x402 trading signal API for Polymarket - detect mispriced correlations between prediction markets
Scanned 2/12/2026
Install via CLI
openskills install openclaw/skills---
name: polyedge
description: x402 trading signal API for Polymarket - detect mispriced correlations between prediction markets
metadata: {"clawdbot":{"emoji":"⚡"}}
---
# PolyEdge
**The first x402 trading signal API for prediction markets.**
Detect mispriced correlations between Polymarket events. Pay with USDC on Base, get alpha.
## Quick Start
```bash
# 1. Request analysis (get 402 + payment instructions)
curl https://api.nshrt.com/api/v1/correlation?a=<slug-a>&b=<slug-b>
# 2. Pay 0.05 USDC to the wallet address on Base L2
# 3. Retry with payment proof
curl -H "X-Payment: 0x<tx_hash>" \
"https://api.nshrt.com/api/v1/correlation?a=<slug-a>&b=<slug-b>"
```
## Endpoints
| Endpoint | Price | Description |
|----------|-------|-------------|
| `GET /` | Free | API info |
| `GET /health` | Free | Health check |
| `GET /dashboard` | Free | Activity dashboard |
| `GET /api/v1/correlation?a=&b=` | $0.05 USDC | Correlation analysis |
## Payment
- **Network:** Base L2
- **Asset:** USDC
- **Price:** $0.05 per request
- **Protocol:** x402
- **Window:** 1 minute per payment
## Response Format
```json
{
"market_a": { "question": "...", "yes_price": 0.72 },
"market_b": { "question": "...", "yes_price": 0.45 },
"analysis": {
"pattern_type": "category",
"expected_price_b": 0.61,
"mispricing": 0.16,
"confidence": "medium"
},
"signal": {
"action": "BUY_YES_B",
"strength": "strong",
"reason": "Market B underpriced by 16%"
}
}
```
## Signal Types
- `BUY_YES_A/B` - Market underpriced
- `BUY_NO_A/B` - Market overpriced
- `HOLD` - No significant mispricing
- `SKIP` - Markets are mutually exclusive
## Links
- **API:** https://api.nshrt.com
- **Dashboard:** https://api.nshrt.com/dashboard
- **GitHub:** https://github.com/sbaker5/polyedge
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