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20 Best Postman Alternatives for Automated API Testing

April 3, 2024Aaron Thomas
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Postman has earned its reputation as a popular and effective API tool. However, several noteworthy options exist for those seeking alternatives that may better align with specific needs and preferences. These Postman alternatives offer distinctive features and capabilities, catering to various aspects of the testing process.

In this blog, we will delve into these Postman alternatives, examining their functionalities, advantages, and potential areas of specialization. This comparative analysis aims to provide a comprehensive understanding of the available choices, enabling you to decide on the most suitable API testing tool for your particular requirements.

Before that, let us understand “why we need an API.”

How Does an API Work?

Imagine you order food online and look for the best restaurants and food of your choice. You type in your preferred food item and tap the search button to see the various options available from multiple restaurants. But what happens between your search and receiving the app’s results? This is where the API enters the picture. It helps take your request to the backend and ensures to return and fulfill its request.

Why Do You Need API Testing?

You must test APIs to ensure the project meets the expectations of functionality, security, performance, and reliability. This testing enables developers to begin testing early in the development cycle and eliminate more than half of existing bugs before they become more severe issues, saving time, resources, and money in the long run.

Postman has many fans. It’s never going to be close to being called a flawed tool in a century; you may use it more often than you think. However, other Postman alternatives are also available that you should be aware of. We have compiled a list of the best Postman alternatives we could find (in case one of these features is missing), so have a look!

20 Best Postman Alternatives

Testsigma

Testsigma is a cloud-based, end-to-end automated API testing tool that redefines API testing without needing frameworks, setups, or coding. It completely customizes API call sequences, enhancing workflow and preventing future errors.

Its parameterized testing sets Testsigma apart, which allows multiple test data sets without script changes, and its flexibility in validation methods. It seamlessly integrates with essential applications, making it an ideal fit for Dev and QA toolchains.

You can explore Testsigma with the free trial here.

Testsigma’s no-code functionality and versatility as an alternative to Postman, supporting both functional UI and API testing, make it an attractive choice for API testing.

Automate your API tests with Testsigma 

api test automation
api test automation

Key Advantages of Testsigma Over Postman

  • Integrated Testing: Testsigma bridges API and UI testing, while Postman primarily focuses on API testing.
  • No-Code: Testsigma offers a no-code approach, simplifying test creation compared to Postman’s scripting.
  • Parameterized Testing: Testsigma allows for executing API tests with multiple data sets without script changes, which may be more complex in Postman.
  • Flexible Validation: Testsigma offers various validation options, adapting to different requirements more flexibly than Postman.
  • Integration: Testsigma seamlessly integrates with DevOps tools like JIRA and Jenkins, facilitating CI/CD pipelines, while Postman’s integrations may be less extensive.
  • Cost Options: Testsigma provides a range of pricing options, including a community edition with open-source features, making it accessible to smaller teams.
  • Comprehensive Testing: Testsigma covers API, UI, mobile app testing, and test analysis in one platform, offering a more extensive testing solution than Postman’s primary focus on API testing.
Testsigma Vs Postman

JMeter

Jmeter

Overview:
JMeter is a popular open-source tool designed for performance testing and load testing of applications. It’s widely used for testing the performance of web applications, databases, and more.

JMeter Key Features:

  • HTTP, FTP, JDBC Support: JMeter supports testing various protocols, including HTTP, FTP, and JDBC, making it versatile for different types of performance tests.
  • Scalability: It allows for distributed testing, enabling you to simulate many users and stress test your application.
  • Scripting: JMeter uses a GUI interface for creating test plans and supports scripting for complex test scenarios.
  • Rich Reporting: JMeter provides various graphical and tabular reporting options, helping you analyze test results comprehensively.

Pros:

  • Open Source: JMeter is free and has an active user community.
  • Versatile: It can be used for various types of testing, from web applications to databases.
  • Scalable: JMeter allows for testing on a large scale by distributing load across multiple machines.
  • Rich Reporting: Offers detailed reports and graphical representations of test results.

Cons:

  • Learning Curve: It may have a steep learning curve for beginners.
  • Resource Intensive: Running large-scale tests can be resource-intensive.
  • Limited Protocols: While it supports many protocols, it may not cover some niche protocols.

ReadyAPI

Ready Api

Overview:
ReadyAPI, developed by SmartBear, is a comprehensive API testing tool that offers a suite of features for functional, load, and security testing of APIs.

