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API: webhook payloads in the OpenAPI spec

https://api.hatang.dev/openapi.json now describes every public webhook event in the OpenAPI 3.1 webhooks section, with the payload each one carries, instead of a bare list of names. The chat gateway's spec is published at https://chat.hatang.dev/openapi.json with stable operationIds.

  • Operations are filed under one tag per resource (Conversations, Customers, Orders, Tickets…), and every tag belongs to a group.
  • 429 responses state the real limit of each API: 10 requests per second for Email, 50 for Support and 20 for Payments.
  • The API answers CORS preflights from https://hatang.dev, so the reference's "Try it" console can call it with your key.