Quickstart

pip install "x402[httpx,evm]"

npm install @x402/axios @x402/evm viem axios

import asyncio
from eth_account import Account
from x402 import x402Client
from x402.http.clients import x402HttpxClient
from x402.mechanisms.evm import EthAccountSigner
from x402.mechanisms.evm.exact.register import register_exact_evm_client

async def main():
    private_key = "0xYOUR_PRIVATE_KEY"  # EVM wallet with USDC on Base
    account = Account.from_key(private_key)

    client = x402Client()
    register_exact_evm_client(client, EthAccountSigner(account))

    async with x402HttpxClient(client) as http:
        response = await http.get(
            "https://socialintel.dev/v1/search",
            params={"category": "Fitness", "country": "US", "limit": 10}
        )
        data = response.json()
        print(f"Found {data['count']} influencers")
        for user in data["results"]:
            print(f"  @{user['username']} — {user.get('public_email', 'no email')}")

asyncio.run(main())

import axios from "axios";
import { x402Client, wrapAxiosWithPayment } from "@x402/axios";
import { ExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

const privateKey = "0xYOUR_PRIVATE_KEY"; // EVM wallet with USDC on Base
const signer = privateKeyToAccount(privateKey);

const client = new x402Client();
client.register("eip155:*", new ExactEvmScheme(signer));

const api = wrapAxiosWithPayment(axios.create(), client);

const response = await api.get("https://socialintel.dev/v1/search", {
  params: { category: "Fitness", country: "US", limit: 10 },
});

console.log(`Found ${response.data.count} influencers`);
response.data.results.forEach((user) => {
  console.log(`  @${user.username} — ${user.public_email || "no email"}`);
});

# Free preview — no payment required
curl "https://socialintel.dev/v1/search?category=Fitness&country=US&demo=true"

# curl cannot complete x402 payment — use Python/Node.js for paid requests