curl -X PUT 'https://api.github.com/repos/example-owner/example-repo/topics' \
  -H "Authorization: Bearer $GITHUB_TOKEN" \
  -H 'Accept: application/vnd.github+json' \
  -H 'X-GitHub-Api-Version: 2026-03-10' \
  -H 'Content-Type: application/json' \
  -d '{
  "names": [
    "example-names"
  ]
}'

# PUT /repos/{owner}/{repo}/topics (GitHub API)
Base URL: https://api.github.com
Auth: Authorization; GitHub token; required.
Request formats: application/json.
Last verified: 2026-10-20

> Replace all repository topics

## Critical Gotchas
* GitHub recommends an `Accept: application/vnd.github+json` header and an explicit `X-GitHub-Api-Version` header.
* Fine-grained tokens only authorize repositories and permissions selected when the token is created.

## cURL
curl -X PUT 'https://api.github.com/repos/example-owner/example-repo/topics' \
  -H "Authorization: Bearer $GITHUB_TOKEN" \
  -H 'Accept: application/vnd.github+json' \
  -H 'X-GitHub-Api-Version: 2026-03-10' \
  -H 'Content-Type: application/json' \
  -d '{
  "names": [
    "example-names"
  ]
}'

## Parameters
| Name | In | Type | Required | Description |
| :--- | :--- | :--- | :--- | :--- |
| owner | path | string | Yes | The account owner of the repository. The name is not case sensitive. |
| repo | path | string | Yes | The name of the repository without the `.git` extension. The name is not case... |
| names | body | string[] | Yes | An array of topics to add to the repository. Pass one or more topics to _repl... |

## Response example
{"names":["string"]}

---
Need an API key? Get one at https://github.com/settings/tokens

PUT

PUT /repos/{owner}/{repo}/topics — GitHub API

GitHub token (required); https://api.github.com

GitHub API

Replace all repository topics

Base URL: https://api.github.com
Auth: Authorization: Bearer <GITHUB_API_KEY>
Last verified: 2026-10-20 · upstream hash matched

Actions Try in browser→

Agents: curl -H "Accept: text/markdown" this URL
→ 251 tokens · Vary: Accept

Critical gotchas

GitHub recommends an Accept: application/vnd.github+json header and an explicit X-GitHub-Api-Version header.

Fine-grained tokens only authorize repositories and permissions selected when the token is created.

cURL

curl -X PUT 'https://api.github.com/repos/example-owner/example-repo/topics' \  -H "Authorization: Bearer $GITHUB_TOKEN" \  -H 'Accept: application/vnd.github+json' \  -H 'X-GitHub-Api-Version: 2026-03-10' \  -H 'Content-Type: application/json' \  -d '{  "names": [    "example-names"  ]}'

Parameters

Name	In	Type	Required	Description
owner	path	string	Yes	The account owner of the repository. The name is not case sensitive.
repo	path	string	Yes	The name of the repository without the `.git` extension. The name is not case sensitive.
names	body	string[]	Yes	An array of topics to add to the repository. Pass one or more topics to _replace_ the set of existing topics. Send an empty array (`[]`) to clear all topics from the repository. Note: Topic `names` will be saved as lowercase.

Response 200 OK

{
  "names": [
    "string"
  ]
}

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