Top E-commerce Payment APIs in 2025

E-Commerce Product Recognition API

E-Commerce Product Recognition API is designed to recognize products in images, making it an invaluable tool for e-commerce platforms that rely heavily on visual content. This API can identify any product contained in a picture, providing a list of potential matches along with confidence scores.

Key Features and Capabilities

Recognize Product. By passing an image URL or a Base64 image, developers can receive a comprehensive list of recognized products along with their confidence scores. The higher the score, the greater the confidence in the match.

{"job_id":"d4de5672-90e9-4f49-87fa-d6ba08abf05d","output_url":"https://example.com/processed_image.jpg","results":[{"id":194,"score":"0.885544","tag":"lipstick"},{"id":245,"score":"0.0755432","tag":"makeup kit"}]}

job_id serves as a unique identifier for the request, while the output_url provides a link to the processed image. The results array contains recognized products, where each entry includes an id, score, and tag. Developers can utilize this data to enhance product listings, improve search functionalities, and optimize inventory management.

Common Use Cases

• Organize products by recognizing what is in images.
• Analyze sales trends based on visual data, such as identifying which product categories are most prevalent in images.
• Enhance user experience by providing visual search capabilities.

E-Commerce Category Recommendation API

E-Commerce Category Recommendation API is another powerful tool that recommends categories related to any text string provided. This API is particularly useful for cross-selling, allowing businesses to suggest additional products based on user searches.

Key Features and Capabilities

Get Recommendations. By inputting a text string, developers can receive a list of related categories, enhancing the shopping experience by guiding users to relevant products.

{"keywords":["running","shoes"],"categories":["Running Shoes","Athletic Shoes","Climbing Shoes"],"keywords_scored":{"running":1,"shoes":1},"categories_scored":{"Running Shoes":0.089,"Athletic Shoes":0.064,"Climbing Shoes":0.037}}

keywords field lists the input terms, while categories provides recommended categories. The keywords_scored and categories_scored fields indicate the relevance scores for each keyword and category, respectively. This data can be leveraged to create personalized shopping experiences and improve product discoverability.

Common Use Cases

• Cross-selling products by suggesting related categories during the shopping process.
• Enhancing search functionalities by providing category suggestions based on user input.
• Improving marketing strategies by analyzing category trends and user preferences.

Discount Calculator API

Discount Calculator API is a straightforward yet essential tool for e-commerce platforms, allowing users to calculate the final price of products after applying discounts.

Key Features and Capabilities

Calculation Expression. Users can input the original price and discount percentage, and the API will return the final price after the discount is applied.

{"original_price":100,"discount_percentage":20,"final_price":80}

original_price is the initial price of the product, discount_percentage indicates the discount applied, and final_price shows the price after the discount. This functionality can be integrated into e-commerce websites and mobile apps to enhance user experience by providing real-time price calculations.

Common Use Cases

• Integrating discount calculators into e-commerce websites to help customers make informed purchasing decisions.
• Incorporating discount features into mobile shopping apps for on-the-go calculations.
• Enhancing price comparison websites by providing final prices after discounts.

Tax Rate Lookup API

Tax Rate Lookup API automates the sales tax calculation process for transactions occurring in the United States, ensuring compliance with state and local tax laws.

Key Features and Capabilities

Get US Taxes. By providing a zip code, city, and state, users can retrieve the applicable tax rates for that location.

[{"zip_code": "10466", "total_rate": "0.088750", "state_rate": "0.040000", "city_rate": "0.045000"}]

zip_code, total_rate, state_rate, and city_rate. Developers can use this data to ensure accurate tax calculations during transactions, minimizing the risk of errors and penalties.

Common Use Cases

• Integrating with e-commerce platforms to automatically calculate sales tax for online transactions.
• Updating point-of-sale systems in retail environments to apply the correct sales tax rates.
• Facilitating compliance for businesses operating across multiple states with varying tax rates.

Prices Comparison API

Prices Comparison API enables users to compare product prices from multiple sources, enhancing the shopping experience by providing comprehensive pricing information.

Key Features and Capabilities

Compare Prices. By inputting the name of a product, users can retrieve pricing information from various retailers.

[
   {
      "title": "Apple iPhone 16 Pro Max",
      "price": "$1,920.06",
      "shop": "Design Info",
      "shipping": "+$23.42 shipping",
      "rating": "4 out of 5 stars",
      "reviews": "(5,508)",
      "link": "https://www.example.com/product"
   }
]

title, price, shop, shipping, rating, and reviews. Developers can use this data to create price comparison tools that help users find the best deals, ultimately driving sales and improving customer satisfaction.

