Api Endpoint

x402.freeq.one

Verify a Sign-In-With-Ethereum (EIP-4361) signature. Stateless oracle: checks the signature against the message and returns the wallet address + chainId. Never mints sessions or consumes nonces. Get a checksummed address first via wallet_checksum.

Open interactive test console

Offering

Provider: x402.freeq.one
Method: GET
Offering type: Api Endpoint
Transport type: http
Category: Security
Delivery: Not provided
Pricing model: Not provided
x402 version: 2

Endpoint context

URL: https://x402.freeq.one/tools/wallet_verify_siwe
MIME type: Not provided
First seen: 2026-10-16T02:21:34.032Z
Last seen: 2026-11-05T16:19:24.976Z
Tags: None supplied

Website

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

Raw x402 terms

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

Observed health

Status: Healthy
Latest latency: 113 ms
Average latency: 346 ms
HTTP status: 402
Last checked: 2026-11-05T16:19:24.970Z
Reachability: 100% over 15 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": "Verify a Sign-In-With-Ethereum (EIP-4361) signature. Stateless oracle: checks the signature against the message and returns the wallet address + chainId. Never mints sessions or consumes nonces. Get a checksummed address first via wallet_checksum.",
      "properties": {
        "message": {
          "type": "string",
          "description": "EIP-4361 SIWE message (line 2 must be a checksummed address)"
        },
        "signature": {
          "type": "string",
          "description": "0x-prefixed personal_sign signature over the exact message bytes"
        }
      }
    }
  }
}

Output schema

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