the402 endpoint detail

← All endpoints

x402-stock-indicators.vercel.app prediction-markets

https://x402-stock-indicators.vercel.app/prediction-markets

answers 402

Prediction market odds in one call: keyword search across Polymarket AND Kalshi simultaneously -- no other market-data API aggregates both -- returning each match's live, real-money-backed outcome probabilities, volume, and close date. Crowd-sourced forecasts for Fed decisions, elections, and macro events often beat polls and analyst surveys; pairs naturally with this API's own FOMC/economic calen

We sent a real GET request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.03
Network
base
Pay to
0xe4181c7de066959bcca010525304ba68a84768e0
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
GET
Response latency
199 ms
Payment options
2 usable of 2
Last checked
2026-08-15T14:28:43.573Z (3d ago)
Category
search

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fx402-stock-indicators.vercel.app%2Fprediction-markets"