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api.hergertsynthora.com v1 polymarket-whales
https://api.hergertsynthora.com/v1/polymarket-whales
answers 402
Live whale-tracking on Polymarket: the latest large trades (default >= 5000 USD, tunable via min_usd) with wallet, side, outcome, size, price, USD value, market title/slug and tx hash, straight from Polymarket public trades data API. Built for prediction-market agents that track smart money before trading. No charge on service failure. Ed25519-signed. $0.15 USDC per call via x402 on Base. Free tri
We sent a real
POST request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.15
- Network
- base
- Pay to
- 0xEf879BFD6C4AccB8F795136de90246e1EC245e06
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 178 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-09-06T01:14:34.276Z (2h ago)
- Category
- finance-crypto
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.hergertsynthora.com%2Fv1%2Fpolymarket-whales"