Our team has compiled a list of the most useful and cost-effective Data APIs for your business.

The Analytics Management API allows for programmatic access to the Google Analytics configuration data.

The Analytics Management API allows for programmatic access to the Google Analytics configuration data (Universal Analytics only). You can build applications to more efficiently manage large or complex Analytics accounts. Large companies with many properties can automate account setup. Even if you are building a reporting application the Management API provides you tools to navigate your account.

You can use the Google Analytics Management API to:

- List all the Account, Property (**Universal Analytics only**) and View (Profile) information for a user.
- Manage Properties (**Universal Analytics only**), Views (Profiles), and Goals.
- Manage user permissions for an account hierarchy.
- Retrieve a View (Profile) ID to use with the Core Reporting API.
- Determine which goals are active and access their configured names.
- Manage Links between Analytics properties (**Universal Analytics only**) and Google Ads accounts.
- Manage Remarketing Audiences .

Before using the Google Analytics Management API it is important to understand the Analytics account structure. A Google Analytics Account is organized into several levels and the Management API provides a programmatic way of interacting with the entities at each level.

Google Analytics Management API

Access report data in Google Analytics 4 (GA4) properties.

The Google Analytics Data API v1 gives you programmatic access to Google Analytics 4 (GA4) report data. Google Analytics 4 helps you understand how people use your web, iOS, or Android app. Learn more about Google Analytics 4 properties.

With the Google Analytics Data API v1, you can create reports to answer questions like:

- How many daily active users has my Android app had in the last week?
- How many page views has each of the top 10 page URLs for my site received in the last 28 days?
- How many active users per country has my iOS app had in the last 30 minutes?

The Google Analytics Data API v1 can also be used to:

- Build custom dashboards to display Google Analytics data.
- Automate complex reporting tasks to save time.
- Integrate your Google Analytics data with other business applications.

Google Analytics Data API

This REST API allows you to access Earth Engine's multi-petabyte Public Data Catalog from analysis jobs running in Google Cloud Platform.

Google Earth Engine is a geospatial processing service. With Earth Engine, you can perform geospatial processing at scale, powered by Google Cloud Platform. The purpose of Earth Engine is to:

- Provide an interactive platform for geospatial algorithm development at scale
- Enable high-impact, data-driven science
- Make substantive progress on global challenges that involve large geospatial datasets


Google Earth Engine API

ISBNdb REST API allows you to retrieve information about millions of books.

The ISBNdb database includes over 29 million unique ISBNs with up to 19 data points per book and searchable via our custom API. Choose one of the plans below to access the API for a free 7 day trial.

- Live database with over 29 million unique books
- Up to 19 data points per book including ISBN10, ISBN13, title, author, publication date, publisher, binding, pages, list price, cover image, language, edition, format, synopsys, and dimensions. Other data points for some books are overview, dewey decimal, weight, and subject.
- Searchable by title, author, isbn with multiple endpoint options
- New books and data points added daily
- Multiple languages available
- Used, rare, out of print books and every book in print
- No Long Term Contracts
- Customizable API functionality
- Higher API Requests per second for Premium and Pro Plans
- Bulk Data: get up to 1000 results per call (Premium and Pro only)

ISBNdb API

Ahrefs API is designed to empower our users to use data from Ahrefs Index in the way that suits best to users' needs.

Ahrefs API is designed to empower our users to use data from Ahrefs Index in the way that suits best to users' needs.

Ahrefs take pride in breaking new ground in cutting edge technologies and we've always been striving our best to keep our index fresh. Our own crawler AhrefsBot allows us to visit about 6 billion pages daily, index ~90 billion unique pages with ~700 billion unique external and 4,600 billion unique internal links as of now. And we will continue to build our index better both in size, speed and quality for our users. With the new initiative to build our new Ahrefs API, we're excited about having you from now on to be able to access this data of ours.

Ahrefs API is flexible and can accommodate various needs.
Below are some typical use cases. Read on!

