Run your own indexer (don’t rely on public API for production).
Freshness: refetch order right before filling; check orderExpiryTimestamp.
orderExpiryTimestamp
Slippage/Drift: re-price UX; handle maker order exhaustion.
Decimals: USDC 6dp; strikes/prices 8dp; rounding down contracts.
Referrer: unique address; pass to every fillOrder(); portfolio filtering uses referrer.
fillOrder()
referrer
Retries & Backoff on /update and portfolio fetches.
/update
Event Subscriptions: watch OrderFilled, option deployments, and settlement events.
OrderFilled
Error UX: authorization, allowance, balance, expiry, signature mismatch.
Security: validate inputs; never trust client-only calc for funds-moving ops.
Monitoring: on-chain lag, API health, quote freshness, failure alerts.
Versioning: pin ABIs & contract addresses; document migrations.
Last updated 6 days ago
