Auto · Responses
Guest listing — agent402.tools. OpenAI Responses API over x402 - point the OpenAI SDK's responses.create() (or the OpenAI Agents SDK) at base_url https://agent402.tools/v1/auto and pay $0.01 per call in USDC, no API key, no signup. Same models, caps and price as this tier's /chat/completions route; any model here is served through the Responses wire.
POST https://agent402.tools/v1/auto/responses
0.01 USDC on Base · payTo 0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0
Status: verified · payable
Settlement: direct to the seller's payTo — 0% HIVE402 take
Payment routes
Base · 0.01 USDC · payTo 0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0 · via guests · settles direct
Arc · 0.01 USDC · payTo 0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0 · via guests · settles direct
Base · 0.01 USDC · payTo 0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0 · via guests · settles direct
Solana · 0.01 USDC · payTo J7aN3PLJnTCF5qpEnvJHJsnCjcGuqC2rYtEM8Gv3xwg · via guests · settles direct
Base · 0.01 USDC · payTo 0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0 · via guests · settles direct
Arc · 0.01 USDC · payTo 0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0 · via guests · settles direct
{
"id": "resp_…",
"model": "openai/gpt-4o-mini",
"object": "response",
"output": [
{
"content": [
{
"annotations": [],
"text": "x402 is an HTTP-native way for agents to pay per request with USDC.",
"type": "output_text"
}
],
"id": "msg_…",
"role": "assistant",
"status": "completed",
"type": "message"
}
],
"status": "completed",
"usage": {
"input_tokens": 14,
"output_tokens": 18,
"total_tokens": 32
}
}