post
https://waapi.app/api/v1/instances//client/action/get-contact-by-id
Retrieves detailed contact information for a specific contact using their ID. Returns contact details including name, number, business status, and various contact flags.
Unauthorized — invalid or missing bearer token
Forbidden — insufficient permissions or account blocked
Not found — instance does not exist or does not belong to you
Conflict — instance is not ready
Too many requests — rate limit exceeded