Exif

{
  "bytesRead": 262144,
  "camera": {
    "lens": "EF24-70mm f/2.8L II USM",
    "make": "Canon",
    "model": "Canon EOS 5D Mark III",
    "software": "Adobe Photoshop 25.0"
  },
  "checkedAt": "2026-10-13T09:00:00.000Z",
  "exposure": {
    "aperture": 8,
    "focalLengthMm": 50,
    "iso": 200,
    "shutter": "1/125"
  },
  "finalUrl": "https://raw.githubusercontent.com/ianare/exif-samples/master/jpg/gps/DSCN0010.jpg",
  "format": "jpeg",
  "gps": {
    "altitudeM": 11,
    "latitude": 51.5007,
    "longitude": -0.1246,
    "mapsUrl": "https://www.google.com/maps?q=51.5007,-0.1246"
  },
  "hasExif": true,
  "hasGps": true,
  "height": 3840,
  "note": "EXIF times carry no time zone and are read as UTC. Only the first 256 KB of the file is read.",
  "orientation": 1,
  "takenAt": "2019-05-01T10:12:44.000Z",
  "url": "https://raw.githubusercontent.com/ianare/exif-samples/master/jpg/gps/DSCN0010.jpg",
  "width": 5760
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://api.sitecheck-api.workers.dev/api/exif?url=https%3A%2F%2Fraw.githubusercontent.com%2Fianare%2Fexif-samples%2Fmaster%2Fjpg%2Fgps%2FDSCN0010.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 - 'https://api.sitecheck-api.workers.dev/api/exif?url=https%3A%2F%2Fraw.githubusercontent.com%2Fianare%2Fexif-samples%2Fmaster%2Fjpg%2Fgps%2FDSCN0010.jpg' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode

// 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%2Fapi.sitecheck-api.workers.dev%2Fapi%2Fexif
const res = await pay("https://api.sitecheck-api.workers.dev/api/exif?url=https%3A%2F%2Fraw.githubusercontent.com%2Fianare%2Fexif-samples%2Fmaster%2Fjpg%2Fgps%2FDSCN0010.jpg");
console.log(res.status, await res.text());

# 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.get("https://api.sitecheck-api.workers.dev/api/exif?url=https%3A%2F%2Fraw.githubusercontent.com%2Fianare%2Fexif-samples%2Fmaster%2Fjpg%2Fgps%2FDSCN0010.jpg")
    print(res.status_code, res.text)