Added
New developer tutorials on YouTube
November 18th, 2025
We have added two new developer tutorials in the BILL API Platform for developers YouTube playlist. See the BILL API Platform for developers playlist for the complete set of developer tutorials.
BILL API Platform authentication
In this tutorial, we walk through everything you need to authenticate with the BILL API Platform.
You’ll learn how to:
- Generate your developer key (
devKey) - Find your organization ID (
organizationId) - Use AP & AR sync token as a BILL app partner
- Use a console token for multi-org or accounting firm access
- Generate a BILL Spend & Expense API token for the Spend & Expense API
Bill approvals and S&E 3DS challenge integration example
In this tutorial, we walk you through real-time bill approvals, document fetching, and handling Spend & Expense 3DS authentication flows in your existing systems.