ReadyAPI Key Features:

  • Functional Testing: ReadyAPI allows you to create and execute functional tests for REST and SOAP APIs.
  • Load Testing: It supports load testing to assess how APIs perform under different load levels.
  • Security Testing: ReadyAPI includes security testing features to identify vulnerabilities in APIs.
  • Data-Driven Testing: You can use data-driven testing to assess how APIs respond to different input data.

Pros:

  • Comprehensive: Offers a wide range of testing capabilities in a single tool.
  • Integration: Integrates with various development and CI/CD tools.
  • User-Friendly: It has an intuitive interface, making it accessible to both developers and testers.
  • Strong Support: Backed by SmartBear, which provides excellent support and resources.

Cons:

  • Cost: ReadyAPI is a commercial tool, and the full version can be expensive.
  • Resource Intensive: Running large-scale tests can require significant system resources.

Tricentis Tosca

Tricentis Tosca

Overview:
Tricentis Tosca is an enterprise-level test automation platform that covers a wide range of testing types, including functional, load, and end-to-end testing.

Tricentis Tosca Key Features:

  • Test Automation: Tosca offers scriptless test automation, making it accessible to non-technical users.
  • Continuous Testing: It supports continuous testing in DevOps pipelines.
  • Test Data Management: Provides features for managing and provisioning test data.
  • Integration: Integrates with a variety of tools and technologies.

Pros:

  • Comprehensive: Covers a wide range of testing types in one platform.
  • Scriptless Automation: Allows non-technical users to create and execute tests.
  • Scalable: Suitable for both small teams and large enterprises.
  • Integration: Offers strong integration capabilities.

Cons:

  • Cost: Tricentis Tosca is a premium tool and may be costly for smaller organizations.
  • Learning Curve: Mastering all of its features can take time.

Assertible

Assertible

Overview:
Assertible is an automated testing platform designed for API testing and monitoring.

Assertible Key Features:

  • API Testing: Allows for the creation and execution of API tests.
  • Webhooks: Supports webhooks for automated testing triggered by external events.
  • Continuous Integration: Easily integrates with CI/CD pipelines.

Pros:

  • Simplicity: Assertible is straightforward to set up.
  • Automation: Provides automation capabilities for API testing.
  • Integration: Seamlessly integrates with popular CI/CD tools.

Cons:

  • Scope: Primarily focused on API testing and may lack features for other types of testing.
  • Limited Complexity: This may not be suitable for highly complex test scenarios.

Karate Labs

Karate Labs

Overview:
Karate is an open-source tool for API testing and scripting, emphasizing using natural language to create tests.

Karate Key Features:

  • BDD Syntax: Uses Behavior-Driven Development (BDD) syntax for writing tests.
  • Parallel Execution: Supports parallel test execution.
  • Integrated Reporting: Provides built-in HTML reports for test results.

Pros:

  • Open Source: Karate is free and open source.
  • Natural Language: Enables testing in plain English, making it accessible.
  • Parallel Execution: Allows for efficient parallel test runs.

Cons:

  • Limited Scope: Primarily designed for API testing and may not cover other testing types.
  • Learning Curve: While simpler than some tools, it may still require some learning.

Paw

Paw

Paw is an advanced API tool with powerful features designed explicitly for Mac. Its primary function is to test and describe APIs, and it provides a beautiful interface to make activities such as composing requests, inspecting server responses, and exporting API definitions easier.

Paw, like Postman, is a collaborative tool that promotes teamwork. It enables you and your team to make changes and receive real-time updates. It also allows you to synchronize API test configurations. This program makes it easier to create and test software.

Paw: Key Features

  • macOS Compatibility: Paw is designed for seamless compatibility with macOS, making it an ideal choice for Mac users.
  • Visual Editor and HTTP Toolset: It offers a full-featured visual editor and HTTP toolset, simplifying API design and management.
  • Schema Support: Paw supports JSON schema and complies with Swagger and RAML descriptions, enhancing API design and documentation.
  • OAuth Support: The tool supports both OAuth 1.0 and 2.0, ensuring secure API access and authentication.
  • Built-in Mock Server: Paw includes a built-in mock server, allowing users to simulate API behavior for thorough testing and development.
  • Code Generation: Users can generate code in various languages, including Objective-C, Swift, and JavaScript, simplifying API integration and development.
  • Automatic API Documentation: Paw can automatically generate API documentation from API requests, enhancing the accessibility of API information for team members.