- I want to use backlinks data for my personal needs or for our in-house 
- I want to provide Ahrefs data in my SEO application/service. 
- I want users to connect their Ahrefs accounts to be able to get data.



Ahrefs API

The DigitalOcean API allows you to manage Droplets and resources within the DigitalOcean cloud in a simple, programmatic way using conventional HTTP requests.

The DigitalOcean API allows you to manage Droplets and resources within the DigitalOcean cloud in a simple, programmatic way using conventional HTTP requests.

All of the functionality that you are familiar with in the DigitalOcean control panel is also available through the API, allowing you to script the complex actions that your situation requires.

DigitalOcean API

Spoonacular Food API allows access to large database of ingredients, recipes, products, etc. 

Spoonacular API provide solutions to make any food-related vision a reality.

Here are some of the features: 

- Find recipes to use ingredients you already have ("what's in your fridge" search)
-  Find recipes based on nutritional requirements
-  Extract recipes from any website
-  Classify a recipe's type or cuisine
-  Generate an entire meal plan
-  Generate shopping lists
-  UPC lookup of American grocery products
-  Detect food in text (NER)
-  Food trivia and jokes
-  Create a chatbot

Spoonacular Food API

Keen API allow you to stream, analyze, visualize and secure your data.

Here are some of the key features of Keen API: 

- Collects event data from websites, apps, backend servers, smartphones, and third-party systems like Stripe, Heroku, and SendGrid

- Personalizes customer experience by supporting custom product listings based on location, device, and environmental information 

- Supports a charting library and customizable APIs, allowing developers to build native, custom analytics tools 

- Integrates with third-party platforms to pull customer “health” data based on custom key behavior metrics

- Provides role-based data access so developers can share analytics with admins or customers

Keen API

With Noun Project Icon API you can bring a growing collection of high quality symbols to anything you create

**The Noun Project Icon API is full of possibility**

With our Icon API you can bring a growing collection of high quality symbols to anything you create. Innovators are using the Noun Project API to tell visual stories, educate children with autism, create real-time infographics, build interactive games, and personalize 3-D printed products. The possibilities are endless and we can't wait to see what you create!

**Why use our Icon API?**

- **Access thousands of icons**
Get immediate access to a collection of over a million icons. Built by creatives from around the world, our ever-growing collection includes everything from UX elements to emotions, objects, new technologies and social memes.


- **Curated for quality**
All of the icons undergo a stringent moderation process. Dedicated Noun Project staff review all uploads for both quality and copyright, so you get access to only the best content.


- **Reliable & Infinitely Scalable**
The API is built on AWS and currently handles nearly 100 million requests per month with 99.9% uptime. The REST API easily integrates with any website or app to get you up and running in minutes.

 
- **SVG & PNG access**
Pro accounts get access to our entire collection of SVG’s. Scalable Vector Graphics can be scaled up or down without pixelation, and allow for easy customization of color, gradients, and size. Playground accounts get access to our entire collection of PNGs, with SVGs available for public domain icons.


- **Track your usage**
Monitor your API call volume and track your application’s usage with our handy tools. With real time updates, you can see your app’s performance hourly, daily, and monthly.


- **Grows with you**
Test out your ideas & grow your traffic with our Playground account. Upgrade to the Pro once your app hits the big leagues.


- **Support independent creators**
We’re a community-driven platform. Every purchase you make is shared with our contributing designers.


- **Manage several apps**
We want you to build all that your heart desires. You can integrate our API into unlimited projects, so you never have to limit your creativity.

Noun Project Icon API

With IPinfo, you can pinpoint your users’ locations, customize their experiences, prevent fraud, ensure compliance, and so much more.

The Trusted Source
for IP Address Data
With IPinfo, you can pinpoint your users’ locations, customize their experiences, prevent fraud, ensure compliance, and so much more.

Fast • Accurate • Trusted by 500,000+ businesses and developers since 2013.$

Here are some of the features of IPinfo:

- **Geolocation**
Pinpoint your users’ exact location, no matter where they are in the world.

