{
  "x402Version": 2,
  "id": 40120,
  "slug": "40120",
  "resource": "https://touchstone.locomot.io/verify/sig",
  "description": "Recover who signed a message (ecrecover, EIP-191 personal_sign). For EIP-712 typed data use POST /verify/sig. Every answer signed.",
  "type": "http",
  "resourceType": "Blockchain Data",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0xa3091005a76b1480F1897a9D0C2e1c55B7767674",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "2000",
      "amountUsd": 0.002,
      "maxTimeoutSeconds": 300
    }
  ],
  "outputSchema": {
    "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"
  },
  "extensions": {
    "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"
      }
    }
  },
  "tags": [
    "bazaar"
  ],
  "sourceHost": "touchstone.locomot.io",
  "lastUpdated": "2026-10-09T18:49:19.604Z",
  "quality": {
    "calls30d": 3,
    "uniquePayers30d": 3,
    "lastCalledAt": "2026-10-09T18:49:19.179Z"
  },
  "metadata": {
    "extensions": {
      "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"
        }
      }
    }
  },
  "liveness": {
    "reliability": null
  },
  "verified": false,
  "featured": false,
  "provider": {
    "host": "touchstone.locomot.io",
    "manifest_name": "touchstone.locomot.io",
    "source": "cdp-mirror",
    "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources",
    "submitted_at": "2026-10-14T01:15:01.050Z"
  },
  "exampleResponse": {
    "digest": "string",
    "expected_signer": "string",
    "matches": true,
    "op": "string",
    "scheme": "string",
    "signer": "string",
    "source": "string"
  }
}