Simple Steps to Get Invesco DB Precious Metals Fund (DBP) Historical Prices using this API

Introduction

Metals-API. This powerful API provides developers with the tools necessary to access real-time and historical prices for various metals, including the Invesco DB Precious Metals Fund (DBP). In this blog post, we will explore how to retrieve historical prices using the Metals-API, focusing on the symbol for gold, XAU, and delving into the API's capabilities, features, and practical applications.

Understanding Neodymium (ND) and Its Relevance

Metals-API Overview

Metals-API is a comprehensive JSON API that provides access to real-time and historical prices for a wide range of metals. It is designed to empower developers to build next-generation applications that require accurate and timely metals data. The API supports various endpoints that cater to different needs, from retrieving the latest rates to accessing historical data dating back to 2019.

Key Features and Endpoints

Latest Rates Endpoint

{
    "success": true,
    "timestamp": 1749798016,
    "base": "USD",
    "date": "2025-06-13",
    "rates": {
        "XAU": 0.000482,
        "XAG": 0.03815,
        "XPT": 0.000912,
        "XPD": 0.000744
    },
    "unit": "per troy ounce"
}

Historical Rates Endpoint

{
    "success": true,
    "timestamp": 1749711616,
    "base": "USD",
    "date": "2025-06-12",
    "rates": {
        "XAU": 0.000485,
        "XAG": 0.03825,
        "XPT": 0.000915,
        "XPD": 0.000748
    },
    "unit": "per troy ounce"
}

Time-Series Endpoint

{
    "success": true,
    "timeseries": true,
    "start_date": "2025-06-06",
    "end_date": "2025-06-13",
    "base": "USD",
    "rates": {
        "2025-06-06": {
            "XAU": 0.000485,
            "XAG": 0.03825,
            "XPT": 0.000915
        },
        "2025-06-08": {
            "XAU": 0.000483,
            "XAG": 0.0382,
            "XPT": 0.000913
        },
        "2025-06-13": {
            "XAU": 0.000482,
            "XAG": 0.03815,
            "XPT": 0.000912
        }
    },
    "unit": "per troy ounce"
}

Convert Endpoint

{
    "success": true,
    "query": {
        "from": "USD",
        "to": "XAU",
        "amount": 1000
    },
    "info": {
        "timestamp": 1749798016,
        "rate": 0.000482
    },
    "result": 0.482,
    "unit": "troy ounces"
}

Fluctuation Endpoint

{
    "success": true,
    "fluctuation": true,
    "start_date": "2025-06-06",
    "end_date": "2025-06-13",
    "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

{
    "success": true,
    "timestamp": 1749798016,
    "base": "USD",
    "date": "2025-06-13",
    "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

{
    "success": true,
    "timestamp": 1749798016,
    "base": "USD",
    "date": "2025-06-13",
    "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"
}

Authentication and API Key

Performance Optimization and Rate Limiting

Common Pitfalls and Troubleshooting

• Incorrect API key usage, leading to authentication errors.
• Exceeding rate limits, resulting in temporary access restrictions.
• Improper handling of API responses, which can lead to data inconsistencies.

Metals-API Documentation for detailed guidance on error handling and recovery strategies.

Conclusion

Metals-API Supported Symbols page. By integrating the Metals-API into your applications, you can stay ahead of the curve in the ever-evolving world of precious metals trading.