# Western Alliance Bank API (Treasury Management)

**Canonical:** https://apis.io/apis/western-alliance/wab-treasury-management-api/  
**Provider:** Western Alliance Bank — https://apis.io/providers/western-alliance/  
**Documentation:** https://developer.westernalliancebank.com/s/

Western Alliance Bank API (Treasury Management) is published by [Western Alliance Bank](https://apis.io/providers/western-alliance/) on the [APIs.io](https://apis.io/) network. Tagged areas include Treasury Management, Open Banking, and Payments. The published artifact set on APIs.io includes API documentation.

Western Alliance Bank's commercial open-banking API lets approved business clients interact directly with WAB systems to access balance and transaction information, retrieve check images, initiate funds transfers, and place stop payments. Documented publicly as an open-banking capability; API specifications and endpoints are gated behind the WAB Developer Hub and issued credentials.

## Machine-readable artifacts (4)

- **Documentation** — https://developer.westernalliancebank.com/s/
- **Documentation** — https://www.westernalliancebancorporation.com/commercial/treasury-management
- **TermsOfService** — https://www.westernalliancebancorporation.com/sites/default/files/2025-05/api-services-terms-conditions.pdf
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/western-alliance/refs/heads/main/apis.yml

## Tags

Treasury Management, Open Banking, Payments

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/western-alliance/wab-treasury-management-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/western-alliance/.