Common Use Cases

• Consumer shopping apps that provide real-time price comparisons for products.
• E-commerce platforms that want to enhance product listings with competitive pricing.
• Affiliate marketing websites that offer dynamic product comparisons to drive traffic and sales.

Amazon Pricing Data API

Amazon Pricing Data API provides real-time information on product prices from Amazon, enabling users to optimize their pricing strategies effectively.

Key Features and Capabilities

Price Product. By providing the ASIN of an Amazon product and a locale, users can retrieve up-to-date pricing information.

{"currency":"USD","price":"28.00","availability":"In Stock","rating":"4.8 out of 5 stars"}

currency, price, availability, and rating. Developers can leverage this data to monitor competitor pricing, adjust their own prices accordingly, and enhance their product offerings.

Common Use Cases

• Price monitoring tools that track competitor prices on Amazon.
• Dynamic pricing strategies that adjust prices based on market conditions.
• Affiliate marketing platforms that display real-time Amazon product prices to users.

Commerce Tax Rates API

Commerce Tax Rates API provides up-to-date sales tax rates for accurate and compliant transactions in the United States.

Key Features and Capabilities

Get US Taxes. By entering a US zip code, users can retrieve the applicable sales tax rates for that area.

{"zip_code":90001,"state":"CA","total_rate":"0.088750","state_rate":"0.06000","city_rate":"0.028750"}

zip_code, state, total_rate, state_rate, and city_rate. Developers can use this data to ensure accurate sales tax calculations, improving compliance and customer trust.

Common Use Cases

• E-commerce platforms that need to calculate sales tax during transactions.
• Retail point-of-sale systems that require real-time tax rate updates.
• Financial software that integrates accurate tax rates for reporting and compliance.

Currency Conversion Engine API

Currency Conversion Engine API streamlines global transactions by providing real-time currency conversion rates and accurate conversions.

Key Features and Capabilities

All Currencies and Currency Conversion. The All Currencies feature allows users to retrieve a list of all available currencies.

["USD","EUR","GBP","JPY","AUD"]

Currency Conversion feature requires two currency codes and an amount to convert.

{"from":"USD","to":"EUR","amount":100}

from and to fields indicate the source and target currencies, while amount specifies the value to convert. This data can be used to facilitate international transactions, enhance e-commerce platforms, and improve user experiences.

Common Use Cases

• E-commerce platforms that need to display prices in local currencies for international customers.
• Travel booking applications that help users convert prices for flights and accommodations.
• Financial management applications that require accurate currency conversions for budgeting.

Forex API

Forex API provides access to real-time exchange rates for over 190 currencies, making it a cost-effective solution for accurate currency conversions.

Key Features and Capabilities

Currencies Available, Get Latest Rates, Get Latest Rate, and Currency Conversion. The Currencies Available feature allows users to retrieve a list of all supported currencies.

{"AED":"United Arab Emirates Dirham","USD":"US Dollar","EUR":"Euro"}

Get Latest Rates feature provides current exchange rates based on USD.

{"USD":1,"EUR":0.85,"JPY":110.0}

Get Latest Rate feature returns the exchange rate between two specified currencies.

{"EURUSD":1.18}

Currency Conversion feature allows users to convert amounts between currencies.

{"from":"USD","to":"EUR","amount":100,"converted_amount":85}

Common Use Cases

• E-commerce platforms that need to provide real-time currency conversion for international customers.
• Financial applications that require accurate currency conversions for budgeting and reporting.
• Travel booking websites that help users compare prices in different currencies.

Exchange Rate Currency and Forex API

Exchange Rate Currency and Forex API empowers applications to access real-time currency data, enabling seamless transactions and global financial insights.

Key Features and Capabilities

Currencies Available and Conversion Currencies. The Currencies Available feature allows users to retrieve a list of all available currencies.

{"supportedPairs":["EURUSD","GBPUSD","AUDUSD"]}

Conversion Currencies feature requires users to specify two currency codes without spaces.

{"rates":{"EURUSD":{"rate":1.18}}}

Common Use Cases

• E-commerce platforms that need to display prices in multiple currencies.
• Travel agencies that help users estimate costs in their local currencies.
• Financial institutions that require real-time exchange rate data for transactions.

Conclusion