Wix Platform Updates: September 2026

Welcome to the September 2026 edition of Wix Platform Updates! As your Lead Migration Strategist, I'm here to ensure you're always at the forefront of Wix's evolving ecosystem. This month has been particularly dynamic, with significant advancements across our API landscape, new developer tools, and crucial updates for e-commerce and business management. From enhanced site control to AI-powered SEO and robust partner program tools, these updates empower developers, CTOs, and technical decision-makers to build more powerful, integrated, and efficient solutions on Wix.

Let's dive into the key developments from the past 30 days.

API Updates

September brought a wealth of new and updated APIs, expanding programmatic control over various aspects of Wix sites and accounts.

Account-Level & Partner APIs

• Premium Assets V2 API (Version 1.0.10): A new API allowing you to retrieve what a Wix account pays for, providing a read-only view of purchased Premium products and their origins. (September 24, 2026)

• Enterprise Site Management APIs (Version 1.0.2): These APIs introduce granular control over enterprise sites. The Site Publish State API lets you take a published site offline without deletion, while the SSL Certificate API enables installing custom SSL certificates on connected domains. (September 24, 2026)

• Partners Program Achievements API: For our valued partners, this API now allows you to read your standing in the Wix Partners Program, including your level, total points, and individual achievements. (September 16, 2026)

• Marketplace APIs: Marketplace providers can now programmatically manage their standing in the Wix Marketplace and retrieve projects created from their leads. (September 9, 2026)

• Earnings APIs: A significant addition for Wix Partners, the Earnings APIs enable tracking revenue share from premium subscriptions, gross payment volume (GPV), marketplace transactions, and materialized invoices. (September 1, 2026)

Business Solutions & E-commerce APIs

• Capital Remittance Invoices API (Version 1.0.4): This API provides access to daily records of how much of a merchant's sales goes towards repaying a Wix Capital cash advance. (September 24, 2026)

• Stores Count Ribbons V3 API: The Stores Ribbons V3 API now includes a Count Ribbons method, allowing you to efficiently count ribbons based on filters or get a total count without paging. (September 23, 2026)

• Pricing Plans Settings API (Version 1.0.403): Gain control over site-level pricing plan settings with this API. You can choose tax calculation methods, allow guest purchases, and automate invoice creation. (September 22, 2026)

• Pricing Plans Plan Benefits API (Version 1.0.403): This API helps you determine which pricing plans grant access to specific items and the associated benefit. (September 22, 2026)

• Online Programs APIs (Version 1.0.207): A comprehensive suite of new APIs for managing online programs, including Program Sections, Quizzes, Resolved Steps, and Quiz Submissions. (September 22, 2026)

• Stores Brands V3 API (Version 1.0.0): Similar to ribbons, the Stores Brands V3 API now features a Count Brands method for efficient brand counting with or without filters. (September 15, 2026)

• Online Programs Participants API (Version 1.0.186): Manage member enrollment and progress tracking in online programs. This API supports bulk operations, status updates, certificate issuance, and events for participant activity. (September 15, 2026)

• Site Properties API (Version 1.0.232): The Site Properties API now includes an Update Business Region method, allowing you to change a site's payment currency, time zone, or both. (September 10, 2026)

• Google Business Profile Media Upload API (Version 1.0.4): This API helps manage a Wix site's presence in Google Business Profile by queuing photo changes for locations, handling Google's rate limits efficiently. (September 3, 2026)

• Companion Apps API (Version 1.0.8): Use this API to retrieve, create, and install companion apps coupled to a Wix site, enabling app-provided feature customization. (September 2, 2026)

CRM & Community APIs

• Comments API (Version 1.0.213) - Reactions: The Comments API now includes methods for managing a comment's reactions: Add, Remove, and Bulk Get Comment Reactions. (September 22, 2026)

• Comments APIs (Version 1.0.213) - New APIs: Further enhancing community engagement, the Comments APIs now feature Vote, Comment Context, and Comment Content Revisions APIs, allowing for upvotes/downvotes, context-aware permissions, and content versioning. (September 22, 2026)

Marketing & SEO APIs

• Marketing Automation Email Action API: This new API allows you to manage the email content of 'send email' actions within a site's automation, including subject lines, preview text, and editor content. (September 16, 2026)

• SEO Tag Suggestions and Page Optimization APIs: Leverage AI with these new APIs that generate AI-powered SEO suggestions for page title tags, description tags, image alt text, headings, and even full page rewrites for focus keywords. This is a powerful tool for optimizing your Wix Harmony site for AI Search in 2026. (September 10, 2026)

• SEO Google Search Console APIs: Manage your Wix site's presence in Google Search Console programmatically. This API covers everything from connecting a Google account, verifying the site, submitting sitemaps, to reading indexing and search performance data. (September 7, 2026)

New Features & Developer Tools

Wix continues to enhance the developer experience with new features for app development, site customization, and headless implementations.

