{"id":166,"date":"2023-06-27T03:18:12","date_gmt":"2023-06-27T07:18:12","guid":{"rendered":"https:\/\/api.tiingo.com\/blog\/?p=166"},"modified":"2023-11-08T15:15:56","modified_gmt":"2023-11-08T20:15:56","slug":"scaling-investment-processes-through-a-stock-api","status":"publish","type":"post","link":"https:\/\/www.tiingo.com\/blog\/scaling-investment-processes-through-a-stock-api\/","title":{"rendered":"Need To Scale Your Investment Process? Try a Stock API"},"content":{"rendered":"
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\"Stock<\/figure>\n<\/div>\n\n\n

Accurate stock market data is crucial when it comes to making smart and timely investment decisions. Stock APIs give investors and analysts access to raw high-quality, real-time financial data that allows you scale your research by allowing programmatic downloading of data.<\/p>\n\n\n\n

Every investment decision relies on dozens \u2014 sometimes hundreds \u2014 of variables. A Stock API helps you scale requests programmatically, or in raw form, so you can make these decisions faster and account for many variables and factors.<\/p>\n\n\n\n

When you have access to clean, high-quality, real-time market data from multiple sources through an API, it simplifies the data science required to find an edge in markets.<\/p>\n\n\n\n

In this article, we\u2019ll explain how APIs work, how investors can access and use them, and the advantages of market data APIs for making smarter, more informed, and quicker investment decisions. <\/p>\n\n\n\n

What Is a Stock <\/strong>API<\/strong>?<\/strong><\/h2>\n\n\n\n

A stock API (application programming interface), also known as a financial markets API, is a type of an API with a financial focus. A general API is a software programming interface between one or more applications. APIs are designed to be a digital bridge with a gate at either end. APIs are a way to obtain the data directly, without a classic GUI (Graphic User Interface). In fact, APIs are often used to create GUIs. <\/p>\n\n\n\n

If you’re new to APIs, think of this way: When you look at your trading screen, separate the data from the GUI. What if you could take that same chart, and load in data from a different exchange or data provider? Everything about the User Experience would stay the same, the data could just be replaced. An API is that data layer. Many of Tiingo’s users today use a third-party GUI that integrates into our API.<\/p>\n\n\n\n

By avoiding a GUI, you can scale your filters and research faster. Rather than clicking and looking at data individually, you can write programs, or use the raw data in excel, in order to do broader and faster research.<\/p>\n\n\n\n

If you\u2019ve ever logged into an app with another account<\/a> (e.g., using Facebook, Google, Slack, etc.), then you\u2019ve used an API. Open Banking<\/a> is another example of APIs in action, except with higher levels of encryption, more security, and in a financial sector setting. <\/p>\n\n\n\n

Stock APIs work in the same way. With a financial API, you can access vast amounts of financial datasets in a format that\u2019s easier to read, consume, and analyze than trying to pull data separately from hundreds of different sources, especially programmatically. Stock APIs make current and historical stock market data more accessible for investors and analysts who need the highest-quality information possible to make actionable investment decisions. <\/p>\n\n\n\n

Historically, accessing financial data through APIs can be very expensive, with market leaders like Bloomberg charging premium prices to give investors, analysts, and financial firms a clean pipeline of market data. According to a respected Burton-Taylor International Consulting report<\/a>, the investors and other businesses that need this information spent $37.3 billion in 2022, which was an increase of 4.7% year-on-year. <\/p>\n\n\n\n

With more financial market data being generated every day, the importance of stock APIs are increasing. On a daily basis, Tiingo alone distributes 7 billion data points to our customers. <\/p>\n\n\n\n

How Do Stock APIs Work? <\/strong><\/h2>\n\n\n
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\"API<\/figure>\n<\/div>\n\n\n

Stock APIs are technology solutions that connect financial data from one or more sources to financial analysis tools, dashboards, and other software. An API, like Tiingo, is a web interface that makes data available in raw form. This is why some charting software will “plug” into Tiingo. It connects to our API. <\/p>\n\n\n\n

From our earlier example above, most market data analysis software, such as brokerage platforms, pulls financial data from one or more APIs to ensure high volumes of real-time information from multiple sources. To connect to an API, there is often a layer on both the client application side, and API side, to facilitate this communication. Usually a wrapper, or adapter is written to help play nicely with both sides.<\/p>\n\n\n\n

Anyone using an API needs an API \u201ckey\u201d to open those gates. An API Key is a way to authenticate to the API server. Once you\u2019ve got access, one piece of software will interface with another, or you can access the information sources that will come flooding through the gates. <\/p>\n\n\n\n

Stock APIs can also offer different product and technical features. For example, one API might only pull data from U.S. stock exchanges, like NYSE or NASDAQ for the last 20 years. A different API could pull in data from worldwide indices, bonds, commodities markets, exchange-traded funds (ETFs), news sources, forex, and cryptocurrency exchanges. <\/p>\n\n\n\n

It depends on what and how much market data you need when picking the best API to use. Your choices are also influenced by how you plan to access this market data. Before signing up for an API, make sure you know whether: <\/p>\n\n\n\n