com/api/v1/backends/{id}/properties
curl -X GET \
'https://quantum.cloud.ibm.com/api/v1/backends/{id}/properties' \
-H 'Accept: application/json' \
-H 'Authorization: Bearer YOUR-TOKEN' \
-H 'Service-CRN: YOUR-SERVICE-CRN' \
-H 'IBM-API-Version: 2026-04-15' Se sua instância estiver na região eu-de, use este link: URL: https://eu-de.quantum.cloud.ibm.com/api/v1/backends/{id}/properties
import requests
response = requests.request(
"GET",
"https://quantum.cloud.ibm.com/api/v1/backends/{id}/properties",
headers={
"Accept": "application/json",
"IBM-API-Version": "2026-04-15",
"Authorization": "Bearer YOUR-TOKEN",
"Service-CRN": "YOUR-SERVICE-CRN"
},
)
print(response.json())Saída
Código de status | Descrição |
|---|---|
| 200 | Ok |
{
"backend_name": "test_rome",
"backend_version": "1.3.24",
"gates": [
{
"gate": "id",
"name": "id0",
"parameters": [
{
"date": "2021-07-05T06:44:33Z",
"name": "gate_error",
"unit": "",
"value": 0.0002448508047161394
},
{
"date": "2021-07-05T12:18:02Z",
"name": "gate_length",
"unit": "ns",
"value": 35.55555555555556
}
],
"qubits": [
0
]
},
{
"gate": "id",
"name": "id1",
"parameters": [
{
"date": "2021-07-05T06:44:33Z",
"name": "gate_error",
"unit": "",
"value": 0.00027210394592247896
},
{
"date": "2021-07-05T12:18:02Z",
"name": "gate_length",
"unit": "ns",
"value": 35.55555555555556
}
],
"qubits": [
1
]
},
{
"gate": "id",
"name": "id2",
"parameters": [
{
"date": "2021-07-05T06:44:33Z",
"name": "gate_error",
"unit": "",
"value": 0.0003387889648653272
},
{
"date": "2021-07-05T12:18:02Z",
"name": "gate_length",
"unit": "ns",
"value": 35.55555555555556
}
],
"qubits": [
2
]
},
{
"gate": "id",
"name": "id3",
"parameters": [
{
"date": "2021-07-05T06:44:33Z",
"name": "gate_error",
"unit": "",
"value": 0.0002798062785893913
},
{
"date": "2021-07-05T12:18:02Z",
"name": "gate_length",
"unit": "ns",
"value": 35.55555555555556
}
],
"qubits": [
3
]
},
{
"gate": "id",
"name": "id4",
"parameters": [
{
"date": "2021-07-05T06:44:33Z",
"name": "gate_error",
"unit": "",
"value": 0.0007014941280759136
},
{
"date": "2021-07-05T12:18:02Z",
"name": "gate_length",
"unit": "ns",
"value": 35.55555555555556
}
],
"qubits": [
4
]
},
{
"gate": "rz",
"name": "rz0",
"parameters": [
{
"date": "2021-07-05T12:18:02Z",
"name": "gate_error",
"unit": "",
"value": 0
},
{
"date": "2021-07-05T12:18:02Z",
"name": "gate_length",
"unit": "ns",
"value": 0
}
],
"qubits": [
0
]
},
{
"gate": "rz",
"name": "rz1",
"parameters": [
{
"date": "2021-07-05T12:18:02Z",
"name": "gate_error",
"unit": "",
"value": 0
},
{
"date": "2021-07-05T12:18:02Z",
"name": "gate_length",
"unit": "ns",
"value": 0
}
],
"qubits": [
1
]
},
{
"gate": "rz",
"name": "rz2",
"parameters": [
{
"date": "2021-07-05T12:18:02Z",
"name": "gate_error",
"unit": "",
"value": 0
},
{
"date": "2021-07-05T12:18:02Z",
"name": "gate_length",
"unit": "ns",
"value": 0
}
],
"qubits": [
2
]
},
{
"gate": "rz",
"name": "rz3",
"parameters": [
{
"date": "2021-07-05T12:18:02Z",
"name": "gate_error",
"unit": "",
"value": 0
},
{
"date": "2021-07-05T12:18:02Z",
"name": "gate_length",
"unit": "ns",
"value": 0
}
],
