---
title: "Changes to Updates a participant using patch semantics."
method: PATCH
path: "/participant/{participantId}"
---

# Changes to Updates a participant using patch semantics.

`PATCH /participant/{participantId}`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 4 of 24 revisions.

- **2026-10-19** `c72c9f1c8ef5`: 2 breaking
- **2026-10-14** `ee9d3d550b23`: 1 info
- **2026-09-15** `ebc7fbc31114`: 2 info
- **2026-09-04** `9da534659e5f`: 3 info

## Changes

- **2026-10-19** `c72c9f1c8ef5`: 2 breaking
  - removed the enum value `undefined` of the request property `costUnit/oneOf[#/components/schemas/CostUnit]/`
  - removed the enum value `undefined` of the request property `licenseType/oneOf[#/components/schemas/ModelLicenseType]/`
- **2026-10-14** `ee9d3d550b23`: 1 info
  - added the new `UsdPerSample` enum value to the request property `costUnit/oneOf[#/components/schemas/CostUnit]/`
- **2026-09-15** `ebc7fbc31114`: 2 info
  - added the new optional request property `faucet/allOf[#/components/schemas/IFaucetInput]/oneOf[#/components/schemas/IFaucetInputReplicateFaucetInput]/inputs`
  - added the new optional request property `votesExcluded`
- **2026-09-04** `9da534659e5f`: 3 info
  - the security scope `api` was added to the endpoint's security scheme `OpenIdConnect`
  - added the new optional request property `cost`
  - added the new optional request property `costUnit`

---

[Operation](https://skmtc.dev/rapidata/apis/rapidata-api/docs/participant/:participantId/patch.md) - [API](https://skmtc.dev/rapidata/apis/rapidata-api.md) - [Page](https://skmtc.dev/rapidata/apis/rapidata-api/changes/participant/:participantId/patch)