# API

An API allows software applications to communicate with each other.

## **What does API mean?**

An API, or Application Programming Interface, is a set of rules and tools that allows different software applications to communicate with each other, enabling data exchange and functionality sharing.

## **How can I use Capchase’s API?**

The Capchase API makes it easy for businesses to embed Capchase functionality into other SaaS platforms and workflows, such as your CRM, CPQ, Accounting, or Billing system, for a more unified and automated experience across applications.

Vendors can also use the Capchase API to build flexible payments into their customized digital checkout experience.

## Unmatched flexibility on how and where you use Capchase Pay

Capchase’s integrations make it seamless for your teams and customers to use.

[Explore Capchase’s API documentation](https://capchase.readme.io/) and enable flexible payments in your own checkout.

The ONLY Proposal & Billing Platform with Embedded BNPL.

### Related Terms

[Rule of 40](/content/glossary-item/rule-of-40/index.html)  
A SaaS benchmark stating that revenue growth rate plus profit margin should equal or exceed 40%

[Cap Table (Capitalization Table)](/content/glossary-item/cap-table/index.html)  
The record of company ownership showing who holds equity, at what percentage, and for how much

[Product-Led Growth (PLG)](/content/glossary-item/product-led-growth/index.html)  
A go-to-market strategy where the product itself drives user acquisition, conversion, and expansion.