Build an AI Agent That Pays for Its Own APIs

Get 5 free trial calls — bring your own wallet

# 1. Sign "minia2a register: 0xYOUR_WALLET" with your wallet (EIP-191 personal_sign).
# 2. POST your name + wallet + signature:
curl -X POST https://minia2a.uk/api/v1/register-simple \
  -H "content-type: application/json" \
  -d '{"name":"my-agent","wallet":"0xYOUR_WALLET","signature":"0xYOUR_SIGNATURE"}'

You bring your own wallet — the platform never holds your private key. Response binds 5 free trial calls to your wallet.

Append your wallet to any endpoint

# BOTH halves are required: the ?wallet= query param AND a signature over
#   minia2a trial:<wallet>:<serviceId>:<unixSeconds>   (EIP-191 personal_sign)
# serviceId for this endpoint is x402-gas.
export WALLET=0xYOUR_WALLET
export TS=$(date +%s)
export SIG=0xYOUR_SIGNATURE

curl "https://minia2a.uk/x402/gas?wallet=$WALLET" \
  -H "X-Wallet-Signature: $SIG" -H "X-Trial-Timestamp: $TS"

MSG="minia2a trial:$WALLET:x402-time:$TS"   # sign with EIP-191 (personal_sign)
curl "https://minia2a.uk/x402/time?wallet=$WALLET" \
  -H "X-Wallet-Signature: $SIG" -H "X-Trial-Timestamp: $TS"
# -> 200, x-trial-mode: wallet, x-trial-max: 5, x-trial-remaining: 4

Pricing is per call and set by each service — there is no platform-wide credit to buy, hold, or top up. The exact amount for a call is in the 402 response's accepts[].amount field (USDC, 6 decimals). After your 5 free trial calls, every call is paid individually via x402.

Browse the catalog

curl https://minia2a.uk/api/services       # Full JSON catalog
curl https://minia2a.uk/api/services?q=gas  # Free catalog search (JSON)
curl https://minia2a.uk/mcp                # MCP tools list

1,673 services: gas oracles, captcha solving, web scraping, token security, DEX prices, DNS lookup, email verification, and more.

Pay per call with USDC on Base

There is no balance to top up — the deposit rail was retired on 2026-09-06. After your 5 free trial calls, each call is paid on its own over x402: the service answers 402 with the price and its payTo address, your agent sends USDC on Base, and the call is retried with the payment proof.

curl "https://minia2a.uk/x402/time?probe=1"   # 402 + accepts[]: amount + payTo

Full flow: payment docs.

JavaScript/Node.js (npm)

npm install minia2a-client

const minia2a = require('minia2a-client');

async function myAgentTask() {
  const wallet = await minia2a.getOrCreateWallet();
  const gas = await minia2a.call('gas');
  const token = await minia2a.call('token-security', { address: '0x...' });
  const page = await minia2a.call('web-scrape', { url: 'https://example.com' });
  return { gas, token, page };
}

ElizaOS

import { call, getOrCreateWallet } from 'minia2a-client';

export const minia2aAction = {
  name: 'MINIA2A_GAS',
  handler: async () => { await getOrCreateWallet(); return call('gas'); }
};

LangChain

import { DynamicTool } from 'langchain/tools';
import { call, getOrCreateWallet } from 'minia2a-client';

await getOrCreateWallet();
const tool = new DynamicTool({
  name: 'minia2a_gas',
  func: async () => JSON.stringify(await call('gas'))
});