Use the REST API to create and manage custom properties for an organization.
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.
Note
Most endpoints use Authorization: Bearer <YOUR-TOKEN> and Accept: application/vnd.github+json headers, plus X-GitHub-Api-Version: 2026-03-10. Curl examples below omit these standard headers for brevity.
GET /orgs/{org}/properties/schema
Gets all custom properties defined for an organization.
Organization members can read these properties.
accept (string)application/vnd.github+json is recommended.org (string) (required)200 - OK
403 - Forbidden
404 - Resource not found
Request:
curl -L \
-X GET \
https://api.github.com/orgs/ORG/properties/schema
Response schema (Status: 200):
Array of Organization Custom Property:
property_name: required, stringurl: string, format: urisource_type: string, enum: organization, enterprisevalue_type: required, string, enum: string, single_select, multi_select, true_false, urlrequired: booleandefault_value: one of:
description: string or nullallowed_values: array of string or nullvalues_editable_by: string or null, enum: org_actors, org_and_repo_actors, nullrequire_explicit_values: booleanPATCH /orgs/{org}/properties/schema
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.
accept (string)application/vnd.github+json is recommended.org (string) (required)properties (array of objects) (required)property_name (string) (required)url (string)source_type (string)organization, enterprisevalue_type (string) (required)string, single_select, multi_select, true_false, urlrequired (boolean)default_value (null or string or array)description (string or null)allowed_values (array of strings or null)values_editable_by (string or null)org_actors, org_and_repo_actors, nullrequire_explicit_values (boolean)200 - OK
403 - Forbidden
404 - Resource not found
Request:
curl -L \
-X PATCH \
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 schema (Status: 200):
Same response schema as Get all custom properties for an organization.
GET /orgs/{org}/properties/schema/{custom_property_name}
Gets a custom property that is defined for an organization.
Organization members can read these properties.
accept (string)application/vnd.github+json is recommended.org (string) (required)
The organization name. The name is not case sensitive.
custom_property_name (string) (required)
The custom property name
200 - OK
403 - Forbidden
404 - Resource not found
Request:
curl -L \
-X GET \
https://api.github.com/orgs/ORG/properties/schema/CUSTOM_PROPERTY_NAME
Response schema (Status: 200):
property_name: required, stringurl: string, format: urisource_type: string, enum: organization, enterprisevalue_type: required, string, enum: string, single_select, multi_select, true_false, urlrequired: booleandefault_value: one of:
description: string or nullallowed_values: array of string or nullvalues_editable_by: string or null, enum: org_actors, org_and_repo_actors, nullrequire_explicit_values: booleanPUT /orgs/{org}/properties/schema/{custom_property_name}
Creates a new or updates an existing custom property that is defined for an organization.
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.
accept (string)application/vnd.github+json is recommended.org (string) (required)
The organization name. The name is not case sensitive.
custom_property_name (string) (required)
The custom property name
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
200 - OK
403 - Forbidden
404 - Resource not found
Request:
curl -L \
-X PUT \
https://api.github.com/orgs/ORG/properties/schema/CUSTOM_PROPERTY_NAME \
-d '{
"value_type": "single_select",
"required": true,
"default_value": "production",
"description": "Prod or dev environment",
"allowed_values": [
"production",
"development"
]
}'
Response schema (Status: 200):
Same response schema as Get a custom property for an organization.
DELETE /orgs/{org}/properties/schema/{custom_property_name}
Removes a custom property that is defined for an organization.
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.
accept (string)application/vnd.github+json is recommended.org (string) (required)
The organization name. The name is not case sensitive.
custom_property_name (string) (required)
The custom property name
204 - A header with no content is returned.
403 - Forbidden
404 - Resource not found
Request:
curl -L \
-X DELETE \
https://api.github.com/orgs/ORG/properties/schema/CUSTOM_PROPERTY_NAME
Response schema (Status: 204):
GET /orgs/{org}/properties/values
Lists organization repositories with all of their custom property values.
Organization members can read these properties.
accept (string)application/vnd.github+json is recommended.org (string) (required)
The organization name. The name is not case sensitive.
per_page (integer)
The number of results per page (max 100). For more information, see "Using pagination in the REST API."
Default: 30
page (integer)
The page number of the results to fetch. For more information, see "Using pagination in the REST API."
Default: 1
repository_query (string)
Finds repositories in the organization with a query containing one or more search keywords and qualifiers. Qualifiers allow you to limit your search to specific areas of GitHub. The REST API supports the same qualifiers as the web interface for GitHub. To learn more about the format of the query, see Constructing a search query. See "Searching for repositories" for a detailed list of qualifiers.
200 - OK
403 - Forbidden
404 - Resource not found
Request:
curl -L \
-X GET \
https://api.github.com/orgs/ORG/properties/values
Response schema (Status: 200):
Array of Organization Repository Custom Property Values:
repository_id: required, integerrepository_name: required, stringrepository_full_name: required, stringproperties: required, array of Custom Property Value:
property_name: required, stringvalue: required, one of:
PATCH /orgs/{org}/properties/values
Create new or update existing custom property values for repositories in a batch that belong to an organization.
Each target repository will have its custom property values updated to match the values provided in the request.
A maximum of 30 repositories can be updated in a single request.
Using a value of null for a custom property will remove or 'unset' the property value from the repository.
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_values_editor in the organization.
accept (string)application/vnd.github+json is recommended.org (string) (required)repository_names (array of strings) (required)
The names of repositories that the custom property values will be applied to.
properties (array of objects) (required)
List of custom property names and associated values to apply to the repositories.
property_name (string) (required)value (null or string or array) (required)204 - No Content when custom property values are successfully created or updated
403 - Forbidden
404 - Resource not found
422 - Validation failed, or the endpoint has been spammed.
Request:
curl -L \
-X PATCH \
https://api.github.com/orgs/ORG/properties/values \
-d '{
"repository_names": [
"Hello-World",
"octo-repo"
],
"properties": [
{
"property_name": "environment",
"value": "production"
},
{
"property_name": "service",
"value": "web"
},
{
"property_name": "team",
"value": "octocat"
}
]
}'
Response schema (Status: 204):