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Postman VS CheckNumber.AI

Compare Postman VS CheckNumber.AI and see what are their differences

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Postman logo Postman

The Collaboration Platform for API Development

CheckNumber.AI logo CheckNumber.AI

CheckNumber.AI provides professional and free WhatsApp number check online service, and provides a professional WhatsApp Number Checker API that can quickly check and detect WhatsApp number in bulk.
  • Postman Landing page
    Landing page //
    2021-07-23
  • CheckNumber.AI WA Number Checker
    WA Number Checker //
    2025-02-19
  • CheckNumber.AI WhatsApp Number Checker API Pricing
    WhatsApp Number Checker API Pricing //
    2025-03-13

CheckNumber.AI provides WhatsApp Number Checker API that enables users to bulk verify whether phone numbers have active WhatsApp accounts. The service provides detailed information about each account's status, including activity levels and regional data.

Key Features

• Bulk Verification: Users can validate multiple WhatsApp numbers simultaneously, making it ideal for businesses with large contact lists. • CSV File Support: The platform allows users to upload CSV files containing phone numbers for automatic processing. • High Accuracy and Speed: The validation system ensures 100% accuracy and delivers results in seconds. • Global Coverage: Supports WhatsApp number validation from any country, accommodating all international phone formats. • History Tracking: Users can access a comprehensive history of previous validations. • Export Options: Results can be exported to CSV files, categorized by success or failure.

Postman

Website
postman.com
Pricing URL
-
$ Details
Platforms
Windows Mac OSX Linux
Release Date
-
Edit details

CheckNumber.AI

Website
checknumber.ai
Pricing URL
Official CheckNumber.AI Pricing
$ Details
-
Platforms
-
Release Date
2024 December
Edit details

Postman features and specs

  • User-Friendly Interface
    Postman features an intuitive and user-friendly interface that simplifies the process of constructing API requests and visualizing responses. This makes it accessible for both beginners and advanced users.
  • Collaboration
    Postman offers robust collaboration features, such as shared workspaces, collections, and real-time editing, enabling teams to work together more efficiently on API development.
  • Comprehensive Testing Tools
    Postman provides a suite of testing tools to create, automate, and manage test cases. It supports automated testing through its scripting environments, which ensure APIs perform as expected.
  • Extensive API Documentation
    Postman can automatically generate comprehensive API documentation, making it easier to maintain and share API specifications with stakeholders and other developers.
  • Mock Servers
    Postman allows users to create mock servers to simulate API responses. This is particularly useful for testing and development purposes when the actual API is not yet available.
  • Integration Capabilities
    Postman offers integrations with various CI/CD tools, version control systems, and other services like Jenkins, GitHub, and Slack, facilitating seamless integration into development workflows.

Possible disadvantages of Postman

  • Resource Intensive
    Postman can sometimes be resource-intensive, consuming substantial memory and CPU, which can impact the performance of your system, especially when dealing with large collections.
  • Steep Learning Curve for Advanced Features
    While Postman is generally user-friendly, some of its advanced features, like scripting and automation, can have a steep learning curve and might require additional effort to master.
  • Pricing
    Although Postman offers a free tier, many of its advanced features, such as enhanced collaboration tools and extended integrations, are locked behind paid plans, which may not be cost-effective for smaller teams or individual developers.
  • Dependency on Internet
    Some of Postman's features, particularly those related to collaboration and synchronization, require a stable internet connection, which can be a limitation in environments with poor connectivity.
  • Limited Native Support for Certain Protocols
    Postman primarily focuses on HTTP/HTTPS protocols and may offer limited or no native support for other protocols, which can be restricting for developers working with diverse sets of technologies.

CheckNumber.AI features and specs

  • Efficiency
    CheckNumber.AI provides efficient number verification, cutting down the time needed for manual checks of large datasets.
  • Accuracy
    The AI-driven verification process ensures a high level of accuracy in confirming that numbers are valid and properly formatted.
  • Integration
    It can be easily integrated with existing systems and workflows, enhancing the automation of data processing tasks.
  • Scalability
    CheckNumber.AI's cloud-based service is scalable, allowing it to handle both small and large volumes of data efficiently.

Possible disadvantages of CheckNumber.AI

  • Cost
    The service might be costly for small businesses or individual users, especially if required for only occasional use.
  • Data Privacy
    Concerns may arise regarding the privacy and security of data being processed, especially if the numbers include sensitive information.
  • Dependency on Internet
    As a cloud-based service, CheckNumber.AI requires a stable internet connection, making it less ideal for environments with limited connectivity.
  • Learning Curve
    New users may experience a learning curve in understanding and effectively implementing the service within their systems.

Analysis of Postman

Overall verdict

  • Yes, Postman is widely regarded as a good tool for API development and testing. Its combination of powerful features and ease of use makes it a popular choice among developers.

Why this product is good

  • Postman is considered a top choice for API development due to its user-friendly interface, extensive features for testing, automation, and collaboration, and strong community support. It simplifies the process of creating, managing, and testing APIs, making it accessible for both beginners and experienced developers.

