Developer & API Integrations
WORKINGMessages
Direct messaging API reference for Instagram and Facebook threads, 24-hour customer service window, and replies.
## Messages & Conversations API
Manage direct customer communications across connected social channels.
### Meta 24-Hour Policy Compliance
Direct message replies must occur within 24 hours of user contact per Meta platform policies.
### Endpoints
- **List Threads:** `GET /v1/conversations?accountId=<ACC_ID>`
- **List Messages:** `GET /v1/messages?conversationId=<CONV_ID>`
- **Send DM:** `POST /v1/messages` (or MCP tool `eser_send_message`)
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