HTTP Methods & Status Codes Explained

Understand the language of the web. Learn how HTTP requests and responses work, what GET, POST, PUT, PATCH, DELETE, HEAD and OPTIONS are for, what “safe” and “idempotent” mean, and how to read and choose status codes from 200 OK to 503 Service Unavailable – with practical debugging tips.

Tutwoo is an independent learning provider. This course is general awareness training written from published official guidance. It does not replace training required for your specific job, and it is not an accredited qualification.

© 2026 Tutwoo UK Limited. This course was created in-house by Tutwoo and is our original work. It is for your own learning only: please do not copy, share, record or resell it.