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Top 5 Postman Alternatives with Unlimited Collection Runner

Discover the top tools with unlimited collection runner capabilities for seamless API testing. This guide covers Apidog, Kong, and more. Perfect for developers and testers who need robust, scalable solutions.

@apidog

@apidog

Updated on November 5, 2024

APIs are the backbone of modern applications. Every successful software needs to ensure its APIs work seamlessly, and that's where API testing tools come in. But what if your tool offers more than just basic functionality? What if it provides an unlimited collection runner? That’s a game-changer for developers and testers who need robust solutions.

In this blog post, we’re diving deep into the top tools with unlimited collection runner capabilities. These tools take the hassle out of API testing, saving you time while ensuring top-notch performance. Let's break it all down, and don’t worry—I’ll walk you through everything in a conversational, easy-to-follow tone.

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Before we jump into the specifics, I highly recommend checking out Apidog, a powerful API testing tool that offers a host of features, including an unlimited collection runner. You can download Apidog for free right now and experience the difference yourself!
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What is an Unlimited Collection Runner?

If you’re new to API testing, the term "unlimited collection runner" might sound like jargon. Don’t worry, though! I’ll explain it in simple terms.

An unlimited collection runner allows you to run a series of API requests (called collections) as many times as you want. This is particularly useful when you need to test different scenarios, data sets, or performance limits. Instead of manually executing each test, the runner does it for you—automatically and repeatedly—until you're satisfied with the results.

The unlimited aspect is key here: You’re not limited to just a few test runs. Whether you're handling a few hundred requests or millions, these tools have got your back.

Why Do You Need a Tool with an Unlimited Collection Runner?

Imagine testing an API with hundreds of endpoints and different variables. Doing this manually would take days, if not weeks! With an unlimited collection runner, you automate everything, which leads to:

  • Efficiency: No more manual tests—set it and forget it.
  • Scalability: Handle as many tests as you need, from small to large.
  • Performance testing: Test how your APIs perform under various load conditions.
  • Time-saving: Run thousands of tests in minutes, not hours.

Now, let’s talk about the top tools with an unlimited collection runner that make API testing effortless.

1. Apidog: The All-in-One API Testing Tool

When it comes to API testing, Apidog is a standout. Apidog is a versatile tool that caters to both beginner and advanced users with an easy-to-use interface, comprehensive testing features, and—of course—an unlimited collection runner. What makes Apidog even more special is its all-in-one nature: you can design, test, document, and mock APIs from one platform.

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Test scenarios in Apidog are essentially equivalent to Postman collection runners. You can easily organize and manage your API requests, create, share, and generate detailed reports for better analysis and collaboration.

Key Features:

  • Unlimited Collection Runner: Run your collections as many times as you need, making bulk API testing a breeze.
  • Mock Server: Test your APIs without the backend being fully developed.
  • Detailed Reporting: Get in-depth insights into every test run.
  • Collaboration: Share your tests and API documentation easily across teams.

Using Apidog's collection runner, you can test various API scenarios, from functional to load testing, ensuring that your APIs are production-ready.

Why Choose Apidog?

With Apidog, you’re not just getting an API tester—you’re getting a comprehensive tool for every step of API development and testing. And the best part? You can download Apidog for free and start automating your tests today!

2. Postman: Get Unlimited Collection Runner for free

If you've worked in API testing before, chances are you've heard of Postman. It’s one of the most popular API testing tools on the market and offers an extensive range of features, including an limited collection runner but their is a way to get unlimited collection runner

How to get Unlimited Collection Runner in Postman for Free

Apidog offers a user-friendly and intuitive interface, making it easy for beginners to quickly grasp and utilize its features. Let's follow the steps below to see how we to export Postman Collection and test all your APIs in Apidog effectively and efficiently.

Step 1: Export Your Postman Collection

You can select the desired collection click the "Export" option, and seamlessly transfer the collection from Postman to Apidog, as shown in the screenshot below.

Export Your Postman Collection

Note: It is recommended that you select Collection v2.1. This is because if you export the file in the Collection v2.1 format, all queries, directories, and details about your environment will be included in the file.

Collection v2.1

Step 2: Import Postman Collection into Apidog

Log in to Apidog, import the exported file as shown in the picture, select "Settings" from the left menu, and then select "Import".

Apidog Settings

Select "Postman" and upload a file from downloads. Upload output data source from Postman. Click the “Confirm” button.

Confirm

After importing successfully, you can view APIs in the left-sidebar in APIs. And if you want to test these requests, just utilize the feature of  "Test Scenario."

