Software Alternatives & Startups

Supabase VS Public API

Compare Supabase VS Public API and see what are their differences

Supabase

An open source Firebase alternative

Rating
0 reviews
Pricing
Open source
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?

Based on our record, Supabase seems to be more popular. It has been mentioned 559 times since March 2021.

social mentions
559 vs 0
Developer Tools popularity
99% vs 1%
alternatives listed
240+ vs 13

Base details

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

Supabase
PAP
Public API
Website supabase.com public-api.org
Pricing
Open source Official pricing
—
Company Startup from the United States —
Listed in

Features and specs

What each product offers, as listed by its team.

Supabase 6 features
PAP
Public API 5 features
  • Real-time capabilities
    Supabase offers real-time database features that allow you to subscribe to database changes and sync data with your frontend seamlessly.
  • PostgreSQL foundation
    Supabase is built on PostgreSQL, a robust, mature, and highly extensible SQL database, providing strong data integrity and reliability.
  • Open-source
    Supabase is open-source, which means you can inspect, modify, and contribute to the source code. This fosters community engagement and transparency.
  • Ease of use
    Supabase provides an intuitive dashboard and auto-generated APIs, making it easy for developers to manage databases without extensive backend knowledge.
  • Authentication and Authorization
    Supabase includes pre-built authentication and authorization modules, supporting various sign-in methods like email, OAuth, and more, simplifying user management.
  • Scalability
    Supabase is designed to scale with your application, offering plans that can handle from small to large-scale traffic and data operations.

Possible disadvantages

  • New and evolving
    As a relatively new platform, Supabase is still evolving, which means it might lack some features found in more mature solutions and could have occasional bugs or stability issues.
  • Limited integration
    Currently, Supabase has fewer third-party integrations compared to other established backend-as-a-service (BaaS) providers, which might limit its utility in diverse tech stacks.
  • Learning curve
    Despite its user-friendly interface, there could be a learning curve for those unfamiliar with PostgreSQL or real-time database concepts.
  • Pricing for advanced features
    While Supabase offers a free tier, advanced features, and higher usage plans come with a cost. This might be limiting for startups or hobby projects with tight budgets.
  • Limited geographic presence
    Supabase's infrastructure might have limited geographic data centers compared to larger cloud providers, potentially affecting latency and performance for users in certain regions.
  • 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.

Supabase
PAP
Public API

Overall verdict

  • Supabase is a strong choice for developers looking for an affordable, open-source solution to manage their application's back-end with real-time data and user authentication.

Why this product is good

  • Supabase is an open-source alternative to Firebase, providing a robust back-end platform for web and mobile applications.
  • It offers real-time capabilities, authentication, and auto-generated APIs with PostgreSQL, making it versatile and efficient.
  • The platform is developer-friendly with excellent documentation and an active community.
  • Being open-source allows for greater flexibility and control over your projects.

Recommended for

  • Developers seeking an open-source alternative to Firebase.
  • Teams that require real-time data synchronization.
  • Projects needing a scalable and easy-to-use back-end solution.
  • Individuals or teams working with PostgreSQL.

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

Videos

Walkthroughs and reviews on video.

Supabase 2 videos + Add
PAP
Public API 0 videos + Add

Basic demo

More videos

  • - Supabase in 100 Seconds by Fireship

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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
Supabase
PAP
Public API
99% 99%
1% 1%
100% 100%
0% 0%
0% 0%
100% 100%
100% 100%
0% 0%

User comments

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Reviews and articles

External articles and on-site reviews we used to compare the two products.

Supabase no reviews yet
PAP
Public API no reviews yet

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Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

Supabase 559 mentions
PAP
Public API 0 mentions
  • From YouTube Transcript to Structured Technical Knowledge
    { "name": "Supabase", "aliases": ["supabase"], "category": "database", "role": "backend and authentication", "mention": "used", "evidence": [ { "quote": "we use Supabase for auth and the database", "start": 761 } ], ... - Source: dev.to / 1 day ago
  • Supabase in 2026: Is This Open Source Backend Worth a Try?
    Sign up at supabase.com, create a new project, and grab two values from the project settings:. - Source: dev.to / 1 day ago
  • How to Set Up a Free Cloud Database and Add Your First Table with Supabase
    Navigate to supabase.com and select Start your project. - Source: dev.to / 21 days ago

View more

Tracking Public API since Jan 2026.

Alternatives to Supabase and Public API

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