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HttpMaster is a professional software tool for testing and debugging HTTP applications, primarily aimed at REST API applications and web services.

Svix
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Webhook Relay
Webhook.site
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Webhook Catcher
Open-source webhook gateway: send and receive webhooks with every delivery on record, in the cloud or self-hosted. Free to start.
Which is more popular?
Website, pricing, platforms and company facts side by side.
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| Website | httpmaster.net | railhook.io |
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| Platforms | ||
| Company | — | Startup from Ukraine · 1 - 9 employees · 2025 |
| Listed in |
In their own words, as submitted to SaaSHub.


Core HttpMaster features are: * HttpMaster project to store complete definition of API calls in one single place. * Broad set of http properties. * Dynamic parameters to simulate variations of input data or create global API values. * Response data validation with logical expressions. * Request...
Railhook is an open-source webhook gateway that handles webhooks in both directions. Sending. Your app makes one API call per event. Railhook delivers it to every subscribed endpoint, signs it with Standard Webhooks, retries on a schedule from one minute to a day, can keep per-endpoint order, and...
What each product offers, as listed by its team.


An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
HttpMaster is well-suited for developers, QA engineers, and testers who need to perform end-to-end testing of web APIs. It's particularly beneficial for those who require a versatile testing solution with both automated and manual testing features. It's also ideal for teams that need to validate the functionality, performance, and security of their web apps through an intuitive platform.
No analysis of Railhook yet.
Walkthroughs and reviews on video.
Testing with HttpMaster 02
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing HttpMaster and Railhook.
HttpMaster's answer
Developers and testers.
HttpMaster's answer
HttpMaster's answer
Performance, simple UI, resource friendly.
HttpMaster's answer
Microsoft .NET.
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