Its free Basic plan is for private usage only. Overages are less than half a cent each.Īnother free API is Currency Converter by NatKapral. Labstack’s Basic plan for the Currency API is free and includes a monthly quota of 400 requests. Are there examples of free currency conversion APIs?Ĭurrency by Labstack is a popular free conversion API available on the RapidAPI Marketplace. Traders and property investors that utilize applications containing the best currency converter APIs can look forward to obtaining accurate currency values. What can you expect from the best currency converter API?ĭevelopers can expect to launch their applications faster because of the savings in resources and coding time. Since many currency APIs also show historical data and trends, traders and other investors can use it to make informed buying and selling decisions. Why is an API for currency conversion and exchange important?ĪPIs for currency conversion and exchange are valuable tools for developers because instead of coding to retrieve data from multiple sources, they can find currency exchange rates in one place. Real estate professionals who invest in property in foreign countries or purchase goods internationally can also benefit from a currency API. Who is a currency converter API for?Ĭurrency converter APIs are for developers and other API users who want to add currency and exchange conversion functionality to their applications without having to write the entire code.īusiness traders who trade in the foreign exchange markets (FOREX) will find currency APIs helpful as well. Typically, the response body format is JavaScript Object Notation (JSON), but Extensible Markup Language (XML) is commonly supported as well. How does a currency converter and exchange API work?Ĭurrency converter and exchange APIs use the GET method to retrieve data from reliable financial sources. Developers that subscribe to a currency converter API service can select the plan that best suits their method request frequency needs and budget. What is a currency converter and exchange API?Ī currency converter and exchange application programming interface (API) is a service that allows developers to add currency conversion capability to their applications. Retrieve the latest exchange rates for hundreds of currencies with a currency converter and exchange API. IsTracked = cursor.getInt(cursor.getColumnIndex("isTracked")) = 1 ? true : false ĭeclare the column names as constants as done for table name.Īdditionally, create DbHelper class by extending SQLiteOpenHelper for accessing and managing the database.Currency Converter and Exchange APIs About currency converter and exchange APIs Name = cursor.getString(cursor.getColumnIndex("name")) Ĭode = cursor.getString(cursor.getColumnIndex("code")) Id = cursor.getLong(cursor.getColumnIndex("_id")) Ĭountry = cursor.getString(cursor.getColumnIndex("country")) Public class Symbol extends AbstractModel, null, null, null) Additionally, we implement CRUD (create, read, update, delete) functionality in the model class itself. The data model classes are simple Java beans with attributes and getters/setters corresponding to the table columns. The Quote table holds the exchange rates between currencies and other useful information which would be updated regularly.Ĭreate a package to hold the data model classes. The Symbol table holds basic information about each currency such as its name, country, ISO code, and whether the user is tracking the currency. The data model of the application comprises of two tables. The project gets created in your workspace. In New Android Project dialog enter the project details as follows.Ĭlick Finish. In Eclipse, go to File > New > Project and in the New Project dialog, expand Android folder to select Android Project. There is also a settings screen which we cover in the tutorial. There is a search mechanism available in the main screen which allows user to search a currency and add it to the list. And the details screen uses AChartEngine library to render the chart. The main screen is implemented using a ListView with custom layout for the rows. Apart from these we also allow user to check historical exchange rates which involves plotting charts using third party libraries like AChartEngine. Even if you do neither of these you'd still find it interesting to check the exchange rates of world currencies and how they vary over time.ĭeveloping a currency converter app is a good way of learning Android development as it involves a lot of concepts such as making REST calls, parsing the data, storing into a database, as well as updating the data in background. If you travel to foreign countries or do forex trading then you already know the utility of such an application. In this tutorial we show how to create a currency converter app in Android.
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