Access Historical Data for Angolan Kwanza (AOA) using this API

The Angolan Kwanza (AOA) is a currency that has seen significant fluctuations over the years, making access to historical data crucial for developers and analysts alike. By leveraging the Metals-API, you can obtain real-time and historical exchange rates for AOA and other currencies. This blog post will delve into the capabilities of the Metals-API, focusing on how to access historical prices and the transformative potential of real-time metals data.

About Angolan Kwanza (AOA)

The Angolan Kwanza is the official currency of Angola, a country rich in natural resources, particularly metals. As the global market evolves, the integration of digital transformation in metal markets has become increasingly important. The rise of technological innovation and advancement has paved the way for enhanced data analytics and insights, allowing for smarter technology integration in financial applications. This evolution is critical for understanding future trends and possibilities in currency exchange, especially for the Angolan Kwanza.

API Description

The Metals-API is a powerful tool that provides developers with access to real-time and historical data on metals and currencies. With its robust capabilities, the API empowers developers to build next-generation applications that can analyze market trends, track fluctuations, and convert currencies seamlessly. The API's innovative features include the ability to retrieve real-time exchange rates, historical data dating back to 2019, and various endpoints designed for specific use cases.

For detailed information on how to get started, refer to the Metals-API Documentation, which provides comprehensive guidance on utilizing the API effectively.

Key Features and Endpoints

The Metals-API offers a variety of endpoints that cater to different needs. Here are some of the key features:

Latest Rates Endpoint: Depending on your subscription plan, this endpoint returns real-time exchange rate data updated every 60 minutes, every 10 minutes, or even more frequently. This feature is essential for applications that require up-to-the-minute accuracy in currency conversion.
Historical Rates Endpoint: Access historical rates for most currencies dating back to 2019. By appending a specific date (YYYY-MM-DD) to the endpoint, you can retrieve the exchange rate for that date, making it invaluable for trend analysis and financial forecasting.
Bid And Ask Endpoint: This powerful feature allows you to retrieve real-time Bid and Ask prices for various metals. Depending on your subscription plan, you can access critical market data that helps in making informed trading decisions.
Convert Endpoint: The Metals-API includes a dedicated currency conversion endpoint, enabling you to convert any amount from one currency to another. This feature is particularly useful for applications that require dynamic currency conversion based on real-time data.
Time-Series Endpoint: This endpoint allows you to query the API for daily historical rates between two dates of your choice. It is ideal for analyzing trends over time and understanding the historical performance of the Angolan Kwanza against other currencies.
Fluctuation Endpoint: With this endpoint, you can track how currencies fluctuate on a day-to-day basis. By specifying a date range, you can gain insights into the volatility of the AOA and other currencies.
Carat Endpoint: This feature provides information about Gold rates by Carat. By appending a base currency, you can retrieve detailed data on gold pricing, which is essential for investors and traders in the precious metals market.
Lowest/Highest Price Endpoint: This endpoint allows you to query the API to get the lowest and highest prices for a specified date, providing valuable insights into market trends.
Open/High/Low/Close (OHLC) Price Endpoint: This feature enables you to retrieve the open, high, low, and close prices for a specific date, which is crucial for technical analysis and trading strategies.
Historical LME Endpoint: Access historical rates for LME symbols dating back to 2008. This endpoint is particularly useful for those involved in the trading of metals on the London Metal Exchange.
API Key: Your API Key is essential for accessing the API. It is passed into the API base URL's access_key parameter, ensuring secure access to the data.
API Response: The Metals-API delivers exchange rates relative to USD by default. All data is returned in a structured JSON format, making it easy to integrate into applications.
Available Endpoints: The Metals-API comes with 14 endpoints, each providing unique functionality tailored to different use cases.
Supported Symbols Endpoint: This constantly updated endpoint returns all available currencies, allowing you to stay informed about the latest symbols supported by the API.

List of Symbols

The API provides access to a comprehensive range of metal symbols. For a complete list of all supported symbols and their specifications, refer to the Metals-API Supported Symbols page. This resource is invaluable for developers looking to integrate specific metals and currencies into their applications.

API Endpoint Examples and Responses

Latest Rates Endpoint

Get real-time exchange rates for all available metals.

