OAuth

Short-lived bearer tokens mxt_*. Disabled by default.

Enable

Key	Default	Purpose
mxheadless_oauth_enabled	false	POST /api/v1/auth/token
mxheadless_oauth_token_ttl	3600	Access token TTL (seconds)
mxheadless_oauth_password_grant_enabled	false	password grant

Client

php core/components/mxheadless/bin/oauth-client-create.php \
  --client-id=next-preview \
  --name='Next preview' \
  --scopes=resources.read,preview \
  --grants=client_credentials

The secret is shown once. Tables: mxheadless_oauth_clients, mxheadless_oauth_tokens (hash).

Issue a token

curl -s -X POST https://example.com/api/v1/auth/token \
  -H 'Content-Type: application/json' \
  -d '{
    "grant_type": "client_credentials",
    "client_id": "next-preview",
    "client_secret": "YOUR_CLIENT_SECRET",
    "scope": "resources.read"
  }'

The response includes access_token (mxt_...), token_type, expires_in. Then:

curl -s https://example.com/api/v1/resources \
  -H "Authorization: Bearer mxt_..."

Supports application/json and application/x-www-form-urlencoded. For client credentials, HTTP Basic with client_id/client_secret is also allowed.

Grants

Grant	When
client_credentials	Machine-to-machine (default)
password	Only if mxheadless_oauth_password_grant_enabled=true

OAuth error: 400 invalid_grant.

Key or token

Credential	When
mxh_*	CI, long-running workers, no refresh
mxt_*	TTL, rotation without redeploying secrets in every service

Both types pass the same scope checker. CSRF is not required.