🚀 60 Powerful, Best and 100% Free APIs Every Developer Should Know in 2024

Your Ultimate Toolkit for Supercharging Projects Without Breaking the Bank!

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As a developer, having access to reliable and free APIs can significantly improve your productivity and enhance your projects. APIs can save you countless hours by offering pre-built solutions, enabling features, or providing access to data. The best part? There are plenty of 100% free APIs you can use! In this post, I'll walk you through 60 highly useful free APIs that every developer should have in their toolkit. Whether you're building websites, mobile apps, or automation systems, these APIs will help you bring your ideas to life.

Let’s get started! 💻👇

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1. OpenWeather API 🌤️

What It Does: Provides real-time and forecasted weather data.

Use Cases: Build weather dashboards, notifications, or apps with live updates.

Free Tier: 60 API calls per minute.

Link: OpenWeather API

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2. NewsAPI 📰

What It Does: Get news articles and headlines from around the world.

Use Cases: News aggregators, blog widgets, or breaking news apps.

Free Tier: 100 requests/day.

Link: NewsAPI

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3. CurrencyConverter API 💱

What It Does: Get real-time and historical currency exchange rates.

Use Cases: Finance apps, currency converters, or e-commerce platforms.

Free Tier: 100 requests/day.

Link: CurrencyConverter API

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4. The Dog API 🐕

What It Does: Retrieve random pictures of dogs with breed info.

Use Cases: Fun apps, pet websites, or social media posts.

Free Tier: Unlimited usage.

Link: The Dog API

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5. The Cat API 🐱

What It Does: Fetch random cat images and information.

Use Cases: Entertainment apps, social media, or blog images.

Free Tier: Unlimited usage.

Link: The Cat API

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6. Giphy API 🎥

What It Does: Access a massive library of GIFs and animated content.

Use Cases: Meme generators, messaging apps, or websites.

Free Tier: Unlimited access with watermark.

Link: Giphy API

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7. Unsplash API 📸

What It Does: Access high-quality, free images for your apps or websites.

Use Cases: Create visually rich websites, apps, or blogs.

Free Tier: 50 requests/hour.

Link: Unsplash API

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8. RandomUser.me 🧑‍💻

What It Does: Generate random user data for testing purposes.

Use Cases: Mocking user profiles, testing interfaces, or demo apps.

Free Tier: Unlimited usage.

Link: RandomUser.me

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9. OpenLibrary API 📚

What It Does: Access metadata about millions of books and authors worldwide.

Use Cases: Book recommendation apps, library catalog systems, or education platforms.

Free Tier: Unlimited access.

Link: OpenLibrary API

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10. IPify API 🌍

What It Does: Returns your public IP address.

Use Cases: Networking apps, location-based services, or security systems.

Free Tier: Unlimited access.

Link: IPify API

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11. JokeAPI 🤣

What It Does: Fetch random jokes, including programming jokes.

Use Cases: Entertainment bots, apps, or humor-based websites.

Free Tier: Unlimited usage.

Link: JokeAPI

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12. ZenQuotes API 🧘‍♂️

What It Does: Provides motivational and inspirational quotes.

Use Cases: Quote-of-the-day apps, widgets, or social media automation.

Free Tier: 100 requests/day.

Link: ZenQuotes API

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13. NASA API 🚀

What It Does: Access data from NASA, including images, videos, and more.

Use Cases: Space-related apps, education platforms, or science blogs.

Free Tier: Unlimited access.

Link: NASA API

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14. Placeholder API 🎨

What It Does: Generates placeholder images for your web designs.

Use Cases: Mock designs, prototypes, or demo sites.

Free Tier: Unlimited access.

Link: Placeholder API

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15. CoinGecko API 🪙

What It Does: Provides real-time cryptocurrency data.

Use Cases: Cryptocurrency trackers, financial apps, or dashboards.

Free Tier: 100 API calls/minute.

Link: CoinGecko API

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16. GitHub API 🛠️

What It Does: Provides access to GitHub repositories, issues, and commits.

Use Cases: Automate GitHub workflows, build integrations, or create dashboards.

Free Tier: Unlimited access.

Link: GitHub API

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17. Pexels API 📷

What It Does: Access royalty-free images and videos.

Use Cases: Create visually stunning apps, blogs, or presentations.

Free Tier: 200 requests/month.

Link: Pexels API

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18. Mapbox API 🗺️

What It Does: Provides customizable maps and geolocation data.

Use Cases: Location-based services, travel apps, or map visualizations.

Free Tier: 50,000 map loads/month.