Pros:

  • Excellent user interface
  • End-users will find it simple to visualise and test our APIs.
  • More steady and efficient than the competitors

Cons:

  • It’s not free.
  • Only available on macOS

Paw subscription starts at $49.99/month per user.

Insomnia

Insomnia

Insomnia by Kong enables you to deliver high-quality APIs through collaboration. This postman alternative also includes testing suites, which allow you to create functional tests and centralize APIs. With this platform’s streamlined API client, sending GraphQL, REST, and SOAP requests are simple. Defining variables such as authentication credentials allows you to manage multiple environments.

Furthermore, Insomnia provides powerful tools to help your team accelerate API development. You can make the most of API development by using the built-in specification editor. Thanks to the instant design preview, you can easily make changes without switching applications.

Insomnia: Key Features

  • macOS Compatibility: Insomnia is designed to run seamlessly on macOS, ensuring a smooth experience for Mac users.
  • Visual Editor and HTTP Toolset: It offers a comprehensive visual editor and HTTP toolset for efficiently creating, testing, and managing APIs.
  • Schema Support: Insomnia supports JSON schema and fully complies with Swagger and RAML descriptions, streamlining API design and documentation.
  • OAuth Support: The tool supports OAuth 1.0 and 2.0, ensuring secure API access and authentication.
  • Built-in Mock Server: Insomnia includes a built-in mock server, allowing users to simulate API behavior for thorough testing and development.
  • Code Generation: Users can generate code in various languages, such as Objective-C, Swift, and JavaScript, simplifying API integration and development.
  • Automatic API Documentation: Insomnia can automatically generate API documentation from API requests, enhancing the accessibility of API information for team members.

Pros:

  • Cross-platform, available for Mac, Windows, and Linux
  • Available as Open-Source
  • Great user interface

Cons:

  • Does not have a history feature

The pricing starts from free to $ 12 per user/ month.

Testfully

Testfully

This Postman alternative runs in the browser and does not require any software installation. It can inspect responses from both local and deployed Restfully and GraphQL APIs and supports Environments and Configs, as well as the ability to embed random data in your requests. 

Moreover, Testfully saves your requests to the cloud, which you can easily share with your teammates. Testfully’s API testing and monitoring features enable you to re-use tests easily and validate the correctness of your local and deployed APIs in different environments. This means you can quickly test and monitor your endpoints without configuring anything.

Testfully offers a free plan with unlimited team members, and the pricing model is not based on the number of users. The only downside Testfully has is that it does not support Soap API. It will cost $49 a month to access their paid features.

Testfully: Key Features

  • SOAP API Support: Testfully focuses on REST APIs and currently does not support SOAP APIs.
  • Configuration Flexibility: It allows users to configure headers, query parameters, and authorization for requests, folders, and environments, enhancing customization for specific testing needs.
  • Authorization Methods: Testfully supports various authorization methods, including OAuth2, Basic Auth, Bearer Token, and API Key, ensuring secure API testing.
  • Unlimited Testing: Users can run collections without limitations, even with a free plan, promoting extensive and comprehensive testing.
  • No-Coding Validation: Testfully requires no coding for API validation, making it accessible for all team members, regardless of coding proficiency.
  • Advanced Testing: It supports multi-step tests and request chaining, enabling advanced and thorough API testing to identify complex issues.
  • Collaboration: Testfully facilitates collaboration with team members through shared requests and folders while protecting sensitive information using user-scoped variable values for enhanced security.

Pros:

  • Multi Environment Support
  • Implement multi-step tests by leveraging your existing requests

Cons:

  • Does not support Soap API

Swagger UI

Swagger

Swager UI is another Postman alternative for easier API visualization and interaction with API resources. This Postman alternative has well-organized documentation that is simple to navigate. You can quickly locate resources and collaborate with them to increase productivity. The open-source tool has no dependencies, so you can use it in any environment, whether local or online. It is user-friendly and allows end developers to interact and experiment with API operations.

One of the most appealing features is that Swagger UI is entirely customizable. You can freely modify your tool to meet your needs with complete access to the source code. Swagger UI makes an existing JSON or YAML document interactive. It creates a platform that organizes and categorizes our methods (get, put, post, delete).