"qubits": [
3
]
},
{
"gate": "rz",
"name": "rz4",
"parameters": [
{
"date": "2021-07-05T12:18:02Z",
"name": "gate_error",
"unit": "",
"value": 0
},
{
"date": "2021-07-05T12:18:02Z",
"name": "gate_length",
"unit": "ns",
"value": 0
}
],
"qubits": [
4
]
},
{
"gate": "sx",
"name": "sx0",
"parameters": [
{
"date": "2021-07-05T06:44:33Z",
"name": "gate_error",
"unit": "",
"value": 0.0002448508047161394
},
{
"date": "2021-07-05T12:18:02Z",
"name": "gate_length",
"unit": "ns",
"value": 35.55555555555556
}
],
"qubits": [
0
]
},
{
"gate": "sx",
"name": "sx1",
"parameters": [
{
"date": "2021-07-05T06:44:33Z",
"name": "gate_error",
"unit": "",
"value": 0.00027210394592247896
},
{
"date": "2021-07-05T12:18:02Z",
"name": "gate_length",
"unit": "ns",
"value": 35.55555555555556
}
],
"qubits": [
1
]
},
{
"gate": "sx",
"name": "sx2",
"parameters": [
{
"date": "2021-07-05T06:44:33Z",
"name": "gate_error",
"unit": "",
"value": 0.0003387889648653272
},
{
"date": "2021-07-05T12:18:02Z",
"name": "gate_length",
"unit": "ns",
"value": 35.55555555555556
}
],
"qubits": [
2
]
},
{
"gate": "sx",
"name": "sx3",
"parameters": [
{
"date": "2021-07-05T06:44:33Z",
"name": "gate_error",
"unit": "",
"value": 0.0002798062785893913
},
{
"date": "2021-07-05T12:18:02Z",
"name": "gate_length",
"unit": "ns",
"value": 35.55555555555556
}
],
"qubits": [
3
]
},
{
"gate": "sx",
"name": "sx4",
"parameters": [
{
"date": "2021-07-05T06:44:33Z",
"name": "gate_error",
"unit": "",
"value": 0.0007014941280759136
},
{
"date": "2021-07-05T12:18:02Z",
"name": "gate_length",
"unit": "ns",
"value": 35.55555555555556
}
],
"qubits": [
4
]
},
{
"gate": "x",
"name": "x0",
"parameters": [
{
"date": "2021-07-05T06:44:33Z",
"name": "gate_error",
"unit": "",
"value": 0.0002448508047161394
},
{
"date": "2021-07-05T12:18:02Z",
"name": "gate_length",
"unit": "ns",
"value": 35.55555555555556
}
],
"qubits": [
0
]
},
{
"gate": "x",
"name": "x1",
"parameters": [
{
"date": "2021-07-05T06:44:33Z",
"name": "gate_error",
"unit": "",
"value": 0.00027210394592247896
},
{
"date": "2021-07-05T12:18:02Z",
"name": "gate_length",
"unit": "ns",
"value": 35.55555555555556
}
],
"qubits": [
1
]
},
{
"gate": "x",
"name": "x2",
"parameters": [
{
"date": "2021-07-05T06:44:33Z",
"name": "gate_error",
"unit": "",
"value": 0.0003387889648653272
},
{
"date": "2021-07-05T12:18:02Z",
"name": "gate_length",
"unit": "ns",
"value": 35.55555555555556
}
],
"qubits": [
2
]
},
{
"gate": "x",
"name": "x3",
"parameters": [
{
"date": "2021-07-05T06:44:33Z",
"name": "gate_error",
"unit": "",
"value": 0.0002798062785893913
},
{
"date": "2021-07-05T12:18:02Z",
"name": "gate_length",
"unit": "ns",
"value": 35.55555555555556
}
],
"qubits": [
3
]
},
{
"gate": "x",
"name": "x4",
"parameters": [
{
"date": "2021-07-05T06:44:33Z",
"name": "gate_error",
"unit": "",
"value": 0.0007014941280759136
},
{
"date": "2021-07-05T12:18:02Z",
"name": "gate_length",
"unit": "ns",
"value": 35.55555555555556
}
],
"qubits": [
4
]
},
{
"gate": "cx",
"name": "cx3_4",
"parameters": [
{
"date": "2021-07-05T08:13:43Z",
"name": "gate_error",
"unit": "",
