---
title: Qiskit mitigation API documentation (latest version)
description: Index of all the modules in the latest version of qiskit-mitigation.
source: https://quantum.cloud.ibm.com/docs/en/api/qiskit-mitigation
---

# `qiskit-mitigation` API reference

- [MitigationTask (`qiskit_mitigation.mitigation_task`)](/docs/api/qiskit-mitigation/mitigation-task)
- [PEC (`qiskit_mitigation.pec`)](/docs/api/qiskit-mitigation/pec)
- [ZNE (`qiskit_mitigation.zne`)](/docs/api/qiskit-mitigation/zne)
- [TREX (`qiskit_mitigation.trex`)](/docs/api/qiskit-mitigation/trex)
- [Noise (`qiskit_mitigation.noise`)](/docs/api/qiskit-mitigation/noise)
- [Utils (`qiskit_mitigation.utils`)](/docs/api/qiskit-mitigation/utils)
- [postselection (`qiskit_mitigation.postselection`)](/docs/api/qiskit-mitigation/postselection)
- [postselection\_passes (`qiskit_mitigation.postselection.passes`)](/docs/api/qiskit-mitigation/postselection-passes)


## Contents

- [API index](/docs/api/qiskit-mitigation)
- [Release notes](/docs/api/qiskit-mitigation/release-notes)
- [qiskit_mitigation.mitigation_task](/docs/api/qiskit-mitigation/mitigation-task)
- [qiskit_mitigation.trex](/docs/api/qiskit-mitigation/trex)
- [qiskit_mitigation.pec](/docs/api/qiskit-mitigation/pec)
- [qiskit_mitigation.noise](/docs/api/qiskit-mitigation/noise)
- [qiskit_mitigation.postselection](/docs/api/qiskit-mitigation/postselection)
- qiskit_mitigation.postselection.passes
  - [Module overview](/docs/api/qiskit-mitigation/postselection-passes)
  - [AddPostCircuitNonMarkovianErrorChecks](/docs/api/qiskit-mitigation/postselection-passes-add-post-circuit-non-markovian-error-checks)
  - [AddPreCircuitNonMarkovianErrorChecks](/docs/api/qiskit-mitigation/postselection-passes-add-pre-circuit-non-markovian-error-checks)
  - [AddSpectatorPostCircuitNonMarkovianErrorChecks](/docs/api/qiskit-mitigation/postselection-passes-add-spectator-post-circuit-non-markovian-error-checks)
  - [AddSpectatorPreCircuitNonMarkovianErrorChecks](/docs/api/qiskit-mitigation/postselection-passes-add-spectator-pre-circuit-non-markovian-error-checks)
  - [XPulseType](/docs/api/qiskit-mitigation/postselection-passes-x-pulse-type)
- [qiskit_mitigation.utils](/docs/api/qiskit-mitigation/utils)
- qiskit_mitigation.zne
  - [Module overview](/docs/api/qiskit-mitigation/zne)
  - [GateFolding](/docs/api/qiskit-mitigation/zne-gate-folding)
  - [PEA](/docs/api/qiskit-mitigation/zne-pea)