Software Alternatives & Startups

API Playground VS Requestly

Compare API Playground VS Requestly and see what are their differences

API Playground

Test APIs & webhooks instantly.

Rating
0 reviews
Pricing
Free
Requestly

A Powerful API Mocking and Testing Tool

Rating
0 reviews
Pricing
Open source Freemium Free trial

Which is more popular?

Based on our record, Requestly seems to be more popular. It has been mentioned 35 times since March 2021.

social mentions
0 vs 35
Developer Tools popularity
5% vs 95%
alternatives listed
15 vs 240+

Base details

Website, pricing, platforms and company facts side by side.

API Playground
Requestly
Website playgroundapi.com requestly.com
Pricing
Free
Open source Freemium Free trial Official pricing
Platforms —
Google Chrome Firefox Edge Safari Brave Opera Vivaldi Android Windows Linux Mac OSX MacOS +9
Company Startup from Pakistan · 1 - 9 employees Startup from the United States · 20 - 49 employees · 2021
Listed in

About API Playground and Requestly

In their own words, as submitted to SaaSHub.

API Playground
Requestly

API Playground is a free browser-based tool for testing APIs, webhooks, and integrations without installing software. Send HTTP requests, configure headers and request bodies, inspect responses, troubleshoot errors, and use AI-assisted debugging from one simple interface. It is built for...

Read more about API Playground

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...

Read more about Requestly

Features and specs

What each product offers, as listed by its team.

API Playground 5 features
Requestly 15 features
  • Interactive API Testing
    API Playground provides an interactive environment where developers can test and experiment with APIs directly in the browser without needing to set up complex local environments or tools.
  • Beginner-Friendly
    The platform is designed to be accessible for developers who are new to working with APIs, offering a low barrier to entry for learning and exploring how APIs work.
  • No Installation Required
    As a web-based tool, API Playground requires no software installation or configuration, allowing users to get started quickly from any device with a browser.
  • Quick Prototyping
    Developers can rapidly prototype and test API calls, making it useful for quickly validating ideas or debugging API interactions before integrating them into a full application.
  • Visual Interface
    The platform offers a user-friendly visual interface for constructing and sending API requests, which can be more intuitive than command-line tools like cURL for many users.
  • 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

An editorial look at what each product does well and who it suits.

API Playground
Requestly

Overall verdict

  • API Playground is a solid tool for developers who need a fast, intuitive environment to test, explore, and debug APIs without heavy setup.

Why this product is good

  • Provides an interactive interface for sending API requests and inspecting responses in real time
  • Reduces setup friction by letting you experiment with endpoints directly in the browser
  • Helps developers understand API behavior, authentication, and payload structures quickly
  • Useful for documentation and onboarding, giving newcomers hands-on examples
  • Streamlines debugging by making it easy to tweak parameters and see immediate results

Recommended for

  • Developers integrating third-party APIs into their applications
  • API providers who want to offer interactive documentation to their users
  • QA engineers testing and validating API endpoints
  • Teams onboarding new members who need to learn an API quickly
  • Prototyping and proof-of-concept work that requires rapid API experimentation

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.

Videos

Walkthroughs and reviews on video.

API Playground 1 video + Add
Requestly 5 videos + Add

ChatGPT API Playground

Get Started with Requestly

More videos

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

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
API Playground
Requestly
5% 5%
95% 95%
100% 100%
0% 0%
0% 0%
100% 100%
100% 100%
0% 0%

Questions & Answers

As answered by people managing API Playground and Requestly.

Who are some of the biggest customers of your product?

API Playground's answer

API Playground is currently an early-stage public product and does not publicly list named enterprise customers yet.

Requestly's answer:

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

How would you describe the primary audience of your product?

API Playground's answer

API Playground is built for developers, automation builders, AI developers, technical freelancers, students, and anyone working with APIs, webhooks, integrations, or automation platforms.

Requestly's answer:

Front-end developers, QAs, PMs, Digital Marketers

What makes your product unique?

API Playground's answer

API Playground combines fast, browser-based API and webhook testing with AI-assisted debugging. Users can send requests, inspect responses, troubleshoot errors, and understand APIs without installing software or dealing with unnecessary complexity.

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.

Why should a person choose your product over its competitors?

API Playground's answer

API Playground is built for speed and simplicity. There is no installation required, and users can start testing APIs and webhooks directly from the browser. It also adds AI-assisted debugging to help users understand errors and fix requests faster.

What's the story behind your product?

API Playground's answer

API Playground was created after repeatedly experiencing the friction involved in testing APIs, debugging requests, and switching between multiple tools. The goal was to create a simpler workspace where anyone can quickly test, understand, and troubleshoot APIs from one place.

Which are the primary technologies used for building your product?

API Playground's answer

API Playground is built with Next.js 14, React 18, TypeScript, Tailwind CSS, shadcn/ui, Prisma, and PostgreSQL. It also uses Stripe for billing infrastructure, Resend for transactional emails, and PostHog for product analytics.

User comments

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Reviews and articles

External articles and on-site reviews we used to compare the two products.

API Playground no reviews yet
Requestly no reviews yet

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

Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

API Playground 0 mentions
Requestly 35 mentions

Tracking API Playground since Apr 2026.

View more

Alternatives to API Playground and Requestly

When comparing API Playground and Requestly, you can also consider the following products.