Data Vendors Slice 2 local
Browser → origin API only. Vendor keys stay in sandbox/onos-api/.env.
- Hyperliquid — live public perps mids (no key)
- PYTH — live prices via origin; prefer Douro +
PYTH_API_KEYbefore 2026-08-18 - DERIBIT — live public OI / funding / put-call; liquidations deferred; Client ID/Secret optional
- DefiLlama — live TVL / stablecoin MC / DEX volume (free, no key)
- Frankfurter — live FX pairs (ECB); metals/energy still mock
- GDELT / DELTA — stub until
GDELT_API_BASE(+ key) when quota resets
Sparse ceiling: max one vendor-class refresh per day @ 08:30 ET. Details in SOURCE-OF-TRUTH.md.