Yes, Coda has a public API available to all users. The API allows you to get data in and out of tables in Coda as well as access computed values from formulas and user-selected values from controls.
The Coda REST API allows users to programmatically interact with Coda docs in a number of ways including:
- List and search Coda docs
- Create new Coda docs
- Discover pages, tables, formulas, and controls
- Read, Insert, Upsert, Update, and Delete rows
- Access formula values
- Update page metadata
Check out the API documentation here.
To see examples of the Coda API in action, take a look at this Coda doc.