> ## Documentation Index
> Fetch the complete documentation index at: https://docs.watahub.dev/llms.txt
> Use this file to discover all available pages before exploring further.

# whatsapp.message.received

> Delivered at least once. Deduplicate on X-Idempotency-Key. Verify X-Webhook-Signature: hex HMAC-SHA256 of the raw body with the webhook secret.



## OpenAPI

````yaml openapi.json webhook whatsapp.message.received
openapi: 3.1.0
info:
  title: Watahub API
  version: 0.2.0
  description: >-
    Tenant API of Watahub, the multi-tenant WhatsApp Cloud API gateway.
    Authenticate every request with your API key as `Authorization: Bearer
    <key>` or `X-API-Key: <key>`.


    - Shapes the gateway owns are closed: no other field appears.

    - Records that come from Meta are open: documented fields are listed and any
    other field Meta adds is passed through.

    - The `/vN.N` proxy passes Meta's body and status through untouched; the
    version in the path is accepted and ignored.
servers:
  - url: https://cloud.watahub.dev
security:
  - bearerApiKey: []
  - headerApiKey: []
tags:
  - name: Messages
  - name: Media
  - name: Templates
  - name: Graph-compatible proxy
    description: >-
      Drop-in for Meta's Graph API on three routes. Meta's response is returned
      as is.
  - name: Phones
    description: Phones
  - name: Conversations
    description: Conversations
  - name: Connect
    description: Connect
  - name: Customers
    description: Customers
  - name: Webhooks
    description: Webhooks
  - name: Logs
    description: Logs
  - name: Health
    description: Health
  - name: Message templates
    description: >-
      Templates cached by the gateway per WABA; synced from Meta and required by
      broadcasts.
  - name: Broadcasts
    description: >-
      Send one approved template to up to 500 recipients; sending is queued and
      drained in the background.
paths: {}
components:
  securitySchemes:
    bearerApiKey:
      type: http
      scheme: bearer
      description: Tenant API key.
    headerApiKey:
      type: apiKey
      in: header
      name: X-API-Key
      description: Tenant API key.

````

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