REST APIs Tutorials
A full REST APIs course: HTTP methods, JSON, status codes, auth headers, pagination, and curl testing.
This course includes 14 lessons grouped from first steps to more capable workflows. Work through a group in order, or jump to the task you need today. Every lesson includes explanations, copyable examples, and tips written for beginners.
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HTTP foundations
Topic page- What Is REST?Understand REST as a style for designing HTTP APIs around resources.
- HTTP MethodsChoose GET, POST, PUT, PATCH, and DELETE for the right kind of change.
- URLs and ResourcesDesign clear resource paths and nest relationships thoughtfully.
- Status CodesReturn meaningful HTTP status codes so clients can handle outcomes.
Messages and headers
Topic pageAPI design
Topic page- Designing EndpointsShape a small, consistent API surface that is easy to learn.
- PaginationReturn large collections in pages clients can navigate.
- VersioningPlan for change so old clients do not break when the API evolves.
- Errors and IdempotencyReturn useful errors and make unsafe retries safer with idempotency keys.