Developer Docs

Grammar API Docs

Explore the public grammar dataset through a Swagger UI backed by an OpenAPI document generated from the current API surface.

Developer Guide OpenAPI JSON API Index Grammar Hub

Read-only and versioned responses

Swagger UI plus raw OpenAPI JSON

Lesson filters accept slug or canonical id

Rights metadata included in the dataset

Public consumers should usually start with /api/v1/grammar for discovery or /api/openapi.json for tooling. The public dataset only exposes published lessons and their related records.