Companies Search

{
  "data": {
    "companies": [
      {
        "category": "Sportswear Store",
        "country": null,
        "entityType": "PERSON_PROFILE",
        "imageUrl": "https://scontent-sea1-1.xx.fbcdn.net/v/t39.30808-1/284964043_10159903868513445_7696353984967674128_n.jpg?stp=dst-jpg_s2…",
        "instagram": {
          "followers": null,
          "username": null,
          "verified": null
        },
        "likes": 39651323,
        "name": "Nike",
        "pageAlias": "nike",
        "pageDeleted": false,
        "pageId": "15087023444",
        "platform": "facebook",
        "verification": "BLUE_VERIFIED"
      }
    ],
    "query": "nike",
    "totalCompanies": 15
  },
  "meta": {
    "creditsCharged": 1,
    "requestId": "req_01example",
    "version": "v1"
  }
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://api.socialfetch.dev/v1/facebook/ad-library/companies/search?query=nike'

# 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.socialfetch.dev/v1/facebook/ad-library/companies/search?query=nike' \
  | 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 $0.014 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.014" });
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 $0.014 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.socialfetch.dev%2Fv1%2Ffacebook%2Fad-library%2Fcompanies%2Fsearch
const res = await pay("https://api.socialfetch.dev/v1/facebook/ad-library/companies/search?query=nike");
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 $0.014 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.014"})
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.socialfetch.dev/v1/facebook/ad-library/companies/search?query=nike")
    print(res.status_code, res.text)