10 Best Ecommerce Product APIs You Need to Know About

Did you know that the global API marketplace was valued at $18.00 billion in 2024 and is expected to grow at a CAGR of 18.9% from 2025 to 2030?

Running an eCommerce store over the last two decades has transformed in every aspect that businesses now consider engaging APIs the butter and milk of the process.

APIs can not only automate tedious and time-consuming tasks but also assist with product creation, listing, and shipping.

In this blog, we’ll explore the top 10 eCommerce APIs to help you scale your online store through bulk automations.

Let’s dive in!

10 Best Ecommerce Product APIs to Try in 2025

Before we explore the top 10 best eCommerce APIs, here’s a brief overview of what we’ll cover:

Mockup APIs

1. Dynamic Mockups API

Dynamic Mockups, the automated print-on-demand tool, offers the Dynamic Mockups API, a specialized solution for streamlining product mockup creation.

Designed for eCommerce and print-on-demand businesses, this API allows you to automatically generate high-quality mockups by integrating with Photoshop files that use smart objects.

What Dynamic Mockups API can do?

Automate Photoshop Templates

Dynamic Mockups API allows you to automate the placement and adjustment of designs in Photoshop files using smart objects, ensuring seamless workflow efficiency. 

This automation is essential for sustaining productivity levels that were previously reliant on the Photoshop API.

Additionally, our API fully supports all Photoshop blending modes, enhancing the realism of your mockups. 

This allows you to customize them to fit your brand identity and resonate with your target audience.

Enhanced Customization Options

This API is focused on providing specialized features designed for POD businesses, such as precise control over print areas and consistent design placement across various products.

Nevertheless, if you want to test your mockup design on different products like mugs or t-shirts, our API ensures consistent placement across both in real-time.

Bulk Processing

Dynamic Mockups API supports bulk operations, allowing you to generate up to 100 mockups in just 10 seconds. 

This drastically reduces the time and effort required compared to manual processing, making it especially beneficial for businesses with large product catalogs.

What else is in store for you?

Embeddable iFrame Mockup Editor

Seamlessly integrate our user-friendly mockup editor into your website, enabling you and your users to create stunning, print-ready mockups without needing to switch platforms.

Free Mockup Library

Explore our Free Mockup Library, featuring over 1,000 high-quality product templates, including T-shirts, hoodies, wall art, tote bags, mugs, sweatshirts, and more.

Design Library

Keep all your designs organized in one centralized hub, allowing you to quickly search, resize, reposition, and edit with ease, boosting productivity.

Pricing:

Dynamic Mockups provides a Free Plan with 100 monthly credits, a Pro Plan starting at $10 per month, and a Business Plan with customizable pricing. 

However, API access is only available with the Pro Plan and above. 

Keep in mind that as part of the free trial, you can render up to 100 images via API to enable prototyping and testing.

2. Printful API

Printful provides the Printful API, a set of tools that lets you develop print-on-demand solutions for your business. It helps you generate mockups and automate order fulfillment.

It is a comprehensive RESTful API designed to integrate Printful’s print-on-demand services into eCommerce platforms, custom websites, or applications.

This API allows you to generate mockups, automate order fulfillment, manage products, and handle shipping processes, making it perfect for businesses aiming to streamline their operations.

Printful API key features:

Product Mockup Creation – Generate high-quality mockups for your products, including apparel, accessories, and home goods.

Custom Mockup Maker – Integrate tools for customers to personalize products (e.g., text, images) directly on your storefront for easy access.

Sync Inventory – Keep your stock levels synced between Printful and your internal systems without manually updating inventory.

Pricing:

Although Printful offers a Free Plan where you pay only after an order is placed, you can choose the Printful Growth Plan, starting at $24.99 per month.

3. Adobe Photoshop API

Adobe Photoshop API is a robust cloud-based REST service that lets developers incorporate Photoshop’s advanced image editing features into their applications.

It supports automation, dynamic content creation, and large-scale image processing, making it perfect for industries such as eCommerce and marketing.

This Photoshop API allows you to automate mockup creation using smart objects – dynamic layers that let you programmatically insert designs into predefined templates while maintaining perspective and effects.

Adobe Photoshop API key features:

Batch Mockup Generation – Generate thousands of mockups at once, making it perfect for scaling your product catalog or launching seasonal campaigns.

Smart Object Automation – Allows you to place designs dynamically in templates without manual editing, saving time and minimizing errors.

