Canonical spec: README.md

Spirit SEO REST API v1

Base URL: https://{your-site}/wp-json/spirit/v1 (plugin 2.13.1)

Deprecated: /wp-json/dmm-sd/v1 still returns its original payload. Do not use it for new work.

Authenticate with a WordPress Application Password (curl -u user:app_password) or X-Spirit-Api-Key.

Full field reference, error codes, and cURL cookbook: docs/api/README.md