diff --git a/README.md b/README.md
index d1c5d1c..de9fdc8 100644
--- a/README.md
+++ b/README.md
@@ -300,6 +300,7 @@ Contributions are most welcome. Categories are also open to suggestions!
 - [OWASP Zaproxy](https://github.com/zaproxy/zaproxy): A tool to test your API for known security vulnerabilities, with a great CI integration.
 - [RestQA](https://github.com/restqa/restqa): Microservice API Testing tool focused on providing a great developer experience.
 - [Optic CI](https://www.useoptic.com/docs/diff-openapi): Test for breaking API changes in CI Pipelines
+- [Fixzi](https://fixzi.com): Browser-based API response validator with JSON/XML validation, JWT decoder, Base64 encoder/decoder, and developer utilities for API testing.
 
 ## API Developer Portal
 - [Tyk](https://tyk.io/features): API Developer Portal on top of API gateway, make your API gateway easier to be used by developers.