Top Real Time Convert API Alternatives in 2025
As the demand for real-time currency conversion and measurement unit conversion APIs continues to grow, developers are seeking reliable alternatives to existing solutions. In this blog post, we will explore some of the best alternatives to the popular Currency Rate API, detailing their features, capabilities, and ideal use cases. Each alternative will be examined in terms of its strengths and weaknesses, providing developers with the information they need to make informed decisions for their projects.
1. Currency Rate API
The Currency Rate API is an application programming interface that enables developers to retrieve real-time exchange rates between different currencies. This API simplifies the process of currency conversion, allowing developers to integrate it into their applications seamlessly.
Key features of the Currency Rate API include:
- Get Real Time Rate: This feature allows developers to retrieve the current exchange rate between two specified currencies. For example, to get the rate between Euro and Dollar, developers simply need to input these parameters.
{"success":true,"from":"USD","to":"EUR","rates":[{"pairName":"USD/EUR","price":0.908,"dayChanged":0.0027,"dayChangedByPercent":0.29,"dayChangedStatus":"+","from":"USD","to":"EUR","lastUpdated":"2023-04-27T13:12:11.116Z"}]}{"success":true,"symbols":[{"country":"United States","isoCode":"USD","name":"United States Dollar","symbol":"$"},{"country":"Euro Member Countries","isoCode":"EUR","name":"Euro","symbol":""},...]}{"success":true,"from":"USD","to":"EUR","amount":100,"converts":[{"pairName":"USD/EUR","price":0.9084,"dayChanged":0.003,"dayChangedByPercent":0.33,"dayChangedStatus":"+","from":"USD","to":"EUR","lastUpdated":"2023-04-27T13:17:30.999Z","amount":100,"result":90.84}]}Typical use cases for the Currency Rate API include e-commerce platforms converting product prices for international customers, travel apps helping users budget in foreign currencies, and personal finance tools tracking investments across different currencies. The API maintains data accuracy by sourcing exchange rates from reputable financial institutions and continuously updating the rates to reflect real-time market changes.
Need help implementing Currency Rate API? View the integration guide for step-by-step instructions.
2. Forex Converter API
The Forex Converter API provides real-time exchange rates for seamless currency conversions in financial applications, travel websites, and e-commerce platforms. This API is designed to deliver accurate and up-to-date currency conversion services.
Key features of the Forex Converter API include:
- All Currencies: This feature allows developers to retrieve a list of all supported currencies by executing a simple parameter call.
[{"symbol":"USD","name":"United States Dollar"},{"symbol":"ALL","name":"Albania Lek"},...]{"success":true,"validationMessage":[],"result":{"from":"EUR","to":"KWD","amountToConvert":10,"convertedAmount":3.396614669764354}}Data accuracy is maintained through regular updates from trusted financial sources, ensuring that the exchange rates reflect current market conditions. Typical use cases include financial applications needing real-time currency conversion, e-commerce platforms displaying prices in multiple currencies, and travel apps providing currency exchange information for travelers.
Ready to test Forex Converter API? Try the API playground to experiment with requests.
3. Measurement Unit Conversion API
The Measurement Unit Conversion API allows users to convert all types of measurement units programmatically. This API is ideal for applications that require unit conversions across various domains.
Key features of the Measurement Unit Conversion API include:
- List of Units: This feature provides a comprehensive list of all supported measurement units across various categories. Developers can call this feature to retrieve available units.
["acceleration","angle","apparentPower","area","charge","current","digital",...]{"value":"90.7185","abbreviation":"kg"}Common use cases include developing converter applications, generating reports with multiple measurement units, and facilitating data analysis where unit conversions are necessary for clarity. Users can utilize the returned data by integrating it into applications for real-time conversions or creating user-friendly interfaces for unit conversion tasks.
Want to try Measurement Unit Conversion API? Check out the API documentation to get started.
4. Currency Converter API
The Currency Converter API supports over 160 currencies and is based on data provided by National Central Banks and markets. This API is ideal for financial companies that need to convert amounts between currencies.
Key features of the Currency Converter API include:
- Available Currencies: This feature allows developers to retrieve a list of all available currencies supported by the API.
{"currencies":{"STN":"So Tom and Prncipe dobra","XAG":"Silver (troy ounce)",...}}{"base_currency_code":"USD","base_currency_name":"United States dollar","amount":"100.0000","updated_date":"2023-07-23","rates":{"GBP":{"currency_name":"Pound sterling","rate":"0.7775","rate_for_amount":"77.7545"}},"status":"success"}Typical use cases include financial applications needing real-time currency conversion, e-commerce platforms displaying prices in multiple currencies, and travel apps providing currency exchange information for travelers. The API sources its data from National Central Banks and market data, ensuring a reliable and accurate representation of currency exchange rates.
Want to use Currency Converter API in production? Visit the developer docs for complete API reference.
5. International Currency API
The International Currency API simplifies cross-border transactions by offering real-time and accurate exchange rate calculations for seamless global currency conversions. This API is designed to meet the growing demand for reliable currency conversion solutions.
Key features of the International Currency API include:
- Get Conversion: Developers can specify two currencies and an amount to convert, allowing for easy currency exchange calculations.
{"success":true,"code":0,"timestamp":1690300800,"q":{"from":"USD","to":["CHF"],"amount":1},"result":{"CHF":0.86442}}Data accuracy is maintained through regular updates from trusted financial sources, ensuring that the API continuously retrieves the latest exchange rates. Typical use cases include e-commerce platforms needing real-time currency conversion for transactions and financial applications requiring accurate exchange rate calculations.
