# Optimal Blue Product & Pricing APIs (divested to Constellation)

**Canonical:** https://apis.io/apis/black-knight/optimal-blue-ppe/  
**Provider:** Black Knight (Acquired by ICE — Now ICE Mortgage Technology) — https://apis.io/providers/black-knight/  
**Documentation:** https://digitalmarketplace.optimalblue.com

Optimal Blue Product & Pricing APIs (divested to Constellation) is one of 9 APIs that [Black Knight (Acquired by ICE — Now ICE Mortgage Technology)](https://apis.io/providers/black-knight/) publishes on the [APIs.io](https://apis.io/) network. This API exposes 2 JSON Schema definitions. Tagged areas include Secondary Marketing, Product Pricing Engine, Rate Lock, Optimal Blue, and Divested. The published artifact set on APIs.io includes API documentation, authentication docs, and 2 JSON Schemas.

Optimal Blue's Product & Pricing Engine (PPE) generates eligible products and pricing for any user in any format and automates loan creation, locking, post-lock management, and secondary / lock-desk workflows. Originally acquired by Black Knight in 2020, Optimal Blue was divested to Constellation Software's Perseus Operating Group in September 2023 as a condition of FTC clearance for the ICE / Black Knight deal. APIs now live at digitalmarketplace.optimalblue.com under OAuth 2.0, with claimed search-request averages under 1 second across "millions of calls daily."

## Machine-readable artifacts (7)

- **DeveloperPortal** — https://digitalmarketplace.optimalblue.com
- **Documentation** — https://www2.optimalblue.com/api
- **Authentication** — https://www2.optimalblue.com/api
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/black-knight/refs/heads/main/json-schema/optimal-blue-pricing-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/black-knight/refs/heads/main/json-schema/optimal-blue-lock-schema.json
- **Examples** — https://raw.githubusercontent.com/api-evangelist/black-knight/refs/heads/main/examples/optimal-blue-pricing-example.json
- **Examples** — https://raw.githubusercontent.com/api-evangelist/black-knight/refs/heads/main/examples/optimal-blue-lock-example.json

## Other Black Knight (Acquired by ICE — Now ICE Mortgage Technology) APIs (8)

- [MSP DX (Direct Exchange) APIs](https://apis.io/apis/black-knight/msp-dx/)
- [Servicing Digital / Promise To Pay APIs](https://apis.io/apis/black-knight/servicing-digital/)
- [LoanSphere Default, Document & Decisioning Suite](https://apis.io/apis/black-knight/loansphere/)
- [Empower LOS APIs](https://apis.io/apis/black-knight/empower-los/)
- [Encompass Developer Connect (sibling product under ICE)](https://apis.io/apis/black-knight/encompass-developer-connect/)
- [Optimal Blue Loan Trading APIs (Resitrader)](https://apis.io/apis/black-knight/optimal-blue-trading/)
- [Optimal Blue Business Intelligence APIs](https://apis.io/apis/black-knight/optimal-blue-business-intelligence/)
- [Optimal Blue Broker Pricing APIs (Loansifter)](https://apis.io/apis/black-knight/optimal-blue-broker-pricing/)

## Tags

Secondary Marketing, Product Pricing Engine, Rate Lock, Optimal Blue, Divested

---

Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/black-knight/optimal-blue-ppe/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/black-knight/.