For developers
Reproduce, debug, and fix with the request in front of you.
Open a bug with the exact request, recording, and environment attached. Mock a service that is not ready yet, and turn a working request into code.
Reproducible reports
Bug reports arrive with steps, recordings, and the request that failed.
Mock what is missing
Stand in for an unfinished endpoint so frontend work can continue.
Everyday utilities
JSON, JWT, regex, encoding, timestamps, and diffs, processed in your browser.
Typical workflows
- Paste a cURL command, fix it with an AI review, and send it
- Redirect a route to localhost to test a fix against a real frontend
- Diff two responses to find the field that changed
Tools you will use most
- API Studio
- API Inspector
- JSON Tools
- JWT Encoder and Decoder
- Diff Viewer
See whether Testnir fits your team.
Book a demo of the platform, discuss a testing project, or both. We will reply by email to plan the conversation.