REST API endpoints for custom properties

About custom properties

You can use the REST API to create and manage custom properties for an organization. You can use custom properties to add metadata to repositories in your organization. For more information, see Managing custom properties for repositories in your organization.

Get all custom properties for an organization

Gets all custom properties defined for an organization. Organization members can read these properties.

Fine-grained access tokens for "Get all custom properties for an organization"

This endpoint works with the following fine-grained token types:

The fine-grained token must have the following permission set:

"Custom properties" organization permissions (read)

Parameters for "Get all custom properties for an organization"

Headers
Name, Type, Description
`accept` string Setting to `application/vnd.github+json` is recommended.

Path parameters
Name, Type, Description
`org` string Required The organization name. The name is not case sensitive.

HTTP response status codes for "Get all custom properties for an organization"

Status code	Description
`200`	OK
`403`	Forbidden
`404`	Resource not found

Code samples for "Get all custom properties for an organization"

Request example

get/orgs/{org}/properties/schema

curl -L \
  -H "Accept: application/vnd.github+json" \
  -H "Authorization: Bearer <YOUR-TOKEN>" \
  -H "X-GitHub-Api-Version: 2026-03-10" \
  https://api.github.com/orgs/ORG/properties/schema

Response

Status: 200

[
  {
    "property_name": "environment",
    "url": "https://api.github.com/orgs/github/properties/schema/environment",
    "source_type": "organization",
    "value_type": "single_select",
    "required": true,
    "default_value": "production",
    "description": "Prod or dev environment",
    "allowed_values": [
      "production",
      "development"
    ],
    "values_editable_by": "org_actors",
    "require_explicit_values": true
  },
  {
    "property_name": "service",
    "url": "https://api.github.com/orgs/github/properties/schema/service",
    "source_type": "organization",
    "value_type": "string"
  },
  {
    "property_name": "team",
    "url": "https://api.github.com/orgs/github/properties/schema/team",
    "source_type": "organization",
    "value_type": "string",
    "description": "Team owning the repository"
  }
]

Create or update custom properties for an organization

Creates new or updates existing custom properties defined for an organization in a batch.

If the property already exists, the existing property will be replaced with the new values. Missing optional values will fall back to default values, previous values will be overwritten. E.g. if a property exists with values_editable_by: org_and_repo_actors and it's updated without specifying values_editable_by, it will be updated to default value org_actors.

To use this endpoint, the authenticated user must be one of:

An administrator for the organization.
A user, or a user on a team, with the fine-grained permission of custom_properties_org_definitions_manager in the organization.

Fine-grained access tokens for "Create or update custom properties for an organization"

This endpoint works with the following fine-grained token types:

The fine-grained token must have the following permission set:

"Custom properties" organization permissions (admin)

Parameters for "Create or update custom properties for an organization"

Headers
Name, Type, Description
`accept` string Setting to `application/vnd.github+json` is recommended.

Path parameters
Name, Type, Description
`org` string Required The organization name. The name is not case sensitive.

Name, Type, Description

properties array of objects Required

The array of custom properties to create or update.

Properties of properties

Name, Type, Description
`property_name` string Required The name of the property
`url` string The URL that can be used to fetch, update, or delete info about this property via the API.
`source_type` string The source type of the property Can be one of: `organization`, `enterprise`
`value_type` string Required The type of the value for the property Can be one of: `string`, `single_select`, `multi_select`, `true_false`, `url`
`required` boolean Whether the property is required.
`default_value` null or string or array Default value of the property
`description` string or null Short description of the property
`allowed_values` array of strings or null An ordered list of the allowed values of the property. The property can have up to 200 allowed values.
`values_editable_by` string or null Who can edit the values of the property Can be one of: `org_actors`, `org_and_repo_actors`, `null`
`require_explicit_values` boolean Whether setting properties values is mandatory

HTTP response status codes for "Create or update custom properties for an organization"

Status code	Description
`200`	OK
`403`	Forbidden
`404`	Resource not found

Code samples for "Create or update custom properties for an organization"

Request example

patch/orgs/{org}/properties/schema

curl -L \
  -X PATCH \
  -H "Accept: application/vnd.github+json" \
  -H "Authorization: Bearer <YOUR-TOKEN>" \
  -H "X-GitHub-Api-Version: 2026-03-10" \
  https://api.github.com/orgs/ORG/properties/schema \
  -d '{"properties":[{"property_name":"environment","value_type":"single_select","required":true,"default_value":"production","description":"Prod or dev environment","allowed_values":["production","development"],"values_editable_by":"org_actors"},{"property_name":"service","value_type":"string"},{"property_name":"team","value_type":"string","description":"Team owning the repository"}]}'

Response

Status: 200

[
  {
    "property_name": "environment",
    "url": "https://api.github.com/orgs/github/properties/schema/environment",
    "source_type": "organization",
    "value_type": "single_select",
    "required": true,
    "default_value": "production",
    "description": "Prod or dev environment",
    "allowed_values": [
      "production",
      "development"
    ],
    "values_editable_by": "org_actors",
    "require_explicit_values": true
  },
  {
    "property_name": "service",
    "url": "https://api.github.com/orgs/github/properties/schema/service",
    "source_type": "organization",
    "value_type": "string"
  },
  {
    "property_name": "team",
    "url": "https://api.github.com/orgs/github/properties/schema/team",
    "source_type": "organization",
    "value_type": "string",
    "description": "Team owning the repository"
  }
]

Get a custom property for an organization

Gets a custom property that is defined for an organization. Organization members can read these properties.

Fine-grained access tokens for "Get a custom property for an organization"

This endpoint works with the following fine-grained token types:

The fine-grained token must have the following permission set:

"Custom properties" organization permissions (read)

Parameters for "Get a custom property for an organization"

Headers
Name, Type, Description
`accept` string Setting to `application/vnd.github+json` is recommended.

Path parameters
Name, Type, Description
`org` string Required The organization name. The name is not case sensitive.