For AI agents: the docs index is at https://docs.api.rillet.com/llms.txt. Append .md to any documentation page URL to get its markdown version.
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v4.0
Guides
API Reference
Changelog
February 6th, 2026
Accounts Payable Updated Filters
February 3rd, 2026
Bills, Charges, and Reimbursements Timestamps
February 3rd, 2026
Contract Exchange Rate (V2 only)
February 3rd, 2026
Credit Memo Exchange Rate (V2 only)
February 3rd, 2026
Invoice Exchange Rate (V2 only)
February 3rd, 2026
Journal Entry Exchange Rate (V2 only)
January 30th, 2026
Vendor Timestamps
January 28th, 2026
Journal Entry Timestamps
January 2nd, 2026
Custom Fields API - General Availability (V2 only)
January 2nd, 2026
Customer Fields Improvements
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