Link: Mapbox API

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19. Twilio API 📞

What It Does: Integrate SMS, calls, and messaging into your apps.

Use Cases: Customer service, notification systems, or phone verification.

Free Tier: $15 trial credit.

Link: Twilio API

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20. JSONPlaceholder API 🔗

What It Does: Fake online REST API for prototyping and testing.

Use Cases: Test CRUD operations, build mock interfaces.

Free Tier: Unlimited usage.

Link: JSONPlaceholder API

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21. Chuck Norris API 😂

What It Does: Retrieve random Chuck Norris jokes.

Use Cases: Entertainment bots, fun apps, or humorous websites.

Free Tier: Unlimited usage.

Link: Chuck Norris API

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22. Spotify API 🎶

What It Does: Fetch music data, playlists, and more from Spotify’s library.

Use Cases: Build music recommendation apps, playlists, or media integrations.

Free Tier: Unlimited access.

Link: Spotify API

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23. Bitly API 🔗

What It Does: Shorten URLs and track clicks.

Use Cases: Marketing tools, social media automation, or custom link tracking.

Free Tier: 500 branded links/month.

Link: Bitly API

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24. OpenAI GPT-3 API 🤖

What It Does: Access state-of-the-art language models for generating text.

Use Cases: Chatbots, content generation, or automated support.

Free Tier: $18 free credits to start.

Link: OpenAI GPT-3

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25. RapidAPI Hub 🌐

What It Does: Access thousands of APIs in one place.

Use Cases: Centralize API access, discover new APIs, and test APIs.

Free Tier: Depends on the API; many have free tiers.

Link: RapidAPI Hub

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26. Pixabay API 🎨

What It Does: Access free images, videos, and illustrations.

Use Cases: Visual content for websites, blogs, or apps.

Free Tier: Unlimited access.

Link: Pixabay API

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27. REST Countries API 🌍

What It Does: Retrieve country data including population, currency, and more.

Use Cases: Geography apps, educational platforms, or travel guides.

Free Tier: Unlimited access.

Link: [REST Countries API](https://restcountries.com/

)

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28. Google Maps Geocoding API 🗺️

What It Does: Converts addresses into geographic coordinates.

Use Cases: Location-based services, travel apps, or delivery services.

Free Tier: 28,000 requests/month.

Link: Google Maps Geocoding API

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29. Web Scraping API 🔍

What It Does: Extract data from websites easily.

Use Cases: Data analysis, market research, or SEO tools.

Free Tier: Limited requests; check the provider for details.

Link: ScraperAPI

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30. Firebase API 🔥

What It Does: Backend services including real-time database, authentication, and hosting.

Use Cases: Build scalable web and mobile apps without managing servers.

Free Tier: Limited usage across various services.

Link: Firebase API

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31. OCR Space API 🖨️

What It Does: Optical character recognition to extract text from images.

Use Cases: Document processing, automation, or data extraction.

Free Tier: 25 requests/day.

Link: OCR Space API

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32. Eventbrite API 🎟️

What It Does: Access events data, ticketing, and registrations.

Use Cases: Event planning, ticket sales, or community apps.

Free Tier: Unlimited access for public events.

Link: Eventbrite API

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33. Shopify API 🛒

What It Does: Integrate with Shopify stores for e-commerce solutions.

Use Cases: Build shopping apps, manage products, or automate sales.

Free Tier: Free tier with basic access; check for specific plans.

Link: Shopify API

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34. Slack API 💬

What It Does: Build apps for communication and team collaboration.

Use Cases: Bots, integrations, and automation within Slack.

Free Tier: Limited to 10 apps per workspace.

Link: Slack API

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35. Wolfram Alpha API 🔍

What It Does: Access knowledge and computational data from Wolfram Alpha.

Use Cases: Scientific apps, data analysis, or educational platforms.

Free Tier: 2000 requests/month.

Link: Wolfram Alpha API

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36. Twilio SendGrid API 📧

What It Does: Email delivery and tracking services.

Use Cases: Build email marketing tools, notifications, or contact forms.

Free Tier: 100 emails/day.

Link: SendGrid API

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37. Foursquare API 📍

What It Does: Access location data and user-generated content from Foursquare.

Use Cases: Create location-based services, travel apps, or recommendations.

Free Tier: Limited access; check provider for details.

Link: Foursquare API

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38. RESTful API for COVID-19 Data 🦠

What It Does: Get global COVID-19 statistics and information.

Use Cases: Health dashboards, tracking apps, or informational websites.

Free Tier: Unlimited access.

Link: COVID-19 API

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39. Telegram Bot API 📱

What It Does: Create bots for Telegram messaging platform.

