FastBill
6.8#18 in freelance invoicing softwareFrom €10 a monthAndroidiOSWebAPI
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| Fact | FastBill | Wave |
|---|---|---|
| API | FastBill provides an XML/JSON web service API, and its documentation says requests are encrypted with SSL in transit. | Wave provides an API with application creation, endpoint documentation, query and mutation examples, a playground and webhooks. |
| Headquarters | Frankfurt am Main, Germany | Toronto, Ontario, Canada |
| Integrations | FastBill states that it offers more than 30 partner integrations and a Zapier app connecting to more than 4,000 business tools. | Wave Pro lists integrations including Etsy, Driversnote, GoHighLevel, Google Sheets and Make.com. |
| Security | FastBill says it stores data on servers in Germany and provides two-factor authentication; its banking help page says finAPI transaction data is only visible to the account's main user by default. | Wave states that it uses up to 256-bit TLS encryption, protected hosting facilities and tokenized payment data handling. |
FastBill suits freelancers, self-employed users, and companies needing invoicing, receipt handling, bookkeeping preparation, and bank connections across web and mobile.
Wave suits businesses that need invoicing, payment collection, customer records, and connected bookkeeping. Its Starter plan is aimed at people starting a business or seeking basic features.