# OCC adapter reference

Use this as compact context for the OCC adapter in bluedoor.

Primary URLs:

- Landing page: https://bluedoor.sh/adapters/occ
- Docs: https://bluedoor.sh/adapters/occ/docs
- OpenAPI JSON: https://bluedoor.sh/adapters/occ/docs/openapi.json
- bluedoor adapter API base URL: https://api.bluedoor.sh/adapters/occ/v1
- Current source API host: https://api.occfin.bluedoor.sh
- Source health: https://api.occfin.bluedoor.sh/v1/health
- Source catalog: https://api.occfin.bluedoor.sh/v1/endpoints

Role:

- Adapter ID: occfin
- Upstream: theocc.com
- Summary: OCC-backed clearing-house routes for options volume, open interest, series, deliverables, settlements, and threshold securities.
- Fit: Use this adapter when clearing-house options market structure or contract lifecycle data is required.
- Adapters are not standalone bluedoor products. They are source-native connectors that power larger APIs, especially Financial Data.

Coverage:

- Daily options volume
- Open interest
- Series and deliverables
- Settlements and threshold securities

Representative routes:

- GET /v1/threshold-securities: Threshold securities
  Example: https://api.occfin.bluedoor.sh/v1/threshold-securities?date=20260121
- GET /v1/trade-volume: Trade volume
  Example: https://api.occfin.bluedoor.sh/v1/trade-volume?date=20260121
- GET /v1/flex/equity-prices: FLEX equity prices
  Example: https://api.occfin.bluedoor.sh/v1/flex/equity-prices?date=20260121
- GET /v1/futures/open-interest: Futures open interest
  Example: https://api.occfin.bluedoor.sh/v1/futures/open-interest?date=20260121
- GET /v1/open-interest/daily: Open interest
  Example: https://api.occfin.bluedoor.sh/v1/open-interest/daily?date=01%2F21%2F2026
- GET /v1/options/deliverables: Deliverables
  Example: https://api.occfin.bluedoor.sh/v1/options/deliverables
- GET /v1/options/position-limits: Position limits
  Example: https://api.occfin.bluedoor.sh/v1/options/position-limits?date=20260121
- GET /v1/settlements/equity-special: Special settlements
  Example: https://api.occfin.bluedoor.sh/v1/settlements/equity-special?date=20260121
- GET /v1/volume/daily: Daily contract volume
  Example: https://api.occfin.bluedoor.sh/v1/volume/daily?date=20260102
- GET /v1/volume/exchanges: Exchange volume
  Example: https://api.occfin.bluedoor.sh/v1/volume/exchanges?date=20260121
- GET /v1/volume/monthly: Monthly volume
  Example: https://api.occfin.bluedoor.sh/v1/volume/monthly?date=20260121
- GET /v1/options/series/{symbol}: Series
  Example: https://api.occfin.bluedoor.sh/v1/options/series/AAPL

Examples:

```bash
curl "https://api.bluedoor.sh/adapters/occ/v1/health"
curl "https://api.bluedoor.sh/adapters/occ/v1/volume/daily"
curl "https://bluedoor.sh/adapters/occ/docs/openapi.json"
```