Swagger: Key Features

  • Robust API Design Toolset: Swagger provides comprehensive tools for designing APIs, streamlining the development process.
  • API Mocking: It enables the simulation of API behavior before actual implementation, making it valuable for early-stage testing and prototyping.
  • Seamless CI/CD Integration: Swagger seamlessly integrates into Continuous Integration/Continuous Deployment (CI/CD) pipelines, facilitating automated testing.
  • Code Generation: With Swagger Codegen, it’s possible to generate server stubs and client Software Development Kits (SDKs) for any API, enhancing development efficiency.
  • Customizable UI: Swagger UI is highly customizable, allowing testers to tailor API documentation to their specific needs.
  • Collaboration Tools: Swagger includes features that promote effective collaboration within development teams.
  • Support for Multiple API Specifications: It accommodates various API specifications, including OpenAPI, Swagger 2.0, and RAML, enhancing flexibility and compatibility.

Pros:

  • Better documentation of API
  • User-friendly to understand for non-developer to their needs.
  • Can iterate through multiple versions of a definition privately before making a version publicly available.

Cons:

  • Lacks versatility in importing files
  • Needs better integration with the third-party softwares
  • It doesn’t have a way to write test cases as Testsigma has.

Swagger UI is available in both open-source and paid versions, where team plans cost $90/month, so you can pick the one that best suits your needs. Get here the detailed comparison of Postman VS Swagger

Soap UI

Soap UI

SoapUI provides security and load testing features, and its functional testing supports SOAP and REST API. Users can use SoapUI’s drag-and-drop or point-and-click for scripting features, creating and running automated regression, compliance, and load tests on Web API.

Due to its simple and easy-to-use interface, this postman alternative can be easy to access for users without a technical background.

Compared to Postman, it offers a broader range of API testing features, such as SOAP testing, API discovery, automated assertion creation, templated data insertion, and open-source standards. Depending on your needs, testers and businesses can use the open-source or pro version starting at $829/month.

SoapUI: Key Features

  • Diverse Protocol Support: SoapUI boasts a wide range of protocol support, encompassing HTTP, HTTPS, JMS, AMF, JDBC, and more, enhancing its versatility.
  • Data-Driven Testing: It offers data-driven testing, a feature not found in Postman, enabling comprehensive and data-focused testing.
  • Robust Reporting and Analytics: Detailed reporting and analytics capabilities in various formats facilitate insightful test analysis.
  • Automated Functional Tests: SoapUI empowers users to create automated functional tests to validate the behavior of SOAP, REST, and other web services.
  • Command Line Interface: It supports a command-line interface, enhancing automation and integration possibilities.
  • Script Reusability: Scripts can be reused across projects, increasing efficiency in test script management.
  • Mock Service Creation: SoapUI allows the creation of mock services to simulate the behavior of real services, enabling isolated and controlled testing.

Pros:

  • Load testing web services using different techniques.
  • Supports making calls to RESTful APIs
  • Both SOAP and REST API are available

Cons:

  • UI needs to be improved
  • No history of executed tests
  • Has performance issues

API Gateway by Amazon

AWS

Amazon API Gateway is a solution to help you design, maintain, and publish APIs at any scale. It is a fully managed service that enables apps to access backend data and capabilities effortlessly. 

Amazon API Gateway has several advantages, including quick API creation and the flexibility to execute the same API with numerous versions. This API Gateway develops two APIs: RESTful APIs and WebSocket APIs. It also offers API development at any size to easily monitor API requests.

HTTP APIs are effective for developing RESTful APIs designed for serverless workloads. WebSocket APIs, on the other hand, can be utilized to create two-way communication apps.

While keeping costs in mind, their free tier comes with 1 million REST API requests, 1 million HTTP API calls, 1 million messages, and 750,000 connection minutes. Post that, 

HTTP API calls cost $1 for the first 300 million requests and $.90 per million after that. REST API calls are significantly more expensive, costing $3.50 per million requests for the first 333 million (there are price breaks after that).

API Gateway by Amazon: Key Features

  • AWS Integration: API Gateway by Amazon is tightly integrated with Amazon Web Services (AWS), facilitating cloud-based API management.
  • Scalability: It offers scalability to accommodate API traffic growth without performance issues.
  • Customizable Endpoints: Users can customize API endpoints, ensuring compatibility with various applications and services.
  • Detailed Monitoring: It provides detailed monitoring and logging for API traffic analysis and troubleshooting.

