For AI agents: visit https://developer.bill.com/llms.txt for an index of all pages formatted in Markdown and endpoints in OpenAPI.
Jump to Content
BILL API documentation
GuidesAPI ReferenceRelease NotesPostman CollectionVideo Tutorials
System StatusBILL API documentation
Release Notes
System Status
GuidesAPI ReferenceRelease NotesPostman CollectionVideo Tutorials
September 16th, 2024
Added

New v3 API endpoints for card account operations

September 16th, 2024
Improved

Payment webhook improvements

September 16th, 2024
Added

New webhook for bill auto-pay

September 16th, 2024
Added

New v3 API endpoint for creating multiple vendors with a single API call

September 16th, 2024
Added

New v3 API endpoint for an MFA step-up API session

September 3rd, 2024
Added

New v3 API endpoints for vendor bank account operations

September 3rd, 2024
Added

New v3 API endpoint for getting funding account permissions

September 3rd, 2024
Added

New v3 API endpoint for getting a list of MFA phone numbers

September 3rd, 2024
Added

New v3 API endpoint for getting a list of organizations

September 3rd, 2024
Improved

MFA status improvements in the Get API session details endpoint

13 of 18

Developer terms API naming & advertising restrictions Accessibility statement Legal

© 2026 Bill.com, LLC. BILL, the BILL logo, and the “b” logo are trademarks of Bill.com, LLC. All other company names and brands are the property of their respective owners.