The Easiest Way to Get Bismuth (BMTH) Historical Rates via Online APIs

In the ever-evolving landscape of metal markets, accessing real-time and historical data is crucial for developers and analysts alike. One of the most effective tools available for this purpose is the Metals-API. This powerful API provides a comprehensive suite of endpoints that allow users to retrieve historical prices, real-time rates, and various other metal-related data. In this blog post, we will explore how to get historical prices for Bismuth (BMTH) using the Metals-API, including example endpoints, parameters, and data formats.

Understanding Metals-API

The Metals-API is designed to facilitate the digital transformation of metal markets by providing developers with the tools needed to access and analyze metal prices in real-time. With a focus on technological innovation and advancement, the API empowers users to build next-generation applications that leverage data analytics and insights. The integration of smart technology into the metals market is not just a trend; it is a necessity for staying competitive in a rapidly changing environment.

API Capabilities

The Metals-API offers a wide range of functionalities that cater to various needs in the metal trading and analysis sectors. From retrieving the latest rates to accessing historical data, the API is equipped to handle diverse requests. 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 or more frequently.
Historical Rates Endpoint: Access historical rates for most currencies dating back to 2019, allowing for in-depth analysis of price trends.
Bid and Ask Endpoint: Retrieve real-time bid and ask prices, which are essential for traders looking to make informed decisions.
Convert Endpoint: Convert any amount from one metal to another or to/from USD, facilitating seamless transactions.
Time-Series Endpoint: Query daily historical rates between two dates, providing a comprehensive view of price movements over time.
Fluctuation Endpoint: Track how currencies fluctuate on a day-to-day basis, offering insights into market volatility.
Open/High/Low/Close (OHLC) Price Endpoint: Get detailed OHLC data for specific time periods, which is crucial for technical analysis.
Historical LME Endpoint: Access historical rates for LME symbols dating back to 2008, useful for long-term market analysis.
News Endpoint: Retrieve the latest news articles related to various metals, keeping you informed about market developments.

Getting Started with Metals-API

To begin using the Metals-API, you will need to sign up for an account and obtain your unique API key. This key is essential for authenticating your requests and ensuring secure access to the API's features. Once you have your API key, you can start making requests to the various endpoints.

Example Endpoints and Responses

Let’s delve into some practical examples of how to use the Metals-API to retrieve historical prices for Bismuth (BMTH). Below are examples of different endpoints, their parameters, and the expected JSON responses.

Latest Rates Endpoint

To get the latest exchange rates for Bismuth, you can use the following endpoint:

GET https://metals-api.com/api/latest?access_key=YOUR_API_KEY&base=USD&symbols=BMTH

Example Response:

{
    "success": true,
    "timestamp": 1761285704,
    "base": "USD",
    "date": "2025-10-24",
    "rates": {
        "BMTH": 0.000482
    },
    "unit": "per troy ounce"
}

Historical Rates Endpoint

To access historical rates for Bismuth, you can use the following endpoint:

GET https://metals-api.com/api/historical?access_key=YOUR_API_KEY&date=2025-10-23&symbols=BMTH

Example Response:

{
    "success": true,
    "timestamp": 1761199304,
    "base": "USD",
    "date": "2025-10-23",
    "rates": {
        "BMTH": 0.000485
    },
    "unit": "per troy ounce"
}

Time-Series Endpoint

To get exchange rates for Bismuth over a specific time period, use the time-series endpoint:

GET https://metals-api.com/api/timeseries?access_key=YOUR_API_KEY&start_date=2025-10-17&end_date=2025-10-24&symbols=BMTH

Example Response:

{
    "success": true,
    "timeseries": true,
    "start_date": "2025-10-17",
    "end_date": "2025-10-24",
    "base": "USD",
    "rates": {
        "2025-10-17": {
            "BMTH": 0.000485
        },
        "2025-10-19": {
            "BMTH": 0.000483
        },
        "2025-10-24": {
            "BMTH": 0.000482
        }
    },
    "unit": "per troy ounce"
}

Convert Endpoint

To convert an amount of Bismuth to another currency, you can use the convert endpoint:

GET https://metals-api.com/api/convert?access_key=YOUR_API_KEY&from=USD&to=BMTH&amount=1000

Example Response:

{
    "success": true,
    "query": {
        "from": "USD",
        "to": "BMTH",
        "amount": 1000
    },
    "info": {
        "timestamp": 1761285704,
        "rate": 0.000482
    },
    "result": 0.482,
    "unit": "troy ounces"
}

Fluctuation Endpoint

To track rate fluctuations for Bismuth between two dates, use the fluctuation endpoint:

GET https://metals-api.com/api/fluctuation?access_key=YOUR_API_KEY&start_date=2025-10-17&end_date=2025-10-24&symbols=BMTH

Example Response:

{
    "success": true,
    "fluctuation": true,
    "start_date": "2025-10-17",
    "end_date": "2025-10-24",
    "base": "USD",
    "rates": {
        "BMTH": {
            "start_rate": 0.000485,
            "end_rate": 0.000482,
            "change": -3.0e-6,
            "change_pct": -0.62
        }
    },
    "unit": "per troy ounce"
}

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

To get OHLC data for Bismuth, you can use the following endpoint:

GET https://metals-api.com/api/open-high-low-close?access_key=YOUR_API_KEY&date=2025-10-24&symbols=BMTH

Example Response:

{
    "success": true,
    "timestamp": 1761285704,
    "base": "USD",
    "date": "2025-10-24",
    "rates": {
        "BMTH": {
            "open": 0.000485,
            "high": 0.000487,
            "low": 0.000481,
            "close": 0.000482
        }
    },
    "unit": "per troy ounce"
}

Bid/Ask Endpoint

To get current bid and ask prices for Bismuth, use the bid/ask endpoint:

GET https://metals-api.com/api/bid-ask?access_key=YOUR_API_KEY&symbols=BMTH

Example Response:

{
    "success": true,
    "timestamp": 1761285704,
    "base": "USD",
    "date": "2025-10-24",
    "rates": {
        "BMTH": {
            "bid": 0.000481,
            "ask": 0.000483,
            "spread": 2.0e-6
        }
    },
    "unit": "per troy ounce"
}

Common Use Cases

The versatility of the Metals-API allows for a variety of applications. Here are some common use cases:

Market Analysis: Traders can analyze historical price trends to make informed decisions about buying or selling metals.
Portfolio Management: Investors can track the performance of their metal investments over time, adjusting their strategies based on real-time data.
Financial Applications: Developers can integrate the API into financial applications to provide users with up-to-date metal prices and conversion capabilities.
Research and Development: Researchers can utilize historical data for academic studies related to metal markets and economic trends.

Best Practices for Using Metals-API

When working with the Metals-API, consider the following best practices to optimize your experience:

Rate Limiting: Be aware of your subscription plan's rate limits to avoid exceeding your quota. Implement caching strategies to minimize unnecessary API calls.
Data Validation: Always validate the data returned by the API to ensure accuracy and reliability in your applications.
Error Handling: Implement robust error handling to manage API response errors gracefully, providing fallback options for users.
Security: Keep your API key secure and avoid exposing it in client-side code. Use server-side requests to protect sensitive information.

Conclusion

Accessing historical rates for Bismuth (BMTH) via the Metals-API is a straightforward process that opens up numerous opportunities for developers and analysts in the metal markets. By leveraging the various endpoints offered by the API, users can gain valuable insights into price trends, make informed trading decisions, and build innovative applications that harness the power of real-time data.

For more detailed information, be sure to check out the Metals-API Documentation and explore the Metals-API Supported Symbols. The future of metal trading is here, and with the right tools, you can stay ahead of the curve.

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The Easiest Way to Get Bismuth (BMTH) Historical Rates via Online APIs