BitKonan

BitKonan is a Croatian-based BitCoin and cryptocurrency trading platform that offers a flat trading rate of 0.29% per transaction. The BitKonan Public API allows access to market data including recent BitCoin prices, highest buy and sell orders, order book, and recent transactions. Using an API key, developers may access the private API to retrieve a user's balance, view a specific user's transactions, and perform order maintenance. Requests to the server are made over HTTP and return JSON objects.

Dandelion Wikisearch

With this experimental API, users could find Wikipedia pages if they can't recall the exact title. Dandelion Wikisearch can be useful for developers who work with Internet data and who are interested to add this service in a particular website or application. The site displays the parameters of text and lang as required in addition to limit, offset, query, and include as optional. JSON responses are available along with code samples. Developers can receive support via e-mail and community forum.

Senfluence Sentiment & Influence

Senfluence is formed by 2 words: sentiment and influence. The goals of this API are to understand sentiments and to analyze the popularity of websites in 13 languages. When users are redirected to the get demo link, they will first see the benefits that include to obtain a sentiment analysis based on positive, negative and neutral feedback and to score documents based on keywords. Other uses of the API consist in adding scores to developers' tools and analyze non social media web documents. This API supports JSON format. In the site, developers will find an API key, an API syntax for JSON,and an API response.

Hablaa

Hablaa provides crowdsourced document translation services. Documents are split into smaller parts and translated simultaneously by multiple translators who only translate into their native languages. Quality is ensured by a final review by a professional translator. Hablaa's Dictionary Translation API translates words to and from more than 140 languages. The API is currently free to use with no signup required.

S3Bubble

The S3 Bubble is a cloud storage and media streaming service that syncs with an Amazon Web Services API. Through storing, selling, and streaming media S3Bubble states they are a revenue generating service. Currently in production, the API is meant to give users and developers more control in implementing the S3Bubble plugins.

Senfluence Social Media Monitoring

Senfluence was founded in 2007 with the goal to monitor social media. With the API Social Media Monitoring, developers have access to a demo key that will help to import results, search articles in Twitter, Facebook and other social media channels, and monitor in autopilot. The API supports XML and JSON formats. Once developers register, they will choose between several pricing options according to the number of services requested. In the site, users will have access to an API Key, an API Syntax, and an API response.

SMSBump

SMSBump is a multi-channel messaging service that is capable of delivering messages to more than 200 countries and networks. It can send SMS, VMS, USSD, MMS, and WhatsApp messages. The SMSBump API allows users to send any of these kinds of messages and to check their account balances programmatically.

2PEAK

2PEAK helps users create and stick to training plans for cycling, running, swimming, triathlons, MTB, and cross-country skiing. The service responds dynamically to changes in the users' plans and helps calculate an appropriate training load. 2PEAK also includes a nutrition app that specifies what and how much the user should be eating based on their activities. The 2PEAK API enables developers to access the entirety of 2PEAK's Dynamic Training Platform from their applications.

Vacation Labs Tours & Activities

Vacation Labs is a marketing and technology platform for tour operators. It allows tour and activity operators to manage all their content, rates, inventory, and bookings on a cloud-based SaaS platform. It allows them to distribute their products to various marketplaces via APIs. Using this API marketplaces can get a unified feed of all tours and activities that are being managed on the Vacation Labs platform. Individual tour operators can also use these APIs to build custom tools around the platform.

TripAdvisor Content

TripAdvisor is one of the world's largest travel sites featuring reviews and advice on hotels, resorts, flights, vacation rentals, vacation packages, travel guides, and more. TripAdvisor's Content API allows access to business information on travel destinations. API calls can be made using HTTP requests to return data in JSON formats. The API returns rich data on ratings, prices, location, and reviews of travel-themed accommodations, restaurants, transportation, and hotels. The destination parameter will return top local restaurants with business details for each. The API is free to use for any developer that requests an API key and is approved.