Built for scale
Access all the power of Rillet through its API.


Build into the ecosystem
Rillet already integrates with hundreds of systems. Expand your reach by accessing Rillet’s network of businesses.
Automate accounting
Get access to automated accounting processes and save days worth of manual effort every month.
Integrate your tools
Have a proprietary internal system? Connect it to Rillet’s API to transfer financial data between systems effortlessly.
Modern and easy-to-use API
While some legacy ERP’s API are stuck ten years back, our engineering team developed this API to ensure smooth integrations with Rillet. Built on REST principles, following best practices for authentication, authorization and error handling – these are just a few reasons why developers like to work with Rillet’s API.

Fully manage your Rillet API
Leverage Rillet’s API to programmatically do any action that a user would do through the UI. All objects can be imported, updated and exported directly through the API, allowing for batch processing.

OpenAPI Specification
Rillet’s API adheres to the OpenAPI Specification, a widely adopted standard providing machine-readable blueprint of all our API functionalities. This greatly improves developer’s experience thanks to the ability to automatically generate integration client code in the modern programming languages.
