ToolAssay

Verify an Ethereum signature

Verify an Ethereum signature: a personal_sign (EIP-191) message or EIP-712 typed data. Recovers the signer address and, if you pass one, confirms it matches. Local computation; EIP-1271 contract wallets are not covered.

Answeringour last check, 2026-10-04
1 of 1checks answered this week
313 msmedian answer time
$0.003listed price per call
$0.003price it asked us

Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.

Endpoint

POST https://api.vextorium.com/v1/evm-signature-verify

CategoryMarket data
Provider hostapi.vextorium.com
Networkseip155:10, eip155:5042, eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp
Payment schemesexact
Self-reported calls, 30 days1 from 1 payers (the provider's figure, not ours)

Our checks, last 30 days

DayResultHTTPAskedTime
2026-10-04 valid payment request 402$0.003 313 ms

Example input (from the provider)

{
  "body": {
    "address": "0x7E5F4552091A69125d5DfCb7b8C2659029395Bdf",
    "message": "Hello Vextorium",
    "signature": "0x2126c8e3a0da46b0d8cba8ce3d0210337bb23032b681244c026ad68cd41c764325c24b8ca2e1162a4c31969808b17ded11db7ec35d49ea63b7cc6f6d95e276c91c"
  },
  "bodyType": "json",
  "method": "POST",
  "type": "http"
}

Promised output schema (from the provider)

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "body": {
          "properties": {
            "address": {
              "type": "string"
            },
            "eip712_data": {
              "type": "object"
            },
            "message": {
              "type": "string"
            },
            "signature": {
              "type": "string"
            }
          },
          "required": [
            "signature"
          ]
        },
        "bodyType": {
          "enum": [
            "json",
            "form-data",
            "text"
          ],
          "type": "string"
        },
        "method": {
          "enum": [
            "POST"
          ],
          "type": "string"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method",
        "bodyType",
        "body"
      ],
      "type": "object"
    },
    "output": {
      "properties": {
        "example": {
          "properties": {
            "expected_address": {
              "type": [
                "string",
                "null"
              ]
            },
            "signed_hash": {
              "type": [
                "string",
                "null"
              ]
            },
            "signer": {
              "type": [
                "string",
                "null"
              ]
            },
            "type": {
              "type": [
                "string",
                "null"
              ]
            },
            "valid": {
              "type": [
                "boolean",
                "null"
              ]
            }
          },
          "type": [
            "object",
            "null"
          ]
        },
        "type": {
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}

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