Welcome to the Base API v2 documentation.

The Base API lets you tap into Base and build your own Base-powered applications for the web, mobile and desktop. Base offers three types of Web API to suit various integration needs:

API Purpose
Core API Create, Read, Update and Delete Base data through RESTful API. Search and filter through Base data.
Sync API Keep your local data up to date via Base synchronization layer.
Firehose API Receive a near real-time stream of changes in Base data, including resource deltas, current snapshots and user information.
Search API Query your data entities (leads, contacts, deals) in Base, apply custom complex filter and sort criteria, perform aggregations.

Get up to speed with the Base API


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