{
"success": true,
"timestamp": 1785197798,
"base": "USD",
"date": "2026-07-28",
"rates": {
"XAU": 0.000482,
"XAG": 0.03815,
"XPT": 0.000912,
"XPD": 0.000744,
"XCU": 0.294118,
"XAL": 0.434783,
"XNI": 0.142857,
"XZN": 0.344828
},
"unit": "per troy ounce"
}

Historical Rates Endpoint

Access historical exchange rates for any date since 1999.

{
"success": true,
"timestamp": 1785111398,
"base": "USD",
"date": "2026-07-27",
"rates": {
"XAU": 0.000485,
"XAG": 0.03825,
"XPT": 0.000915,
"XPD": 0.000748
},
"unit": "per troy ounce"
}

Time-series Endpoint

Get exchange rates for a specific time period.

{
"success": true,
"timeseries": true,
"start_date": "2026-07-21",
"end_date": "2026-07-28",
"base": "USD",
"rates": {
"2026-07-21": {
"XAU": 0.000485,
"XAG": 0.03825,
"XPT": 0.000915
},
"2026-07-23": {
"XAU": 0.000483,
"XAG": 0.0382,
"XPT": 0.000913
},
"2026-07-28": {
"XAU": 0.000482,
"XAG": 0.03815,
"XPT": 0.000912
}
},
"unit": "per troy ounce"
}

Convert Endpoint

Convert any amount from one metal to another or to/from USD.

{
"success": true,
"query": {
"from": "USD",
"to": "XAU",
"amount": 1000
},
"info": {
"timestamp": 1785197798,
"rate": 0.000482
},
"result": 0.482,
"unit": "troy ounces"
}

Fluctuation Endpoint

Track rate fluctuations between two dates.

{
"success": true,
"fluctuation": true,
"start_date": "2026-07-21",
"end_date": "2026-07-28",
"base": "USD",
"rates": {
"XAU": {
"start_rate": 0.000485,
"end_rate": 0.000482,
"change": -3.0e-6,
"change_pct": -0.62
},
"XAG": {
"start_rate": 0.03825,
"end_rate": 0.03815,
"change": -0.0001,
"change_pct": -0.26
},
"XPT": {
"start_rate": 0.000915,
"end_rate": 0.000912,
"change": -3.0e-6,
"change_pct": -0.33
}
},
"unit": "per troy ounce"
}

OHLC (Open/High/Low/Close) Endpoint

Get OHLC data for a specific time period.

{
"success": true,
"timestamp": 1785197798,
"base": "USD",
"date": "2026-07-28",
"rates": {
"XAU": {
"open": 0.000485,
"high": 0.000487,
"low": 0.000481,
"close": 0.000482
},
"XAG": {
"open": 0.03825,
"high": 0.0383,
"low": 0.0381,
"close": 0.03815
},
"XPT": {
"open": 0.000915,
"high": 0.000918,
"low": 0.00091,
"close": 0.000912
}
},
"unit": "per troy ounce"
}

Bid/Ask Endpoint

Get current bid and ask prices for metals.

{
"success": true,
"timestamp": 1785197798,
"base": "USD",
"date": "2026-07-28",
"rates": {
"XAU": {
"bid": 0.000481,
"ask": 0.000483,
"spread": 2.0e-6
},
"XAG": {
"bid": 0.0381,
"ask": 0.0382,
"spread": 0.0001
},
"XPT": {
"bid": 0.000911,
"ask": 0.000913,
"spread": 2.0e-6
}
},
"unit": "per troy ounce"
}

Conclusion

Accessing historical data for the Angolan Kwanza (AOA) is essential for developers and analysts looking to understand market trends and make informed decisions. The Metals-API provides a comprehensive suite of endpoints that enable users to retrieve real-time and historical data, track fluctuations, and convert currencies seamlessly. By utilizing the API's features, developers can build innovative applications that leverage data analytics and insights to drive smarter financial decisions.

For further exploration, consider reviewing the Metals-API Documentation for detailed guidance on implementation and usage. Additionally, the Metals-API Supported Symbols page offers a comprehensive list of available currencies and metals, ensuring you have all the necessary tools to succeed in your development projects.

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Access Historical Data for Angolan Kwanza (AOA) using this API