← Back to Blog

List of Public APIs: Free APIs for Developers

March 17, 2024  ⋄  3 min read

List of Public APIs: Free APIs for Developers

    In the digital era, where connectivity reigns supreme, utilizing Application Programming Interfaces (APIs) has become essential for developers across various domains.

    Public APIs, in particular, offer plenty of functionalities. They enable developers to easily integrate services, access data, and enhance the capabilities of their applications.

    However, with the proliferation of APIs, navigating the vast array of options can often be daunting. Fear not, for we've curated a comprehensive guide to help you effortlessly explore the realm of public API lists.

    GitHub Public API Lists

    GitHub, a hub for developers worldwide, hosts numerous repositories dedicated to curating public API lists.

    These lists encompass various categories, from social media APIs to weather data APIs, catering to diverse development needs. With contributions from the open-source community, they are continuously updated, ensuring access to the latest APIs.

    API List Fun

    For those seeking a more playful approach to discovering APIs, API List Fun offers a curated collection of quirky and unconventional APIs.

    From random cat facts to chuckle-worthy jokes, this platform adds a delightful twist to the API exploration journey, making it an enjoyable experience for developers of all levels.

    Public APIs on GitHub

    Another gem from GitHub, this repository consolidates a wide array of public APIs across domains, from finance and healthcare to gaming and entertainment.

    With a simple and intuitive layout, developers can easily browse through categories or search for specific APIs, making it a go-to resource for rapid integration.

    Public APIs by sznm.dev

    Sznm.dev presents a comprehensive catalogue of public APIs meticulously organized into categories and subcategories.

    Whether you're looking for geographical data, machine learning APIs, or cryptocurrency APIs, this platform simplifies the discovery process and provides developers with a one-stop destination for their API needs.

    APIs List

    APIs List offers a curated selection of APIs across various industries, accompanied by brief descriptions and usage guidelines.

    Focusing on simplicity and accessibility, this platform streamlines the API exploration process, empowering developers to find the right tools for their projects efficiently.

    API Rank

    API Rank leverages community feedback and ratings to showcase the most popular and highly regarded APIs. By highlighting top-ranked APIs in different categories, this platform assists developers in making informed decisions, ensuring they choose reliable and reputable APIs for their applications.

    Public APIs

    Public APIs, as the name suggests, offer a curated collection of openly accessible APIs across various domains.

    With an emphasis on user-friendly navigation and up-to-date listings, this platform is a valuable resource for developers seeking to seamlessly integrate external services.

    Free APIs

    Free APIs is a curated collection of APIs that are publicly available and free to use, making them ideal for developers working on personal projects or prototypes.

    With diverse offerings, from weather and news APIs to image recognition APIs, this platform caters to a wide spectrum of development needs without imposing financial constraints.


    PublicAPI.io offers a curated directory of public APIs enriched with detailed documentation and usage examples.

    Whether you're a seasoned developer or a novice enthusiast, this platform provides valuable insights into API functionalities, empowering you to harness the full potential of external services in your applications.


    Last but certainly not least, the NASA API grants developers access to a wealth of space-related data and imagery curated by the National Aeronautics and Space Administration.

    From breathtaking images captured by space telescopes to real-time satellite data, this API fuels creativity and innovation, allowing developers to explore the wonders of the cosmos in their projects.

    Public API Catalog by PublicAPI.dev

    PublicAPI.dev presents a curated catalogue of public APIs featuring a user-friendly interface and comprehensive categorization. This platform covers various industries, from social media APIs to e-commerce and IoT APIs, facilitating seamless integration into diverse applications.

    With detailed documentation and usage examples, developers can quickly assess each API's suitability for their projects, ensuring efficient implementation and optimal performance.

    In conclusion, public APIs are vast and diverse, offering developers endless possibilities for enhancing their applications. Whether looking for practical utilities, entertaining gimmicks, or cutting-edge technologies, the above resources provide a solid foundation for your API exploration journey. So dive in, explore, and unleash the full potential of public APIs in your next project!