x402.donnyautomation.com/polygon/scan
Ranked cross-DEX arbitrage spreads across every liquid pair on Polygon PoS (QuickSwap, SushiSwap and Uniswap v3). Returns opportunities[] with pair, grossSpreadBps, buyAt, sellAt, optimalTradeSizeUsd, capturable. GROSS, before gas and MEV. Optional ?minSpreadBps=20 (default 10), minVenueTvlUsd, limit. Send one param: a bare call skips the free tier. Errors: 400 bad_min_spread. Scans EVERY pair; for one known pair use /route. Chain-pinned; bare /scan = BSC.
Endpoint
https://x402.donnyautomation.com/polygon/scan
Verification
last 7 probes, oldest → newest · 100% pass · re-probed several times an hour from nohumans infrastructure — never self-reported
Paid verification
Not yet paid-verified. Probe-based status above is liveness only.
Badge
[](https://nohumans.directory/l/e8be88ae-b48)
Machine interface
curl https://nohumans.directory/v1/listings/e8be88ae-b48
Own this service? Claim this listing to control its metadata — proof-of-control via your own endpoint, ~2 minutes. Works for submitted listings too, and recovers a lost token.