Requestly VS Assertible

Compare Requestly VS Assertible and see what are their differences

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Assertible software provides you with a simple and quick way to monitor your web services. It comes with automated QA tools that users can utilize to test and monitor their web services on different platforms and environments.

Requestly //
2025-02-12
Rest Client //
2025-02-12
HTTP Interceptor //
2025-02-12
API Mocking //
2025-02-12
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.

Landing page //
2021-10-15

Requestly

Website: requestly.com
Pricing URL: Official Requestly Pricing
$ 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
City: San Francisco
Founder(s): Sachin Jain, Sagar Soni, Sahil Gupta
Employees: 20 - 49

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Assertible

Website: assertible.com
Pricing URL: Official Assertible Pricing
$ Details: -
Platforms: -
Release Date: -

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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

Assertible features and specs

User-Friendly Interface
Assertible provides a clean and intuitive interface that makes it easy for users to create, run, and manage tests without requiring extensive technical knowledge.
Automated API Testing
The platform supports automated API testing, which helps in ensuring that APIs function correctly and consistently over time.
Continuous Integration Support
Assertible integrates seamlessly with continuous integration tools, which helps in embedding API testing into the development workflow.
Environment Management
Users can manage different environments (development, staging, production) effortlessly, enabling them to conduct tests across various stages of deployment.
Monitors and Alerts
The tool can continuously monitor APIs and send alerts if any issues are detected, helping teams to promptly address problems.
Comprehensive Test Reports
Assertible provides detailed test reports that offer insights into test results, helping teams analyze failures and improve API quality.

Possible disadvantages of Assertible

Pricing Structure
For some users, the pricing can be considered high, especially for small businesses or independent developers who may not need all the features.
Learning Curve
Although user-friendly, there can be a learning curve for users new to API testing tools or integrated testing workflows.
Limited Free Plan
The free plan may have limitations in terms of features, tests, and monitoring capabilities, which may not be sufficient for all users.
Customization Limitations
Some users may find limitations in customization options for specific testing needs, especially complex scenarios that require highly tailored tests.
Dependency on Internet Connectivity
Since Assertible is a cloud-based service, it requires a stable internet connection, which could pose challenges if connectivity is an issue.

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.

Requestly videos

+ Add

Get Started with Requestly

Assertible videos

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Assertible demo for API testing

Category Popularity

0-100% (relative to Requestly and Assertible)

Requestly

Assertible

Developer Tools

76 76%

Developer Tools

24% 24

API Tools

0 0%

API Tools

100% 100

Testing

100 100%

Testing

0% 0

APIs

64 64%

APIs

36% 36

Questions & Answers

As answered by people managing Requestly and Assertible.

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 Assertible. For example, how are they different and which one is better?

Reviews

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

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

Assertible Reviews

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

Social recommendations and mentions

Based on our record, Requestly seems to be a lot more popular than Assertible. While we know about 35 links to Requestly, we've tracked only 1 mention of Assertible. 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.

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
That’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, we’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-time—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

Assertible mentions (1)

Free for dev - list of software (SaaS, PaaS, IaaS, etc.)
Assertible.com — Automated API testing and monitoring. Free plans for teams and individuals. - Source: dev.to / almost 5 years ago

What are some alternatives?

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

Postman - The Collaboration Platform for API Development

HttpMaster - HttpMaster is a professional software tool for testing and debugging HTTP applications, primarily aimed at REST API applications and web services.

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

API Fortress - API performance, accuracy, and uptime testing. Without code.

ngrok - ngrok enables secure introspectable tunnels to localhost webhook development tool and debugging tool.

Hoppscotch - Open source API development ecosystem

Postman vs Requestly

Postman vs Assertible

HttpMaster vs Requestly

HttpMaster vs Assertible

Proxyman.io vs Requestly

Proxyman.io vs Assertible

API Fortress vs Requestly

API Fortress vs Assertible