---
title: "Updates a participant using patch semantics."
method: PATCH
path: "/participant/{participantId}"
tags: ["Participant"]
---

# Updates a participant using patch semantics.

`PATCH /participant/{participantId}`

## Path parameters

- `participantId` string, required

## Request body

- UpdateParticipantEndpointInput
  - `name` string — The new name of the participant.
  - `family` string, nullable — The family the underlying model belongs to (e.g. "Flux", "GPT"). Pass null to clear.
  - `lab` string, nullable — The lab that makes the model (e.g. "OpenAI", "Black Forest Labs"). Pass null to clear.
  - `proprietaryName` string, nullable — The vendor-facing display name of the model. Pass null to clear.
  - `licenseType` 'OpenSource' | 'Proprietary' | 'null', nullable — The license classification of the underlying model. Pass null to clear.
  - `logo` object, nullable — An image asset for the model's logo. Pass null to clear.
    - `name` string, required
    - `metadata` object, nullable
    - `identifier` string, nullable
  - `faucet` IFaucetInput — Configures a faucet that generates samples via the Replicate API.
    - `_t` 'Replicate', required
    - `modelOwner` string, required — The owner of the hosted model (e.g. "stability-ai").
    - `modelName` string, required — The model name (e.g. "sdxl").
    - `modelVersion` string, nullable — Optional pinned model version hash.
    - `additionalInputs` object — Extra model inputs keyed by parameter name (e.g. "aspect_ratio"). The system-managed keys (prompt, num_outputs) must not appear here — they are supplied automatically. Values are validated against the model's live input schema when the faucet is set.

## Response `204`

No Content

## Other responses

- `400` — Bad Request
- `401` — Unauthenticated
- `403` — Forbidden

---

[API](https://skmtc.net/rapidata/apis/rapidata-api.md) · [All operations](https://skmtc.net/rapidata/apis/rapidata-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/rapidata/rapidata-api/versions/e42ec51c7b88/schema)