Use Cases: Automated messaging, notifications, or chatbots.

Free Tier: Unlimited access.

Link: Telegram Bot API

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40. Dictionary API 📖

What It Does: Access word definitions, synonyms, and antonyms.

Use Cases: Educational apps, language learning, or writing tools.

Free Tier: 250 requests/day.

Link: Dictionary API

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41. Typeform API 📝

What It Does: Create interactive forms and surveys.

Use Cases: Collect user feedback, create quizzes, or lead generation forms.

Free Tier: Unlimited forms; limited responses.

Link: Typeform API

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42. Yoda API 🌌

What It Does: Transform text into Yoda-speak.

Use Cases: Fun applications, games, or humor websites.

Free Tier: Unlimited usage.

Link: Yoda API

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43. ExchangeRate-API 💲

What It Does: Get real-time and historical foreign exchange rates.

Use Cases: Currency converters, financial apps, or e-commerce platforms.

Free Tier: 1,000 requests/month.

Link: ExchangeRate-API

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44. An API for Dog Pictures 🐶

What It Does: Fetch random pictures of dogs.

Use Cases: Pet-related apps, social media posts, or blogs.

Free Tier: Unlimited access.

Link: Dog CEO's Dog API

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45. OpenAI DALL·E API 🎨

What It Does: Generate images from text prompts.

Use Cases: Creative apps, marketing materials, or content creation.

Free Tier: $18 worth of credits to start.

Link: DALL·E API

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46. Gnews API 📰

What It Does: Get the latest news from around the world.

Use Cases: News aggregators, blogs, or media applications.

Free Tier: 100 requests/day.

Link: Gnews API

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47. UK Parliament API 🇬🇧

What It Does: Access UK Parliament data including bills and debates.

Use Cases: Political analysis, educational platforms, or civic engagement tools.

Free Tier: Unlimited access.

Link: UK Parliament API

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48. Abstract API 🌐

What It Does: Provides various services like IP geolocation, email verification, and more.

Use Cases: User verification, location-based services, or fraud detection.

Free Tier: 1,000 requests/month.

Link: Abstract API

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49. RestCountries 🌍

What It Does: Provides information about countries, including population and currencies.

Use Cases: Educational platforms, travel apps, or informational websites.

Free Tier: Unlimited access.

Link: RestCountries

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50. Jikan API 🎮

What It Does: Access anime and manga data from MyAnimeList.

Use Cases: Anime recommendation systems, blogs, or social media.

Free Tier: Unlimited access.

Link: Jikan API

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51. Web APIs for Smart Home Devices 🏠

What It Does: Control and manage smart home devices remotely.

Use Cases: Home automation apps, security systems, or IoT applications.

Free Tier: Varies by device manufacturer.

Link: Smart Home API

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52. PokeAPI ⚔️

What It Does: Access data about Pokémon, abilities, types, and more.

Use Cases: Gaming apps, Pokémon databases, or educational tools.

Free Tier: Unlimited access.

Link: PokeAPI

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53. Firebase Realtime Database API 🔥

What It Does: Store and sync data in real time across all clients.

Use Cases: Chat apps, collaborative tools, or real-time dashboards.

Free Tier: 1 GB storage, 100,000 simultaneous connections.

Link: Firebase Realtime Database

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54. YouTube Data API 📹

What It Does: Access public YouTube content and manage user videos.

Use Cases: Video aggregators, educational platforms, or content creation tools.

Free Tier: 10,000 requests/day.

Link: YouTube Data API

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55. IPstack API 🗺️

What It Does: IP geolocation data for web applications.

Use Cases: Geo-targeted content, security systems, or location-based services.

Free Tier: 1,000 requests/month.

Link: IPstack API

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56. Calendarific API 📅

What It Does: Access global public holiday data.

Use Cases:

Calendar apps, event planning, or travel itineraries.

Free Tier: 100 requests/month.

Link: Calendarific API

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57. OpenWeatherMap API 🌦️

What It Does: Get current weather data and forecasts.

Use Cases: Weather apps, travel planning, or agriculture tools.

Free Tier: 60 calls/day.

Link: OpenWeatherMap API

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58. NASA API 🚀

What It Does: Access various NASA data, including images and satellite information.

Use Cases: Educational platforms, astronomy apps, or space enthusiasts.

Free Tier: Unlimited access.

Link: NASA API

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59. Random User Generator API 👥

What It Does: Generate random user data for testing or development.

Use Cases: Development, UX testing, or demos.

Free Tier: Unlimited access.

