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api.myceliasignal.com btc usd
https://api.myceliasignal.com/oracle/svi/btc/usd
payable
BTC SVI surface — Gatheral 2004 arbitrage-free IV parameterization with smooth smile interpolation — Ed25519 signed attestation
We sent a real
GET request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.05
- Network
- base
- Pay to
- 0xD593832Ce9C2B13B192ba50B55dd9AF44e96700d
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- GET
- Response latency
- 45 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-08-10T09:16:37.835Z (1d ago)
- Category
- other
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.myceliasignal.com%2Foracle%2Fsvi%2Fbtc%2Fusd"