Postman APIs

Step 3 Create a New Test Scenario

Click the "+" button on the "Testing" page in the Apidog latest version, and setting up the details of the New Test Scenario, such as the priority, test scenario name, and folder.

create new test scenario
test priority

Step 4: Import from API Cases

Create detailed test cases that provide specific steps and conditions to execute the test. Include input data, expected outcomes, and any preconditions or postconditions.

Import from API Csaes

Review the test scenarios and test cases to ensure they are comprehensive and cover all critical functionalities and features. Validate the test cases to ensure they accurately represent the test scenario objectives.

test steps

Step 5. Run the Test Scenario

Review the test scenarios and test cases to ensure they are comprehensive and cover all critical functionalities and features. Validate the test cases to ensure they accurately represent the test scenario objectives.

Run the test cases and track the results. Document any defects or issues that are found during the testing process.

What’s Great About Postman?

Postman has been around for a while, and their community is large and active. However, to get access to the unlimited runner, you’ll need to subscribe to their paid plans, which may be a limiting factor for smaller teams or solo developers.

3. Kong Insomnia: An API Management Leader with Collection Runner Capabilities

Kong Insomnia is a well-known name in the world of API management. It’s more than just a testing tool—it’s a full-fledged API gateway. Insomnia v10 ships with a built-in Collection Runner that allows you to run an unlimited number of collection runs whether you are storing your data locally, on Git, or in the cloud.

Key Features:

  • API Gateway: Manage your APIs efficiently with Kong’s powerful gateway.
  • Automated Testing: Use Kong in combination with tools like Apidog or Postman to automate testing.
  • Performance Monitoring: Get real-time insights into your API’s performance.
  • Security: Built-in security features to ensure your APIs are protected.
Announcing Insomnia 10 GA with Unlimited Collection Runner, Invite Control, and AI Runner for Developers
The momentum of Kong Insomnia continues with the latest v10 GA release, which ships with capabilities like the long-awaited Collection Runner built into the application, a new governance capability called “Invite Control,” and an entirely new capability for AI consumption.

Why Go for Kong?

If you're already using Kong for API management, integrating an unlimited collection runner tool is seamless and efficient. It’s perfect for large organizations that need to scale their API testing alongside their infrastructure.

4. ReadyAPI: Robust API Testing for Enterprises

ReadyAPI by SmartBear is designed specifically for enterprise-level testing. If you’re working with a lot of APIs or need a tool with deep integration into other systems, ReadyAPI is an excellent option.

Key Features:

  • Unlimited Collection Runner: Built-in functionality for running bulk tests.
  • Load Testing: Stress-test your APIs to ensure they can handle high traffic.
  • Comprehensive Reporting: Get granular details on each test run.
  • Seamless Integration: Works well with other SmartBear products.

Why Consider ReadyAPI?

ReadyAPI is designed for big businesses that need enterprise-grade features. If your company requires advanced reporting, security, and integration options, this tool is for you.

5. SoapUI: A Go-To for SOAP API Testing

For those working with SOAP APIs, SoapUI is probably the best tool out there. While most tools focus on RESTful APIs, SoapUI specializes in SOAP-based services. Like the other tools on this list, it offers an unlimited collection runner as part of its paid plans.

Key Features:

  • Collection Runner: Run extensive tests on your SOAP APIs.
  • API Mocking: Test APIs before they’re even built.
  • Load Testing: Ensure your APIs can handle high traffic.
  • Integration: Works well with other testing and development tools.

Why SoapUI?

If you’re working with SOAP APIs, SoapUI is one of the few dedicated tools out there. The collection runner feature ensures you can test your APIs as often as needed.

The Benefits of Using Tools with Unlimited Collection Runners

Using tools with unlimited collection runners is a no-brainer if you're serious about API testing. Here are some of the benefits:

  1. Increased Productivity: Run hundreds, if not thousands, of tests without lifting a finger.
  2. Better Test Coverage: Ensure all endpoints, edge cases, and scenarios are thoroughly tested.
  3. Time-Saving: Spend less time manually running tests and more time on development.
  4. Scalability: Whether you’re a solo developer or part of a large team, these tools can handle the workload.

Conclusion

Having a tool with an unlimited collection runner can completely transform the way you approach API testing. Whether you're testing hundreds of endpoints or running stress tests on a large-scale application, these tools will save you time, effort, and resources.

While each tool listed here has its own strengths, Apidog stands out for its comprehensive features and user-friendly design. If you’re ready to take your API testing to the next level, I highly recommend giving it a try.

Download Apidog for free and experience the ease of unlimited collection runners for yourself!
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