Link: Random User Generator

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60. SpaceX API 🚀

What It Does: Access data about SpaceX launches and rockets.

Use Cases: Space exploration apps, educational platforms, or news aggregators.

Free Tier: Unlimited access.

Link: SpaceX API

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Conclusion

In conclusion, the world of APIs is vast and offers countless opportunities for developers to enhance their projects. Whether you’re looking for data, automation, or integration, these APIs can serve a variety of needs across different industries. Explore the links provided, and don’t hesitate to experiment with them in your next project!

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Comments

[Hossein Yazdi]

Very comprehensive collection Mirza. Thanks for the share!

To add on, here's also another selection to find helpful APIs worth knowing: 30+ Best API Tools

[Hanzla Baig]

I really like it because consist it consist the information about the APIs that is very helpful for the developers.
Thank You! 👍🙂

[Hossein Yazdi]

Glad you've found it useful Mirza! 😀

[Hanzla Baig]

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[Clément Janssens]

To send email : mailhub.sh
Have you ever tried ?

[Hanzla Baig]

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>To Make Contact Us Form By Brevo API</title>
    <style>
        body {
            font-family: Arial, sans-serif;
            padding: 20px;
            background-color: #f4f4f4;
        }
        h1 {
            text-align: center;
        }
        form {
            max-width: 500px;
            margin: 0 auto;
            background: white;
            padding: 20px;
            border-radius: 5px;
            box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
        }
        input, textarea {
            width: 100%;
            padding: 10px;
            margin: 10px 0;
            border: 1px solid #ccc;
            border-radius: 5px;
        }
        button {
            width: 100%;
            padding: 10px;
            background-color: #5cb85c;
            color: white;
            border: none;
            border-radius: 5px;
            cursor: pointer;
        }
        button:hover {
            background-color: #4cae4c;
        }
        .message {
            text-align: center;
            margin-top: 20px;
            color: green;
        }
        .error-message {
            text-align: center;
            margin-top: 20px;
            color: red;
        }
    </style>
</head>
<body>

<h1>Contact Us</h1>
<form id="contactForm">
    <input type="text" id="name" placeholder="Your Name" required>
    <input type="email" id="email" placeholder="Your Email" required>
    <input type="text" id="subject" placeholder="Subject" required>
    <textarea id="message" rows="5" placeholder="Your Message" required></textarea>
    <button type="submit">Send Message</button>
</form>
<div id="responseMessage" class="message"></div>
<div id="errorMessage" class="error-message"></div>

<script>
    document.getElementById("contactForm").addEventListener("submit", function(event) {
        event.preventDefault(); // Prevent the default form submission

        // Get form data
        const name = document.getElementById("name").value;
        const email = document.getElementById("email").value;
        const subject = document.getElementById("subject").value;
        const message = document.getElementById("message").value;

        // Send email using Brevo API
        sendEmail(name, email, subject, message);
    });

    function sendEmail(name, email, subject, message) {
        const apiKey = "Your_Brevo_API_Key_Here";
        const emailNotificationUrl = "https://api.brevo.com/v3/smtp/email";

        fetch(emailNotificationUrl, {
            method: "POST",
            headers: {
                "Content-Type": "application/json",
                "api-key": apiKey
            },
            body: JSON.stringify({
                sender: { "email": "Your_Email_Here" },
                to: [{ "email": "Your_Email_Here" }],
                subject: subject,
                textContent: `Name: ${name}\nEmail: ${email}\nMessage: ${message}`
            })
        })
        .then(response => {
            if (response.ok) {
                document.getElementById("responseMessage").textContent = "Message sent successfully!";
                document.getElementById("contactForm").reset(); // Reset the form
                document.getElementById("errorMessage").textContent = ""; // Clear error message
            } else {
                return response.json().then(err => {
                    document.getElementById("errorMessage").textContent = "Error sending message: " + (err.message || "Please try again.");
                    document.getElementById("responseMessage").textContent = ""; // Clear success message
                });
            }
        })
        .catch(error => {
            document.getElementById("errorMessage").textContent = "Error: " + error.message;
            document.getElementById("responseMessage").textContent = ""; // Clear success message
        });
    }
</script>

</body>
</html>

1. Your_API_Key_Here where you write your brevo api in upper code
2. Your_Email_Here where your email that you used to make account on brevo.
3. Then Save this code with .html extension.

[Hanzla Baig]

In free plan of the brevo it provides the 300 mail sending limit per day. This very helpful and best website for mail sending.

[Hanzla Baig]

I am know the one website thats provide the free plan for sending mails without any card requirence.
Click Here To Get