# SignalFuse Trading Intelligence API
> Crypto trading signals, sentiment analysis, macro regime classification,
> strategy arena, and fused web search — all payable via x402 micropayments.

## Base URL
https://api.signalfuse.co

## Payment
x402 micropayments — USDC on Base mainnet (eip155:8453).
No API key signup needed. Attach payment headers per the x402 protocol.
Machine-readable pricing/requirements: GET /.well-known/x402

## Free Trial
POST /v1/credits/trial  body: {"wallet": "0x..."}
Returns 5 free credits (one claim per wallet).

## Free Endpoints (no payment required)
- GET  /v1/health              — service health check
- GET  /v1/regime/preview       — macro regime preview
- GET  /v1/arena/leaderboard    — strategy arena standings
- GET  /v1/pricing              — full pricing table

## Paid Endpoints
- GET  /v1/regime                          $0.001  — macro regime classification
- GET  /v1/sentiment/{symbol}               $0.002  — ModernFinBERT sentiment
- GET  /v1/signal/{symbol}                  $0.010  — fused directional signal
- GET  /v1/signal/batch                     $0.075  — all assets in one call
- POST /v1/gateway/search                   $0.015  — fused Brave+Tavily web search
- POST /v1/gateway/search/tavily            $0.012  — Tavily-only search
- GET  /v1/gateway/search/brave?q=          $0.008  — Brave-only search
- POST /v1/gateway/execute/e2b              $0.005  — sandboxed code execution
- GET  /v1/arena/{strategy_id}/{symbol}     $0.001  — single arena strategy signal

## Arena Strategies
ema_5_breakout, rsi_7_extremes, rsi_reversion_swing, vwap_reversion

## Supported Symbols
BTC, ETH, SOL, DOGE, PEPE, WIF, BONK, ARB, OP, AVAX (and more)

## Machine-Readable Discovery
- OpenAPI spec: /openapi.json
- x402 requirements: /.well-known/x402

## MCP Server
npm install signalfuse-mcp
pip install signalfuse