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x402tap.com api prediction-arb
https://x402tap.com/api/prediction-arb
answers 402
Find prediction-market questions priced differently on Polymarket vs. Kalshi — a cross-platform divergence signal built from data no single-platform competitor has
We sent a real
GET request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.005
- Network
- base
- Pay to
- 0xB810B599bc730Aa85800BABe7f5d160524322C86
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- GET
- Response latency
- 156 ms
- Payment options
- 4 usable of 4
- Last checked
- 2026-09-06T01:12:49.748Z (23d ago)
- Category
- finance-crypto
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fx402tap.com%2Fapi%2Fprediction-arb"