# DeepBlue Trading API
> AI-powered crypto trading signals and DeFi research. Pay-per-call with USDC via x402.

## Base URL
https://api.deepbluebase.xyz

## Payment
Protocol: x402 v2 (HTTP 402). Currency: USDC. Networks: Solana mainnet, Base mainnet.
Send payment in 'payment-signature' header as base64-encoded x402 v2 payload.
Active facilitator: https://api.cdp.coinbase.com/platform/v2/x402
Supported facilitators: Coinbase CDP, x402endpoints.online, PayAI

## Endpoints
- GET /signals — Live BTC/ETH/SOL/XRP 5-min trading signals ($0.005)
- GET /performance — Verified Polymarket P&L and win rate ($0.01)
- GET /sentiment — Crypto sentiment composite ($0.01)
- GET /trending — Trending DeFi pools on Base ($0.005)
- GET /price/{token} — Real-time token price ($0.001)
- GET /token/{addr} — Token analysis & risk scoring ($0.01)
- GET /wallet/{addr} — Wallet portfolio scan ($0.01)
- GET /polymarket — Prediction market analytics ($0.01)
- GET /polymarket/markets — Market intelligence feed ($0.01)
- GET /polymarket/5min — 5-min epoch market discovery ($0.01)
- GET /market-snapshot — All-coins snapshot ($0.01)
- GET /market-intel — BTC macro + funding rates ($0.02)
- GET /market-mood — Fear/greed + regime + bias ($0.01)
- GET /whale-moves — Whale movements + exchange flows ($0.02)
- GET /sentiment/composite — Multi-source sentiment ($0.01)
- GET /btc/realtime-signal — Live directional signal ($0.005)
- GET /prediction-markets — Premium bundle ($0.03)
- GET /crypto-sentiment — Premium sentiment bundle ($0.03)
- GET /discover — Search x402 ecosystem ($0.002)

## Free Endpoints
- GET /health — API health + dependency checks
- GET /pricing — Pricing table
- GET /.well-known/x402 — Payment discovery
- GET /.well-known/openapi.json — OpenAPI 3.1 spec

## OpenAPI Spec
https://api.deepbluebase.xyz/openapi.json