BACKEND CHALLENGES

Browse backend challenges that ask you to build an API from a written contract. Open a challenge, implement the service, and submit your base URL for evaluation.

Note: This feature is still in beta and may contain issues.

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1Easy

Task Manager API

Build a REST API to create, organize, search, and complete personal tasks.

2Easy

URL Shortener API

Build a REST API that stores links, assigns short codes, and counts visits.

3Medium

Private Notes API

Build a REST API where each person registers, signs in, and manages only their own notes.