- **ASN - ISP or network**
Find out which internet service provider your visitors are using.

- **Company**
Identify the company name and domain for whoever is using the IP address.

- **Carrier detection**
Find out the carrier name, mobile country code, and mobile network code details.

- **IP Ranges**
Find all IP addresses ranges assigned to a company, identified by the provided domain name.

- **VPN Proxy Detection**
We perform custom full internet wide scans to detect almost 10 million active VPNs.


IPinfo

Find definitions, related words, and more, with a simple to use RESTful API.

**An API for the English Language.**
Find definitions, related words, and more, with a simple to use RESTful API.

- **Words API is Dictionary**
Use it to find definitions for more than 150,000 words. For example:
-- inevitable
-- ascendancy
-- boastful

- **A Thesaurus**
You can find synonyms, antonyms, or similar words. For example:
-- fast
-- warm
-- violet

- **And Much, Much More**
Words API includes hierarchical information, such as knowing that:
-- a hatchback is a type of car
-- a finger is a part of a hand
-- oxygen is a substance of water

Words API

The SecurityTrails API allows you to programmatically access all IP, DNS, WHOIS, and company related information that is available in the SecurityTrails Web Platform and beyond.

**SecurityTrails API**
_Data for Security companies, researchers and teams. Fast, always up API that allows you to access current and historical data. The API is paid via a simple pricing structure that allows you to embed our data into your applications._

**Key features**

- **DNS Record History**
It’s all here, fully-indexed historic and current data, ready to be accessed asap.

- **Domain Historical WHOIS Data**
Search nearly 3 billion historical and current WHOIS data and WHOIS changes.

- **Domain Names**
Search our daily-updating database – it’s over 203 million deep and growing.

- **Website Technologies**
Know what tech sites are running, and search by over a thousand technologies.

- **Passive DNS**
Get monthly access to over 1 billion passive DNS datasets.

- **Instant IP & Domain search**
Get the most current intel when it comes to IPs, domains, and hostnames in real-time.

- **Hostname Information**
Get the scoop on www subs and all known subdomains.

- **Tagging**
Searching is fast and simple with tagged and indexed intel.

SecurityTrails API

The FoodData Central API provides REST access to FoodData Central (FDC).

The **FoodData Central API** provides REST access to FoodData Central (FDC). It is intended primarily to assist application developers wishing to incorporate nutrient data into their applications or websites.

To take full advantage of the API, developers should familiarize themselves with the database by reading the database documentation available via links on Data Type Documentation. This documentation provides the detailed definitions and descriptions needed to understand the data elements referenced in the API documentation.

NOTE: The API that was available on the USDA Food Composition Databases Web site is no longer being updated and will be discontinued March 31, 2020. Users are encouraged to begin working with the new FoodData Central API system described on this page. This new API allows users to obtain Standard Reference (SR) Legacy data, provides the most current data from the USDA Global Branded Foods Database, and give users the ability to search for specific foods in Foundation Foods and the Food and Nutrient Database for Dietary Studies (FNDDS) 2017-2018.

What's Available
The API provides two endpoints: the Food Search endpoint, which returns foods that match desired search criteria, and the Food Details endpoint, which returns details on a particular food.

**FoodData Central is an integrated data system that provides expanded nutrient profile data and links to related agricultural and experimental research.**

At this time, only a basic view of search results is available for viewing on mobile devices. Advanced filter features, such as searching by data type, are not yet mobile-enabled and are available only in desktop view. Users are encouraged to use a desktop computer to conduct food item searches

FoodData Central takes the analysis, compilation, and presentation of nutrient and food component data to a new level. FoodData Central:

- Can be used by, and has benefits for, a variety of users, including researchers, policy makers, academicians and educators, nutrition and health professionals, product developers, and others.
- Includes five distinct data types that provide information on food and nutrient profiles: Foundation Foods, Food and Nutrient Database for Dietary Studies 2017-2018 (FNDDS 2017-2018), National Nutrient Database for Standard Reference Legacy Release (SR Legacy), USDA Global Branded Food Products Database (Branded Foods), and Experimental Foods. Each of these data types has a unique purpose and unique attributes.
- Links these distinct data types in one location, thus strengthening the ability of researchers, policy makers, and others to address vital issues related to food, nutrition, and diet-health interactions.
- Provides a broad snapshot in time of the nutrients and other components found in a wide variety of foods and food products..

