Use when an agent must receive a verification email (sign-up, login code, magic ...
https://1gateway.dev/v1/agent/inboxOverview
Use when an agent must receive a verification email (sign-up, login code, magic link) without a mailbox. Input: none. Output: address @inbox.1gateway.dev, id, one-time secret, read URL. Reads are free (header x-inbox-secret): sender, subject, text, with verification codes and confirmation links extracted. Receive only; 20 messages, 256 KB each, attachments dropped; deleted after 24 h. Some sites refuse new domains: not refunded. Example: GET /v1/agent/inbox