the402 endpoint detail

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api.speccy.cloud predictions polymarket

https://api.speccy.cloud/v1/predictions/polymarket

answers 402

Top Polymarket prediction markets by 24h volume. Returns up to 50 markets with id, question, slug, volume, volume24hr, liquidity, endDate, outcomes and outcomePrices.

We sent a real GET request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.01
Network
base
Pay to
0x0Cb12Df486381A0EBeBc0EF338dA80657f68f9cB
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
GET
Response latency
473 ms
Payment options
1 usable of 1
Last checked
2026-09-06T01:12:15.538Z (31d ago)
Category
finance-crypto

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.speccy.cloud%2Fv1%2Fpredictions%2Fpolymarket"