FoodData Central API

Adzuna API provides employment data to power your own website, reporting and data visualisations.

**Build with Adzuna**
Get the very latest ads and data with Adzuna's API. Get job ads to display on your own website. Use Adzuna's up-to-the-minute employment data to power your own website, reporting and data visualisations.

**Get ad listings**
Search Adzuna's full listings of job adverts using keywords and locations.
Enhance your own website with Adzuna's search function and massive database of ads.

**Get job data**
Get direct access to the latest employment figures.
Use this data to show off the latest employment data in snazzy charts and graphs on your website.

**Labour Market Intelligence**
Our API gives programmatic access to Adzuna, but we can provide much more: historical data, full job details, standardised job titles and skills to name a few. Discover how we can support your organisation with data and analytics.

- **Data**
A wealth of supply and demand data to interrogate via our data packages or bespoke extracts to answer specific objectives.

- **Insights**
Your research objectives translated into a set of aggregated, actionable insights derived from our unique data extracts and proprietary data fields.

- Job search model provides near-comprehensive coverage
- 16 countries. 2 billion+ adverts. 15M+ jobseekers each month
- Real-time updates and up to 6 years+ historical adverts

Adzuna API

Trademark search API allows to search the US trademarks database (USPTO) based on a search string.

**Trademark Search API**
Use  Trademark search API to search the US trademarks database (USPTO) based on a search string. The API allows search by serial number, trademark, owner, upcoming expiration date, and product/service description. Sign up to integrate trademark data into your application.

Our API (application programming interface) is a REST API that searches the US trademark database (USPTO) of wordmarks and returns a JSON-encoded result set of matching trademarks based on a search string.

Marker API V2 has 5 different API endpoints: Serial Number Search, Trademark Search, Description Search, Owner Search, and Expiration Search.

The Serial Number API endpoint returns one record per search and includes all registration data for the trademark.

The Trademark Search API endpoint allows for either exact match or wildcard searching using asterisks for wildcards. The trademark search can return trademarks of all statuses (pending, active, expired) or only active trademarks by setting "status" to "all" or "active".

The Description Search API endpoint searches the goods/services description and performs a wildcard search within the trademark descriptions. The description search can return trademarks of all statuses (pending, active, expired) or only active trademarks by setting "status" to "all" or "active".

The Owner Search API endpoint searches for trademarks registered by a certain person, group, or company.

The Expiration Search API endpoint searches for expiring trademarks within a given, future, time frame ("6 months", "1 year", etc).

All API endpoints implement paging for faster API responses with large result sets with 100 results per page. When a response has more results than what is returned the "next" key is set in the response. The next key is an integer that you should use as your "start" parameter in your next API call to see the next page. You should send all the same parameters (search, status, etc) but change the start parameter for each subsequent page request.

The data returned consists of:
- serial number
- trademark
- goods and services code
- description
- status code
- status
- status description
- owner and address
- filing date
- registration date


Trademark Search API

UPC Database API allows you to access our UPC database with any programming language.

**Welcome to the UPC Database**
_Free information on thousands of products_

**Welcome to UPC Database!**
Since our launch in 2010, we've gathered more than 1.9 million barcode numbers from all around the world. Codes are added to the database from users like you.

Our database contains a mixture of barcode types from the standard UPC numbering system, the worldwide EAN numbering system, and the Bookland numbering system. Our database provides information such as the product name, price, quantity, and manufacturer. We also take this one step further by providing an image of the item, a rating system, and a product alias for shopping list applications.

