Software Alternatives, Accelerators & Startups

Interfacer VS Requestly

Compare Interfacer VS Requestly and see what are their differences

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Interfacer logo Interfacer

Collection of more than 200+ free design resources

Requestly logo Requestly

A Powerfulย API Mockingย andย Testingย Tool
  • Interfacer Landing page
    Landing page //
    2022-10-04
  • Requestly Requestly
    Requestly //
    2025-02-12
  • Requestly Rest Client
    Rest Client //
    2025-02-12
  • Requestly HTTP Interceptor
    HTTP Interceptor //
    2025-02-12
  • Requestly API Mocking
    API Mocking //
    2025-02-12
  • Requestly Requestly
    Requestly //
    2025-02-12

Requestly is a modern and powerful companion for API Development and Testing. It is an open-source tool purpose-built to speed up and simplify API development workflow for developers and QAs. It is a combination of API Client and HTTP Interceptor that helps create and share API Contracts, testing APIs, and easily mock and integrate them into web and mobile apps.

Interfacer

Pricing URL
-
$ Details
-
Platforms
-
Release Date
-

Requestly

$ Details
freemium
Platforms
Google Chrome Firefox Edge Safari Brave Opera Vivaldi Android Windows Linux Mac OSX MacOS
Release Date
2021 January
Startup details
Country
United States
State
California
Founder(s)
Sachin Jain, Sagar Soni, Sahil Gupta
Employees
20 - 49

Interfacer features and specs

  • Ease of Use
    Interfacer offers a user-friendly interface that simplifies the process of integrating and managing APIs, making it accessible even for users with limited technical knowledge.
  • Multi-Platform Support
    This tool supports integration with a variety of platforms and services, giving users the flexibility to connect different systems seamlessly.
  • Customization
    Interfacer allows users to customize API integrations, providing tailored solutions to meet specific requirements and workflows.
  • Scalability
    The platform is designed to handle growing data and increasing numbers of API calls, making it suitable for both small and large-scale operations.

Possible disadvantages of Interfacer

  • Pricing
    The cost of using Interfacer may be high for small businesses or individual developers, particularly for premium features and high-volume usage.
  • Learning Curve
    While the interface is user-friendly, mastering all the features and capabilities of Interfacer can take some time, especially for users new to API management tools.
  • Support
    Customer support may not be available 24/7, which could be a drawback for users who need immediate assistance outside of regular business hours.
  • Limited Offline Functionality
    Interfacer's reliance on internet connectivity means that it may not be fully functional in offline scenarios, limiting its usability in remote or unreliable network conditions.

Requestly features and specs

  • Redirect URL
  • Block Network Requests
  • Modify Request & Response Header
  • Modify Response
  • Supercharge Selenium
  • Session Replay
  • Modify Query Params
  • Team Workspace
  • API Client
  • API Mocks
  • GraphQL Support
  • Zero Setup
  • Auto Capture Sessions
  • Network Logs
  • Console Logs

Analysis of Interfacer

Overall verdict

  • Yes, Interfacer is regarded as a good platform, especially for those who are seeking a robust selection of design and development resources that can streamline project workflows and enhance productivity.

Why this product is good

  • Interfacer, accessible at interfacer.xyz, is a platform known for its comprehensive suite of tools and resources aimed at facilitating seamless web development and design processes. It offers a variety of templates, UI kits, and digital assets that are beneficial for designers and developers. The user-friendly interface, coupled with regular updates and a diverse range of high-quality assets, makes it a valuable resource.

Recommended for

    Interfacer is particularly recommended for web developers, UI/UX designers, and digital product teams who require reliable and efficient tools for creating aesthetically pleasing and functional user interfaces.

Analysis of Requestly

Overall verdict

  • Requestly is generally regarded as a good tool due to its comprehensive functionalities and ease of use. Its ability to seamlessly manage network requests makes it suitable for both beginners and experienced developers.

Why this product is good

  • Requestly is widely considered a valuable tool because it offers robust and flexible features for intercepting and modifying network requests. Developers and QA testers appreciate it for its ability to simulate and debug API calls efficiently. It is particularly useful for testing changes without altering the codebase and for working with web applications in development and production environments.

