CurlHub.io might be a bit more popular than Advanced REST Client (ARC). We know about 1 link to it since March 2021 and only 1 link to Advanced REST Client (ARC). We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
I been using 'Advanced Rest Client' (ARC) https://install.advancedrestclient.com/ No accounts required, offline, open source, A little bloated using electron but its multiplatform and a desktop client. - Source: Hacker News / 7 months ago
CurlHub — Proxy service for inspecting and debugging API calls. Free plan includes 10,000 requests per month. - Source: dev.to / almost 3 years ago
Hoppscotch - Open source API development ecosystem
Request inspector - Debug web hooks, http clients
HttpMaster - HttpMaster is a professional software tool for testing and debugging HTTP applications, primarily aimed at REST API applications and web services.
MockServer - Easy mocking of any system you integrate with via HTTP or HTTPS.
Postman - The Collaboration Platform for API Development
RequestWatch - Inspect and debug HTTP requests