k6
The best developer experience for Load Testing. A Grafana Labs Company.
51 employees · est. 2009 · Stockholm, Sweden
Postman
Postman is the world's leading API platform trusted by 40 million users.
3563 employees · est. 2014 · San Francisco, United States
k6 is the older company (2009 vs 2014); Postman is the larger of the two.
37 signals in the last 90 days
Side-by-Side Comparison
| Metric | k6 | Postman |
|---|---|---|
| Founded | ||
| Founded | 2009 older | 2014 |
| Headquarters | ||
| Headquarters | Stockholm, Sweden | San Francisco, United States |
| Employees | ||
| Employees | 51 | 3563 larger |
| Industry | ||
| Industry | SaaS | API, Developer Tools, Enterprise Software |
| Funding Stage | ||
| Funding Stage | Not tracked yet | Series D |
| Total Funding | ||
| Total Funding | Not tracked yet | $434.00M |
| Funding Rounds | ||
| Funding Rounds | Not tracked yet | 6 |
| Services | ||
| Services | Open Source Load Testing Tool, Cloud Load Testing, Performance Test Automation, Integration with Dev Tools, Synthetic Monitoring | API Development, API Testing and Validation, API Documentation Generation, Collaboration and Management, Automated Workflows, AI Agent Management, Performance Monitoring |
| Target Customers | ||
| Target Customers | Developers, Backend Engineers, Frontend Engineers, Site Reliability Engineers, Quality Assurance Engineers, Software Engineers in Test | Software Developers, API Engineers, Enterprises, DevOps Teams, API Product Managers, Quality Assurance Teams |
| Taxonomy | ||
| Taxonomy | Developer Experience, Load Testing, Performance Testing, Agile Software Development, Continuous Integration, Software Testing Tools, API Testing, Web-based Software Testing, Test Automation, Early Release Cycle Testing, Integrations | API Platform, API Development, API Testing, API Management, Developer Tools, Software Development, Automated Testing, Collaborative Development, API-first Development, Developer Onboarding, Enterprise Solutions, Tech Startups, Software As A Service, Venture-backed |
| Website | ||
| Website | k6.io | postman.com |
About k6
k6, founded in 2009 and headquartered in Sweden, is a promising player in the SaaS industry, now operating under the umbrella of Grafana Labs. Focused on enhancing the developer experience, k6 offers streamlined load and performance testing tools specifically designed for agile software development...
About Postman
Postman, founded in 2014, has swiftly emerged as the world's leading API platform, reflected in its impressive reach of over 40 million users spanning 500,000 organizations globally. Focused on the API, Developer Tools, Enterprise Software, and SaaS industries, Postman is headquartered in the United...
We will tell you when either one moves
BounceWatch watches k6 and Postman for new funding, fast hiring, new executives and a change of software vendor. When one happens, we email you the same day.
Funding, hiring, leadership and stack changes at k6 and Postman — by email.
Frequently Asked Questions
Compare k6 with someone else
Start typing a company name or domain.
Related Comparisons
Compiled from the BounceWatch company index. We last looked at k6 on 27 Mar 2026, and Postman on 29 Apr 2026. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.