get https://api.stg.mesta.xyz/v1/senders//tos-status
Retrieves the Terms of Service acceptance status for a specific sender. TOS acceptance is required for senders in eligible countries dealing with USD payments. The TOS confirms the sender's consent to use Checkbook as the payment provider for disbursements. This endpoint returns the current TOS version, acceptance status, and a shareable UI link for the sender to complete acceptance if needed.