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Pro · 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/pro and pay $0.10 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/pro/responses

0.1 USDC on Base · payTo 0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0

Status: verified · payable

Settlement: direct to the seller's payTo — 0% HIVE402 take

Payment routes

{
  "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
  }
}