Currency Rate API is a fast and reliable RESTful service that delivers accurate exchange rates for 31 global currencies in JSON format. Designed for developers, startups, and established businesses alike, it offers a simple, efficient interface to access real-time and historical financial data — whether you're building internal tools, apps, or customer-facing platforms.

Currency Rate API is fully developed, maintained, and operated by our team with a focus on delivering a stable and developer-friendly data interface. The service is built to meet the needs of startups, small businesses, and enterprise applications that require dependable access to currency exchange data.

Currency Rate API collects exchange rate data from a diverse range of commercial data providers and global financial institutions, each operating at different frequencies. To ensure accuracy and reliability, our system uses a multi-level validation and fallback mechanism that ranks data sources by priority and verifies every forex rate before it enters our database. If a source fails to deliver valid data, the system automatically retrieves the rate from the next most reliable provider. This approach minimizes inaccuracies and enables us to deliver precision up to six decimal places.

Currency Rate API updates exchange rates in near real-time, typically within a 60-second market window.

Currency Rate API provides mid-market exchange rates based on the most reliable and widely available pricing data on the market. These rates can be used for various purposes, including building currency converters, financial calculators, invoicing tools, accounting software, and other applications requiring accurate currency data.

Currency Rate API supports over 31 world currencies . It provides both real-time and historical exchange rate data suitable for analytics, reporting, and integration into financial applications. For a complete overview, see the full list of supported currencies.

Historical exchange rate data for the previous day becomes available daily at 00:05 AM GMT (12:05 AM London time). For consistency in reverse conversions and comparisons, all rates are timestamped as of 23:59:59 GMT. The API returns all time-related data using standardized UTC timestamps.

Each time you call any endpoint—whether retrieving a specific time period, multiple currencies, or using an additional feature—it counts as a single API request.

Currency Rate API maintains a consistent uptime of 99.9%, based on a 12-month rolling average. The service is monitored 24/7 to ensure high availability, reliability, and uninterrupted access to currency exchange data.

Yes, you can request historical exchange rates for a specific date range using the timeframe endpoint. Please note that the maximum supported time range for a single request is 365 days.

Yes, you can. The API allows you to track exchange rate fluctuations for one or multiple currencies relative to a chosen source currency. You can also specify a custom timeframe to measure changes over a defined period.