Agent's First Dollar — What Autonomous Agents Can Buy Right Now

📅 Historical page. This content reflects minia2a as of its publication date and is kept for the record. Current model: x402 pay-per-call in USDC on Base only, 5 free trial calls per signed wallet, no credits and no top-up rail. → See current

⚠️ Update (2026-09-16): of the two endpoints this post tells you to call, only /x402/screenshot is retired — that path returns 404 and is no longer listed. /x402/captcha-solve is live: calling it returns a normal 402 challenge (10¢/call). Commands below that use the screenshot path will not work. For what is live right now, see the catalogue.

The 52-Wallet Problem

minia2a has 64 registered agents with wallets. 52 of them have 500+ credits but have never made a single API call. They signed up, got their free credits, and stopped.

This is not a conversion problem. It's a discovery problem. Agents don't know what they can buy.

Here are 10 concrete API calls an autonomous agent can make right now — no human, free wallet registration for the first 5 calls, no API key. Copy, paste, run.

1. Check Gas Prices

Multi-Chain Gas Price FREE ×15

$0.05/call after trial

14,139 trials · 204 unique users — most popular endpoint

curl https://minia2a.uk/x402/gas

Returns real-time gas prices across Ethereum, Base, Arbitrum, Optimism, and Polygon. Use case: your agent decides the cheapest chain for a transaction before executing it.

2. Verify an On-Chain Fact

Chain Recall — On-Chain Fact Checker FREE ×15

$0.05/call after trial

1,988 trials · 119 users

curl -X POST https://minia2a.uk/x402/recall \
  -H 'content-type: application/json' \
  -d '{"question":"What is the USDC contract address on Base?"}'

Ask factual questions about blockchain addresses, protocols, and on-chain data. Use case: your agent double-checks an address before signing a transaction.

3. Search for Anything

Agent Web Search FREE ×15

$0.05/call after trial

1,292 trials · 100 users

curl -X POST https://minia2a.uk/x402/find \
  -H 'content-type: application/json' \
  -d '{"query":"latest x402 protocol news"}'

Web search designed for agents — returns structured results, not HTML. Use case: your agent needs current information before making a decision.

4. Solve a CAPTCHA

CAPTCHA Solver FREE ×15

$0.05/call after trial

1,203 trials · 133 users

curl -X POST https://minia2a.uk/x402/captcha-solve \
  -H 'content-type: application/json' \
  -d '{"sitekey":"6Le-wvkSAAAAAPBMRTvw0Q4Muexq9bi0DJwx_mJ-","url":"https://example.com"}'

Use case: your agent hits a CAPTCHA wall during web automation — delegates the solve.

5. Get Current Time (with Timezone)

Time Service FREE ×15

$0.01/call after trial

933 trials · 93 users

curl https://minia2a.uk/x402/time

Returns UTC time with timezone conversion. Use case: your agent schedules a meeting across time zones.

6. Check Polymarket Odds

Polymarket Live Data FREE ×15

$0.05/call after trial

865 trials · 100 users

curl https://minia2a.uk/x402/polymarket

Live prediction market prices and volumes. Use case: your trading agent checks market sentiment before placing a bet.

7. Take a Screenshot

Web Screenshot FREE ×15

$0.05/call after trial

381 trials · 24 users

curl -X POST https://minia2a.uk/x402/screenshot \
  -H 'content-type: application/json' \
  -d '{"url":"https://example.com"}'

Renders a full-page screenshot of any URL. Use case: your agent visually verifies a webpage before scraping it.

8. Validate JSON

JSON Schema Validator FREE ×15

$0.01/call after trial

96 trials · 12 users

curl -X POST https://minia2a.uk/x402/json-validate \
  -H 'content-type: application/json' \
  -d '{"schema":{"type":"object"},"data":{"key":"value"}}'

Use case: your agent validates API responses before processing them.

9. Analyze Token Security

Token Security Audit FREE ×15

$0.05/call after trial

154 trials · 43 users

curl -X POST https://minia2a.uk/x402/token-security \
  -H 'content-type: application/json' \
  -d '{"address":"0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48"}'

Checks for honeypots, rug pulls, ownership concentration, and liquidity lock. Use case: your DeFi agent screens tokens before swapping.

10. Generate a UUID

UUID Generator FREE ×15

$0.01/call after trial

348 trials · 41 users

curl https://minia2a.uk/x402/uuid

Returns a v4 UUID. Use case: your agent generates unique IDs for database records or API requests.

How to Go From Trial to Paid

Step 1: Register your agent (10 seconds)

# Sign  minia2a trial:<wallet>:<serviceId>:<unix_ts>  with EIP-191, then send the
# wallet in the query string plus both headers:
TS=$(date +%s)
curl "https://minia2a.uk/x402/gas?wallet=0xYOUR_WALLET" \
  -H "X-Wallet-Signature: 0xYOUR_SIGNATURE" \
  -H "X-Trial-Timestamp: $TS"

# https://minia2a.uk/register.html signs for you and prints this exact curl.

→ 5 free trial calls, no registration -- you sign with the wallet you already hold

Step 2: Spend credits

export WALLET=0xYOUR_WALLET SERVICE=x402-gas TS=$(date +%s)
export SIG=0xYOUR_SIGNATURE   # EIP-191 personal_sign of: minia2a trial:$WALLET:$SERVICE:$TS
curl "https://minia2a.uk/x402/gas?wallet=$WALLET" \
  -H "X-Wallet-Signature: $SIG" -H "X-Trial-Timestamp: $TS"

→ Credits deducted automatically. See remaining: credits_remaining in response.

Step 3: When credits run out, buy more

curl https://minia2a.uk/x402/gas -H 'x-402-amount: 5'

→ Returns payment instructions. Send USDC on Base. Auto-refilled.

For Claude Code Users: Agent-Ready in 30 Seconds

Install MCP server:

npx -y minia2a-mcp

→ 6 tools available: list_services, get_service, get_stats, register, call_service, check_endpoint

Create budget file:

echo '{"daily_limit_usdc":5,"max_per_call_usdc":1}' > .agent-budget

→ Your agent now has spending permission with hard caps

Test auto-mode readiness:

curl -s https://minia2a.uk/auto-mode-check | bash -s -- https://your-api.com/endpoint

The $50B Gap

The x402 protocol has processed $50 billion in volume. 200 million transactions. But almost all of it is human-delegated — a person telling an agent "go buy this." The 2.2% credit utilization rate on minia2a tells the same story: agents have money, but they don't know what to spend it on.

Autonomous spending — an agent deciding on its own that an API is worth paying for — is the frontier. It's what Aug 14 auto mode unlocks. And it starts with agents knowing what's available.

🧪 5 free trial calls. No wallet. No signup.

curl https://minia2a.uk/x402/gas

306 services · Auto-mode ready · Browse all →