How to make strategy to write a trading api ?

<p id="isPasted">&nbsp;Here's your step-by-step guide to rocking the trading world with a stock trading API:</p><p>Step 1: Choose Your API Provider</p><ul style="box-sizing: border-box; margin-top: 0px; margin-bottom: 10px; padding-left: 40px; overflow: hidden; color: rgb(61, 77, 89); font-family: objektiv-mk1, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 500; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><li style="box-sizing: border-box; margin-top: 10px; margin-bottom: 10px; font-size: 15px; line-height: 33px;">First things first, you need to pick a reliable stock trading API provider. Look for one that offers real-time data, low-latency execution, and comprehensive documentation.</li></ul><p>Step 2: Get Access</p><ul style="box-sizing: border-box; margin-top: 0px; margin-bottom: 10px; padding-left: 40px; overflow: hidden; color: rgb(61, 77, 89); font-family: objektiv-mk1, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 500; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><li style="box-sizing: border-box; margin-top: 10px; margin-bottom: 10px; font-size: 15px; line-height: 33px;">Once you've selected your provider,&nbsp;sign up for an API key. This key is your golden ticket to access their API, so guard it like a treasure map.</li></ul><p>Step 3: Familiarize Yourself with the Documentation</p><ul style="box-sizing: border-box; margin-top: 0px; margin-bottom: 10px; padding-left: 40px; overflow: hidden; color: rgb(61, 77, 89); font-family: objektiv-mk1, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 500; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><li style="box-sizing: border-box; margin-top: 10px; margin-bottom: 10px; font-size: 15px; line-height: 33px;">Read the&nbsp;API documentation&nbsp;thoroughly. It's like the user manual for your trading superpowers. It'll tell you how to make requests, what data you can get, and how to interpret the responses.</li></ul><p>Step 4: Build Your Trading App or Algorithm</p><ul style="box-sizing: border-box; margin-top: 0px; margin-bottom: 10px; padding-left: 40px; overflow: hidden; color: rgb(61, 77, 89); font-family: objektiv-mk1, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 500; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><li style="box-sizing: border-box; margin-top: 10px; margin-bottom: 10px; font-size: 15px; line-height: 33px;">If you're a developer, start coding! Create your trading app, algorithm, or platform using the API. If you're not a coder, no worries—there are pre-built trading apps that you can use too.</li></ul><p>Step 5: Test, Test, Test</p><ul style="box-sizing: border-box; margin-top: 0px; margin-bottom: 10px; padding-left: 40px; overflow: hidden; color: rgb(61, 77, 89); font-family: objektiv-mk1, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 500; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><li style="box-sizing: border-box; margin-top: 10px; margin-bottom: 10px; font-size: 15px; line-height: 33px;">Before going live with real money, test your setup in a sandbox or paper trading environment. This helps you iron out any kinks in your strategy.</li></ul><p>Step 6: Go Live</p><ul style="box-sizing: border-box; margin-top: 0px; margin-bottom: 10px; padding-left: 40px; overflow: hidden; color: rgb(61, 77, 89); font-family: objektiv-mk1, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 500; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><li style="box-sizing: border-box; margin-top: 10px; margin-bottom: 10px; font-size: 15px; line-height: 33px;">Once you're confident in your setup, it's time to go live. Start executing trades, monitoring your portfolio, and making data-driven decisions like a boss.</li></ul><p>Step 7: Stay Informed</p><ul style="box-sizing: border-box; margin-top: 0px; margin-bottom: 10px; padding-left: 40px; overflow: hidden; color: rgb(61, 77, 89); font-family: objektiv-mk1, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 500; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><li style="box-sizing: border-box; margin-top: 10px; margin-bottom: 10px; font-size: 15px; line-height: 33px;">The stock market is a dynamic beast. Keep a close eye on market news, trends, and changes in the API landscape to stay ahead of the curve.</li></ul>