Best API Testing Tools for New Relic
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Compare the Top API Testing Tools that integrate with New Relic as of September 2025
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This a list of API Testing tools that integrate with New Relic. Use the filters on the left to add additional filters for products that have integrations with New Relic. View the products that work with New Relic in the table below.
What are API Testing Tools for New Relic?
API testing software is used to test and validate the functionality, performance, security, and reliability of Application Programming Interfaces (APIs). These tools help ensure that APIs perform as expected under various conditions and meet the required business and technical requirements. Features typically include automated testing, request/response validation, load testing, security testing (e.g., for vulnerabilities and authentication), and performance testing. API testing software often supports integration with continuous integration/continuous deployment (CI/CD) pipelines to facilitate automated testing as part of the software development lifecycle. Compare and read user reviews of the best API Testing tools for New Relic currently available using the table below. This list is updated regularly.
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1
KrakenD
KrakenD
KrakenD is a high-performance API Gateway optimized for resource efficiency, capable of managing 70,000 requests per second on a single instance. The stateless architecture allows for straightforward, linear scalability, eliminating the need for complex coordination or database maintenance. It supports various protocols and API specifications, with features like fine-grained access controls, data transformation, and caching. Unique to KrakenD is its ability to aggregate multiple API responses into one, streamlining client-side operations. Security-wise, KrakenD aligns with OWASP standards and doesn't store data, making compliance simpler. It offers a declarative configuration and integrates with third-party logging and metrics tools. With transparent pricing and an open-source option, KrakenD is a comprehensive API Gateway solution for organizations prioritizing performance and scalability. -
2
Postman
Postman
The collaboration platform for API development. Simplify each step of building an API and streamline collaboration so you can create better APIs—faster. Postman is a collaboration platform for API development. Postman's features simplify each step of building an API and streamline collaboration so you can create better APIs—faster. Quickly and easily send REST, SOAP, and GraphQL requests directly within Postman. Automate manual tests and integrate them into your CI/CD pipeline to ensure that any code changes won't break the API in production. Communicate the expected behavior of an API by simulating endpoints and their responses without having to set up a backend server. Generate and publish beautiful, machine-readable documentation to make your API easier to consume. Stay up-to-date on the health of your API by checking performance and response times at scheduled intervals. Provide a shared context for building and consuming APIs, and collaborate in real-time.Starting Price: $12 per user per month -
3
Loader.io
SendGrid
Loader.io is a FREE load testing service that allows you to stress test your web-apps & apis with thousands of concurrent connections. Use the web-interface or API to register your app for testing. We'll simulate connections to your application for the duration. Monitor the test in real-time, then share the results with your team.Starting Price: $99.95 per month -
4
Appvance
Appvance.ai
Appvance IQ (AIQ) delivers transformational productivity gains and lower costs in both test creation and execution. For test creation, it offers both AI-driven (fully machine-generated tests) and also 3rd-generation, codeless scripting. It then executes those scripts through data-driven functional, performance, app-pen and API testing — for both web and mobile apps. AIQ’s self-healing technology gives you complete code coverage with just 10% the effort of traditional testing systems. Most importantly, AIQ finds important bugs autonomously, with little effort. No coding, scripting, logs or recording required. AIQ is easy to integrate with your current DevOps tools and processes. Appvance IQ was developed by a pioneering team who envisioned a better way to test. Their innovative vision has been made possible by applying differentiated, patented AI methods to test creation while leveraging today’s high-availability compute resources for massive levels of parallel execution. -
5
NeoLoad
Tricentis
Continuous performance testing software to automate API and application load testing. Design code-less performance tests for complex applications. Script performance tests <as:code /> within automated pipelines for API testing. Design, maintain and run performance tests as code and analyze results within continuous integration pipelines using pre-packaged plugins for CI/CD tools and the NeoLoad API. Create test scripts quickly for large, complex applications using a graphical user interface and skip the complexity of hand coding new and updated tests. Define SLAs based on built-in monitoring metrics. Put pressure on the app and compare SLAs to server-level statistics to determine performance. Automate pass/fail triggers based on SLAs. Contributes to root cause analysis. Update test scripts faster with automatic test script updates. Update only the part of the test that’s changed and re-use the rest for easy test maintenance. -
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ITRS Load Testing
ITRS Group
Ensure scalability on websites, apps and APIs. For the always-on enterprise. Control the ramp and bandwidth of over thousands of global virtual users and simulate real-world dynamics. Integrate with AppDynamics, New Relic, and Dynatrace to drill down, pinpoint critical issues, and identify root-cause. Measure the quality of user experience by viewing a stream of real browser render times and screenshots while tests run. Get feedback in real time, adjust parameters on the fly, and find optimal concurrency, breakage points and peaks. Consumer expectations are at an all-time high. Users demand a near instantaneous experience across all devices, and at all times. To compound this, business and IT leaders recognizes their mission-critical application stack is growing and becoming increasingly complex. When sluggish response times, performance bottlenecks, and full-blown website and application failures drive visitors away, the end result is lost revenue and reputational damage.
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