intents

Image Provenance Intent

Two reverse-image passes on one image URL: Google Lens visual matches and Google exact matches, so a verification agent sees both similarity and provenance.

GET/api/public/v1/image-provenance

price: $0.010
atomic: 10000
free tier: 3 calls / agent
chain: base mainnet
asset: USDC
scheme: exact

agent brief

Give an image URL, get visual matches and pages hosting the exact image.

engine: · results key: results · settlement: USDC / base / exact

use this when you need to

-Misinformation and provenance checks
-Copyright and reuse tracing
-Identify a product from a photo

query parameters

name	type	required	description
network	base \| base-sepolia	no · default "base"	Payment network. base-sepolia returns mock data for testing.
image_url	string	yes	Publicly reachable image URL
hl	string	no · default "en"	Interface language code

call it — curl

bash

# Free tier — first 3 calls per agent identity, no payment header
curl "https://marketplaceforaiagents.com/api/public/v1/image-provenance?image_url=https://picsum.photos/600"

# Sandbox — signed testnet USDC, mock response, no real spend
curl "https://marketplaceforaiagents.com/api/public/v1/image-provenance?image_url=https://picsum.photos/600&network=base-sepolia" \
  -H "X-PAYMENT: <base64 signed base-sepolia USDC authorization>"

# Production — signed x402 payment header, real data
curl "https://marketplaceforaiagents.com/api/public/v1/image-provenance?image_url=https://picsum.photos/600" \
  -H "X-PAYMENT: <base64 signed USDC authorization>"

call it — typescript + x402-fetch

typescript

import { wrapFetchWithPayment } from "x402-fetch";
import { privateKeyToAccount } from "viem/accounts";

const account = privateKeyToAccount(process.env.AGENT_PRIVATE_KEY as `0x${string}`);
const fetchWithPayment = wrapFetchWithPayment(fetch, account);

const res = await fetchWithPayment(
  "https://marketplaceforaiagents.com/api/public/v1/image-provenance?image_url=https://picsum.photos/600"
);
const data = await res.json();
console.log(data.results);

response — 200 ok

application/json

{
  "intent": "image-provenance",
  "chain": [
    "google-lens",
    "google-reverse-image"
  ],
  "steps_run": 2,
  "results": {
    "google-lens": {
      "note": "Normalized response of /api/public/v1/google-lens"
    },
    "google-reverse-image": {
      "note": "Normalized response of /api/public/v1/google-reverse-image"
    }
  }
}

status codes

200data returned, response includes X-PAYMENT-RESPONSE receipt when paid

400missing or invalid required parameters

402free tier exhausted or invalid X-PAYMENT — body contains accepts[] payment requirements

404unknown endpoint slug

429upstream rate limit — retry with backoff

500upstream or settlement error