Dynamic Content Updates – Automatically updates mockups with new designs or branding, maintaining consistency across your marketing materials.

Pricing:

Adobe Photoshop APIs are now part of Adobe Firefly Services and are primarily offered to Enterprise customers.

Pricing is negotiated directly with Adobe through an Enterprise Term Licensing Agreement (ETLA).

E-Commerce Product APIs

4. Shopify Product API

Shopify API provides users with a powerful option to automate specific tasks and streamline integrations with other software solutions, allowing you to manage product-related tasks in Shopify stores.

It facilitates smooth integration of product data, workflow automation, and the product customization of eCommerce experiences.

It allows tasks such as creating, updating, deleting, and retrieving product data, including variants, pricing, inventory levels, and images.

Additionally, it supports seamless integration with external platforms and systems, enabling centralized management of product catalogs across various sales channels.

The API offers both REST and GraphQL formats, giving you the flexibility to customize solutions to meet your specific requirements.

Shopify Product API key features:

Inventory Synchronization – Sync inventory levels across multiple platforms or warehouses using the API, preventing overselling and ensuring accurate stock tracking.

Image Management – Upload or update product images using the API, automating image updates for product listings, enhancing visual consistency, and reducing manual uploads.

Dynamic Pricing and SEO Optimization – Automate price adjustments and SEO metadata, enabling flash sales, seasonal promotions, and improved search visibility without manual intervention.

Pricing:

Shopify’s Product API is free to use, but costs arise from the need to subscribe to one of Shopify Paid Plans. 

Additionally, Enterprises requiring advanced features (e.g., B2B price lists) must subscribe to Shopify Plus, with pricing negotiated directly. Plans start at €39 per month.

5. WooCommerce Product API

WooCommerce Product API is a key part of the WooCommerce REST API, enabling you to manage products in WooCommerce-powered stores programmatically. 

Built on REST architecture, it supports CRUD operations on product data, allowing you to automate workflows, integrate with external systems, and scale your eCommerce operations. 

With endpoints for managing product attributes such as pricing, stock levels, categories, and images, the API simplifies inventory synchronization and customization.

It also supports multiple authentication methods (OAuth 1.0a and basic authentication over HTTPS) to secure access to store data.

WooCommerce Product API key features:

Product Variants Management – Manage product variations (e.g., size, color), simplifying the handling of different product options while ensuring accurate inventory tracking for each variant.

Integration Capabilities – Integrate your WooCommerce store with CRMs, external inventory management systems, and custom analytics and reporting tools, ensuring seamless data synchronization.

Reporting Insights – Retrieve sales data for specific products or categories over a set period, and visualize this data in charts or graphs to identify best-selling items or seasonal trends.

Pricing:

WooCommerce is free to download and use as a WordPress plugin.

However, additional costs may apply depending on your hosting provider, themes, and premium extensions you select to enhance your store’s functionality.

6. Etsy Product API

Etsy Product API is a component of Etsy’s public API suite, designed to provide access to manage product-related data on the Etsy marketplace.

It allows you to interact with listings, shops, categories, and tags, enabling you to create, update, retrieve, and delete product details.

Built on RESTful architecture, the API delivers JSON responses and uses OAuth for secure authentication. 

It is ideal for automating tasks like inventory updates, price changes, listing management, and syncing data with external systems like CRMs or analytics tools.

This API is especially useful for Etsy sellers looking to streamline operations and integrate with other platforms.

Etsy Product API key features:

Listing Management – Create, update, delete, and retrieve product listings using endpoints such as findAllShopListingsActive, automating the management of listings.

Category and Tag Management – Organize products by programmatically assigning categories and tags, enhancing product discoverability.

Shop Data Access – Retrieve shop-specific data, including sales history, customer details, and shop settings, offering valuable insights into shop performance.

Pricing:

Etsy API is free to use.

Payment APIs

7.  Stripe API

Stripe API is a collection of programmable interfaces that allows you to accept payments, manage subscriptions, send invoices, and handle financial transactions securely and efficiently. Built on REST architecture, it offers you the tools to integrate payment processing into applications, websites, or platforms, while maintaining compliance with security standards such as PCI DSS.
Stripe API key features:

Radar for Fraud Management – Uses machine learning (Stripe Radar) to detect and block fraudulent transactions, reducing chargebacks and protecting revenue.
3D Secure Authentication  –  Adds an extra verification layer for card payments, reducing fraud.
Custom Payment Flows – Create customized payment flows to suit your business needs, including setting up custom fields on payment forms and integrating with third-party services.
Pricing:

Stripe’s pricing model combines transaction fees with optional add-ons for advanced features.

