Columbia Bank

Columbia API Banking

First-party commercial and treasury-management API product from Columbia Bank, providing programmatic access to banking data and operations for integration with financial software and ERP platforms. Documented capabilities include book transfers, ACH file imports, positive pay, stop-payment and NSF management, new account requests, lockbox management, transaction and statement retrieval, check images, and real-time account balances, with responses available in JSON and XML. A production-ready SDK (source code and sample apps) and the gated Columbia API Portal provide documentation and an event log for debugging. No public OpenAPI/Swagger specification or public base URL was found; technical reference lives behind the Columbia API Portal.

GitHub

Documentation

📖
Documentation
https://www.columbiabank.com/commercial/api-banking/
📖
Documentation
https://www.columbiabank.com/commercial/api-banking/developer-tools/

Other Resources

🔗
APIsJSON
https://raw.githubusercontent.com/api-evangelist/columbia-banking/refs/heads/main/apis.yml

API entry from apis.yml

apis.yml Raw ↑ 
aid: columbia-banking:columbia-api-banking
name: Columbia API Banking
description: First-party commercial and treasury-management API product from Columbia Bank, providing
  programmatic access to banking data and operations for integration with financial software and ERP platforms.
  Documented capabilities include book transfers, ACH file imports, positive pay, stop-payment and NSF
  management, new account requests, lockbox management, transaction and statement retrieval, check images,
  and real-time account balances, with responses available in JSON and XML. A production-ready SDK (source
  code and sample apps) and the gated Columbia API Portal provide documentation and an event log for debugging.
  No public OpenAPI/Swagger specification or public base URL was found; technical reference lives behind
  the Columbia API Portal.
humanURL: https://www.columbiabank.com/commercial/api-banking/
tags:
- Commercial Banking
- Treasury Management
- Payments
- ACH
properties:
- type: Documentation
  url: https://www.columbiabank.com/commercial/api-banking/
- type: Documentation
  url: https://www.columbiabank.com/commercial/api-banking/developer-tools/