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Requestly VS CheckAPI

Compare Requestly VS CheckAPI and see what are their differences

Requestly

A Powerful API Mocking and Testing Tool

Rating
0 reviews
Pricing
Open source Freemium Free trial
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Alternatives Is it good?
CheckAPI

API monitoring that catches silent failures first

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Rating
0 reviews
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Alternatives Is it good?
ZeroTwo AI
ZeroTwo is a premium multi-provider AI platform which combines the tools models and features of Claude, Gemini, Grok, Openai and more into one. Canvas, Deep Research, MCP, Connectors, Agents, Projects and even Apps are all available in one place! sponsored
Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

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
35 vs 0
Developer Tools popularity
100% vs 0%
alternatives listed
240+ vs 13

Base details

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

Requestly
CheckAPI
Website requestly.com checkapi.io
Pricing
Open source Freemium Free trial Official pricing
Official pricing
Platforms
Google Chrome Firefox Edge Safari Brave Opera Vivaldi Android Windows Linux Mac OSX MacOS +9
—
Company Startup from the United States · 20 - 49 employees · 2021 —
Listed in
Testing Localhost Tools Developer Tools Debugger Open Source API Clients +3
Monitoring Tools Web Service Automation Productivity Uptime Monitoring +1

About Requestly and CheckAPI

In their own words, as submitted to SaaSHub.

Requestly
CheckAPI

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

No description of CheckAPI yet.

Features and specs

What each product offers, as listed by its team.

Requestly 15 features
CheckAPI 5 features
  • 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
  • Comprehensive Verification
    CheckAPI provides a wide range of verification services, such as identity, document, and background checks, which helps businesses ensure the authenticity and credibility of their users or partners.
  • User-friendly Interface
    The platform offers an easy-to-use interface that simplifies the integration and usage of its API, making it accessible even to those with limited technical expertise.
  • Scalability
    CheckAPI is designed to cater to businesses of all sizes, providing scalable solutions that can grow with your business needs without compromising on performance.
  • Customization
    The service allows businesses to customize their verification processes to better fit their specific industry requirements and compliance standards.
  • Security
    CheckAPI employs robust security measures to protect sensitive data, ensuring that all verifications are conducted in a secure and reliable manner.

Possible disadvantages

  • Cost
    CheckAPI's pricing structure might be prohibitive for small businesses or startups, making it less accessible for those with limited budgets.
  • Dependence on Internet Connectivity
    As an online service, CheckAPI requires a stable internet connection, which may be a limitation in regions with unreliable internet infrastructure.
  • Learning Curve
    Although the interface is user-friendly, there can still be a learning curve for teams unfamiliar with API integrations, which may require additional training or support.
  • Data Privacy Concerns
    Handling sensitive user information may raise concerns about data privacy and compliance, necessitating stringent adherence to data protection regulations.
  • Service Dependency
    Relying heavily on a third-party service like CheckAPI may create dependencies that could affect business operations if there are service outages or changes in service terms.

Analysis

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

Requestly
CheckAPI

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.

Overall verdict

  • CheckAPI (checkapi.io) is a solid choice for developers and teams who need reliable API monitoring and testing, offering a straightforward way to ensure API endpoints stay healthy and performant.

Why this product is good

  • Provides automated API monitoring to catch downtime and performance issues early
  • Offers endpoint testing and validation to ensure APIs return expected responses
  • Sends alerts and notifications so teams can respond quickly to failures
  • Generally easy to set up with a developer-friendly interface
  • Helps maintain API reliability and uptime for production services

Recommended for

  • Developers who need to monitor the health of their APIs
  • Small to medium teams maintaining production API endpoints
  • DevOps engineers looking for automated alerting on API failures
  • Companies that rely on third-party APIs and want to track their availability
  • Startups needing an affordable, straightforward API monitoring solution

Videos

Walkthroughs and reviews on video.

Requestly 5 videos + Add
CheckAPI 0 videos + Add

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

No CheckAPI videos yet. You could help us improve this page by suggesting one.

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
Requestly
CheckAPI
100% 100%
Developer Tools
0% 0%
0% 0%
Uptime Monitoring
100% 100%
100% 100%
Testing
0% 0%
0% 0%
Web Service Automation
100% 100%

Questions & Answers

As answered by people managing Requestly and CheckAPI.

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

Share your experience with using Requestly and CheckAPI. For example, how are they different and which one is better?

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Reviews and articles

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

Requestly no reviews yet
CheckAPI no reviews yet

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

Social recommendations and mentions

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

Requestly 35 mentions
CheckAPI 0 mentions

View more

Tracking CheckAPI since Mar 2026.

Alternatives to Requestly and CheckAPI

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

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