Billy API
7.1#6 in accounting apisFrom 160 DKK a monthFree planWebAPI
VisitBilly API vs FreeAgent
What both publish
| Fact | Billy API | FreeAgent |
|---|---|---|
| Headquarters | Copenhagen, Denmark | Edinburgh, Scotland, UK |
| Integrations | Billy’s integration directory includes connections for services such as Shopify, WooCommerce, Salary, MobilePay, and Lunar. | Supported connections include Open Banking feeds, HMRC, Stripe, PayPal, GoCardless, Basecamp and many listed integration partners. |
| Intended users | Billy describes its accounting software as helping self-employed people manage bookkeeping, invoices, and VAT. | FreeAgent says its software is designed for small businesses, accountants and bookkeepers. |
| Security | Billy says it uses SSL, encrypts information, and backs up data several times a day. | FreeAgent says it is Cyber Essentials Plus certified, uses fault-tolerant infrastructure and follows UK DPA 2018 and UK GDPR requirements. |
Billy API plans
- FreeFree
- Basic160 DKK a month
- Plus295 DKK a month
- Complete595 DKK a month
FreeAgent plans
- Sole trader£10 a month
- Partnership or LLP£19 a month
- Limited company£33 a month
- FreeFree
- Bank-account-funded accountFree
- Eligible bank-account planFree
Pick Billy API if…
You want what its maker publishes above — check its page for the details.
Pick FreeAgent if…
FreeAgent is aimed at small businesses, accountants, and bookkeepers managing accounts, invoices, expenses, or tax tasks. Its mobile apps may suit users who want to record expenses, track time, or manage invoices on iOS or Android.