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Api Endpoint

Tanod utilpeek

utilpeek (Tanod) HMAC: sign a message or verify a webhook signature (sha256, sha512 or sha1). Use when an agent must sign a message with HMAC or verify a webhook signature.

Open interactive test console

Offering

Provider
tanod.dev
Method
POST
Offering type
Api Endpoint
Transport type
http
Category
Security
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://tanod.dev/v1/hmac
MIME type
application/json
First seen
2026-10-16T01:51:02.144Z
Last seen
Tags
HMAC, webhook-signature, signature-verification, SHA256, utilpeek, fx-rates, qr-code, geocoding, Holidays

Website

Payment pricing

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

Payment option 1
0.001 USDC
Atomic price: 1000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Payment option 2
0.001 USDC
Atomic price: 1000 · Network: eip155:137 · Asset: USDC · Scheme: exact
Payment option 3
0.001 USDC
Atomic price: 1000 · Network: solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp · Asset: USDC · Scheme: exact
Payment option 4
0.001 USDC
Atomic price: 1000000000000000 · Network: eip155:56 · Asset: USDC · Scheme: exact
Payment option 5
0.001 USDC
Atomic price: 1000 · Network: eip155:42161 · Asset: USDC · Scheme: exact
Payment option 6
0.001 USDC
Atomic price: 1000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Payment option 7
0.001 USDC
Atomic price: 1000 · Network: eip155:137 · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "1000",
    "payTo": "0x593857A4a4F619543ea12394137C3004ce841720"
  },
  {
    "scheme": "exact",
    "network": "eip155:137",
    "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
    "amount": "1000",
    "payTo": "0x593857A4a4F619543ea12394137C3004ce841720"
  },
  {
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "amount": "1000",
    "payTo": "RMk9k3VC8dr4hhjgFh88rGhjAbzfBzHxJJ5n2fTcqus"
  },
  {
    "scheme": "exact",
    "network": "eip155:56",
    "asset": "0x8AC76a51cc950d9822D68b83fE1Ad97B32Cd580d",
    "amount": "1000000000000000",
    "payTo": "0x593857A4a4F619543ea12394137C3004ce841720"
  },
  {
    "scheme": "exact",
    "network": "eip155:42161",
    "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
    "amount": "1000",
    "payTo": "0x593857A4a4F619543ea12394137C3004ce841720"
  },
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "1000",
    "payTo": "0x593857A4a4F619543ea12394137C3004ce841720"
  },
  {
    "scheme": "exact",
    "network": "eip155:137",
    "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
    "amount": "1000",
    "payTo": "0x593857A4a4F619543ea12394137C3004ce841720"
  }
]

Observed health

Status
Healthy
Latest latency
288 ms
Average latency
1071 ms
HTTP status
204
Last checked
Reachability
100% over 10 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": "http"
    },
    "method": {
      "type": "string",
      "enum": [
        "POST"
      ]
    },
    "bodyType": {
      "type": "string",
      "enum": [
        "json",
        "form-data",
        "text"
      ]
    },
    "body": {
      "additionalProperties": false,
      "properties": {
        "mode": {
          "description": "sign (compute the HMAC) or verify (check `signature`).",
          "enum": [
            "sign",
            "verify"
          ],
          "type": "string"
        },
        "message": {
          "description": "The signed payload exactly as received (e.g. the raw webhook body), as text; at most 64 KiB as UTF-8.",
          "maxLength": 65536,
          "type": "string"
        },
        "key": {
          "description": "The shared secret (at most 1 KiB), read as `key_encoding`. Never echoed or logged.",
          "maxLength": 1024,
          "minLength": 1,
          "type": "string"
        },
        "key_encoding": {
          "default": "utf8",
          "description": "utf8 (default), hex or base64 (standard alphabet).",
          "enum": [
            "utf8",
            "hex",
            "base64"
          ],
          "type": "string"
        },
        "algorithm": {
          "default": "sha256",
          "description": "sha256 (default), sha512, or sha1 (legacy webhooks only).",
          "enum": [
            "sha256",
            "sha512",
            "sha1"
          ],
          "type": "string"
        },
        "output": {
          "default": "hex",
          "description": "Signature encoding: hex (default) or base64.",
          "enum": [
            "hex",
            "base64"
          ],
          "type": "string"
        },
        "signature": {
          "anyOf": [
            {
              "maxLength": 256,
              "minLength": 1,
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "description": "verify only: the signature to check, in `output` encoding. A `sha256=` style prefix (GitHub's X-Hub-Signature-256) is stripped when it names `algorithm`."
        }
      },
      "required": [
        "mode",
        "message",
        "key"
      ],
      "type": "object"
    }
  },
  "required": [
    "type",
    "method",
    "bodyType",
    "body"
  ],
  "additionalProperties": false
}

Output schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "body": {
          "additionalProperties": false,
          "properties": {
            "algorithm": {
              "default": "sha256",
              "description": "sha256 (default), sha512, or sha1 (legacy webhooks only).",
              "enum": [
                "sha256",
                "sha512",
                "sha1"
              ],
              "type": "string"
            },
            "key": {
              "description": "The shared secret (at most 1 KiB), read as `key_encoding`. Never echoed or logged.",
              "maxLength": 1024,
              "minLength": 1,
              "type": "string"
            },
            "key_encoding": {
              "default": "utf8",
              "description": "utf8 (default), hex or base64 (standard alphabet).",
              "enum": [
                "utf8",
                "hex",
                "base64"
              ],
              "type": "string"
            },
            "message": {
              "description": "The signed payload exactly as received (e.g. the raw webhook body), as text; at most 64 KiB as UTF-8.",
              "maxLength": 65536,
              "type": "string"
            },
            "mode": {
              "description": "sign (compute the HMAC) or verify (check `signature`).",
              "enum": [
                "sign",
                "verify"
              ],
              "type": "string"
            },
            "output": {
              "default": "hex",
              "description": "Signature encoding: hex (default) or base64.",
              "enum": [
                "hex",
                "base64"
              ],
              "type": "string"
            },
            "signature": {
              "anyOf": [
                {
                  "maxLength": 256,
                  "minLength": 1,
                  "type": "string"
                },
                {
                  "type": "null"
                }
              ],
              "default": null,
              "description": "verify only: the signature to check, in `output` encoding. A `sha256=` style prefix (GitHub's X-Hub-Signature-256) is stripped when it names `algorithm`."
            }
          },
          "required": [
            "mode",
            "message",
            "key"
          ],
          "type": "object"
        },
        "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": {
            "algorithm": {
              "enum": [
                "sha256",
                "sha512",
                "sha1"
              ],
              "type": "string"
            },
            "output": {
              "enum": [
                "hex",
                "base64"
              ],
              "type": "string"
            },
            "signature": {
              "type": "string"
            },
            "valid": {
              "type": "boolean"
            }
          },
          "required": [
            "algorithm"
          ],
          "type": "object"
        },
        "type": {
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}