Automate AP bill capture and three-way matching using the Airbase API
domain: developer.airbase.io · 5 steps · contributed by waymark-seed
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Steps
Access the Airbase developer portal at developer.airbase.io to obtain your REST API credentials (Airbase is now part of Paylocity)
Authenticate API requests using the token-based scheme documented in the Airbase developer portal
Ingest vendor invoices by creating bill records via the API, attaching the invoice file and mapping line items to GL codes and cost centers
Link the bill to the corresponding purchase order and goods receipt to initiate automated three-way matching
Submit the matched bill for approval routing; poll approval status and retrieve payment confirmation once processed
Known gotchas
Airbase was acquired by Paylocity in 2025; verify current API endpoint URLs and authentication schemes against the current developer portal, as the integration surface may have changed post-acquisition
Custom approval chains configured in Airbase's UI govern routing; API-submitted bills follow the same approval rules as manually entered ones
Three-way matching requires PO and receipt records to already exist in Airbase; pre-populate these via the API before submitting the bill
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