8. Mollie API

Mollie API is a robust payment solution that streamlines online transactions for eCommerce stores, platforms, and marketplaces.

It enables merchants to accept various payment methods, including credit cards, PayPal, Apple Pay, Klarna, SEPA Direct Debit, and popular European options like iDEAL and Bancontact. Using REST architecture with JSON responses, the API offers endpoints for processing payments, managing orders, issuing refunds, and tracking transactions.

Additionally, it supports OAuth for secure access delegation, allowing applications to handle customer accounts and automate business workflows.

Mollie API key features:

Wide Payment Method Support – Support multiple payment methods like credit/debit cards, PayPal, Apple Pay, Klarna, SEPA Bank Transfer, and iDEAL, ensuring a smoother checkout experience.

Recurring Payments – Support subscriptions and recurring billing, making it perfect for SaaS businesses and membership services.

Multi-Currency Support – Handle payments in multiple currencies, enabling seamless international transactions without conversion issues.

Pricing:

Mollie follows a transparent pay-as-you-go pricing model with no monthly fees, setup costs, or hidden charges – you only pay for successful transactions.

Businesses processing over €50,000 per month can access customized volume pricing.

Shipping API

9. Shippo API

Shippo API is a shipping solution that helps eCommerce sellers optimize costs and delivery speed.

It streamlines the entire shipping process, from pre-purchase to returns, and supports high-volume shipments. 

By automating tasks and enhancing efficiency, Shippo API enables businesses to improve their overall customer experience.

Shippo API key features:

Shipping Rate Optimization – Get real-time shipping rates from multiple carriers like USPS, UPS, FedEx, and DHL, allowing you to compare prices and select the most cost-effective option to lower shipping costs.

Label Generation –  Automatically generate shipping labels for multiple carriers, saving time and minimizing costly errors.

Returns Management – Automates return label generation and tracking, making the returns process easier for you and customers while enhancing customer loyalty.

Pricing:

Shippo provides a Free Plan and a Premier Plan with scalable pricing, which requires direct contact for details.

Marketing API

10. ActiveCampaign API

ActiveCampaign API is a tool that lets you integrate ActiveCampaign with other marketing tools.

It helps you automate workflows, manage customer data, and improve your marketing strategies. 

Using REST architecture with JSON responses and OAuth authentication, it ensures secure access. 

With the API, you can connect ActiveCampaign to over 800 third-party applications, including popular platforms like Shopify, WooCommerce, Salesforce, Calendly, and Zapier. 

This enables you to seamlessly sync data such as contacts, deals, campaigns, and eCcommerce transactions. 

You can also create custom integrations tailored to your needs, like automating email campaigns or managing CRM data.

ActiveCampaign API key features:

Campaign Automation – Automate email campaigns based on customer behavior, boosting engagement and improving conversion rates.

Contact Management – Allows you to create, update, and sync contact information, ensuring accurate customer data for targeted marketing campaigns.

Ecommerce Integration –  Syncs e-commerce data, including orders and customer details, providing insights for personalized marketing strategies.

Pricing:

ActiveCampaign offers four Pricing Plans, all of which include API access, with subscriptions starting at $15 per month.

Wrapping Up

Each of these APIs plays a crucial role in building a successful eCommerce business. 

You can combine multiple APIs for various tasks or choose a few key ones to meet your specific needs. 

However, the real game-changer is how you use APIs to streamline the creation of eye-catching mockups that capture customers’ attention with unique designs.

That’s why choosing the right API is crucial for maximizing your brand’s appeal, and Dynamic Mockups gives you the tools to create standout visuals that leave a lasting impact.

Why Choose Dynamic Mockups API?

Dynamic Mockups not only offer the technical aspects of the API but also provide well-organized documentation for easy navigation.

At Dynamic Mockups, we equip you with the tools to:

• Launch your own app that requires mockups
• Utilize your API key on a different platform to either build something entirely new or dynamically enhance existing product mockups.

With our tool you also can:

Easily integrate with eCommerce platforms such as Etsy and soon Shopify and advance your seller success with complete automation.

Get started with Dynamic Mockups and create high-quality mockups to skyrocket your eCommerce store!

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