Recommended for

  • Developers working on API integration
  • QA engineers involved in testing APIs
  • Teams in need of collaborative API development
  • Developers looking to automate API testing
  • Individuals looking for a comprehensive API testing tool

Postman videos

+ Add

POST/CON 2018 workshop in review: Running Postman Collections

More videos:

  • Review - POST/CON 2018 workshop in review: Postman Collections
  • Tutorial - How to Share Postman Collections

CheckNumber.AI videos

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

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Category Popularity

0-100% (relative to Postman and CheckNumber.AI)

Postman

CheckNumber.AI

API Tools
100 100%
API Tools
0% 0
WhatsApp
0 0%
WhatsApp
100% 100
APIs
99 99%
APIs
1% 1
AI
0 0%
AI
100% 100

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare Postman and CheckNumber.AI

Postman Reviews

Postman vs Apidog: Choosing the Suitable API Development Tool
Forking Existing Collections: One of Postman’s unique strengths is the ability to fork collections created by others. Developers can easily duplicate publicly available Postman collections, modifying them to fit their particular needs without starting from scratch. This feature saves time and encourages collaboration by allowing developers to build upon existing work.
Source: dev.to
Top 20 Open Source & Cloud Free Postman Alternatives (2024 Updated)
As the digital landscape evolves, the significance of APIs (Application Programming Interfaces) has surged, facilitating seamless communication between various software applications. Postman has been a leading tool in this space, offering a comprehensive platform for API development, testing, and documentation. However, recent shifts in its pricing model and user experience...
Source: medium.com
Best Postman Alternatives To Consider in 2025
- Focus on specific needs: Does the tool excel at SOAP APIs or cater to microservices? - Resource usage: Does it handle complex projects without impacting system performance? - Script reusability: Does it allow for efficient code sharing across projects?3. Is Postman the best API tool?Not all-encompassing. While Postman is powerful, the "best" tool depends on your specific...
Source: www.hypertest.co
Postman Alternatives for API Testing and Monitoring
Some engineers turn to Postman for API testing and monitoring needs. However, Postman is a costly and limited solution. QA, DevOps and other engineers may find it lacks capabilities that can answer their needs. In this blog post, we provide 12 Postman alternatives built for the enterprise.
Source: www.blazemeter.com
Beeceptor vs Postman
You cannot download request log. Although, you can use Postman APIs to query and retrieve.
Source: beeceptor.com

CheckNumber.AI Reviews

  1. draculazmm
    very good tool for whatsapp number check

    I found this website on Google, uploaded 100,000 numbers, and got the results in under 3 minutes. I'm very satisfied, the efficiency is amazing.

Social recommendations and mentions

Based on our record, Postman seems to be more popular. It has been mentiond 30 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.

Postman mentions (30)

  • Best API Mocking Platforms in 2024
    Postman (postman.com) is a comprehensive API platform that goes beyond mocking, offering a full suite for API development, testing, and monitoring. With its mock server feature, Postman enables teams to simulate responses for various endpoints, making it a popular choice for end-to-end API management. - Source: dev.to / 11 months ago
  • 10 Best API Mocking Tools (2024 Review)
    Postman is a widely used tool for API testing and interaction. Its "Mock Servers" feature lets you create a mock version of your API, returning specific responses for testing. While useful, Postman may lack advanced mock server management features compared to other tools. - Source: dev.to / 11 months ago
  • The 3 Best Tools for API Design for Software Architects
    Postman is a widely adopted tool for API design and development, offering an intuitive interface for creating, testing, and documenting APIs. It simplifies the API design process, allowing architects to quickly prototype and refine their designs. - Source: dev.to / about 1 year ago
  • How to use ApyHub to Build a Serverless Function in NodeJs?
    Once deployed, thoroughly test your serverless function to confirm it behaves as expected. Invoke the function manually from the cloud platform’s console or use tools like Postman, Apidog, or Fusion ( Fusion is ApyHub’s own API Client ) to test HTTP-triggered functions. Ensure the function executes correctly and handles errors gracefully. - Source: dev.to / over 1 year ago
  • Mastering Microservices: A Hands-On Tutorial with Node.js, RabbitMQ, Nginx, and Docker
    To test the API endpoints, you can use Postman. Download and install Postman from Postman's official website. - Source: dev.to / over 1 year ago
View more

CheckNumber.AI mentions (0)

We have not tracked any mentions of CheckNumber.AI yet. Tracking of CheckNumber.AI recommendations started around Feb 2025.

What are some alternatives?

When comparing Postman and CheckNumber.AI, you can also consider the following products

Insomnia REST - Design, debug, test, and mock APIs locally, on Git, or cloud. Build better APIs collaboratively for the most popular protocols with a dev‑friendly UI, built-in automation, and an extensible plugin ecosystem.

Ekycpro WhatsApp Number Checker API - Our WhatsApp number checker API allows you to bulk check online if a phone number has an active WhatsApp account. The API also provides information about the WA account's status.

MuleSoft Anypoint Platform - Anypoint Platform is a unified, highly productive, hybrid integration platform that creates an application network of apps, data and devices with API-led connectivity.

2Chat.co - WhatsApp automation for teams: connect WhatsApp Messenger and WhatsApp business to your workflows.

RapidAPI for Mac - Paw is a REST client for Mac.

WA-Filter - Filter valid and invalid WhatsApp numbers effortlessly with WA-Filter, the ultimate Chrome Extension for accurate number identification and efficient contact management.

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