
Svix
Hookdeck
Convoy
Webhook Relay
Webhook.site
ngrok
Webhook Catcher
Open-source webhook gateway: send and receive webhooks with every delivery on record, in the cloud or self-hosted. Free to start.

We are excited about solving customer’s complex accounting, distribution, POS, Payroll and mobiles sales application problems.

Which is more popular?
Based on our record, Flex Software seems to be more popular. It has been mentioned 3 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | railhook.io | flexsoftware.com.my |
| Pricing | — | |
| Platforms | — | |
| Company | Startup from Ukraine · 1 - 9 employees · 2025 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


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...
Flex Software is an accounting software company that is developing a software solution for Insurance Agents. Our product is called SAMS (Smart Agent Management System). The software will be cloud based online Customer Relationship Management for Life and General Insurance Agents. The platform...
What each product offers, as listed by its team.


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


No analysis of Railhook yet.
Overall verdict
Why this product is good
Recommended for
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Railhook and Flex Software. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Tracking Railhook since Sep 2026.
Flex Software is the Best Accounting Software Companies in Malaysia that provides specialised IT services, for individual companies with specialised Hardware or Software product requirements while making every effort to provide the best... Source: over 3 years ago
Flexsoftware is a comprehensive and reliable accounting software based in Malaysia. It provides a range of features to help businesses track their financials more efficiently. Users benefit from intuitive controls and the ability to... Source: almost 4 years ago
Flex Software is the best online Accounting Software in Malaysia for Small, Mid-size and Large Businesses at Best Prices. It is easy and user-friendly accounting software to manage your business. Customers have different needs and Flex... Source: almost 4 years ago
When comparing Railhook and Flex Software, you can also consider the following products.

The enterprise ready webhooks service, open-source and in the cloud.
Compare Svix to Railhook or Flex Software:

Hookdeck makes it simple to build and deploy reliable, testable, and debuggable applications that rely on webhooks.
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Webhook Relay receives, transforms and delivers webhooks to any destination — a public URL, a private server, or your localhost. With durable retries your events survive outages, deploys and flaky endpoints, so nothing slips through.
Compare Webhook Relay to Railhook or Flex Software:

Instantly generate a free, unique URL and email address to test, inspect, and automate (with a visual workflow editor and scripts) incoming HTTP requests and emails.
Compare Webhook.site to Railhook or Flex Software:

ngrok enables secure introspectable tunnels to localhost webhook development tool and debugging tool.
Compare ngrok to Railhook or Flex Software: