Learn how to mock, modify, and simulate APIs directly inside Requestly no backend changes required. This module helps you build stable testing environments by mocking APIs, modifying responses, and handling unreliable endpoints effortlessly. Each lesson is short and practical, designed to help you master one concept at a time with zero friction.
What You’ll Learn
In this module, you’ll understand how to simulate APIs for testing frontends or integrations without relying on real servers.
You’ll explore conditional mocks, GraphQL support, and scaling techniques for large or unstable environments.
Here’s the complete breakdown of chapters:
Chapter 1. Requestly Overview Chapter 2. Modify API Response Rule (REST & GraphQL) Chapter 3. Mock GraphQL APIs using Requestly Chapter 4. Bulk API Mocking for Flaky and Unreliable APIs Chapter 5. Conditional API Mocking