Best Talend API Tester - Free Edition Alternatives in 2026

About Talend API Tester - Free Edition

Welcome to Talend API Tester - Free Edition, formerly known as Restlet Client. Talend API Tester makes it easy to invoke, discover and test HTTP and REST APIs. Talend API Tester - Free Edition's main functions include: 1. Send requests and inspect responses Talend API Tester - Free Edition handles all HTTP requests, no matter how complex. Requests can be made dynamic by inserting variables. Security and authentication are fully supported, as well as hypermedia and HTML forms. You can visualize, prettify and inspect HTTP responses. 2. Validate API behavior Whether you want to check that your API is behaving as specified, or you need to confirm how well third-party APIs are responding, Talend API Tester lets you perform many sorts of API response tests. Use assertions to validate values of headers, parts of the body or response time among others. Environments variables can also be created to increase the reusability of your tests. Key features: - Interact with REST or simple HTTP APIs through a visual and easy-to-use UI - View and search your call history.