---
title: "Update a role mapping"
method: PUT
path: "/admin/roleMappings/{principalId}"
tags: ["Admin"]
---

# Update a role mapping

`PUT /admin/roleMappings/{principalId}`

Updates a single role mapping for one user/principal.

This operation can fail for the following reasons:

* No role mapping for the principalId exists (HTTP error `404`)
* A server error occurred (HTTP error `500`)

## Request body

- UpdateRole
  - `role` 'READ_ONLY' | 'DEVELOPER' | 'ADMIN', required

## Response `204`

Response when the update is successful.

## Other responses

- `401` — Common response for all operations that can return a `401` error indicating authentication is required.
- `403` — Common response for all operations that can return a `403` error indicating the user is authenticated but not authorized.
- `404` — Common response for all operations that can return a `404` error.
- `500` — Common response for all operations that can fail with an unexpected server error.

---

[API](https://skmtc.net/apicurio/apis/apicurio-registry-api-v2.md) · [All operations](https://skmtc.net/apicurio/apis/apicurio-registry-api-v2/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/apicurio/apicurio-registry-api-v2/versions/f177177d6a5a/schema)