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tldx VS Requestly

Compare tldx VS Requestly and see what are their differences

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Contents:
  1. ยป Base Details
  2. ยป Videos
  3. ยป Reviews
  4. ยป Alternatives

tldx logo tldx

Fast CLI to bulk-check domains via RDAP & MCP

Requestly logo Requestly

A Powerfulย API Mockingย andย Testingย Tool
Not present
  • 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.

tldx

Website
github.com
Pricing URL
-
$ Details
-
Platforms
-
Release Date
-
Edit details

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
Edit details

tldx features and specs

  • Simplified TLD Extraction
    tldx provides a straightforward and lightweight utility for extracting top-level domains (TLDs), domain names, and subdomains from URLs, making domain parsing tasks simple and efficient.
  • Fast Performance
    The library is designed to be performant and lightweight, focusing on speed for parsing and extracting domain components without unnecessary overhead.
  • Easy to Use API
    tldx offers a clean and intuitive API that makes it easy for developers to quickly integrate domain parsing functionality into their projects with minimal setup.
  • No External Dependencies
    The library aims to be self-contained with minimal or no external dependencies, reducing potential security vulnerabilities and keeping the package size small.
  • JavaScript/TypeScript Support
    Being a Node.js/JavaScript package, it integrates naturally into modern JavaScript and TypeScript projects, fitting well into the broader web development ecosystem.

Possible disadvantages of tldx

  • Limited Community Adoption
    tldx has a relatively small user base and community compared to more established alternatives like psl or tldts, which means fewer community contributions, less battle-testing, and potentially slower bug fixes.
  • Limited Documentation
    The project's documentation may be sparse or incomplete, making it harder for new users to understand all available features, edge cases, and configuration options.
  • Maintenance Uncertainty
    As a smaller open-source project, there may be concerns about long-term maintenance and whether the library will continue to receive updates, especially for keeping up with changes to the public suffix list.
  • Potential Edge Case Gaps
    Less mature libraries may not handle all edge cases correctly, such as internationalized domain names (IDNs), unusual TLDs, or complex multi-level public suffixes compared to more established alternatives.
  • Narrow Feature Set
    The library focuses specifically on TLD extraction and may lack additional features found in competing libraries, such as URL validation, canonicalization, or more advanced domain analysis capabilities.

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 tldx

Overall verdict

  • tldx is a solid, developer-friendly command-line tool for fast domain name discovery and availability checking, offering good value for those who prefer terminal-based workflows over web interfaces.

Why this product is good

  • Fast bulk domain availability checking directly from the command line
  • Supports generating domain name ideas using prefixes, suffixes, and keyword permutations
  • Allows filtering across many TLDs simultaneously to find available options quickly
  • Open source and free to use, making it accessible for individuals and teams
  • Lightweight and scriptable, fitting naturally into developer automation workflows

Recommended for

  • Developers and technical founders who prefer CLI tools over web-based domain search
  • Entrepreneurs brainstorming and validating domain names for new projects or startups
  • Domain investors who need to check availability across many TLDs in bulk
  • Anyone building automation scripts that require programmatic domain lookups

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.

tldx videos

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Requestly videos

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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 tldx and Requestly)

tldx

Requestly

AI
100 100%
AI
0% 0
Developer Tools
0 0%
Developer Tools
100% 100
SSH
100 100%
SSH
0% 0
Testing
0 0%
Testing
100% 100

Questions & Answers

As answered by people managing tldx 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 tldx and Requestly

tldx Reviews

We have no reviews of tldx yet.
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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 more popular. It has been mentiond 35 times since March 2021. 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.

tldx mentions (0)

We have not tracked any mentions of tldx yet. Tracking of tldx recommendations started around Jun 2026.

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 / 9 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
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What are some alternatives?

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

Portrackr - Control Development Ports with Ease

Postman - The Collaboration Platform for API Development

RepoList - Generate wordlists from Github repositories

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

pkgx - the developer tool to run anything, anywhere

Hoppscotch - Open source API development ecosystem

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