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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 thread on the the402.ai platform using an API key
Price / call$0.001
Success—
StatusDown
How this service works
Send thread message (free with API key)
Output
A confirmation that the message was posted to the specified thread, likely including the message object or message ID, timestamp, and thread reference.
Example use cases
Example prompt
“Send a message to thread ID thread_b4bd1ded4d674d36 on the402.ai saying 'Please confirm the order has been processed and provide a receipt.'”
Technical details
Endpoint
POSThttps://api.the402.ai/v1/threads/thread_b4bd1ded4d674d36/messagesWhen to prefer
Use this endpoint when you need to send a message to an existing thread on the the402.ai platform and have a valid thread ID. This is suitable for agentic workflows where conversation threads are managed on the402.ai and you need to post follow-up messages, replies, or instructions. It is free with an API key, making it cost-effective for high-frequency messaging within threads.
Side effects
- Missing or invalid thread ID returns an error (400 Bad Request)
- Invalid or missing API key results in authentication failure (401 Unauthorized)
- Thread not found returns 404
- Rate limiting or quota exceeded returns 429
- Malformed request body returns 400
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| idrequired | string |
Tags
x402
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