x402.freeq.one

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1

0.002 USDC
Atomic price: 2000 · Network: eip155:8453 · Asset: USDC · Scheme: exact

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "2000",
    "payTo": "0x90b0dC893406d6eA63bb077ED59F5e8340f98d84"
  }
]

Observed health

Status

Healthy

Latest latency

100 ms

Average latency

289 ms

HTTP status

402

Last checked

2026-11-02T09:35:59.451Z

Reachability

100% over 14 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string",
      "const": "mcp"
    },
    "tool": {
      "type": "string",
      "description": "Tool name to call"
    },
    "inputSchema": {
      "type": "object",
      "description": "Arguments object matching the tool's input schema (see GET /tools)"
    },
    "body": {
      "type": "object",
      "description": "Chat with a language model. OpenAI-compatible /v1/chat/completions interface. Supports 50+ models. Free models (auto, eco, premium) are $0 — paid models (gpt-5.2, claude-opus-5, deepseek-v4-pro, ...) are charged at cost. See /tools/llm_chat/models for the full model list and rates.",
      "properties": {
        "model": {
          "type": "string",
          "description": "Model ID. Examples: auto/eco/premium (free, $0.002), openai/gpt-5.2, anthropic/claude-opus-5, google/gemini-3.1-pro, deepseek/deepseek-v4-pro. Short names accepted (gpt-5.2, claude-opus-5). See /tools for full list.",
          "example": "auto"
        },
        "messages": {
          "type": "array",
          "items": {
            "type": "object",
            "properties": {
              "role": {
                "type": "string",
                "enum": [
                  "system",
                  "user",
                  "assistant"
                ],
                "description": "Message role",
                "example": "user"
              },
              "content": {
                "type": "string",
                "description": "Message text content",
                "example": "Say hello in one short sentence."
              }
            }
          },
          "description": "Conversation messages array",
          "example": [
            {
              "role": "user",
              "content": "Say hello in one short sentence."
            }
          ]
        },
        "temperature": {
          "type": "number",
          "description": "Sampling temperature 0-2 (default 0.7)",
          "example": 0.7
        },
        "max_tokens": {
          "type": "integer",
          "description": "Maximum tokens to generate (default 1024, max 4096). Lower values reduce cost for paid models.",
          "example": 256
        }
      }
    }
  }
}

Output schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string",
      "const": "json"
    },
    "example": {
      "type": "object",
      "properties": {
        "result": {
          "description": "Tool output (JSON)"
        }
      }
    }
  }
}