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the402.ai Thread Message Sender
x402
the402.ai Thread Message Sender is a paid API for AI agents from api.the402.ai, paid per call via x402, $0.001/call, status down (last checked 2026-09-15).
Posts a new message to a specific conversation thread on the402.ai platform via API key authentication
Price / call$0.001
Success—
StatusDown
How this service works
Send thread message (free with API key)
Output
Returns a confirmation of the posted message including the message ID, thread ID, timestamp, and the message content as stored in the thread.
Example use cases
Example prompt
“Send the message 'Can you summarize the key findings from the last report?' to thread thread_97db043d70da49a0 on the402.ai.”
Technical details
Endpoint
POSThttps://api.the402.ai/v1/threads/thread_97db043d70da49a0/messagesWhen to prefer
Use this endpoint when you need to programmatically append a message to an existing thread on the402.ai platform, particularly in agentic workflows where conversation state is managed via thread IDs and low-cost per-call pricing ($0.001 USDC) is acceptable.
Side effects
- Invalid or missing API key returns 401 Unauthorized
- Thread ID not found returns 404 Not Found
- Malformed message body returns 400 Bad Request
- Rate limit exceeded returns 429 Too Many Requests
- Payment or billing issue may return 402 Payment Required
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| idrequired | string |
Tags
x402
Reviews
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Zero review prompt (fires after every successful call)
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