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The Admin API is unavailable for individual accounts. To collaborate with teammates and add members, set up your organization in Console → Settings → Organization.

The Admin API allows you to programmatically manage your organization's resources, including organization members, workspaces, and API keys. This provides programmatic control over administrative tasks that would otherwise require manual configuration in the Claude Console.

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The Admin API requires special access

The Admin API accepts two credentials: an Admin API key (starting with sk-ant-admin...) sent in the x-api-key header or an OAuth bearer token with the org:admin scope sent in the authorization: Bearer header. Only organization members with the admin role can provision Admin API keys through the Claude Console, and only members with the admin, owner, or primary owner role can obtain org:admin tokens.

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Claude Platform on AWS: Most of the Admin API is not available on Claude Platform on AWS. Workspace endpoints (create, get, list, update, and archive on /v1/organizations/workspaces) are available. Other endpoints including organization members, workspace members, invites, API keys, usage reports, cost reports, and rate limit reports are not available. See Claude Platform on AWS for details.

Authentication

Authenticate with either credential. The following examples call the organization info endpoint both ways:

OAuth bearer:

cURL

curl --fail-with-body -sS "https://api.anthropic.com/v1/organizations/me" \
 --header "anthropic-version: 2023-06-01" \
 --header "authorization: Bearer $ANTHROPIC_OAUTH_TOKEN"

An org:admin token grants access to the whole organization, regardless of the workspace the underlying profile or federation rule is bound to. To obtain one, see the prerequisites in Manage WIF with the Admin API.

Admin API key:

cURL

curl --fail-with-body -sS "https://api.anthropic.com/v1/organizations/me" \
 --header "anthropic-version: 2023-06-01" \
 --header "x-api-key: $ANTHROPIC_ADMIN_KEY"

How the Admin API works

When you use the Admin API:

You make requests using either credential from the Authentication section
The API allows you to manage:
- Organization members and their roles
- Organization member invites
- Workspaces and their members
- API keys
- Service accounts, federation issuers, and federation rules (these endpoints require an org:admin OAuth token; Admin API keys are not accepted)

This is useful for:

Automating user onboarding/offboarding
Programmatically managing workspace access
Monitoring and managing API key usage

Organization roles and permissions

There are five organization-level roles. See more details in the API Console roles and permissions article.

Role	Permissions
user	Can use Workbench
claude_code_user	Can use Workbench and Claude Code
developer	Can use Workbench and manage API keys
billing	Can use Workbench and manage billing details
admin	Can do all of the preceding, plus manage users

Organization owners and primary owners have all admin permissions and can additionally manage admins. All references to the admin role on this page also apply to owners and primary owners.

Key concepts

Organization members

You can list organization members, update member roles, and remove members.

cURL

# List organization members
curl "https://api.anthropic.com/v1/organizations/users?limit=10" \
 --header "anthropic-version: 2023-06-01" \
 --header "x-api-key: $ANTHROPIC_ADMIN_KEY"

# Update member role
curl "https://api.anthropic.com/v1/organizations/users/{user_id}" \
 --header "anthropic-version: 2023-06-01" \
 --header "content-type: application/json" \
 --header "x-api-key: $ANTHROPIC_ADMIN_KEY" \
 --data '{"role": "developer"}'

# Remove member
curl --request DELETE "https://api.anthropic.com/v1/organizations/users/{user_id}" \
 --header "anthropic-version: 2023-06-01" \
 --header "x-api-key: $ANTHROPIC_ADMIN_KEY"

Organization invites

You can invite users to organizations and manage those invites.

cURL

# Create invite
curl --request POST "https://api.anthropic.com/v1/organizations/invites" \
 --header "anthropic-version: 2023-06-01" \
 --header "content-type: application/json" \
 --header "x-api-key: $ANTHROPIC_ADMIN_KEY" \
 --data '{
 "email": "[email protected]",
 "role": "developer"
 }'

# List invites
curl "https://api.anthropic.com/v1/organizations/invites?limit=10" \
 --header "anthropic-version: 2023-06-01" \
 --header "x-api-key: $ANTHROPIC_ADMIN_KEY"

# Delete invite
curl --request DELETE "https://api.anthropic.com/v1/organizations/invites/{invite_id}" \
 --header "anthropic-version: 2023-06-01" \
 --header "x-api-key: $ANTHROPIC_ADMIN_KEY"

Workspaces

For a comprehensive guide to workspaces, including Console and API examples, see Workspaces.

