Welcome to Fern's API documentation! Here you'll find information about the various endpoints available to you, as well as the parameters and responses that they accept and return.

Note: Access to the API is available with our Starter and Business plans. Want to get set up? Email us.

API stability

Some of the APIs documented within are undergoing active development. Use the Beta and GA tags to differentiate between those that are stable and those that are not. GA stands for generally available.

Official API Clients

Fern maintains official API clients for Node.js and Python. We recommend using these clients to interact with all stable endpoints. You can find them here: