Create Mock API in seconds

Open-source Mock Server to quickly create mock API endpoints for testing without creating an actual API. Edit Content-Type, Status Code, Headers, and Response body easily on the Mock Server.

mock server editor

Generate response body using AI

GPT-based API Response generator will help you create custom responses faster.

File Server

Upload any HTML/CSS/JS files and see it live in action using the URL generated without actually hosting the project

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Application and use cases

Here's how you can use Requestly's Mock Server feature in your daily workflow

Mock Backend Response

When the backend isn't ready and you want to mock the API response.

Mock Different Formats

Besides mocking an API Response, we also allow you to write plain HTML/CSS/JS on our editor and test it out without deploying.

Manage Your Mocks

Test the Mocks you created using our API Client. Apart from editing Content-Type, Status Code and body of the response, you can also set latencies to test the responses.

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Data rich session recording tool that records Network logs, Console logs, Session Video & environment details. Share it with your Engineering team for faster debugging.

Web-based API Client

A comprehensive and web-based tool for modifying and testing APIs. You can test the Mock APIs you're creating here to fast track your development lifecycle.

Ready to get started?

Empowering frontend developers to achieve more in development, testing & debugging workflows.