Recommended for

  • Developers looking to debug and test API endpoints.
  • Quality Assurance (QA) teams that require reliable testing tools for web applications.
  • Technical professionals who manage network traffic and need to modify or redirect requests effortlessly.
  • Anyone involved in web development who needs to simulate network conditions or test application behavior under different scenarios.

Interfacer videos

GoodWood Audio Interfacer Review

Requestly videos

Get Started with Requestly

More videos:

  • Demo - Session Replays by Requestly
  • Tutorial - Modify API Response using Requestly Chrome Extension
  • Tutorial - How to load local JS file in production sites for faster debugging (Map Local Tool)
  • Tutorial - Report Quality Bugs with Video, Network logs, Console logs & Environment details

Category Popularity

0-100% (relative to Interfacer and Requestly)
Design Tools
100 100%
0% 0
Developer Tools
0 0%
100% 100
Illustrations
100 100%
0% 0
Testing
0 0%
100% 100

Questions & Answers

As answered by people managing Interfacer and Requestly.

Who are some of the biggest customers of your product?

Requestly's answer:

  • Verizon
  • AT&T
  • Adobe
  • Salesforce
  • Telegraph
  • Intuit
  • Verizon

How would you describe the primary audience of your product?

Requestly's answer:

Front-end developers, QAs, PMs, Digital Marketers

What makes your product unique?

Requestly's answer:

Requestly is an open-source API development and testing tool that combines the capabilities of an API Client and HTTP Interceptor, making it a better alternative to Postman + Charles Proxy. It simplifies API mocking, request modification, and debugging with an intuitive no-code interface, enabling developers and QAs to test APIs efficiently.

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare Interfacer and Requestly

Interfacer Reviews

We have no reviews of Interfacer yet.
Be the first one to post

Requestly Reviews

Comparing Charles Proxy, Fiddler, Wireshark, and Requestly
On the pricing front, Requestly strikes a balance between affordability and functionality. It is an open-source tool, offering freemium to individual developers and affordable pricing plans for team collaboration. We have also clearly differentiated how Requestly differs from Wireshark and other web debugging tools like Proxyman, Modheader, and HTTP ToolKit separately.
Source: dev.to

Social recommendations and mentions

Based on our record, Requestly seems to be a lot more popular than Interfacer. While we know about 35 links to Requestly, we've tracked only 1 mention of Interfacer. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Interfacer mentions (1)

  • An essential list of resources for developers and designers
    You are right, Ok I will replace it by another link with similar content (it's my second favorite) Interfacer.xyz. Source: over 5 years ago

Requestly mentions (35)

  • Why You Need a Local-First API Client (With Hands-On Example)
    If you want to try a local-first workflow, you can start using Requestly here: https://requestly.com. - Source: dev.to / 8 months ago
  • How to use Cursor to Generate API Testcases in Requestly
    Thatโ€™s where automation changes the game. By pairing Cursor, an AI-powered coding assistant, with Requestly's local-first API testing and mocking platform, you can offload the grunt work of writing tests to AI while keeping execution secure and reproducible on your own system. In this article, weโ€™ll walk through how to set up Cursor with Requestly, generate test cases automatically, and run them end-to-end so that... - Source: dev.to / 8 months ago
  • These 20 Awesome API Clients Will Change How You Work with APIs
    Requestly is a versatile browser extension and web client used to intercept, mock, and debug APIs in real-timeโ€”perfect for frontend developers. - Source: dev.to / about 1 year ago
  • Best Tools for GraphQL Development in 2025
    Requestly is a powerful tool for modifying GraphQL responses, intercepting requests, and debugging API interactions. It allows developers to tweak request bodies, capture GraphQL traffic, and share sessions for easier debugging and collaboration. - Source: dev.to / over 1 year ago
  • How Not to Use AI in Software Development
    Learn more at https://requestly.com/. - Source: dev.to / over 1 year ago
View more

What are some alternatives?

When comparing Interfacer and Requestly, you can also consider the following products

Neede - An online design resource library

Postman - The Collaboration Platform for API Development

Blush - Illustrations for everyone

Proxyman.io - Proxyman is a high-performance macOS app, which enables developers to view HTTP/HTTPS requests from apps and domains.

Bestfolios - Portfolio website and resume collection from best designers

Hoppscotch - Open source API development ecosystem