API archive entry · source-reported

Billbee API

Documentation of the Billbee REST API to connect a Billbee account to external aplications. ## Endpoint The Billbee API endpoint base url is https://api.billbee.io/api/v1 ## Activation You have to enable the API in the settings of your Billbee account. In addition you need a Billbee API Key identifying the application you develop. To get an API key, send a mail to support@billbee.io and send us a short note about what you are building. ## Authorization & security Because you can access private data with the Billbee API, every request has to be sent over https and must * Contain a valid API Key identifying the application/developer. It has to be sent as the HTTP header X-Billbee-Api-Key * Contain a valid user login with billbee username and api password in form of a basic auth HTTP header ## Throttling Each endpoint has a throttle of max 2 requests per second per combination of API Key and Billbee user. When you exceed these 2 calls, the API will return a HTTP 429 status code

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Record checkpoints

  1. First observed: Sep 20, 2026
  2. Last directory-field change: Sep 20, 2026
  3. Current source observation: Sep 20, 2026

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