TASK: Create test documentation for Endpoints testing

[DaniellaZambrano]

What task?

• API endpoint, covering various scenarios including valid and invalid inputs, edge cases, and expected responses.
• A detailed description of each API endpoint, including the method (GET, POST, etc.), URL, and expected request/response formats.
• Define the criteria that must be met for each endpoint to be considered functioning correctly
• Steps to reproduce test scenarios and expected outcomes for each scenario

Add screenshots

No response