ThirdWatch is a next-generation API monitoring platform designed for development teams who need reliable uptime tracking across all their services.
Cost / License
- Paid
- Proprietary
Platforms
- Online
France
EU



Apps similar to Insomnia REST Client include Bruno, which is open source with a free version. Other options are Postman, Yaak, HTTP Toolkit and Hoppscotch. You're spoiled for choice with API Clients like Insomnia REST Client: we list more than 100 alternatives for Windows, Mac, Linux, the web and self-hosting.
ThirdWatch is a next-generation API monitoring platform designed for development teams who need reliable uptime tracking across all their services.



Kurlo is a fast, local-first desktop API client for macOS, Windows and Linux. There are no accounts, no cloud sync and no telemetry: your collections live on your machine, or as human-readable YAML in your own Git repository.




Fast, offline-first REST API client for testing and debugging APIs — no account, no cloud, collections stored as plain JSON files on your disk.



Use Test API for restful api testing. This postman alternative test rest api online and use post request online to test API endpoint.

Spec0 keeps your OpenAPI specs in one place and keeps them honest. Push specs from CI, the CLI or a GitHub app; Spec0 versions them, computes a change-log between versions, and blocks breaking changes on the pull request rather than after they ship.
