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Intercept, Modify & Mock

GraphQL Requests

4.8 ⭐ 1100+ Ratings, 200,000+ users

Your Development Companion

Requestly provides complete control over GraphQL API requests to easily Intercept, Modify, and Mock them.

Modify Request Body

Like the response, you can change the request body before hitting the server.

  • Modify Queries in a Request
  • Modify Mutations
  • Modify Subscription Queries
  • Dynamically generate the request body.
Modify Request

Capture & Share GraphQL Sessions for Debugging

Record GraphQL Sessions with screen, cursor movement, console logs, network logs & environment details with 1 click and share with developers for 10x faster debugging.

Modify HTTP Headers Beta

Use Modify Headers Rule to add/remove/change a GraphQL request/response header before it reaches its target.

Modify Request Header

Stop Managing multiple Dev Environments

Managing different environments with multiple services requires a huge amount of effort. With Requestly you can:

  • Use local APIs on the production FE.

  • Use production APIs on the local FE.

  • Test staging APIs with the prod FE.

  • And many more cases.

Mock GraphQL APIs Beta

When APIs are in development, Mocking APIs is the only option. Requestly enables you to:

  • Mock GraphQL APIs based on OperationName.

  • Use selected Mock APIs along with your working APIs.

  • Generate realistic data using predefined functions.

  • Mock mutations & subscriptions.

Mock GraphQL APIs with Requestly Mock Server

Simulate Delay in
GraphQL APIs Beta

When developing, the API usually returns responses within a few milliseconds. In real scenarios, multiple factors delay the requests.

  • Simulate a delay in API Responses.
  • Create a better user experience.
Features labeled as beta have GraphQL Support in the beta version only.
Trusted by 200k+ developers at →

Popular Use Cases

Take inspiration from our popular use cases to integrate
Requestly into your workflows.

Additional Features of Requestly

for frontend & QA teams

Mock Server

  • Easy-to-use GUI, no command line.
  • Mock Third Party APIs
  • Faster than CLI-based tools.
  • Various Import Options.
Read More

Session Book

  • 1 Click Bug Report –  Record screen with cursor, console logs, network logs & environment details.
  • Debug 10x Faster – Use recorded screen, cusror movement, console logs, network logs & environment details to debug Faster.
Read More

API Client

  • Simple in-browser API Client
  • Test Your APIs
  • Test API Overrides
Read More

For the developers, by the developers ❤️

From Debug to Deploy: Developers Trust Requestly

Requestly is awesome. I used to use Charles proxy in my day-to-day work but it always messed with my wifi. I haven’t had any issues with Requestly. Requestly’s UI is an amazing tool and great to work in.

Carl Hand
Senior Software Engineer at Workday

Requestly not just made it easier for us to develop, test & debug our code on our customer sites but also helped us do engaging product demos to our prospective clients.

Michael Levinson
Co-Founder & CPO at Joyned

I’m a big fan of Requestly, and use it on a daily basis as a QA Engineer. It removes the need to use Charles Proxy often, which is always nice. I can just use Requestly directly in Chrome

Mike Mitchell
QA Engineer at URBN

Awesome tool. I use it almost daily for my projects to modify request body, headers, etc. Would recommend it to every frontend developer out there. Thank me later 🙂 (Case Study)

Harsh Vats
Frontend Engineer at PingSafe

This is by far the best tool for managing request headers! Plus the developers are very active meaning you’ll get help if you’re ever stuck or need help solving a problem. I use it daily and couldn’t be happier.

Jose Browne
Senior Engineer at Reddit

App works as expected! Ran into some small issues while creating the rules but the support team was able to help and overcome those.

José Miguel Dias Fernandes
Development Lead at Vodafone

Requestly is user-friendly, brilliant and easy-to-use. I use it on an daily basis and it makes my work easier. After using other tools like Charles – Requestly is a nice new breath of air that I highly vouch for. Apart from the tool being amazing – the support from the Requestly team is phenomenal with them always going above and beyond for their clients.

Marius Ludick
Solutions Architect II at Amazon

Requestly is an amazing tool to get your development work less hassle. The product itself has evolved so much since day-1 and the company is really serious on helping their customer solves their problems. We had this nice session where they shared Requestly features and we were very impressed on its potential. A truly 5-star worthy.

Natchapol Thongruang
Senior Software Engineer at Agoda

Just loved the way Requestly saved several person hours for our dev team by allowing us to redirect and intercept requests. The simple yet efficient rules allowed us to seamlessly redirect requests from a single staging front-end server to local backend servers. This meant that our devs didn’t need to build or run the front-end server locally when focusing on backend tasks.

Srijan Bhatnagar
Senior Software Engineer at Atlassian

Requestly is an incredibly useful tool for developers working on a large team with multiple staging envs, or numerous app endpoints for various APIs in a local environment. The Sessions feature is especially useful for documenting solutions or sharing with others since it captures the relevant network traffic, and screen recording enables others to easily reproduce. Requestly combines all the power of complicated tools like Charles Proxy and Postman in one app/chrome extension. I highly recommend giving it a try if you haven’t already–it will make your dev work so much easier. (Summarized)

Joél Hawkins Torres
Senior Software Engineer at Autodesk