Workspace members

Manage user access to specific workspaces:

cURL

# Add member to workspace
curl --request POST "https://api.anthropic.com/v1/organizations/workspaces/{workspace_id}/members" \
 --header "anthropic-version: 2023-06-01" \
 --header "content-type: application/json" \
 --header "x-api-key: $ANTHROPIC_ADMIN_KEY" \
 --data '{
 "user_id": "user_xxx",
 "workspace_role": "workspace_developer"
 }'

# List workspace members
curl "https://api.anthropic.com/v1/organizations/workspaces/{workspace_id}/members?limit=10" \
 --header "anthropic-version: 2023-06-01" \
 --header "x-api-key: $ANTHROPIC_ADMIN_KEY"

# Update member role
curl --request POST "https://api.anthropic.com/v1/organizations/workspaces/{workspace_id}/members/{user_id}" \
 --header "anthropic-version: 2023-06-01" \
 --header "content-type: application/json" \
 --header "x-api-key: $ANTHROPIC_ADMIN_KEY" \
 --data '{
 "workspace_role": "workspace_admin"
 }'

# Remove member from workspace
curl --request DELETE "https://api.anthropic.com/v1/organizations/workspaces/{workspace_id}/members/{user_id}" \
 --header "anthropic-version: 2023-06-01" \
 --header "x-api-key: $ANTHROPIC_ADMIN_KEY"

API keys

Monitor and manage API keys:

cURL

# List API keys
curl "https://api.anthropic.com/v1/organizations/api_keys?limit=10&status=active&workspace_id=wrkspc_xxx" \
 --header "anthropic-version: 2023-06-01" \
 --header "x-api-key: $ANTHROPIC_ADMIN_KEY"

# Update API key
curl --request POST "https://api.anthropic.com/v1/organizations/api_keys/{api_key_id}" \
 --header "anthropic-version: 2023-06-01" \
 --header "content-type: application/json" \
 --header "x-api-key: $ANTHROPIC_ADMIN_KEY" \
 --data '{
 "status": "inactive",
 "name": "New Key Name"
 }'

Service accounts

Create and manage service accounts (svac_...), the non-human identities that Workload Identity Federation tokens act as. Admin API keys are not accepted on the service-account, federation-issuer, or federation-rule endpoints; use an org:admin OAuth token. See Manage WIF with the Admin API.

Federation issuers

Register the OIDC identity providers (fdis_...) whose tokens may assert workload identity for your organization. See Manage WIF with the Admin API.

Federation rules

Manage the rules (fdrl_...) that map issuer tokens to service accounts and scopes. See Manage WIF with the Admin API.

Accessing organization info

Get information about your organization programmatically with the /v1/organizations/me endpoint.

For example:

cURL

curl "https://api.anthropic.com/v1/organizations/me" \
 --header "anthropic-version: 2023-06-01" \
 --header "x-api-key: $ANTHROPIC_ADMIN_KEY"

{
 "id": "12345678-1234-5678-1234-567812345678",
 "type": "organization",
 "name": "Organization Name"
}

This endpoint is useful for programmatically determining which organization an Admin API key belongs to.

For complete parameter details and response schemas, see the Organization Info API reference.

Usage and cost reports

Track your organization's usage and costs with the Usage and Cost API.

Claude Code analytics

Monitor developer productivity and Claude Code adoption with the Claude Code Analytics API.

Rate limits

Read the rate limits configured for your organization and its workspaces with the Rate Limits API.

Compliance API

Retrieve audit and activity data for your organization with the Compliance API. Admin API keys can read the Activity Feed only; for full access, see Get access to the Compliance API.

Best practices

To effectively use the Admin API:

Use meaningful names and descriptions for workspaces and API keys
Implement proper error handling for failed operations
Regularly audit member roles and permissions
Clean up unused workspaces and expired invites
Monitor API key usage and rotate keys periodically

FAQ

For workspace-specific questions, see the Workspaces FAQ.

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URL: https://platform.claude.com/docs/en/manage-claude/admin-api

⇱ Admin API - Claude API Docs

Authentication

How the Admin API works

Organization roles and permissions

Key concepts

Organization members

Organization invites

Workspaces

Workspace members

API keys

Service accounts

Federation issuers

Federation rules

Accessing organization info

Usage and cost reports

Claude Code analytics

Rate limits

Compliance API

Best practices

FAQ