Collect Mauritanian Ouguiya (MRO) Historical Prices using this API

Introduction

In the ever-evolving landscape of financial markets, the ability to collect and analyze historical prices is crucial for developers and analysts alike. For those interested in the Mauritanian Ouguiya (MRO), leveraging the Metals-API can provide a robust solution for accessing historical price data. This blog post will delve into the capabilities of the Metals-API, focusing on how it can be utilized to gather historical prices for the Mauritanian Ouguiya and other metals, while also exploring the innovative features that make it a valuable tool for developers.

Understanding the Metals-API

The Metals-API is a powerful JSON API that provides real-time and historical data on metal prices and currency conversion. With its extensive range of endpoints, developers can access a wealth of information, enabling them to build applications that require accurate and timely data. The API supports a variety of metals, including gold, silver, platinum, and palladium, and allows users to convert between different currencies, including the Mauritanian Ouguiya.

About Nickel (NI)

Nickel is one of the key metals traded in the global market, and its price dynamics can significantly impact various industries, from manufacturing to technology. As the world moves towards digital transformation, the integration of smart technologies and data analytics in metal markets is becoming increasingly important. The Metals-API empowers developers to harness real-time data analytics, enabling them to gain insights into market trends and make informed decisions.

Technological advancements in the field of data collection and analysis have transformed how traders and developers interact with metal markets. By utilizing the Metals-API, developers can create applications that not only track current prices but also analyze historical trends, providing a comprehensive view of market behavior. This capability is essential for predicting future price movements and understanding the factors that influence metal prices.

API Features and Endpoints

The Metals-API offers a variety of endpoints that cater to different data needs. Each endpoint is designed to provide specific functionalities, allowing developers to tailor their applications according to their requirements. Below, we explore some of the key features and endpoints available through the Metals-API.

Latest Rates Endpoint

The Latest Rates endpoint is a fundamental feature of the Metals-API, providing real-time exchange rate data for various metals. Depending on your subscription plan, this endpoint can return data updated every 60 minutes, every 10 minutes, or even more frequently. This feature is particularly useful for developers who need to display current metal prices in their applications.

{
"success": true,
"timestamp": 1779408891,
"base": "USD",
"date": "2026-05-22",
"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

For developers looking to analyze past price movements, the Historical Rates endpoint is invaluable. This endpoint allows users to access historical rates for most currencies dating back to 2019. By appending a specific date in the format YYYY-MM-DD, developers can retrieve historical data for analysis and reporting.

{
"success": true,
"timestamp": 1779322491,
"base": "USD",
"date": "2026-05-21",
"rates": {
"XAU": 0.000485,
"XAG": 0.03825,
"XPT": 0.000915,
"XPD": 0.000748
},
"unit": "per troy ounce"
}

Bid And Ask Endpoint

The Bid and Ask endpoint is a powerful feature that enables developers to retrieve real-time bid and ask prices for various metals. This information is crucial for traders who need to make informed decisions based on current market conditions. Depending on your subscription plan, this endpoint can provide detailed insights into the current market spread.

{
"success": true,
"timestamp": 1779408891,
"base": "USD",
"date": "2026-05-22",
"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"
}

Convert Endpoint

The Convert endpoint allows developers to convert any amount from one currency to another, including conversions to and from USD. This feature is particularly useful for applications that require currency conversion functionality, enabling users to easily switch between different currencies based on current exchange rates.

{
"success": true,
"query": {
"from": "USD",
"to": "XAU",
"amount": 1000
},
"info": {
"timestamp": 1779408891,
"rate": 0.000482
},
"result": 0.482,
"unit": "troy ounces"
}

Time-Series Endpoint

The Time-Series endpoint allows developers to query the API for daily historical rates between two dates of their choice. This feature is essential for analyzing trends over specific periods, enabling developers to visualize price movements and make data-driven decisions.

{
"success": true,
"timeseries": true,
"start_date": "2026-05-15",
"end_date": "2026-05-22",
"base": "USD",
"rates": {
"2026-05-15": {
"XAU": 0.000485,
"XAG": 0.03825,
"XPT": 0.000915
},
"2026-05-17": {
"XAU": 0.000483,
"XAG": 0.0382,
"XPT": 0.000913
},
"2026-05-22": {
"XAU": 0.000482,
"XAG": 0.03815,
"XPT": 0.000912
}
},
"unit": "per troy ounce"
}

Fluctuation Endpoint

The Fluctuation endpoint provides information about how currencies fluctuate on a day-to-day basis. This feature is particularly useful for developers looking to track volatility and make informed trading decisions based on historical fluctuations.

{
"success": true,
"fluctuation": true,
"start_date": "2026-05-15",
"end_date": "2026-05-22",
"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"
}

Open/High/Low/Close (OHLC) Price Endpoint

The OHLC Price endpoint provides detailed information about the open, high, low, and close prices for a specific time period. This data is essential for traders who rely on technical analysis to make informed decisions.

{
"success": true,
"timestamp": 1779408891,
"base": "USD",
"date": "2026-05-22",
"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"
}

Historical LME Endpoint

The Historical LME endpoint provides access to historical rates for LME symbols dating back to 2008. This endpoint is particularly useful for developers interested in analyzing long-term trends in metal prices.

{
"success": true,
"timestamp": 1779322491,
"base": "USD",
"date": "2026-05-21",
"rates": {
"XCU": 0.294118,
"XAL": 0.434783
},
"unit": "per troy ounce"
}

Authentication and API Key

To access the Metals-API, developers must obtain an API key, which is a unique identifier passed into the API base URL's access_key parameter. This key is essential for authenticating requests and ensuring secure access to the API's features. Developers should keep their API keys confidential and avoid exposing them in public repositories or client-side code.

Performance Considerations and Rate Limiting

When using the Metals-API, developers should be aware of rate limits associated with their subscription plans. Rate limiting helps manage the load on the API and ensures fair usage among all users. Developers should implement strategies to optimize their API calls, such as caching responses and minimizing unnecessary requests. This approach not only enhances performance but also reduces the risk of hitting rate limits.

Common Pitfalls and Troubleshooting

While working with the Metals-API, developers may encounter common issues such as incorrect API key usage, invalid parameters, or unexpected response formats. To troubleshoot these issues, developers should refer to the Metals-API Documentation, which provides detailed information on error codes and response formats. Additionally, implementing robust error handling in applications can help manage unexpected scenarios gracefully.

Conclusion

In conclusion, the Metals-API offers a comprehensive solution for developers looking to collect historical prices for the Mauritanian Ouguiya and other metals. With its wide range of endpoints, real-time data capabilities, and robust features, the API empowers developers to build innovative applications that leverage accurate and timely metal price information. By understanding the various endpoints and their functionalities, developers can create applications that meet the needs of traders and analysts alike.

For further exploration, developers can access the complete list of supported symbols through the Metals-API Supported Symbols page. By integrating the Metals-API into their projects, developers can unlock the potential of real-time metals data and enhance their applications with valuable insights.