audioBoom

audioBoom provides audio content from major sports and media outlets, as well as smaller podcasters. Content hosted on audioBoom can be shared via the website, embeddable players, mobile applications, and social media websites. The audioBoom API provides users with access to almost every function the site offers. Full documentation for the API is available on GitHub.

Square

Square helps consumers to pay with card in a mobile environment. For a business that prefers to keep all sales information in a settled location, Square Stand is the choice. In contrast, if the enterprise is mobile, Square Reader is the alternative. With the aim to ease commerce, Square offers The Connect API. This application provides HTTP endpoints to retrieve reports for users' payments, refunds, and settlements. It also allows to manage merchant's items. Square Connect API is about point of sale transactions with cards using iPad, iPhone, and Android. Additional resources of transactions, OAuth, and eCommerce are available on Square site.

Unified Communications Web

Microsoft's Unified Communication Web API (UCWA) REST API allows developers to modify their Enterprise applications using the Lync Server 2013's Instant Messaging and Presence capabilities. The API enables developers to add functions like anonymous web chat, multi-party instant messaging, and scheduling online meetings. The API also supports cross-platform communications across browsers and devices. It can be used from any language and any platform. Data is transferred with JSON or XML. Using the API requires that users have Lync on premises.

Hookflash

Hookflash is a mobile communications platform that allows users to add real-time communication (RTC) functions to their applications. The services it provides include text messaging, real-time video, and video calling. SDKs are provided for building both Android and iOS apps. Hookflash also provides free developer sandboxes for testing and developing apps.

Marqeta DMC

Marqeta is an issuer processing platform for mobile-based credit payments. The Marqeta DMC API can be integrated in to 3rd party applications to support payment processing in web environments. Implementing the API, developers can manage their users, coordinate payment plans, create spending controls, oversee addresses, fees, campaigns, transactions, transfers, and more. The API accepts HTTP calls in JSON formats, and comes well documented.

IAB OpenDirect

The OpenDirect API, supported by the Interactive Advertising Bureau, can be used to streamline the purchasing and selling of digital ad space. The API allows publishers to programmatically track packaging, pricing, and delivery of their reservations, and allows buyers to reserve and publish content to various web media. The API was compiled through the collaboration of tech analysts from AOL, Yahoo, Microsoft, and other companies. The API is RESTful supporting JSON requests and handles user authentication with OAuth.

Visual Studio Online

Visual Studio, an integrated development environment from Microsoft, that enables programmers to develop different computer programs compatible with Microsoft Windows. The API lets developers to integrate their applications with Visual Studio Online (VSO). With this API, developers will be able to make request to access different type of information available from VSO. Response is in JSON format.

Immobilienscout24 Construction Financing

Immobilien Scout 24 is a Real Estate company in Germany that lets customers to search for ads, build houses, and decorate. The Construction Financing API allows developers to integrate functions such as searching for offers, contacting mortgage providers, and attaching images of properties into their own applications. Outputs are in XML and JSON formats.

ImmobilienScout24 Valuation

Immobilien Scout 24 is a Real Estate company in Germany that lets customers to search for ads, build houses, and decorate. The valuation API lets developers to integrate features as cross referencing prices and examining the pricetrend into their own applications. Outputs for this API are in XML and JSON formats.

ImmobilienScout24 GIS

Immobilien Scout 24 is a Real Estate company in Germany that lets customers to search for ads, build houses, and decorate. The Geo Information Service (GIS) API allows developers to integrate its function to geographically locate properties around the selected region. XML and JSON are supported.