Building with coss.com coss.com is one API key and one SDK for email, inboxes for agents, SMS, Verify (one-time codes by SMS or email), Hooks (webhooks your app sends to its own users) and Risk (sign-up, login and payment risk decisions). Its docs are written for agents too: read them instead of guessing field names, error codes or webhook payloads. Read the docs first - https://coss.com/llms.txt opens with a short brief and lists every docs page. - Every docs page is Markdown at its URL plus , e.g. https://coss.com/docs/email/sending.md. API reference pages ( ) give the method and URL, every…