Editor & Dashboard Enhancements

• Dashboard cross-scope navigation: Developers can now navigate a Wix user between dashboard scopes (specific site or account) by specifying a scope in navigate(), including deep-linking and context passing. (September 17, 2026)

• Custom panels for Editor React Components: You can now build custom panels for Editor React Components using the new React Elements API, offering full control over layout, controls, and logic. (September 9, 2026)

• React Elements API: This new API empowers you to build custom panels for Editor React Components, providing granular control over panel behavior, data, styles, and states. (September 9, 2026)

App Development & Headless

• Development sites for Wix apps: Two new articles provide comprehensive guidance on what development sites are and how to work with them, including app installation, in-progress changes, and editor choices. (September 16, 2026)

• Headless SEO documentation: New documentation has been added for Wix-managed and self-managed headless projects, covering automatic vs. self-built SEO, sitemaps, reserved routes, and dashboard settings. (September 15, 2026)

• Brand styling for Wix eCommerce checkout plugins: Checkout plugins can now seamlessly match the merchant's checkout theme, with design properties passed via a new slotBrand property. (September 14, 2026)

• App Tools extensions for Self-managed apps: Self-managed apps now support App Tools extensions, enabling you to expose your app's capabilities to Aria, Wix's AI assistant, via REST or the Wix JavaScript SDK. (September 8, 2026)

• WordPress to Wix Headless migration: A groundbreaking new feature allows you to migrate a WordPress site to Wix Headless using an AI agent and the Wix migration skill. This skill discovers content, maps it to Wix equivalents, and imports products, orders, blog posts, customers, and media into a new Wix project. This is a game-changer for those looking for a seamless Wix website migration. (August 27, 2026)

E-commerce & Business Management Insights

Beyond direct platform updates, we're tracking broader e-commerce trends and insights that impact our developer community. While some of these are from external sources like WooCommerce, they offer valuable context for strategic decision-making.

• Social media checkout data is split — here’s what that means for your 2026 Black Friday campaigns: Important insights into how social platforms are changing their purchase handling, crucial for planning your upcoming Black Friday strategies. (September 14, 2026)

• How to choose a B2B ecommerce platform: A helpful guide on top considerations and real-world examples for selecting the best B2B e-commerce solution. (September 9, 2026)

• What’s new with WooCommerce 11.1: order withdrawal, image gallery updates, and more: Stay informed on competitor updates with this overview of WooCommerce's latest enhancements. (September 3, 2026)

• Migrate to WooCommerce Subscriptions without breaking billing: A detailed guide on migrating subscriber data and handling payment methods for WooCommerce Subscriptions. (September 2, 2026)

• Print-on-demand costs almost nothing to start. Smart pricing is what makes it pay: Insights into print-on-demand pricing strategies to ensure profitability despite higher unit costs. (September 1, 2026)

• How better data helps you reduce ecommerce returns: Learn how to leverage e-commerce data to spot problems, uncover buyer friction, and fix fulfillment issues, ultimately reducing preventable returns. (August 28, 2026)

• How to write a return policy your team can actually follow: A practical guide on auditing your e-commerce return policy, fixing policy drift, and streamlining processes. (August 27, 2026)

Deprecations

As the platform evolves, some older methods are deprecated to make way for more robust solutions. Please review these changes to ensure your integrations remain up-to-date.

• Deprecated method: Gift Cards List Gift Cards By Email: The List Gift Cards By Email method of the Gift Cards API has been deprecated. (August 30, 2026)

• Deprecated method: eCommerce Memberships Service Plugin List Eligible Memberships: The List Eligible Memberships method of the eCommerce Memberships service plugin has been deprecated. (August 30, 2026)

That wraps up our September 2026 roundup of Wix platform updates. The pace of innovation at Wix continues to accelerate, offering developers and businesses more power and flexibility than ever before. We encourage you to explore these new APIs and features to enhance your Wix projects and stay competitive. For more insights into leveraging AI in your e-commerce strategy, consider reading our post on AI in E-commerce: Is Your Investment a Mirage in 2026?.

Stay tuned for next month's updates!