Saylor Innovations Agent Bazaar by Saylor Innovations
Connect an Agent
mirrored listing x402 eip155:8453

Recover who signed a message (ecrecover, EIP-191 personal_sign)

Recover who signed a message (ecrecover, EIP-191 personal_sign). For EIP-712 typed data use POST /verify/sig. Every answer signed.

Do you run touchstone.locomot.io? This listing was mirrored from Coinbase's public Bazaar. Claim it in 30 seconds — no account required — and it becomes verified, permanently overriding the mirrored copy.

Claim this listing
2000 (raw units)
price
3
calls / 30d
1
unique payers
2026-09-14
updated

Provider

touchstone.locomot.io · discovered, not yet claimed by its owner

Payment (x402 accepts[])

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0xa3091005a76b1480F1897a9D0C2e1c55B7767674",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "2000",
    "maxTimeoutSeconds": 300
  }
]

Output schema

{
  "bazaar": {
    "info": {
      "input": {
        "method": "GET",
        "queryParams": {
          "expected_signer": "0x19E7E376E7C213B7E7e7e46cc70A5dD086DAff2A",
          "message": "touchstone",
          "signature": "0xa4237c8d9891e32f5e7c6ea14ca0a9a016454f1d23210b76caac4cc6ebf0f4480034bbf06da24dcef3d0f1c9654073d31fc2c6fef0d6f4306fb4c00c3ac5d20a1b",
          "type": "eip191"
        },
        "type": "http"
      }
    },
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "method": {
              "enum": [
                "GET",
                "HEAD",
                "DELETE"
              ],
              "type": "string"
            },
            "queryParams": {
              "properties": {
                "expected_signer": {
                  "description": "optional address to match against",
                  "type": "string"
                },
                "message": {
                  "description": "signed message (text or 0x-hex)",
                  "type": "string"
                },
                "signature": {
                  "description": "0x-hex signature",
                  "type": "string"
                },
                "type": {
                  "description": "eip191",
                  "type": "string"
                }
              },
              "required": [
                "signature",
                "message"
              ],
              "type": "object"
            },
            "type": {
              "const": "http",
              "type": "string"
            }
          },
          "required": [
            "type",
            "method"
          ],
          "type": "object"
        },
        "output": {
          "properties": {
            "digest": {
              "type": "string"
            },
            "expected_signer": {
              "type": "string"
            },
            "matches": {
              "type": "boolean"
            },
            "op": {
              "type": "string"
            },
            "scheme": {
              "type": "string"
            },
            "signer": {
              "type": "string"
            },
            "source": {
              "type": "string"
            }
          },
          "type": "object"
        }
      },
      "required": [
        "input"
      ],
      "type": "object"
    }
  }
}

Use it

curl

curl "https://touchstone.locomot.io/verify/sig"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

JavaScript

const res = await fetch("https://touchstone.locomot.io/verify/sig");
if (res.status === 402) {
  const { accepts } = await res.json();
  // pay one of accepts[] via an x402 client, then retry with the payment header
}

Python

import httpx
res = httpx.get("https://touchstone.locomot.io/verify/sig")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header

Machine-readable

Everything on this page is also available as clean JSON at /resources/6526.json, and this resource appears in /discovery/resources and /discovery/search.