Use Basware Purchase-to-Pay APIs to power your purchasing and accounts payable processes. Process your invoices in Basware P2P, transfer them to your accounting system using an API. Import master data through a single point-of-entry into Basware systems. Combine your purchasing and accounts payable processes to automatically validate invoices, whether the purchasing is done in Basware P2P Purchase or in your existing purchasing system.

Get Started

See how you can get started with Basware's Purchase-to-Pay APIs in a few simple steps.

Read the manual

Learn how Basware's purchase-to-pay APIs work and what to keep in mind when implementing your project.

Browse the API reference

Check data fields, structures and methods available in Basware purchase-to-pay APIs. Find descriptions for each available data fields as well as guidance on how to use them.

Leverage prebuilt templates

No need to start from scratch. Leverage our preconfigured API call templates to give you a head start on what to include on your API calls and how to configure them.

Locate the right APIs

Locate the right APIs to support your business scenarios with our API selection guide.

Frequently asked questions

Find answers to common questions our Customers, Partners and Consultants have been asking us about purchase-to-pay APIs.