2s.io

● healthy general

Time-series price (implied-probability) history for a Polymarket outcome token. Pass the CLOB token id and an interval (1h, 6h, 1d, 1w, 1m, max). Returns timestamped price points — for charting how a market's odds moved. Read-only from Polymarket's CLOB. -- reliability 91.0/100 per Paygent Discover

How to call

cURL · x402-fetch / x402-axios will auto-handle 402

curl -X POST https://2s.io

/.well-known/x402.json

https://2s.io/.well-known/x402