Wave Accounting API
Free accounting software API from Wave (H&R Block owned) offering invoicing, expense tracking, and basic accounting for freelancers and very small businesses. Notably uses GraphQL.
Best When
An agent needs to automate accounting for freelancers or very small businesses already using Wave's free tier, especially for invoice management.
Avoid When
Your users have complex accounting needs, multiple currencies, inventory, or more than a handful of employees.
Use Cases
- • Automating invoice creation and sending for freelancers
- • Reading financial data from Wave for reporting or analysis
- • Syncing customer records between Wave and other systems
- • Expense tracking automation for micro-businesses
- • Building lightweight accounting automation on a zero-budget stack
Not For
- • Businesses needing payroll beyond basic (limited payroll features)
- • Multi-currency businesses (limited multi-currency support)
- • Inventory management
- • Enterprise or growing businesses that will outgrow Wave
Alternatives
Full Evaluation Report
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Scores are editorial opinions as of 2026-03-01.