ToolVet
74trust / 100

Image Hash

by Tanod imagepeek in Other

x402 APIPassing, checked 4 h ago

imagepeek (Tanod) perceptual hashes: aHash, dHash, pHash, wHash, optionally compared.

POST https://tanod.dev/v1/image/hash

Last 30 days

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Status and outage history · Atom feed

Uptime
100%
Response time
802 ms typical, 1.1 s slowest 5%
Last check
4 h ago
Next check
any minute now

How to call it

POST https://tanod.dev/v1/image/hash

Each call costs $0.002 in USDC on Base, paid with the request over x402.

Run a free test callOne unpaid request, the way an agent sends it. You see the payment challenge it gets back. Nothing is charged.

Example request

From the listing.

POST https://tanod.dev/v1/image/hash
content-type: application/json

{
  "compare_url": "https://raw.githubusercontent.com/ianare/exif-samples/master/jpg/gps/DSCN0012.jpg",
  "url": "https://raw.githubusercontent.com/ianare/exif-samples/master/jpg/gps/DSCN0010.jpg"
}

Parameters

ParameterTypeRequiredDescription
algorithmsarray of string or nullNoDefault: all four. Default: null.
auto_orientbooleanNoApply the EXIF orientation first (default true). Default: true.
compare_base64string or nullNoA second image as base64 (at most 10 MB decoded; or compare_url). Default: null.
compare_urlstring or nullNoA second image to compare (or compare_base64). Default: null.
hash_sizeintegerNoHash grid: 8 (64-bit hashes, default) or 16 (256-bit). One of: 8, 16. Default: 8.
image_base64string or nullNoThe image as standard or url-safe base64 (at most 10 MB decoded; a data:image/...;base64, prefix is fine); or use url. Default: null.
urlstring or nullNoPublic http(s) URL of the image (at most 10 MB; private, internal and IP-literal hosts are refused); or use image_base64. Default: null.

Example response

The provider's example. We can't check it without paying.

Example response, 59 lines
{
  "bits": 64,
  "compare": {
    "distance": {
      "ahash": 19,
      "dhash": 34,
      "phash": 34,
      "whash": 20
    },
    "final_url": "https://raw.githubusercontent.com/ianare/exif-samples/master/jpg/gps/DSCN0012.jpg",
    "hashes": {
      "ahash": "e4fae8c01e0e0000",
      "dhash": "0c168a9174dce2be",
      "phash": "f1f136161a62d393",
      "whash": "eefaf8d03e1e1202"
    },
    "input": {
      "animated": false,
      "bytes": 159137,
      "format": "jpeg",
      "frames": 1,
      "has_alpha": false,
      "height": 480,
      "width": 640
    },
    "likely_same": false,
    "similarity": {
      "ahash": 0.7031,
      "dhash": 0.4688,
      "phash": 0.4688,
      "whash": 0.6875
    },
    "source_url": "https://raw.githubusercontent.com/ianare/exif-samples/master/jpg/gps/DSCN0012.jpg"
  },
  "final_url": "https://raw.githubusercontent.com/ianare/exif-samples/master/jpg/gps/DSCN0010.jpg",
  "hashes": {
    "ahash": "fcffffb310160040",
    "dhash": "313c1d66e2e4e595",
    "phash": "cedbd88c49eaf808",
    "whash": "fcfffff310340000"
  },
  "input": {
    "animated": false,
    "bytes": 161713,
    "format": "jpeg",
    "frames": 1,
    "has_alpha": false,
    "height": 480,
    "width": 640
  },
  "notes": [],
  "operation": "hash",
  "source": {
    "library": "Pillow",
    "license": "MIT-CMU (HPND)",
    "url": "https://python-pillow.org"
  },
  "source_url": "https://raw.githubusercontent.com/ianare/exif-samples/master/jpg/gps/DSCN0010.jpg"
}

Call it from code

The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.002.

curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://tanod.dev/v1/image/hash' \
  -H 'content-type: application/json' \
  --data-raw '{"compare_url":"https://raw.githubusercontent.com/ianare/exif-samples/master/jpg/gps/DSCN0012.jpg","url":"https://raw.githubusercontent.com/ianare/exif-samples/master/jpg/gps/DSCN0010.jpg"}'

# x402 v2 sends the challenge base64-encoded in the PAYMENT-REQUIRED header (v1 sends it in the body).
# To read the header:
curl -sS -g -o /dev/null -D - -X POST 'https://tanod.dev/v1/image/hash' \
  -H 'content-type: application/json' \
  --data-raw '{"compare_url":"https://raw.githubusercontent.com/ianare/exif-samples/master/jpg/gps/DSCN0012.jpg","url":"https://raw.githubusercontent.com/ianare/exif-samples/master/jpg/gps/DSCN0010.jpg"}' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode
JavaScript: pay and call
// npm i @x402/fetch @x402/evm viem
import { wrapFetchWithPayment, x402Client } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

// Pays at most $0.002 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.002" });
registerExactEvmScheme(client, { signer: privateKeyToAccount(process.env.EVM_PRIVATE_KEY) });
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? ToolVet checks it first for $0.005. Pay for that from a separate
// client: this one is capped at $0.002 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Ftanod.dev%2Fv1%2Fimage%2Fhash&method=POST
const res = await pay("https://tanod.dev/v1/image/hash", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "compare_url": "https://raw.githubusercontent.com/ianare/exif-samples/master/jpg/gps/DSCN0012.jpg",
    "url": "https://raw.githubusercontent.com/ianare/exif-samples/master/jpg/gps/DSCN0010.jpg"
  }),
});
console.log(res.status, await res.text());
Python: pay and call
# pip install "x402[requests,evm]"
import os
from eth_account import Account
from x402 import x402ClientSync
from x402.http.clients import x402_requests
from x402.mechanisms.evm import EthAccountSigner
from x402.mechanisms.evm.exact.register import register_exact_evm_client

# Pays at most $0.002 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.002"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.post(
        "https://tanod.dev/v1/image/hash",
        json={
            "compare_url": "https://raw.githubusercontent.com/ianare/exif-samples/master/jpg/gps/DSCN0012.jpg",
            "url": "https://raw.githubusercontent.com/ianare/exif-samples/master/jpg/gps/DSCN0010.jpg",
        },
    )
    print(res.status_code, res.text)

Security scan

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Recent checks

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