Understanding data is a crucial aspect of the online shopping business, as platforms need to improve on repetitive tasks such as customer details, order baskets, payments, shipments, and tracking information. Processing large amounts of data can be overwhelming, resulting in chaos if there are delays and glitches in handling data. E-commerce platforms require APIs to manage this data effectively. After reviewing various APIs, the top 10 APIs worth mentioning include Telize API, Shopify API, Fixer Currency API, Stripe API, Algolia API, Axesso Walmart Data Service API, SendGrid API, Telesign API, OneBox API, and Whois API. These APIs cater to different needs, such as showing user location, making current applications for sale or use in Shopify, foreign exchange, processing payments, product search, checking Walmart product data, sending bulk emails, verification of user identity, paperless billing receipts, and domain investigations. The Telize API is best for showing the location of users, while the Shopify API is best for creating current applications for sale or use in Shopify. The Fixer Currency API is best for foreign exchange, and the Stripe API is best for processing payments. Similarly, the Algolia API is best for product search, Axesso Walmart Data Service API is best for checking Walmart product data, SendGrid API is best for sending bulk emails, Telesign API is best for verification of user identity, OneBox API is best for paperless billing receipts, and Whois API is best for domain investigations. These APIs are popular due to their simplicity, ease of use, and reliable data. They offer a range of pricing plans, from free tiers to paid plans with discounts for annual payments. Overall, these top 10 APIs provide essential tools for e-commerce businesses to manage their data effectively and improve the shopping experience for customers.