We offer other services as well such as an API, useful in creating applications, a check digit calculator, a QR Code generator, and now, even a mobile site!

Our mission statement? To provide a platform for members to retrieve and submit product information using our web or API interfaces.

**UPC Database API**
Our API allows you to access our UPC database with any programming language.

We have different API endpoints that you can explore on the left.

When designing our new API, we have taken great steps to ensure the development process remains quick and simple.

- Products
1,960,013

- Images
131,393

- Database size
2,795 MiB

- Monthly API
117,871

UPC Database API

High-quality data on over 875,000 grocery products, branded foods, and raw ingredients in the United States, and all around the world.

## Food & Nutrition Database API
High-quality data on over 875,000 grocery products, branded foods, and raw ingredients in the United States, and all around the world.

## Data We Provide
We take pride in being recognized as one of the industry leaders for grocery, branded, and raw food data. Our data is updated on a regular basis and is continually audited to ensure accuracy.

## Tools & Resources
Our API was built by developers, for developers, and follows OpenAPI specifications. We are committed to providing resources, so you get the most out of our database.

## Awards & Accolades
We are extremely proud to be recognized as one of the industry leaders for high-quality food data.

Featured on Product Hunt on February 2, 2020 as the **#3 Product of the Day.**

- API World, a tech conference in Silicon Valley, recognized us as being one of the Top 300 API Industry Innovations.
- Programmable Web recognizes us as one of the Top 7 Nutrition APIs, one of the Top 10 Most Popular Food APIs, and one of the Top 10 Barcode APIs.

Food & Nutrition Database API

An image manipulation/data serving API written with a variety of languages.

**A Powerful and Fast API that can do amazing things.**
Built with a variety of languages to maximise performance, Dagpi is fast and reliable

**Easiest Image Manipulation Ever**
Powered by powerful networking APIs, Dagpi saves you from having to run resource intensive image manipulation on your own hardware. Simply utilise our services and our SDKs for easy image manipulation. No assembly required.

**A curated collection of data at your fingertips**
From roasts, jokes, and pickup lines, to entire countries, waifus, and full fledged game data. Add a new degree of user engagement with our vast data archive.

**Powerful Statistics**
Our rich and informative dashboard features not only full administrative access, but also boasts of a wealth of metrics that are visualised for your understanding.

**_All the characteristics of a Modern API_**
**Fast**
Dagpi is lightning quick, using the fastest web development framework available

**Secure**
Cloudflare HTTPS is used for top-tier, industry standard security

**Easy to Use**
With plenty of documentation, Dagpi is a breeze to implement

**Open Source**
All source code is publicly available for viewing and contributions

**Wrappers in Major Languages**
API wrappers are provided in numerous major languages for user convenience

**Active Community**
Dagpi boasts an active community on Discord that's always willing to lend a hand

Dagpi

Smartcar is the only car API built for developers, by developers.

Smartcar is the car API for mobility applications. We allow car sharing, auto insurance, fleet management, and EV charging applications to retrieve the location, odometer reading, EV battery level, and other information from vehicles across brands in a single integration.

Smartcar makes it easy to read vehicle data and send commands to vehicles of any brand using HTTP requests. The Smartcar API is organized around REST. We use built-in HTTP features like HTTP verbs and HTTP authentication so you can use any HTTP client. All responses are returned in standard JSON and are documented in our API reference.

All requests made to our API require an access token. Our API uses the OAuth2 authorization framework and provides a granular permissioning system that authorizes API endpoints based on user preferences. This allows applications to easily authorize and interact with vehicles through the Smartcar API.

Smartcar API

The Simkl API lets you build a variety of applications and scripts to integrate Simkl with your apps, show Simkl data in other contexts, and update your watch history from various locations.

Here are some examples of the things you can build with the Simkl API:
- A browser extension to quickly mark as watched or add to your watchlist from any web page.
- A Movie, TV or Anime app for iOS or Android.
- Plugin for your favorite media center app to sync your watch history with Simkl.