"value": 0.01209269215862896
},
{
"date": "2021-07-02T12:18:02Z",
"name": "gate_length",
"unit": "ns",
"value": 476.4444444444444
}
],
"qubits": [
3,
4
]
},
{
"gate": "cx",
"name": "cx4_3",
"parameters": [
{
"date": "2021-07-05T08:13:43Z",
"name": "gate_error",
"unit": "",
"value": 0.01209269215862896
},
{
"date": "2021-07-02T12:18:02Z",
"name": "gate_length",
"unit": "ns",
"value": 512
}
],
"qubits": [
4,
3
]
},
{
"gate": "cx",
"name": "cx3_2",
"parameters": [
{
"date": "2021-07-05T08:10:30Z",
"name": "gate_error",
"unit": "",
"value": 0.008707373154178105
},
{
"date": "2021-07-02T12:18:02Z",
"name": "gate_length",
"unit": "ns",
"value": 341.3333333333333
}
],
"qubits": [
3,
2
]
},
{
"gate": "cx",
"name": "cx2_3",
"parameters": [
{
"date": "2021-07-05T08:10:30Z",
"name": "gate_error",
"unit": "",
"value": 0.008707373154178105
},
{
"date": "2021-07-02T12:18:02Z",
"name": "gate_length",
"unit": "ns",
"value": 376.88888888888886
}
],
"qubits": [
2,
3
]
},
{
"gate": "cx",
"name": "cx1_2",
"parameters": [
{
"date": "2021-07-05T08:05:34Z",
"name": "gate_error",
"unit": "",
"value": 0.01902233362337591
},
{
"date": "2021-07-02T12:18:02Z",
"name": "gate_length",
"unit": "ns",
"value": 1109.3333333333333
}
],
"qubits": [
1,
2
]
},
{
"gate": "cx",
"name": "cx2_1",
"parameters": [
{
"date": "2021-07-05T08:05:34Z",
"name": "gate_error",
"unit": "",
"value": 0.01902233362337591
},
{
"date": "2021-07-02T12:18:02Z",
"name": "gate_length",
"unit": "ns",
"value": 1144.888888888889
}
],
"qubits": [
2,
1
]
},
{
"gate": "cx",
"name": "cx0_1",
"parameters": [
{
"date": "2021-07-05T07:27:21Z",
"name": "gate_error",
"unit": "",
"value": 0.006104727490691075
},
{
"date": "2021-07-02T12:18:02Z",
"name": "gate_length",
"unit": "ns",
"value": 320
}
],
"qubits": [
0,
1
]
},
{
"gate": "cx",
"name": "cx1_0",
"parameters": [
{
"date": "2021-07-05T07:27:21Z",
"name": "gate_error",
"unit": "",
"value": 0.006104727490691075
},
{
"date": "2021-07-02T12:18:02Z",
"name": "gate_length",
"unit": "ns",
"value": 355.55555555555554
}
],
"qubits": [
1,
0
]
},
{
"gate": "reset",
"name": "reset0",
"parameters": [
{
"date": "2021-07-05T12:18:02Z",
"name": "gate_length",
"unit": "ns",
"value": 3520
}
],
"qubits": [
0
]
},
{
"gate": "reset",
"name": "reset1",
"parameters": [
{
"date": "2021-07-05T12:18:02Z",
"name": "gate_length",
"unit": "ns",
"value": 3520
}
],
"qubits": [
1
]
},
{
"gate": "reset",
"name": "reset2",
"parameters": [
{
"date": "2021-07-05T12:18:02Z",
"name": "gate_length",
"unit": "ns",
"value": 3520
}
],
"qubits": [
2
]
},
{
"gate": "reset",
"name": "reset3",
"parameters": [
{
"date": "2021-07-05T12:18:02Z",
"name": "gate_length",
"unit": "ns",
"value": 3520
}
],
"qubits": [
3
]
},
{
"gate": "reset",
"name": "reset4",
"parameters": [
{
"date": "2021-07-05T12:18:02Z",
"name": "gate_length",
"unit": "ns",
"value": 3520
}
],
"qubits": [
4
]
}
],
"general": [
{
"date": "2021-07-05T12:18:02Z",
"name": "jq_01",
"unit": "GHz",
"value": 0.0013372089376152759
},
{
"date": "2021-07-05T12:18:02Z",
"name": "zz_01",
"unit": "GHz",
"value": -0.00003637728507512319
},
{
