List flag versions | Vercel REST API

APIs & SDKs

List flag versions

GEThttps://api.vercel.com/v1/projects/{projectIdOrName}/feature-flags/flags/{flagIdOrSlug}/versions

Lists flag versions for a given flag.

https://api.vercel.com/v1/projects/{projectIdOrName}/feature-flags/flags/{flagIdOrSlug}/versions

const response = await fetch('https://api.vercel.com/v1/projects/projectIdOrName/feature-flags/flags/flagIdOrSlug/versions?limit=123&cursor=string&environment=string&withMetadata=true&teamId=string&slug=string', {
  method: 'GET',
  headers: {
    'Authorization': 'Bearer YOUR_ACCESS_TOKEN',
    'Content-Type': 'application/json',
  },
});

const data = await response.json();
console.log(data);

Response

{
  "pagination": "value",
  "versions": [
    {
      "changedEnvironments": [],
      "createdAt": "123",
      "createdBy": "string",
      "flagId": "example_id",
      "id": "icfg_1234567890",
      "message": "string",
      "revision": "123",
      "data": {
        "description": "string",
        "environments": "value",
        "maintainerIds": [],
        "permanent": "false",
        "seed": "123",
        "state": "active",
        "tags": [],
        "variants": [
          {
            "description": "string",
            "id": "icfg_1234567890",
            "label": "string",
            "value": "string"
          }
        ]
      },
      "metadata": {
        "creator": {
          "id": "icfg_1234567890",
          "name": "Example Name"
        }
      }
    }
  ]
}

Authentication

AuthorizationbearerToken

Default authentication mechanism

Path parameters

projectIdOrNamestringRequired

flagIdOrSlugstringRequired

Query parameters

limitnumberOptional

cursorstringOptional

Pagination cursor

environmentstringOptional

Environment to filter by

withMetadatabooleanOptional

Whether to include metadata

teamIdstringOptional

The Team identifier to perform the request on behalf of.

slugstringOptional

The Team slug to perform the request on behalf of.

Response

200Success

paginationobjectRequired

versionsarrayRequired

Errors

400One of the provided values in the request query is invalid.

401The request is not authorized.

402The account is missing a payment so payment method must be updated

403You do not have permission to access this resource.

404Error

410Error

Cross-link map: List flag versions (/docs/rest-api/feature-flags/list-flag-versions)

From the Vercel docs graph (built 2026-10-12T05:34:10.371Z), spanning vercel.com docs + KB, nextjs.org, ai-sdk.dev, and other Vercel documentation sites. Full graph as JSON: https://vercel.com/docs/graph.json

Semantically closest pages

List flags — GET /v2/projects/{projectIdOrName}/feature-flags/flags — Retrieve feature flags for a project. Returns an opaque cursor
Get a flag — GET /v1/projects/{projectIdOrName}/feature-flags/flags/{flagIdOrSlug} — Retrieve a specific feature flag by its ID or sl
Create a flag — PUT /v1/projects/{projectIdOrName}/feature-flags/flags — Create a new feature flag for a project. The flag must have a u
Update a flag — PATCH /v1/projects/{projectIdOrName}/feature-flags/flags/{flagIdOrSlug} — Update an existing feature flag. This endpoint
Get project flag settings — GET /v1/projects/{projectIdOrName}/feature-flags/settings — Retrieve feature flag settings for a project.

This page links to (1)

Vercel REST API Reference — Interact programmatically with your Vercel account using the SDK or direct HTTP requests.

Pages that link here (1)

By site: vercel-docs (1)

Vercel REST API Reference — Interact programmatically with your Vercel account using the SDK or direct HTTP requests.

https://api.vercel.com/v1/projects/{projectIdOrName}/feature-flags/flags/{flagIdOrSlug}/versions

const response = await fetch('https://api.vercel.com/v1/projects/projectIdOrName/feature-flags/flags/flagIdOrSlug/versions?limit=123&cursor=string&environment=string&withMetadata=true&teamId=string&slug=string', {
  method: 'GET',
  headers: {
    'Authorization': 'Bearer YOUR_ACCESS_TOKEN',
    'Content-Type': 'application/json',
  },
});

const data = await response.json();
console.log(data);

Response

{
  "pagination": "value",
  "versions": [
    {
      "changedEnvironments": [],
      "createdAt": "123",
      "createdBy": "string",
      "flagId": "example_id",
      "id": "icfg_1234567890",
      "message": "string",
      "revision": "123",
      "data": {
        "description": "string",
        "environments": "value",
        "maintainerIds": [],
        "permanent": "false",
        "seed": "123",
        "state": "active",
        "tags": [],
        "variants": [
          {
            "description": "string",
            "id": "icfg_1234567890",
            "label": "string",
            "value": "string"
          }
        ]
      },
      "metadata": {
        "creator": {
          "id": "icfg_1234567890",
          "name": "Example Name"
        }
      }
    }
  ]
}

OpenAPI Specification