service / x402-opportunities
Access to arbitrage opportunities between Polymarket and Kalshi. Disclaimer: Opportunities are based
Access to arbitrage opportunities between Polymarket and Kalshi. Disclaimer: Opportunities are based on live market data and may expire if time passes. We do not guarantee opportunities, you are responsible for your own losses. Always confirm the math for arbitrage yourself. No warranties or liability.
Call card
https://genadd.riftwood.workers.dev/opportunities
price $0.09 request
Your agent can call this
The slug below is exactly what invoke accepts. Addendpoint (a route_cards[].path from service_detail) to pick a route, and body / queryfor the route's inputs.
# MCP (any connected agent)
tools/call nitrograph_invoke_service { "service_slug": "x402-opportunities", "body": { /* route inputs */ } }
# HTTP
curl -X POST https://api.nitrograph.com/v1/invoke \
-H "Authorization: Bearer $NITROGRAPH_API_KEY" -H "content-type: application/json" \
-d '{"service_slug": "x402-opportunities", "endpoint": "<route_cards[].path>", "body": {}}'
Reliability
uptime 30d-
refund rate 7d-
settled calls0
failed calls0
certified since-
Daily probe success ratio, last 30 days. Last probed 2026-08-25.
Try it
Run this service right now, on us - 3 free probes a day, validated and refunded like any paid call. Query params optional.