The Base API provides an interface between Base and external systems. 

It allows developers to use any development language and interact with your Base data including listing and contact data. 

Developer documentation

Click here for the REST API documentation. 

Data access

Through the API key, a developer can get full access to listing and contact data including leads. Please see the documentation for available functions.

Generating a key

Keys can be generated under Base / Settings / Integrations / 3rd party integrations.

Revoking access

To revoke access for a specific application or developer, simply delete the API key. Any data calls will immediately be blocked.

Developer support

Please direct all developer support to our Helpdesk (

Rate limit

A current rate limit of 30 calls/minute is applicable to ensure that we do not overload systems. This may be adjusted in future so please make sure that your application can handle the throttling.