"date": "2021-07-05T12:18:02Z",
"name": "jq_12",
"unit": "GHz",
"value": 0.0013171912974961383
},
{
"date": "2021-07-05T12:18:02Z",
"name": "zz_12",
"unit": "GHz",
"value": -0.000052536503588451545
},
{
"date": "2021-07-05T12:18:02Z",
"name": "jq_23",
"unit": "GHz",
"value": 0.0016605412148178267
},
{
"date": "2021-07-05T12:18:02Z",
"name": "zz_23",
"unit": "GHz",
"value": -0.0000819573944865251
},
{
"date": "2021-07-05T12:18:02Z",
"name": "jq_34",
"unit": "GHz",
"value": 0.0015015244269155484
},
{
"date": "2021-07-05T12:18:02Z",
"name": "zz_34",
"unit": "GHz",
"value": -0.00008449922279710206
}
],
"last_update_date": "2021-07-05T12:52:19Z",
"qubits": [
[
{
"date": "2021-07-05T06:41:57Z",
"name": "T1",
"unit": "us",
"value": 97.03598857550222
},
{
"date": "2021-07-05T06:05:06Z",
"name": "T2",
"unit": "us",
"value": 66.65681862753586
},
{
"date": "2021-07-05T12:18:02Z",
"name": "frequency",
"unit": "GHz",
"value": 4.968701124164304
},
{
"date": "2021-07-05T12:18:02Z",
"name": "anharmonicity",
"unit": "GHz",
"value": -0.3376275901130698
},
{
"date": "2021-07-05T05:29:29Z",
"name": "readout_error",
"unit": "",
"value": 0.0232
},
{
"date": "2021-07-05T05:29:29Z",
"name": "prob_meas0_prep1",
"unit": "",
"value": 0.031399999999999983
},
{
"date": "2021-07-05T05:29:29Z",
"name": "prob_meas1_prep0",
"unit": "",
"value": 0.015
},
{
"date": "2021-07-05T05:29:29Z",
"name": "readout_length",
"unit": "ns",
"value": 3022.222222222222
}
],
[
{
"date": "2021-07-05T06:50:29Z",
"name": "T1",
"unit": "us",
"value": 105.20382514288175
},
{
"date": "2021-07-05T06:42:02Z",
"name": "T2",
"unit": "us",
"value": 87.48573724157141
},
{
"date": "2021-07-05T12:18:02Z",
"name": "frequency",
"unit": "GHz",
"value": 4.770103698982546
},
{
"date": "2021-07-05T12:18:02Z",
"name": "anharmonicity",
"unit": "GHz",
"value": -0.32741865550549987
},
{
"date": "2021-07-05T05:29:29Z",
"name": "readout_error",
"unit": "",
"value": 0.03620000000000001
},
{
"date": "2021-07-05T05:29:29Z",
"name": "prob_meas0_prep1",
"unit": "",
"value": 0.040000000000000036
},
{
"date": "2021-07-05T05:29:29Z",
"name": "prob_meas1_prep0",
"unit": "",
"value": 0.0324
},
{
"date": "2021-07-05T05:29:29Z",
"name": "readout_length",
"unit": "ns",
"value": 3022.222222222222
}
],
[
{
"date": "2021-07-05T06:41:57Z",
"name": "T1",
"unit": "us",
"value": 64.82252288673146
},
{
"date": "2021-07-05T06:05:06Z",
"name": "T2",
"unit": "us",
"value": 72.52724000942999
},
{
"date": "2021-07-05T12:18:02Z",
"name": "frequency",
"unit": "GHz",
"value": 5.0151628503963455
},
{
"date": "2021-07-05T12:18:02Z",
"name": "anharmonicity",
"unit": "GHz",
"value": -0.3377245211681405
},
{
"date": "2021-07-05T05:29:29Z",
"name": "readout_error",
"unit": "",
"value": 0.027200000000000002
},
{
"date": "2021-07-05T05:29:29Z",
"name": "prob_meas0_prep1",
"unit": "",
"value": 0.03620000000000001
},
{
"date": "2021-07-05T05:29:29Z",
"name": "prob_meas1_prep0",
"unit": "",
"value": 0.0182
},
{
"date": "2021-07-05T05:29:29Z",
"name": "readout_length",
"unit": "ns",
"value": 3022.222222222222
}
],
[
{
"date": "2021-07-05T06:50:29Z",
