curl -X PATCH 'https://api.github.com/orgs/example-org/properties/schema' \
  -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 '{
  "properties": [
    {
      "property_name": "example-property-name",
      "url": "https://example.com",
      "source_type": "organization",
      "value_type": "single_select",
      "required": true,
      "default_value": "example-default-value",
      "description": "example-description",
      "allowed_values": [
        "example-allowed-values"
      ],
      "values_editable_by": "org_actors",
      "require_explicit_values": true
    }
  ]
}'

# PATCH /orgs/{org}/properties/schema (GitHub API)
Base URL: https://api.github.com
Auth: Authorization; GitHub token; required.
Request formats: application/json.
Last verified: 2026-10-20

> Create or update custom properties for an organization

## 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 PATCH 'https://api.github.com/orgs/example-org/properties/schema' \
  -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 '{
  "properties": [
    {
      "property_name": "example-property-name",
      "url": "https://example.com",
      "source_type": "organization",
      "value_type": "single_select",
      "required": true,
      "default_value": "example-default-value",
      "description": "example-description",
      "allowed_values": [
        "example-allowed-values"
      ],
      "values_editable_by": "org_actors",
      "require_explicit_values": true
    }
  ]
}'

## Parameters
| Name | In | Type | Required | Description |
| :--- | :--- | :--- | :--- | :--- |
| org | path | string | Yes | The organization name. The name is not case sensitive. |
| properties | body | object[] | Yes | The array of custom properties to create or update. |

## Response example
[{"property_name":"string","url":"https://example.com"}]

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

PATCH

PATCH /orgs/{org}/properties/schema — GitHub API

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

GitHub API

Create or update custom properties for an organization

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
→ 242 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 PATCH 'https://api.github.com/orgs/example-org/properties/schema' \  -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 '{  "properties": [    {      "property_name": "example-property-name",      "url": "https://example.com",      "source_type": "organization",      "value_type": "single_select",      "required": true,      "default_value": "example-default-value",      "description": "example-description",      "allowed_values": [        "example-allowed-values"      ],      "values_editable_by": "org_actors",      "require_explicit_values": true    }  ]}'

Parameters

Name	In	Type	Required	Description
org	path	string	Yes	The organization name. The name is not case sensitive.
properties	body	object[]	Yes	The array of custom properties to create or update.

Response 200 OK

[
  {
    "property_name": "string",
    "url": "https://example.com",
    "source_type": "organization",
    "value_type": "single_select",
    "required": true,
    "default_value": "string",
    "description": "string",
    "allowed_values": [
      "string"
    ],
    "values_editable_by": "org_actors",
    "require_explicit_values": true
  }
]

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