Software Alternatives & Startups

Railhook VS Public API

Compare Railhook VS Public API and see what are their differences

Railhook

Open-source webhook gateway: send and receive webhooks with every delivery on record, in the cloud or self-hosted. Free to start.

Rating
0 reviews
Pricing
Open source Free
Public API

Discover, compare, and integrate public APIs using real-time health monitoring, OpenAPI documentation, and live availability signals.

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Rating
0 reviews

Which is more popular?

Webhooks popularity
100% vs 0%
alternatives listed
13 vs 8

Base details

Website, pricing, platforms and company facts side by side.

Railhook
PAP
Public API
Website railhook.io public-api.org
Pricing
Open source Free Official pricing
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Platforms
Web Linux
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Company Startup from Ukraine · 1 - 9 employees · 2025 —
Listed in

About Railhook and Public API

In their own words, as submitted to SaaSHub.

Railhook
PAP
Public API

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...

Read more about Railhook

No description of Public API yet.

Features and specs

What each product offers, as listed by its team.

Railhook 6 features
PAP
Public API 5 features
  • Send and receive webhooks
    Signed delivery with retries and replay; signature checks for Stripe, GitHub, Shopify and 7 more
  • JavaScript transformations
    Sandboxed scripts with an editor that runs them on a real event
  • Customer portal
    Embeddable page where your customers add their own endpoints and see and retry their deliveries
  • Workflows
    Visual builder to filter, branch, transform and delay events before delivery
  • Local tunnels
    railhook listen forwards live webhooks to your localhost while you develop
  • Self-hosted, MIT
    One-command Docker install or Helm chart, nothing held back from the open-source version
  • Free to Use
    Public API is completely free, making it accessible to developers of all levels without any financial barrier to entry. This is particularly beneficial for hobbyists, students, and those working on personal projects.
  • Comprehensive Directory
    The platform provides a well-organized directory of hundreds of free public APIs across numerous categories such as animals, finance, weather, games, and more, making it easy to discover useful APIs for various projects.
  • Simple and Clean Interface
    The website offers a straightforward, easy-to-navigate interface that allows developers to quickly browse, search, and filter APIs by category, HTTPS support, CORS availability, and authentication requirements.
  • Open Source
    The project is open source, meaning the community can contribute to it, suggest new APIs, report issues, and help maintain the directory, ensuring it stays up-to-date and relevant.
  • Useful Metadata
    Each API listing includes helpful metadata such as whether it supports HTTPS, requires authentication, and supports CORS, which helps developers quickly assess if an API meets their technical requirements before diving deeper.

Possible disadvantages

  • No Quality Assurance
    The platform acts as a directory and does not verify or guarantee the reliability, uptime, or quality of the listed APIs. Some APIs may be outdated, broken, or poorly maintained without any indication on the listing.
  • Limited API Details
    The listings provide only basic information about each API. Developers often need to visit the actual API documentation separately to understand endpoints, rate limits, response formats, and other critical details.
  • Outdated Listings
    Some APIs listed on the platform may no longer be active or may have changed their terms, endpoints, or availability. The directory doesn't always reflect the current status of every listed API in real time.
  • No User Reviews or Ratings
    The platform lacks a community feedback system such as user reviews, ratings, or usage statistics, making it harder for developers to gauge the real-world reliability and usefulness of a listed API before committing to it.
  • Limited Search and Filtering
    While basic category browsing is available, the search and filtering capabilities are relatively limited compared to more advanced API marketplaces. There is no ability to filter by popularity, response speed, or data format, for example.

Analysis

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

Railhook
PAP
Public API

No analysis of Railhook yet.

Overall verdict

  • Public API (public-api.org) is a useful directory and aggregator site that helps developers discover free and public APIs across many categories, but it is a curation/listing service rather than an API provider itself, so its value depends on the quality and reliability of the third-party APIs it links to.

Why this product is good

  • Offers a centralized, searchable directory of numerous free and public APIs across diverse categories
  • Saves developers time by aggregating API options instead of searching individually across the web
  • Often includes brief descriptions, categories, and links to documentation for quick evaluation
  • Useful for discovering lesser-known or niche APIs that might not be found through mainstream searches
  • Generally free to browse and use as a discovery tool

Recommended for

  • Developers looking to quickly find free or public APIs for a project
  • Students and hobbyists exploring API integration for learning purposes
  • Startups seeking cost-effective third-party API options during early development
  • Researchers or hackathon participants needing rapid access to varied data sources
  • Anyone wanting a starting point for API discovery rather than a guaranteed production-grade API provider

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
Railhook
PAP
Public API
100% 100%
0% 0%
0% 0%
100% 100%
100% 100%
0% 0%
0% 0%
100% 100%

User comments

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Alternatives to Railhook and Public API

When comparing Railhook and Public API, you can also consider the following products.