the402 endpoint detail

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api.myceliasignal.com btc price

https://api.myceliasignal.com/oracle/prediction/btc/price

payable

BTC same-day price distribution from Polymarket — median, quantiles (p10-p90), entropy — Ed25519 signed attestation

We sent a real GET request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.25
Network
base
Pay to
0xD593832Ce9C2B13B192ba50B55dd9AF44e96700d
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
GET
Response latency
28 ms
Payment options
1 usable of 1
Last checked
2026-08-10T09:16:34.367Z (1d ago)
Category
finance-crypto

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.myceliasignal.com%2Foracle%2Fprediction%2Fbtc%2Fprice"