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).

Sends a message to a specific thread on the402.ai platform using an API key, charged per call via x402 micropayment

Price / call$0.001

Seller volume →—

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 returning the created message object or a success status along with the message record in the thread.

Example use cases

Example prompt

“Send the message 'Your report is ready for review' to thread ID thread_9b0adb82375a470b on the402 platform.”

Technical details

Endpoint

POSThttps://api.the402.ai/v1/threads/thread_9b0adb82375a470b/messages

When to prefer

Use this endpoint when you need to programmatically post messages to a specific thread on the402.ai platform, especially in automated workflows where micropayment-per-message billing via x402 is acceptable and you have a valid API key.

Side effects

Invalid or missing thread ID returns an error
Missing API key or unauthorized access returns 401/403
Thread not found returns 404
Insufficient USDC balance or payment failure blocks the request
Malformed request body with missing required 'id' field returns 400

Input

Schema · Request body

Field	Type	Description
idrequired	string

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