Simkl API

The Trakt API gives you access to data from TV shows and movies everyone is watching.

The Trakt API powers thousands of apps like media center plugins, mobile apps, watch apps, command line utilities, and smart home integrations.

At Trakt, we collect lots of interesting information about what tv shows and movies everyone is watching. Part of the fun with such data is making it available for anyone to mash up and use on their own apps. The Trakt API was made just for this purpose.

It is very easy to use, you basically call a URL and get some JSON back.More complex API calls (such as adding a movie or show to your collection) involve sending us data. These are still easy to use, you simply POST some JSON data to a specific URL.

Trakt API

The Watchmode API is the most powerful streaming availability API.

We've built a number of robust APIs and features to allow you to build rich applications around streaming availability of movies & TV shows.

#### FEATURES
**Over 200 Services**
Watchmode catalogs the content not just on the big services (Netflix, HBO Max, Amazon Prime, Peacock, Disney+, Hulu, etc.), but also categorizes hundreds of smaller streaming services, rental services, free video apps and TV channel apps.

**Over 50 Countries**
Watchmode's API allows you to filter streaming availability by country, and know what's available to watch in each country.

**Simple REST API**
Watchmode's API is organized around REST, and allows for very simple integrations with your application. We are constantly improving the API to add more features and data points.

**Lightning Fast**
The Watchmode API is designed to be as fast as possible, and our core queries such as finding the streaming sources for a single title are designed to be instantaneous.

Watch Mode API

70+ years of global, hourly historical and forecast weather data from NOAA and ECMWF

Oikolab has processed hundreds of terabytes of data to give you access this data in seconds rather than hours, whether you require 1 month or 70 years of historical data so that you can focus on your analysis rather than downloading and processing raw data.

Climate reanalyses combine vast observations from satellites, aircraft, land and sea based weather sensors with atmospheric models to generate consistent time series of multiple climate variables. ERA5 is the latest climate reanalysis produced by ECMWF, providing hourly data on many atmospheric, land-surface and sea-state parameters.

Developers have access to all our data throught the REST API:

- Weather Data.
- Archived Forcasts.
- Ensemble Forecasts.
- Seasonal Forecasts.
- Air Quality Forecasts.

Oikolab API

A simple but informative API on Air Quality Index from regions all over the world.

Obtain and visualize Air Quality Index data from our Map Tile API, Widget API and JSON API.

#### Map Tile API
The map tile API can be used to show the real-time Air Quality index on a google, bing or openstreet map.

#### Widget API
The widget API can be used to integrate the real-time Air Quality index on any web page.

#### JSON API
The JSON API can be used for advanced programmatic integration:
- Access to more than 11000 station-level and 1000 city-level data.
- Geo-location query (based on latitude/longitude or IP address).
- Individual AQI for all pollutants (PM2.5, PM10, NO2, CO, SO2, Ozone).
- Station name and coordinates.
- Originating EPA name and link.
- Current weather conditions.
- Stations within a map lat/lng bounds.
- Search stations by name.
- Air Quality forecast (for 3~8 days).

AQICN Air Quality Index API

AccuWeather provides hourly and Minute by Minute forecasts with Superior Accuracy for any longitude/latitude on Earth.

AccuWeather Forecast API has local and international weather forecasts from the most accurate weather forecasting technology featuring up to the minute weather reports. Get forecast information for a specific location. Use the Locations API to find the location Key for you location and use it to get accurate and precise weather reports.

#### Daily
- Get 1 Day of Daily Forecasts.
- Get 5 Day of Daily Forecasts.
- Get 10 Days of Daily Forecasts.
- Get 15 Days of Daily Forecasts.

#### Hourly
- Get 1 Hour of Hourly Forecasts.
- Get 12 Hour of Hourly Forecasts.
- Get 24 Hour of Hourly Forecasts.
- Get 72 Hour of Hourly Forecasts.
- Get 120 Hour of Hourly Forecasts.



The Top 50 Data Apis for Developers