Billy API

Plans
| Plan | Billed and limits | Price |
|---|---|---|
| Free | kr./md., ekskl. moms · 3 fakturaer · 10 udgiftsbilag · Ubegrænset omsætning | Free |
| Basic | kr./md., ekskl. moms · Ingen forbrugsgrænser · Revisoradgang · Mail- og chatsupport | 160 DKK a month |
| Plus | kr./md., ekskl. moms · Ubegrænsede integrationer · AI-regnskabsfunktioner · Copilot · Support via mail, chat og telefon | 295 DKK a month |
| Complete | kr./md., ekskl. moms · Kvartalsvist regnskabstjek · Prioriteret support · Gør-det-selv årsregnskab inkluderet | 595 DKK a month |
As billy.dk lists them, read 5 Oct 2026. The maker's own page has the final word.
Facts from Billy API's own pages
- API access
- The API endpoint is https://api.billysbilling.com/v2, and all requests must use SSL. · billy.dk, 4 Oct 2026
- API capabilities
- The API supports getting, listing, creating, updating, and deleting resources such as invoices. · billy.dk, 5 Oct 2026
- API contact
- The API page directs questions and feedback to [email protected]. · billy.dk, 4 Oct 2026
- API format
- Billy API v2 is a JSON-based REST API, and Billy's web app uses the same API. · billy.dk, 4 Oct 2026
- API key creation
- Users can create as many API keys as they want to connect Billy with other software, such as a webshop or cash register. · billy.dk, 5 Oct 2026
- API languages
- The API documentation includes code examples for PHP, Node.js 8+, and Python 3. · billy.dk, 4 Oct 2026
- API operations
- The API supports getting, listing, creating, updating, and deleting resources, including invoices. · billy.dk, 4 Oct 2026
- API paging
- List results can be paged, and pageSize cannot exceed 1,000. · billy.dk, 4 Oct 2026
- Authentication
- The documentation describes company access tokens and HTTP Basic Auth; access tokens are permanent and do not expire. · billy.dk, 5 Oct 2026
- Backup and storage
- Billy says it stores accounting data online and backs it up every day. · billy.dk, 5 Oct 2026
- Company status
- Billy's API page says Billy is now part of Shine. · billy.dk, 4 Oct 2026
- Compliance
- Billy says it is certified and approved by the Danish Business Authority for digital bookkeeping. · billy.dk, 4 Oct 2026
- Endpoint and transport
- The API endpoint is https://api.billysbilling.com/v2, and all requests must use SSL. · billy.dk, 5 Oct 2026
- Free plan limit
- The pricing page lists a limit of 3 invoices and 10 expense receipts for Free, while Basic and higher plans have no usage limits. · billy.dk, 5 Oct 2026
- Headquarters
- Copenhagen, Denmark · billy.dk, 28 Sept 2026
- Integrations
- Billy’s integration directory includes connections for services such as Shopify, WooCommerce, Salary, MobilePay, and Lunar. · billy.dk, 5 Oct 2026
- Intended users
- Billy describes its accounting software as helping self-employed people manage bookkeeping, invoices, and VAT. · billy.dk, 5 Oct 2026
- Other accounting features
- Billy says users can upload receipts from mobile or computer or forward them by email, and that it automatically reads relevant data from uploaded receipts. · billy.dk, 5 Oct 2026
- Product purpose
- Billy describes its online accounting product as serving self-employed people and providing accounting, bookkeeping, and invoicing functions. · billy.dk, 4 Oct 2026
- Security
- Billy says it uses SSL, encrypts information, and backs up data several times a day. · billy.dk, 4 Oct 2026
- Shopify workflow
- Billy’s Shopify integration can transfer webshop orders into Billy as invoice drafts, and the setup guide directs users to purchase the integration through IEX. · billy.dk, 5 Oct 2026
- Support
- Billy advertises support every day from 07 to 22, with email, chat, and phone support listed on its pricing page. · billy.dk, 5 Oct 2026
- What it is
- Billy API v2 is a JSON-based REST API, and Billy’s web app uses the same API. · billy.dk, 5 Oct 2026
Where Billy API stands on Freedom251
- Accounting APIs#4 of 27