For AI agents: visit https://developer.bill.com/llms.txt for an index of all pages formatted in Markdown and endpoints in OpenAPI.
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v2
Guides
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Release Notes
Postman Collection
Video Tutorials
December 11th, 2025
Added
New webhook for AR invoices
December 8th, 2025
Improved
BILL widgets release 2025-12-08
December 5th, 2025
Added
New v3 API endpoints for customer bank accounts
December 5th, 2025
Improved
Vendors API improvements
November 21st, 2025
Improved
BILL widgets release 2025-11-21
November 18th, 2025
Added
New developer tutorials on YouTube
November 5th, 2025
Improved
Spend & Expense Transactions API improvements
November 5th, 2025
Improved
Invoices API improvements
November 5th, 2025
Improved
BILL widgets release 2025-11-05
November 5th, 2025
Improved
Invoice attachment API improvements
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