Discover the best AI tools, SaaS products, and productivity software through in-depth reviews and head-to-head comparisons.
Postman vs Insomnia vs Thunder Client: Which API Client Wins in 2025
Postman vs Insomnia vs Thunder Client: Which API Client Wins in 2025 Three tools dominate the conversation whenever developers argue about API clients. Postman, the long-reigning heavyweight, now bundles AI assistants, mock servers, and team workspaces. Insomnia, acquired by Kong in 2019, has leaned into a design-first workflow and Git-friendly storage. Thunder Client, the newcomer, lives entirely inside VS Code and has quietly crossed millions of installs. The catch: they’ve converged on features while diverging on philosophy. Postman wants to be your API platform. Insomnia wants to be your spec editor. Thunder Client wants to be invisible. Picking the wrong one in 2025 isn’t about missing features—it’s about workflow friction you’ll feel every day. ...