"name": "T1",
"unit": "us",
"value": 104.84874439033118
},
{
"date": "2021-07-05T06:42:02Z",
"name": "T2",
"unit": "us",
"value": 129.73557126090668
},
{
"date": "2021-07-05T12:18:02Z",
"name": "frequency",
"unit": "GHz",
"value": 5.259275396316249
},
{
"date": "2021-07-05T12:18:02Z",
"name": "anharmonicity",
"unit": "GHz",
"value": -0.332820867284168
},
{
"date": "2021-07-05T05:29:29Z",
"name": "readout_error",
"unit": "",
"value": 0.01970000000000005
},
{
"date": "2021-07-05T05:29:29Z",
"name": "prob_meas0_prep1",
"unit": "",
"value": 0.02980000000000005
},
{
"date": "2021-07-05T05:29:29Z",
"name": "prob_meas1_prep0",
"unit": "",
"value": 0.0096
},
{
"date": "2021-07-05T05:29:29Z",
"name": "readout_length",
"unit": "ns",
"value": 3022.222222222222
}
],
[
{
"date": "2021-07-05T06:41:57Z",
"name": "T1",
"unit": "us",
"value": 64.22956352722753
},
{
"date": "2021-07-05T06:05:06Z",
"name": "T2",
"unit": "us",
"value": 69.23261463653839
},
{
"date": "2021-07-05T12:18:02Z",
"name": "frequency",
"unit": "GHz",
"value": 4.997550159631257
},
{
"date": "2021-07-05T12:18:02Z",
"name": "anharmonicity",
"unit": "GHz",
"value": -0.33936095018213536
},
{
"date": "2021-07-05T05:29:29Z",
"name": "readout_error",
"unit": "",
"value": 0.023600000000000065
},
{
"date": "2021-07-05T05:29:29Z",
"name": "prob_meas0_prep1",
"unit": "",
"value": 0.03180000000000005
},
{
"date": "2021-07-05T05:29:29Z",
"name": "prob_meas1_prep0",
"unit": "",
"value": 0.0154
},
{
"date": "2021-07-05T05:29:29Z",
"name": "readout_length",
"unit": "ns",
"value": 3022.222222222222
}
]
]
}{
"type": "object",
"properties": {
"backend_name": {
"type": "string",
"description": "Nome do backend",
"pattern": "^[a-zA-Z0-9_]*$",
"minLength": 1,
"maxLength": 64
},
"backend_version": {
"type": "string",
"description": "Versão de back-end no formulário X.X.X",
"pattern": "^[0-9]+.[0-9]+.[0-9]+$",
"minLength": 5,
"maxLength": 16
},
"gates": {
"description": "Parâmetros da porta do sistema",
"minItems": 0,
"maxItems": 2147483647,
"type": "array",
"items": {
"type": "object",
"properties": {
"gate": {
"type": "string",
"description": "O nome da porta para esses parâmetros",
"minLength": 1,
"maxLength": 64,
"pattern": "^[a-zA-Z0-9_]*$"
},
"parameters": {
"description": "Os parâmetros dessa porta nesses qubits",
"minItems": 1,
"maxItems": 2147483647,
"type": "array",
"items": {
"type": "object",
"properties": {
"date": {
"format": "date-time",
"type": "string",
"description": "Data do parâmetro",
"minLength": 24,
"maxLength": 24
},
"name": {
"type": "string",
"description": "Nome do parâmetro",
"minLength": 1,
"maxLength": 64
},
"unit": {
"type": "string",
"description": "Unidade do parâmetro",
"minLength": 0,
"maxLength": 64
},
"value": {
"type": "number",
"description": "Valor do parâmetro"
}
},
"required": [
"date",
"name",
"unit",
"value"
]
}
},
"qubits": {
"description": "Os qubits para esses parâmetros",
"minItems": 1,
"maxItems": 2147483647,
"type": "array",
"items": {
"type": "string"
}
}
},
"required": [
"gate",
"parameters",
"qubits"
]
}
},
"general": {
"description": "Parâmetros gerais do sistema",
