X-API-Key header, like the affiliate endpoints. A request without the header returns 400 with error code 14 (“Malformed header”).
API Reference
System Health Check
Check that the Utexo Swap API is up and ready to accept requests.
Use this endpoint to verify that the system is up and ready to accept requests. It returns no data; it only confirms that the API is healthy and responsive.
The endpoint requires your API key in the