Pros:

  • Monitoring and Analytics
  • Decreased Microservices complexity
  • Easy deployment

Cons:

  • Configuring your application API and API Gateway will require more orchestration.
  • due to the multitude of scenarios Performance degradation is a concern
  • Easier integration with different AWS network schemes

Hoppscotch

Postman alternative- Hoppscotch

Hoppscotch is an open-source Postman alternative. Engineers, software developers, quality assurance (QA) testers, and product managers will benefit from the Hoppscotch platform’s integrated API development tools. It comes with a web client touted as an “online collaborative API playground,” allowing numerous developers or teams to construct, test, and exchange APIs.

You can access Hoppscotch without an account. Hoppscotch has a specialized user interface for Restful, GraphQL, and Web socket connections. Using Hoppscotch’s Environment and Variable features, you can submit requests to APIs in multiple settings. Hoppscotch’s testing technique is similar to Postman’s, where a basic code editor for writing Javascript test cases utilizes Hoppscotch’s testing infrastructure.

You can send messages to Web sockets using a dedicated GUI. This Dedicated GraphQL API GUI allows you to study GraphQL schemas and send requests efficiently, and there have been specific UI problems Hoppscotch that will be fixed in future editions.

Since its open-source, it is available for free.

Hoppscotch: Key Features

  • Immediate Accessibility: Hoppscotch is a free, lightweight tool that’s instantly accessible, requiring no account creation.
  • Intuitive Interface: It features a clean interface for swift creation, testing, and debugging of API requests, promoting user-friendliness.
  • Real-Time Data Handling: Hoppscotch provides real-time request/response data, enabling on-the-fly assessment of API interactions.
  • Versatile Request Types: It supports many HTTP request types, including GET, POST, PUT, DELETE, PATCH, and OPTIONS, accommodating diverse testing needs.
  • Customization: Users can customize headers and parameters to test various scenarios comprehensively.
  • Data Format Support: Hoppscotch handles JSON and form data, enhancing its versatility in testing data exchange.
  • Automatic Response Validation: It automatically validates responses based on expected status codes and data formats, simplifying result assessment.
  • Request Organization: Requests can be organized into collections for efficient project management and testing.
  • Code Snippets: The tool offers code snippets, simplifying API request creation.
  • Import/Export Functionality: Hoppscotch supports request import and export, making it easy to share and reuse requests.
  • Active Development: It is actively developed and maintained, ensuring improvements and compatibility.

Pros:

  • Has great UI
  • Available as Open Source
  • Can be self-hosted

Thunder Client

Postman alternative- Thunder client

Thunder Client is a Vscode Postman alternative that runs as a Visual Studio Code extension (not open source). Its design focuses on simple and efficient HTTP clients while constructing or connecting with APIs. Thunder Client can handle a wide range of API requests. It effectively processes immense amounts of data simultaneously while not slowing down the VS Code program.

It enables collections for grouping related requests and supports the concept of Environment and Environment Variables, which allow you to store and re-use information across numerous requests. ThunderClient provides a UI for setting the desired response code, response time, and response body for testing APIs.

It also supports Visual Studio Code themes and will use your current VS Code theme. Thunder Client is a fantastic choice for a small team that requires basic functionality such as collections, an environment variable, and testing.

Thunder Client is available for free but only available as a VScode extension.

Thunder Client: Key Features

  • Postman Alternative: Thunder Client is a user-friendly Postman alternative designed for API testing and development.
  • Built-in Environment Management: It offers built-in environment management, making switching between different setups and configurations easy.
  • Real-time Response Preview: Thunder Client provides a real-time preview of API responses, helping testers and developers assess data instantly.
  • Collection and Workspace Organization: Like Postman, Thunder Client allows users to organize requests into collections and workspaces for efficient project management.
  • Syntax Highlighting: The tool includes syntax highlighting for request scripts, enhancing the readability and ease of use.
  • Support for Multiple Request Types: Thunder Client supports various requests, such as GET, POST, PUT, DELETE, and more.

Pros:

  • It feels light to use.
  • There is no need for an installer because we can use it straight in an IDE like VScode.
  • It is simple to install; simply click on the install button on the vscode extension.

Cons:

  • Only available as a VScode extension.

Firecamp

Postman alternative- Firecamp

Firecamp is an API testing and development platform that is both free and simple to use. It provides many critical metrics for API testing, such as response time, response size, status codes (with meanings), and other data.

One of the most delicate features of Firecamp is the ability to test WebSockets and GraphQL in addition to standard REST APIs. Firecamp is accessible as a Chrome extension and a standalone application for Linux, Windows, and macOS.

