Google App Engine API
| [This API is no longer available. Its functions have been split among the following APIs: Google App Engine Admin, Google App Engine Task Queue, Google Cloud App Engine Tasks, Google App Engine Admin... | Tools | 271 | Unspecified |
Google AdSense API
| The Google AdSense API is ideal for developers whose users create their own content through blogging, web publishing, forum/wiki/community creation, or any other application where substantial web... | Advertising | 189 | REST |
imageLoop API
| From their site: With imageloop you can create your own world of photos. Create moving photo albums (called Slideshows) and share them with anyone you like. And the best part: imageloop is completely... | Photos | 40 | RPC |
Google Fusion Tables API
| Google Fusion Tables is a free service for sharing and visualizing data online. It lets you upload data, share and mark up your data with collaborators, merge data from multiple tables, and create... | Database | 98 | REST |
GitHub API
| GitHub is a repository of public open source and private business code. Is is a fast, efficient, distributed version control system ideal for the collaborative development of software. Use it to fork... | Tools | 100 | REST |
Alexa Web Information Service API
| The Alexa Web Information Service makes Alexa's repository of information about the traffic and structure of the web available to developers. | Search | 129 | RPC |
Google Mashup Editor API
| [As of January 2009, this service and API are being discontinued by Google. This page is being maintained purely for historical and research purposes.]
Google Mashup Editor (GME) includes a... | Tools | 26 | Unspecified |
Pryv API
| Pryv is a platform for collecting personal, time-based data of all kinds to give users a visual overview of their online lives. This data may include health metrics, locations, videos, notes, or... | Personal Information Management | 21 | REST |
uClassify API
| The uClassify API allows you to classify text. You might use it to create a spam filter, categorize web pages, automate e-mail support, detect languages, classify a batch of blog posts, and more.... | Tools | 28 | REST |
COLOURlovers API
| From their site: With the release of the COLOURlovers API, you can now access almost 1 million named colors and more than 325,000 color palettes for your creative projects and applications. Creating... | Tools | 55 | REST |
Dapper API
| From their site: Dapper aims to make it easy and possible for anyone to extract and reuse content from any website. The Dapp search web service provides a programmatic interface for searching Dapps... | Tools | 22 | REST |
Yahoo Site Explorer API
| From their site: Yahoo! Site Explorer APIs provide access to information about your site from the Yahoo! Site Explorer service. These APIs help you better understand your traffic and usage --... | SEO | 44 | REST |
Janrain Engage API
| Janrain Engage (formerly RPX) is a service that allows customers to add social networking logins to their websites and applications, using a single login for their website.
The Janrain Engage API... | Security | 37 | REST |
Zapier API
| Zapier is an application that integrates applications together. Users can choose triggers that automatically push data and content from one application to another.
With Zapier, developers and users... | Tools | 67 | REST |
Alexa Top Sites API
| From their site: The Alexa Top Sites web service provides access to lists of web sites ordered by Alexa Traffic Rank. Using the web service developers can understand traffic rankings from the largest... | SEO | 87 | RPC v1 |
Bing Translator API
| The Microsoft Translator services can be used in web or client applications to perform language translation operations. The API can be used with either REST, SOAP or JavaScript protocol and responses... | Tools | 12 | RPC |
Pusher API
| Pusher is a simple hosted API for quickly, easily and securely adding realtime bi-directional functionality via WebSockets to web and mobile apps, or any other Internet connected device.
We offer a... | Tools | 134 | REST |
SEOmoz API
| SEOmoz provides companies around the world with consulting, Internet marketing and search engine optimization services. Our goal is to provide a high level of service and education to businesses,... | Search | 38 | REST |
Jawbone UP API
| Jawbone develops human-centered wearable technology and audio devices. Jawbone’s flagship product is Jambox, a wireless speaker and speakerphone. Jawbone’s UP is a wristband and app that tracks... | Tools | 51 | REST |
SEMrush API
| SEMrush creates software products for search and marketing professionals. Features include keywords research, SEO metric comparison, advertising research, and comparison of competitors’ organic... | Search | 42 | REST |
Plivo API
| Plivo is a telephony platform for integration with other apps. It is built to be integrative and take desired call making and receiving functions off of developers’ hands. It provides capacity for... | Telephony | 16 | REST |
zanox API
| zanox Web Services enables developers to access zanox infrastructure and services. With the API, you can enhance your advertising solutions and monetize your applications. The zanox company focuses... | Advertising | 37 | |
Amazon Queue Service API
| Amazon Simple Queue Service (Amazon SQS) offers a reliable, highly scalable, hosted queue for storing messages as they travel between computers. By using Amazon SQS, developers can simply move data... | Messaging | 12 | RPC |
Webhose.io API
| Webhose.io provides on-demand access to structured web data that anyone can consume. We empower you to build, launch, and scale big data operations - whether you’re a budding entrepreneur working out... | News Services | 53 | |
ipinfo.io IP geolocation API
| IPinfo is a free IP data API provider specializing in IP geolocation, though also offering endpoints for ASN, IP to company, IP to carrier, IP ranges, and hosted domains. The geolocation API returns... | Location | 48 | REST |