Documentation Index Fetch the complete documentation index at: https://docs.exchangeratesapi.com.au/llms.txt
Use this file to discover all available pages before exploring further.
Overview
The latest currency endpoint returns the current exchange rate for a single specified currency from the Reserve Bank of Australia. This is ideal when you only need the rate for one currency and want to reduce response size and processing time.
This endpoint requires authentication. Get your API key to start making requests.
Authentication
Bearer token with your API key: Bearer your_api_key_here
Path Parameters
Three-letter currency code (case-insensitive). Must be one of the supported currencies . Examples: USD, EUR, GBP, JPY, NZD
Request
curl https://api.exchangeratesapi.com.au/latest/USD \
-H "Authorization: Bearer your_api_key_here"
Response
{
"success" : true ,
"timestamp" : 1725148800 ,
"base" : "AUD" ,
"date" : "2025-09-01" ,
"rates" : {
"USD" : 0.643512
}
}
Response Fields
Indicates if the request was successful
Unix timestamp for the rate date (midnight UTC)
Base currency (always “AUD”)
Date of the exchange rate in YYYY-MM-DD format
Object containing the requested currency code and its exchange rate Exchange rate (AUD per unit of foreign currency) with precision varying by currency (up to 6 decimal places for most, whole numbers for IDR/VND)
Cache-Control: no-store - Response should not be cached
X-Request-Id: <uuid> - Unique request identifier for debugging
X-Data-Stale: true - Present only when serving fallback data
X-RBA-Source-Date: YYYY-MM-DD - Present only when serving fallback data
Error Responses
400 Bad Request - Invalid Currency
401 Unauthorized - Invalid API Key
503 Service Unavailable - Rates Unavailable
{
"success" : false ,
"error" : {
"code" : 400 ,
"type" : "bad_request" ,
"info" : "Unsupported currency 'XYZ'"
}
}
Rate Limits
This endpoint is subject to your plan’s monthly request limits:
Plan Monthly Requests Historical Access Free 300 No historical data Starter 5,000 Last 30 days Professional 50,000 Full history (2018+) Business 500,000 Full history (2018+)
Data Freshness
Rates are updated daily at 4:00 PM AEST by the Reserve Bank of Australia
Our system fetches new data within 30 minutes of RBA publication
If fresh data is unavailable, we serve the most recent available rates with staleness headers
Use Cases
Single Currency Monitoring : Track one specific currency without fetching all rates
Reduced Bandwidth : Minimize response size for mobile applications
Focused Analytics : Build dashboards for specific currency pairs
Real-time Updates : Monitor critical currency rates with lower latency
API key authentication using Bearer token
Currency code
Three-letter currency code
Available options:
AUD,
USD,
EUR,
GBP,
JPY,
CNY,
KRW,
INR,
SGD,
NZD,
THB,
MYR,
IDR,
VND,
HKD,
PHP,
CAD,
CHF,
TWD,
TWI,
SDR
Latest exchange rate for currency
Unix timestamp of the rate date
Date of the rates (YYYY-MM-DD)
Pattern: ^\d{4}-\d{2}-\d{2}$
Object containing currency codes as keys and exchange rates as values