x402 · Base · USDC

API documentation

Paid, machine-readable market diagnostics for autonomous agents and quantitative applications.

Endpoints

Smart Market Scan

1.65 USDC / call

GET /api/combined

MEXC liquidity universe · 1h + 4h · breakout + accumulation · Binance fallback

Coinbase bStocks Quant

2.50 USDC / call

GET /api/coinbase-bstocks

Basis · z-score · net edge · liquidity · funding · invalidation

Agent quick start

1. GET the endpoint without payment.

2. Read the x402 requirements from the HTTP 402 response.

3. Authorize exactly the requested USDC amount on Base.

4. Replay the identical request with the x402 payment proof.

The first unpaid request returns HTTP 402 and x402 payment requirements. Sign the exact USDC payment, then replay the same request with the payment proof.

Requests

GET https://agent.smart-scan.xyz/api/combined?limit=80&maxResults=10
GET https://agent.smart-scan.xyz/api/coinbase-bstocks?maxResults=10

Response contract

Smart Market Scan

universe reports screened, liquidity-eligible, analyzed and failed pairs. Each match includes source, 24h quote volume, 1h confirmation, 4h primary diagnostic, freshness, score, evidence and invalidation.

bStocks Quant

Each match includes executable basis, estimated net edge, historical z-score, 24h liquidity, funding, 1h/4h/1d trend, explicit invalidation and source timestamp.

Operational boundaries

Machine-readable resources