Need help implementing International Currency API? View the integration guide for step-by-step instructions.
6. Foreign Exchange API
The Foreign Exchange API allows developers to access foreign exchange data and services, integrating them into their applications. This API provides real-time or historical exchange rates, currency conversion capabilities, and other currency-related functionalities.
Key features of the Foreign Exchange API include:
- Get Conversion: Developers can specify the currencies they want to convert and the amount, with an optional parameter to retrieve information according to a specific date.
{"success":true,"result":{"date":"2023-05-04T19:48:02.114Z","from":{"currency":"EUR","amount":20},"to":{"currency":"USD","amount":22.148}}}Typical use cases include e-commerce platforms needing real-time currency conversion for transactions, financial reporting tools calculating accurate exchange rates, and currency trading platforms analyzing market trends. The API sources its data from reputable foreign exchange data providers and financial institutions, ensuring high accuracy and reliability.
Want to use Foreign Exchange API in production? Visit the developer docs for complete API reference.
7. Exchange Rates API
The Exchange Rates API provides real-time exchange rate data for the world's currencies. With a simple REST API, it updates every few minutes and is easy to use for currency conversion purposes.
Key features of the Exchange Rates API include:
- Latest: Developers can get the latest foreign exchange reference rates, with updates every minute.
{"code":"0","msg":"success","base":"USD","rates":{"USD":1,"AED":3.673,"ALL":100.2,...}}{"code":"0","msg":"success","convert_result":{"base":"USD","target":"GBP","rate":0.8127},"time_update":{"time_unix":1676054280,"time_utc":"2023-02-10T10:38:00Z","time_zone":"America\/Los_Angeles"}}{"code":"0","msg":"success","supported_codes":[{"code":"USD","name":"US Dollar"},{"code":"ARS","name":"Argentine Peso"},...]}Common use cases include e-commerce price conversions, financial management for international transactions, travel budgeting, and personal finance comparisons. The API sources its data from reliable financial institutions and continuously updates exchange rates to ensure accuracy.
Want to try Exchange Rates API? Check out the API documentation to get started.
8. The Unit Converter API
The Unit Converter API is a powerful tool that allows users to effortlessly convert between different units of measurement across a wide range of categories. This API is essential for developers creating applications that require unit conversions.
Key features of The Unit Converter API include:
- Get All Measurement: Developers can retrieve all available measures by executing a simple call.
{"area":["square kilometer","square meter","square mile",...]}{"from":"Square mile","to":"Square kilometer","input":3,"result":7.769964}{"from":"Kilometer","to":"Meter","input":1000,"result":1000000}Typical use cases include manufacturing for consistent measurements, renewable energy monitoring for tracking energy generation, and academic research for data analysis consistency. The API ensures that all conversion factors are current and reliable, allowing users to trust the results for both common and obscure measurements.
Want to try The Unit Converter API? Check out the API documentation to get started.
9. Metric Converter API
The Metric Converter API provides a simple and efficient method for managing unit conversions across various domains. This API is designed for developers who need a robust unit converter.
Key features of the Metric Converter API include:
- All Measurements: Developers can retrieve a list of different measurements available by executing a simple call.
{"measurements":["acceleration","angle","area",...]}["binary-degrees","clock-positions","compass-points",...]{"measure":"length","from":{"abbr":"m","measure":"length",...},"to":{"abbr":"km","measure":"length",...},"value":1.2,"result":"1.2 km"}[{"name":"acceleration","measurements":[{"abbr":"g-force","measure":"acceleration",...}]},...]Common use cases include applications that require consistent measurements, IoT applications for standardizing device metrics, and travel apps for distance conversions. The API ensures that all conversion factors are current and reliable, allowing users to trust the results for both common and obscure measurements.
Looking to optimize your Metric Converter API integration? Read our technical guides for implementation tips.
10. Global Currency API
The Global Currency API simplifies currency conversions by providing accurate exchange rates, making it easy for users to integrate into their applications. This API is designed for developers who need reliable currency conversion capabilities.
Key features of the Global Currency API include:
- Get All Currencies: Developers can retrieve a list of all available currencies by executing a simple call.
{"success":true,"result":{"AED":"United Arab Emirates Dirham","AFN":"Afghan Afghani",...}}{"success":true,"timestamp":1687894169866,"date":"2023-06-27","base":"USD","result":{"AED":3.673,"AFN":85.999996,...}}{"success":true,"request":{"from":"USD","to":"EUR","amount":200},"meta":{"timestamp":1690477118481,"rates":{"from":0.909322,"to":1.0997204511},"formated":{"from":"1 USD = 0.90932 EUR","to":"1 EUR = 1.09972 USD"}},"result":181.8644}Typical use cases include displaying product prices in local currencies on e-commerce sites, providing real-time exchange rates in financial apps, and converting travel expenses on booking platforms. The API sources its exchange rate data from reliable and authoritative financial institutions, ensuring that the information is accurate and reflects the latest market conditions.
Want to try Global Currency API? Check out the API documentation to get started.
Conclusion
In conclusion, the landscape of real-time currency conversion and measurement unit conversion APIs is rich with options. Each alternative discussed in this post offers unique features and capabilities that cater to different developer needs. The Currency Rate API remains a strong contender, but alternatives like the Forex Converter API, Measurement Unit Conversion API, and others provide robust solutions for various applications. Depending on your specific requirements—whether it's currency conversion, measurement unit conversion, or both—there's an API that can meet your needs effectively. Evaluate these options carefully to choose the best fit for your project.
