Define the API Load Testing Scenario
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Easily create requests manually with PFLB’s intuitive no-code script builder. If you need to load test Postman or Insomnia request collections, simply import them from a file for a seamless experience.
API Load Testing Tool
Stress test your API with thousands requests per seconds. Resolve bottlenecks and scale your application seamlessly. PFLB supports RESTfull API, SOAP, and gRPC calls.
4.8
Trusted by
Leading Companies
How It Works
PFLB API load testing tool enables you to simulate real-world
traffic and observe
your API’s behavior with a simple testing process.
Integrations with your favourite tools
Postman
Load test Postman request collections.
Insomnia
Easy migration of existing test scenarios.
Grafana
Clear and actionable test reports.
Want to See API Load
Testing in Action?
PFLB Client’s Review
Testimonials from satisfied clients across various industries.
Rating: 5 out of 5 stars I was highly satisfied working with PFLB. They're a fantastic one-stop shop for software performance, with everything you need—their platform and skilled engineers. I've used them three times to load test the College Board software before big updates, and it all went smoothly. Plus, I love that they store all the testing data, so we can track performance capacity over time.
Rating: 5 out of 5 stars It was a pleasure working with PFLB, and I'd recommend them for performance testing. They quickly got up to speed with our complex software architecture and were super productive in setting up our load test environment in the cloud. They were really dedicated to improving our product with their strong expertise in performance optimization.
Rating: 5 out of 5 stars PFLB was willing to work with a very small solopreneur without an enormous investment in capital. Their prices were reasonable and provided me with notable improvements to my php performance.
Rating: 5 out of 5 stars PFLB did benchmarking tests on our database storage engine under standard and uncommon conditions, using specialized tools. Their analysis gave us valuable insights and recommendations to boost our product's performance. I highly recommend PFLB to anyone looking for an expert performance testing company.
Rating: 5 out of 5 stars We smoothly moved over 30 JMeter projects to PFLB, and it's been a total game changer. It's given our team of 50+ remote performance engineers the ability to handle large-scale load tests every day with real ease.
Rating: 5 out of 5 stars PFLB's testing team helped us successfully complete the FDA regulations with a great test coverage for the computer system validation (CSV) process at Illumina. I highly recommend Yuri Kovalov and his team—they're top-notch professionals in performance and load testing.
Rating: 5 out of 5 stars PFLB has been Tinder's load testing provider for over 5 years, and it is a true pleasure working with them. They managed the entire performance engineering process for our app releases, helping us fix tons of performance issues. I highly recommend PFLB as a reliable vendor.
5.0
Benefits of
API Load Testing
Why Choose PFLB API Performance Testing Tool?
User-Friendly
Detailed Documentation
AI-Powered Performance Insights
Expert Support
Frequently Asked
Questions
How to stress test my REST API?
To load test REST API using PFLB, define your API requests manually with our no-code script builder or import collections from Postman or Insomnia. Configure the load generator locations, manage RPS (requests per second), test duration, and ramp-up. Run the test and analyze the results with PFLB’s custom Grafana dashboards for detailed insights.
How to choose API methods for API load testing?
Select API methods that are critical to your application’s performance and user experience. Focus on endpoints with high traffic, complex operations, or those that handle large data volumes. Using PFLB API stress test tool, you can easily define and test these methods to identify potential performance bottlenecks and ensure your API can handle real-world load conditions.
Can I simulate traffic from different geo locations?
Yes, with PFLB, you can simulate traffic from different geographical locations. This allows you to run your performance testing for API across various regions, ensuring it can handle global traffic efficiently. Simply configure the load generator locations within the PFLB API load tester to distribute the load as needed. You also have the option to use the JMeter load testing tool for more customized test scenarios.
What types of API does PFLB support?
PFLB supports a wide range of API types, including RESTful APIs, SOAP, and gRPC. This versatility allows you to load test API of various architectures and ensure their performance under different load conditions.
How to load test Postman collections?
To load test your Postman collection follow these steps:
- Export the Collection: Open Postman, select the collection you want to load test, and export it as a JSON file.
- Import into PFLB: Go to the script builder interface and import the exported Postman JSON file. PFLB API benchmark tool will automatically create the necessary requests and scenarios.
- Configure Load Test Parameters: Set up the load test parameters within PFLB load testing tool for API. Specify the number of virtual users, test duration, and any other custom settings required for your API performance testing scenario.
- Run the Load Test: Start the load test and monitor its progress in real-time using PFLB’s dashboard.
- Analyze Results: After the test is complete, analyze the results using PFLB’s custom Grafana reports. Examine key performance metrics such as response times, error rates, and throughput to check scalability, and identify any performance issues.
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