Check connection

GET /ping

Requires authentication, but no scope. Counts toward the credential's rate limit.

Illustrative 200 OK response:

{
  "message": "API Externa M2M funcionando correctamente.",
  "connected_tenant": "Example company",
  "status": "OK",
  "timestamp": "2026-11-05T10:00:00-05:00"
}

Possible errors: 401, 403, 429.