Furthermore, free users can invite up to three team members to collaborate in their workspace. Firecamp includes a graphical user interface (GUI) for WebSocket, GraphQL, and Socket.io. With its collections feature, you can group numerous API services and focus on one at a time. Postman collections can be imported, but not Postman environments, and the UI can sometimes be confusing.

The pricing for this Postman alternative starts at $9 (per month/user) apart from the free version, which has limited features.

Firecamp: Key Features

  • Multi-Protocol Support: Firecamp supports multiple protocols, including HTTP, WebSocket, and GraphQL, providing flexibility for various testing needs.
  • Real-time Collaboration: It offers real-time collaboration features, allowing team members to work together seamlessly.
  • Integrated API Monitoring: Firecamp includes integrated API monitoring capabilities for tracking API performance and identifying issues.
  • Extensions and Workspaces: Users can extend Firecamp’s functionality through extensions and organize their work within dedicated workspaces.
  • Code Generation: Similar to Postman, Firecamp can generate code snippets for various programming languages to assist developers in using APIs.

Pros:

  • Import/Export Firecamp Project or any Specs
  • History of requests
  • Built-in GraphQL explorer.

Cons:

  • Requests in several steps (chained) are not supported.
  • There is no automatic schema loading.
  • There is no editor auto-completion syntax.

Katalon Studio

Katalon

API testing in Katalon Studio is a comprehensive feature that supports all sorts of REST, SOAP/1.1, and SOAP/1.2 calls. Katalon Studio allows testers to collaborate in multiple ways on their API project, including keyword-driven testing and Page Object Model (POM) testing. Katalon’s API automation IDE offers the best functionality for scripting, debugging, and maintaining testing.

It supports testing all online, mobile, API, and desktop apps. The tool constantly develops over time, allowing users to reliably scale-up testing projects with its solution.

Autocompletion, code inspection, snippets, quick references, debugger, dual interface, and other capabilities are available to testers.

They offer a free version with limited features, followed by the enterprise edition for $1,899 /license/year.

Katalon Studio: Key Features

  • Integrated Testing Platform: Katalon Studio is an integrated test automation platform that covers API testing and web, mobile, and desktop applications.
  • No-Code/Scripting Options: It balances no-code and scripting, catering to technical and non-technical users.
  • Cross-Browser Testing: Katalon Studio supports cross-browser testing, ensuring compatibility across multiple web browsers.
  • Data-Driven Testing: Like Postman, it provides data-driven testing capabilities to assess API responses under various data scenarios.
  • Continuous Integration: Katalon Studio seamlessly integrates with CI/CD tools, allowing for automated testing in DevOps pipelines.
  • Advanced Reporting: The tool offers advanced reporting capabilities, providing comprehensive insights into test results and performance.
  • Community and Enterprise Versions: Depending on their requirements, users can choose between community and enterprise versions. The community version is free with some limitations.

Pros:

  • Handles API, Web, desktop, and mobile platform tests
  • enables testers and developers to quickly communicate and share test cases
  • Keywords for constructing test cases are built-in.

Cons:

  • The Katalon studio free version lacks the debugging feature.
  • The data-driven capability at the test case level is not available in the free edition of Katalon Studio.

IBM API Connect

IBM API connect

IBM API is a handy API tool for creating, managing and publishing APIs across cloud environments. Using IBM API Connect via APIs, you may securely expose record systems, services, and databases. This API platform simplifies corporate operations by providing simple functionality for powering digital apps.

This Postman alternative enables you to create web or mobile applications by enforcing and securing API delivery policies. In addition, IBM provides a comprehensive capability for testing and monitoring APIs. It allows you to create a high-quality API using automated and collaborative testing. You may also use this software to study, socialize, and monetize APIs.

Get IBM API Connect Enterprise at $100.00 per month. IBM API Connect also offers a Free Plan with limited features.

IBM API Connect: Key Features

  • Comprehensive API Management: IBM API Connect offers a complete API management solution, from creation to testing and deployment.
  • Security Integration: It seamlessly integrates security features to protect APIs, ensuring data privacy and compliance.
  • Analytics and Monitoring: Users can access detailed analytics and monitoring tools to gain insights into API performance and usage.
  • Developer-Friendly: IBM API Connect includes developer-friendly features for creating and testing APIs efficiently.
  • Policy Configuration: It provides flexible policy configuration to control API access, rate limiting, and other parameters.

