Free APIs and software
All our APIs and software are free for anyone to use and consume. No need for sign ups or API keys. Our ambition is to provide free solutions to help developers, students and small organisations that needs it. Browse through our wide collection of APIs and front-end solutions on this page.
APIs
Widgets/UIQuick links
Currency APIStock APIWeather APINHL APICity APIDog APICredit card APICrypto APIScraper APIQR-code APIRandom image APIE-mail APIE-book APISports APIImage resizer APIWatch APIGym APIGym exercises
Currency exchange API
Full documentationAPI for exchange currency rates. The API supports getting the rate between two currencies and also a calculation endpoint for calculating the total amount between two currencies.For more information, read the docs here.
Example of conversion from USD to EUR
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Example of exchanging 10 EUR to USD
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Stock API
Full documentationA lightweight API for serving stock prices and stock changes in real-time. The API returns the current price, last close, percentage change, company name etc.
Test the API
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Weather API
Full documentationOur free weather API will provide you with a 10 day forecast for a given city. The API will provide data such as wind, temperature, summary text and much more. Read the docs here for more info.
Forecast for Berlin
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Suggestions for "detr"
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NHL schedule API
Full documentationOur free NHL API will provide you with the schedule for the National Hockey League. The API will provide data such as date, teams, live score and much more. Read the docs here for more info.
Test the API
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City API
Full documentationOur free city API will provide you with information about a given city. Such as country, coordinates and population. Read the docs here for more info.
Example request for New York
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Dog API
Full documentationA small API for getting dog breeds, dog images and information about the breed.
Search for "German shepherd"
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Credit card API
Full documentationA slim API for verifying credit card numbers. The API will validate both full numbers as well as partial numbers. It returns the card vendor and if it is valid or not.
Example of American Express validation
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Example of partial Visa validation
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Crypto API
Full documentationA free and open API for hashing a text and to validate a hash. Our API is using bcrypt in the background. Read the docs here for more info.
Example for hashing "admin123"
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Example for validating "admin123" and the previous returned hash
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Web Scraper API
Full documentationThe Web Scraper API provides you with the entire HTML content for a given URL. Full documentation with examples is found here.
Test the API
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QR-code API
Full documentationThis API allows you to create your own QR codes for a given value. Choose between a SVG or a PNG image. The API also allows you to verify a QR code from an image.
Create a QR code as PNG
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Create a QR code as SVG
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Random image API
Full documentationOur random image API will provide you with random royalty free images (pixabay as source) that you can use in your application for placeholders and design needs.
Get a random image with category "animals"
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E-mail API
Full documentationA free API for sending e-mails. The API is intended for websites without any backend that needs a Contact page, subscribe to newsletter or similar. We will require you to send your email to us so we can add it as a trusted email before using the API.
E-book API
Full documentationAn API for finding e-books. Search and find e-books by author, title or ISBN. The API is using Google Books as source of data.
Search with ISBN
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Search books by author (Lee Child)
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Search books by title (Lord of the rings)
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Sports API
Full documentationAPI for getting historical winners in major sport events, such as UEFA Champions League, Stanley cup, Wimledon, FIFA World Cup and many more. The API is growing and we are continously adding more sport events to our database.
Get all FIFA World cup winners
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Get 2022 stanley cup winner
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Image resizer API
Full documentationWe offer a free API for resizing and rotating images. Send an image file, dimensions and/or rotation degrees and our API will get you your new image back. Full documentation is found here.
Try out the API with our Resizer widget
Watch API
Full documentationAPI for getting premium watch brands and their respective collections. The API allows you to retrieve all brands we have in the database, and also searching by a specific collection or brand. Full documentation is found here.
Search for "spring drive" (Grand Seiko)
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Search for GMT
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Gym API
Full documentationA free look up API for getting gym exercises. Use the API to get exercises by each muscle group or search for a specific exercise. Read the docs here for more info.
Get all muscle groups
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Get all "bicep" exercises
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Find all exercises matching "barbell"
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Gym exercises
Full documentationA lightweight lib in JavaScript for getting gym exercises for all muscle groups. Read the docs here for more info.