40 Free APIs Every Developer Should Use

Are you looking to supercharge your next programming project? Here's a curated list of 40 free APIs that cover a wide range of functionalities. From accessing stock photos to creating custom bars on Discord channels, these APIs are sure to elevate your applications.

Unsplash API

Get free high-quality stock photos for your projects.

YouTube API

Change thumbnails, titles, and perform AB testing for your YouTube channel.

JustWatch API

Search for movies and build your own project on what to watch.

Pantry API

Store JSON data without setting up a database.

Clearbit Logo API

Get company logos for your applications.

Waifu API

Build your own anime wife for free.

IGDB API

Access game versions, genres, covers, and more.

Discord API

Build custom bars and engage your community on Discord.

World News API

Get up-to-date world news for your application.

Random Data Generator API

Generate fake data for testing your app.

Foreign Exchange Rates API

Retrieve foreign exchange rates without an authentication key.

Civic Aspects API

Send data to other apps or services using webhooks.

Kroger API

Generate diagrams from text inputs.

Google Docs API

Access and integrate Google Docs into your applications.

HTTP Status Dogs API

Retrieve cute images based on HTTP status codes.

Geocoding Places API

Translate addresses into map coordinates.

GPT-4 with Machina Extension

Access the GPT-4 language model for code assistance.

Ticketmaster API

Search for events and terms for discovery.

I Love PDF API

Extract text, edit PDFs, and more.

CloudConvert API

Convert files easily and affordably.

Alarm API

Run large language models locally for privacy-centric apps.

Free Dictionary API

Retrieve word meanings without an API key.

OpenWeather API

Access weather data for your applications.

Alpha Vantage API

Retrieve stock market data for building trading bots.

Yahoo Finance API

Get historical data on stocks.

Deck of Cards API

Access playing card-related functions for games or user interfaces.

WordPress REST API

Query and integrate WordPress with your web projects.

Spotify API

Retrieve artist and song data for music-related projects.

Podcast Index API

Retrieve podcast information and transcripts.

Deepgram API

Convert speech to text with additional features like sentiment analysis.

Zen Quotes API

Access random quotes for fun programmatic use.

Open Food Facts API

Retrieve information on products using barcode numbers.

Stripe API

Accept payments and build financial automations.

Sendinblue API

Simplify email sending and integration in your code.

Trace.moe API

Retrieve anime series based on frames or screenshots.

Favorite App APIs

Access APIs for popular apps like Notion, JIRA, and more.

Alpaca API

Create automated stock trading bots.

NASA APIs

Explore various APIs for astronomy pictures, Mars weather, and more.

Movie TV API

Retrieve information on movies and TV shows.

Dates API

Perform date-related functions without dependencies.

Key Insights

1. The availability of free APIs for various purposes allows developers to access valuable resources without significant costs.
2. APIs like Unsplash and YouTube provide developers with tools to enhance their projects with high-quality images and customizable video features.
3. APIs such as Pantry and Clearbit Logo simplify database management and provide access to company logos for branding purposes.
4. Niche APIs like Waifu and IGDB cater to specific interests, allowing developers to create unique applications for anime fans and gamers.
5. APIs like Discord and World News enable developers to engage communities and provide up-to-date information in their applications.
6. APIs such as Random Data Generator and Foreign Exchange Rates offer valuable resources for testing and financial applications.
7. Webhooks services like Civic Aspects facilitate data exchange between applications, enhancing functionality and integration.
8. APIs like Google Docs and HTTP Status Dogs provide developers with access to popular services and add fun elements to their projects.
9. APIs such as Geocoding Places and GPT-4 with Machina Extension offer powerful tools for location-based services and language modeling.
10. Various APIs cater to specific industries and interests, including Ticketmaster for event discovery and Deck of Cards for gaming applications.
11. APIs like WordPress REST API and Spotify enable developers to extend the functionality of popular platforms and integrate them into their projects.
12. APIs like Deepgram and Zen Quotes offer speech-to-text and random quote generation capabilities, enhancing the user experience.
13. APIs such as Open Food Facts and Stripe provide valuable resources for product information retrieval and payment processing.
14. APIs for favorite apps like Notion and JIRA allow developers to integrate these platforms into their projects and enhance productivity.
15. APIs like Alpaca and NASA APIs offer unique resources for stock trading automation and access to astronomy-related data.
16. The Dates API provides a simple solution for date-related functions, eliminating the need for complex dependencies.

Thank you for exploring these 40 free APIs! Incorporating them into your projects can enhance functionality, improve user experience, and streamline development processes. Don't forget to subscribe for more programming content!