Pros:

  • Scalable and stable API platform for creating and managing APIs.
  •  easy to configure security and everything else in it.
  • Classic UI Interface

Cons:

  • documentation needs to be a bit better.
  • API management configuration tool can be simplified more

Akana

Akana

With improved API administration, Akana assists you in securely transforming your organization. It provides numerous advantages, including reduced security and compliance risk with comprehensive support and improved innovation with new products. Akana, which enables end-to-end API management, can build dependable enterprise services. You can manage RESTful, SOAP, and GraphQL APIs from a single environment in Akana. 

Akana allows you to design, publish, and monitor APIs from a single interface. As a result, Akana is both cost-effective and quick. The extensive features brought to your table make creating and deploying APIs simple. It has the best security UX, and API professionals manage it for the best experience. Furthermore, it enables comprehensive API lifecycle management.

The recent Akana Platform version enhances cloud capabilities, security, and API automation and assists you in developing, documenting, publishing, and testing GraphQL APIs. In a nutshell, all API endpoints can now coexist and be managed in the same API catalog.

Akana: Key Features

  • API Lifecycle Management: Akana offers a robust API lifecycle management platform, covering API design, testing, deployment, and monitoring.
  • Security Emphasis: It strongly emphasizes API security, incorporating features like OAuth and OpenID Connect support.
  • Gateway and Microgateway: Akana includes API gateways and microgateways for routing and protecting API traffic.
  • Developer Portal: It provides a developer portal for API documentation, showcasing, and community engagement.

Pros:

  • Ease of Managing and Monitoring APIs 
  • Good API security

Cons:

  • Team management needs more improvement
  • improvements can be made in graphical orchestration services.

Boomi

Postman alternative- Boomi

Boomi is a trustworthy platform for creating, managing and securing APIs. This tool allows you to configure APIs and provide real-time integrations in a hybrid environment while supporting an entire lifecycle. This postman alternative will enable you to build hybrid apps from any data source and deploy consistent, secure APIs. On-premises data access might also be restricted. This platform can ensure consistent experiences for your partners and customers.

Boomi centralizes lifecycle management in a single interface to maximize performance. It improves visibility and control, allowing you to experience better API management. Boomi, like its API platform peers, to learn more about what it has to offer. Boomi provides Usage-based pricing starting at $50/month and a 21-day free trial.

Boomi: Key Features

  • Unified Integration Platform: Boomi is a unified integration platform covering API management, data integration, and application connectivity.
  • API Design and Testing: It facilitates API design and testing, ensuring smooth integration and compliance.
  • Pre-Built Connectors: Boomi includes pre-built connectors for popular applications, reducing development time.
  • Automated Deployment: Users can automate API deployment and updates, streamlining the development process.

Pros:

  • Time-saving with no-code
  • Perfectly priced for mid-sized companies.

Cons:

  • The process documentation is via screen prints into word documents.
  • Hard to scale parallel processing

Apigee

Postman alternative- apigee

Apigee is an excellent alternative to Postman if you want to try an API tool. This platform helps develop and manage APIs by later fronting services with a proxy. Apigee has two significant components called services and runtime, where services enable API proxies’ creation, management, and deployment. Meanwhile, Apigee runtime is a collection of runtime services. It allows developers of mobile and web apps to call APIs.

It offers security, analytics, quotas, rate restriction, and other features. Apigee allows you to change the backend service implementation without affecting the public API. Because of well-defined and consistent APIs, it also enables app developers to leverage your services. It also gives you access to a developer portal and analytics services.

Apigee from Google offers “pay only for what you use” pricing. Plans that only charge you for the services you utilize. 

Apigee: Key Features

  • Google Cloud Integration: Apigee is integrated with Google Cloud, offering a robust API management solution.
  • Security and Analytics: It provides security features and extensive analytics for comprehensive API management.
  • API Proxy: Apigee includes an API proxy for managing API traffic, ensuring reliability and security.
  • Developer Portal: Like Postman, it offers a developer portal for API documentation, access control, and analytics.

Pros:

  • Useful API analytics
  • Easy development of a Proxy and APIs
  • community support

Cons:

  • Lack of mechanism to configure cache limit for particular API
  • Debugging is difficult

How to Select the Right Postman Alternative?