"minItems": 0,
"maxItems": 2147483647,
"type": "array",
"items": {
"type": "string"
}
},
"last_update_date": {
"format": "date-time",
"type": "string",
"description": "Última data/hora em que uma propriedade foi atualizada.",
"minLength": 20,
"maxLength": 20
},
"qubits": {
"type": "array",
"items": {
"description": "Parâmetros do qubit do sistema",
"minItems": 1,
"maxItems": 2147483647,
"type": "array",
"items": {
"type": "object",
"properties": {
"date": {
"format": "date-time",
"type": "string",
"description": "Data do parâmetro",
"minLength": 24,
"maxLength": 24
},
"name": {
"type": "string",
"description": "Nome do parâmetro",
"minLength": 1,
"maxLength": 64
},
"unit": {
"type": "string",
"description": "Unidade do parâmetro",
"minLength": 0,
"maxLength": 64
},
"value": {
"type": "number",
"description": "Valor do parâmetro"
}
},
"required": [
"date",
"name",
"unit",
"value"
]
}
}
}
},
"required": [
"backend_name",
"backend_version",
"gates",
"general",
"last_update_date",
"qubits"
]
}Obter status do backend
Retorna o status do ID de backend especificado.
Autorização
Para chamar esse método, deve-se ter sido designado a uma ou mais funções de acesso do IAM que incluam as ações a seguir. É possível verificar seu acesso indo para Users > User > Access
quantum-computing.device.read
Auditoria
A chamada desse método gera os seguintes eventos de auditoria.
quantum-computing.device.read
Entrada
Nome, Tipo | Descrição |
|---|---|
id Necessário string | Identificador de um backend disponível |
Se sua instância estiver na região eu-de, use este link: URL: https://eu-de.quantum.cloud.ibm.com/api/v1/backends/{id}/status
curl -X GET \
'https://quantum.cloud.ibm.com/api/v1/backends/{id}/status' \
-H 'Accept: application/json' \
-H 'Authorization: Bearer YOUR-TOKEN' \
-H 'Service-CRN: YOUR-SERVICE-CRN' \
-H 'IBM-API-Version: 2026-04-15' Se sua instância estiver na região eu-de, use este link: URL: https://eu-de.quantum.cloud.ibm.com/api/v1/backends/{id}/status
import requests
response = requests.request(
"GET",
"https://quantum.cloud.ibm.com/api/v1/backends/{id}/status",
headers={
"Accept": "application/json",
"IBM-API-Version": "2026-04-15",
"Authorization": "Bearer YOUR-TOKEN",
"Service-CRN": "YOUR-SERVICE-CRN"
},
)
print(response.json())Saída
Código de status | Descrição |
|---|---|
| 200 | Ok |
{
"state": true,
"status": "active",
"message": "available",
"length_queue": 14,
"backend_version": "1.3.24"
}{
"title": "BackendStatusResponse",
"type": "object",
"description": "Resposta de status dos backends",
"additionalProperties": false,
"required": [
"length_queue"
],
"properties": {
"state": {
"type": "boolean",
"description": "Estado do backend"
},
"status": {
"type": "string",
"description": "Status do backend"
},
"message": {
"type": "string",
"description": "Descrição do estado do backend"
},
"length_queue": {
"type": "integer",
"format": "int32",
"minimum": 0,
"maximum": 2147483647,
"description": "Comprimento da fila para o backend"
},
"backend_version": {
"type": "string",
"description": "Versão de back-end"
}
}
}