the402 endpoint detail

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api.orcatrace.dev v1 signal

https://api.orcatrace.dev/v1/signal

payable

Paid ($0.01 USDC via x402). One Polymarket feed item: quality-gated mover (vol>=$10k & depth>=$2.5k, +order-book microstructure), whale entry (named whale, with calibration + microstructure), or predetermined signal. Use ?index=N for a specific item, omit for latest. Compute-first / settle-after — you are never charged for an error.

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
0xf444abc53f5e1e73caec7df64d147ddb119514a0
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
GET
Response latency
194 ms
Payment options
1 usable of 1
Last checked
2026-08-10T09:12:36.083Z (1d ago)
Category
search

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