Selecting the right alternative to Postman involves carefully considering your project requirements and testing needs. Here are essential steps to guide you in making the best choice:

  1. Define Your Testing Requirements: Clearly define your project’s testing requirements. Consider the types of tests you need to perform (e.g., API, UI, performance), the level of automation required, collaboration needs, and the technical expertise of your team.
  2. Evaluate Supported Testing Types: Look for an alternative that supports the types of testing you need. Ensure it covers API testing, and if you require additional testing types like UI testing or load testing, make sure the tool can accommodate these as well.
  3. Ease of Use: Consider the technical proficiency of your team. If you have non-technical team members involved in testing, prioritize tools with user-friendly interfaces and features catering to technical and non-technical users.
  4. Automation Capabilities: If automation is a crucial aspect of your testing process, assess the tool’s automation capabilities. Check for scripting support, test scheduling, and integration with Continuous Integration/Continuous Deployment (CI/CD) pipelines.
  5. Collaboration and Integration: Evaluate the collaboration features offered by the alternative. Ensure it supports team collaboration, version control, and integration with other tools your team uses, such as project management software and source code repositories.
  6. Scalability: Consider whether the tool can scale with your project. Assess its ability to handle larger test suites, parallel execution, and growing testing requirements.
  7. Cost and Licensing: Review the pricing model of the alternative tool, including any free tiers or trial periods. Ensure it aligns with your budget constraints and provides value for the features.
  8. Community and Support: Check for an active user community and the availability of support resources. A strong community can provide valuable insights and solutions to common issues.
  9. Security and Compliance: If your project involves sensitive data or compliance requirements, ensure the tool meets your security and regulatory standards.
  10. Performance: Test the tool’s performance under realistic conditions to ensure it can handle your testing workloads efficiently.
  11. Vendor Reliability: Assess the reliability and reputation of the vendor or open-source community behind the alternative tool. Look for user reviews and testimonials.
  12. Scalability and Future Growth: Consider your project’s long-term scalability and growth. Choose a tool that can adapt to evolving testing needs and technologies.

By following these steps and conducting thorough research, you can select the best Postman alternative that aligns with your project’s unique testing objectives and requirements.

Limitations of Postman

Postman, renowned for its effectiveness in facilitating manual testing of web services, possesses several notable limitations, particularly regarding automated testing. These constraints are as follows:

  1. Absence of Automated Test Validation: Postman’s primary design focus is manual testing, which doesn’t shine in automated test validation. This deficiency can challenge ensuring consistent and stable performance across various test scenarios.
  2. Reporting Restricted to Enterprise Plan: Comprehensive reporting capabilities are exclusively accessible in the Enterprise version of Postman. This limitation can prove problematic for smaller teams or those constrained by budgetary considerations that require robust reporting for thorough test analysis.
  3. Limited Script Reusability: Postman’s scripting capabilities may not be as conducive to high script reusability as other testing tools. This limitation can lead to repetitive efforts when initiating new API testing projects, ultimately affecting efficiency.
  4. Insufficient Test Maintenance Features: Postman lacks features that streamline efficient test maintenance. Maintaining and updating tests can become cumbersome as test suites evolve and applications change.
  5. Restricted CI/CD Support: Postman was originally conceived as a standalone tool tailored for developers and testers, and it lacks seamless integration with Continuous Integration/Continuous Deployment (CI/CD) pipelines. This limitation can impede organizations aiming to incorporate automated testing into their CI/CD processes seamlessly.
  6. Misalignment with Agile and Shift-Left Practices: Postman’s initial design may not seamlessly align with Agile methodologies and shift-left testing practices. Adapting it to fit within an Agile-driven testing environment might necessitate additional workaround.

Final Note

While we have highlighted the best Postman alternatives for you, it is up to you to pick the one that appeals to you the most. Each of these tools is worthy of your attention and deserves a try. We encourage you to check them out to see which works best for you.

The critical difference between Postman Alternatives and Postman is that their approach to creating test cases differs. It’s all about using modern technology to create test scripts. It also helps developers save time and make the testing process more accessible.

An alternative to anything is not necessarily better than the original. But when it comes to Postman alternatives that are useful, inexpensive, and non-cumbersome in installation, use, and maintenance — Testsigma could be considered an excellent alternative for Postman.

Frequently Asked Questions

1. Which is the Best Postman Alternative?

Ans: Alternative for Postman depends on the features you’re looking for. If you’re looking for a no-code feature, Testsigma is the best alternative. There are a lot of other amazing features in Testsigma like creating tests in NLPs.  Postman does not support a collection runner for Graphql, but Testsigma supports it.

2. Why Testsigma is the best alternative to Postman?

Ans: Testsigma offers both functional UI and API testing, which makes it the best alternative. You can also do Mobile app testing and test analysis in Testsigma which is not available in Postman.

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