Channels API
Feishu Webhook
Feishu event subscription webhook — URL verification and message receiving
POST
The event subscription callback endpoint for the Feishu Open Platform. This endpoint does not require authentication and is called directly by Feishu servers.
Supported Event Types
Flow
- Feishu sends
url_verification→ returns{ challenge }to complete verification - User sends a message in Feishu → triggers
im.message.receive_v1event - Deduplication check (
event_id) → asynchronous background processing → quickly returns{ code: 0 }to Feishu