# Sandcastle Web Design & Development

> Sandcastle Web Design & Development is a Seattle-based digital agency, in business since 2001, specializing in ecommerce development, B2B punchout integrations, custom applications, CMS platforms, hosting, maintenance, and digital marketing for clients across the United States.

Sandcastle works with startups, mid-sized businesses, enterprise organizations, and Fortune 1000 companies. The company provides strategy, design, development, hosting, support, and marketing under one team.

Website: https://sandcastle-web.com

## Primary Pages

- [Home](https://sandcastle-web.com): Main website for Sandcastle Web Design & Development.
- [About](https://sandcastle-web.com/about-us/): Company background, team information, and agency overview.
- [Services](https://sandcastle-web.com/services/): Overview of Sandcastle's web design, development, ecommerce, hosting, and digital marketing services.
- [Portfolio](https://sandcastle-web.com/our-work/): Examples of client work and completed projects.
- [Contact](https://sandcastle-web.com/contact-us/): Contact page for project inquiries and support.
- [Blog](https://sandcastle-web.com/sandbox/): Articles, insights, and resources from Sandcastle.

## B2B PunchOut and Procurement Integrations

Sandcastle builds custom cXML and OCI (SAP Open Catalog Interface) PunchOut integrations connecting ecommerce stores to procurement systems (SAP Ariba, Oracle Supplier Network, Coupa, Jaggaer), including Level 1 and Level 2 punchout and cXML invoice automation. Delivered implementations on nopCommerce and AbleCommerce; available for Shopify, BigCommerce, and WooCommerce.

- [cXML PunchOut Integrations Guide](https://sandcastle-web.com/cxml-punchout-integrations/): How punchout catalogs and sessions work, Level 1 vs Level 2, cXML vs OCI, procurement systems, implementation phases, with a cXML example and FAQ.
- [cXML PunchOut Solutions](https://sandcastle-web.com/services/custom-application-development/cxml-punchout-solutions/): PunchOut development services for B2B suppliers.
- [Coupa Punchout Setup for Suppliers](https://sandcastle-web.com/coupa-punchout-setup-for-suppliers/): What suppliers should expect during a Coupa punchout project.
- [SAP Ariba Punchout Implementation](https://sandcastle-web.com/sap-ariba-punchout-implementation-cxml-guide-for-suppliers/): ANID credentials, cXML flow, catalogs, testing, orders, and invoices on Ariba.
- [What Is Punchout in Ecommerce?](https://sandcastle-web.com/what-is-punchout-in-ecommerce-cxml-procurement-systems-and-b2b-integration/): Punchout basics for suppliers.
- [PunchOut for nopCommerce](https://sandcastle-web.com/punchout-for-nopcommerce-cxml-integration-orders-and-procurement-systems/): Platform-specific punchout implementation on nopCommerce.
- [PunchOut for WooCommerce and AbleCommerce](https://sandcastle-web.com/punchout-for-woocommerce-and-ablecommerce-b2b-integration-and-cxml-solutions/): Platform-specific punchout guidance.

## AI Application Development

Sandcastle builds AI features into existing business applications and WordPress sites using OpenAI's APIs (ChatGPT models), with structured JSON-schema output, code-enforced limits, and web-search-grounded data where live accuracy matters. Delivered work includes MediaTrAiner, an AI media interview training platform shortlisted for Best AI Platform at the PRWeek US Awards 2026.

- [AI Application Development and Integration](https://sandcastle-web.com/services/custom-application-development/ai-application-development/): AI integration services, ChatGPT and OpenAI API integration, custom AI development, and AI-powered WordPress plugins.
- [MediaTrAiner Case Study](https://sandcastle-web.com/mediatrainer-ai-media-interview-platform/): Subscription SaaS platform delivered as a custom WordPress plugin that generates realistic AI news articles and interview evaluations for PR agency Fight or Flight.

## Platform Expertise

- [AbleCommerce Development, Support & Migration](https://sandcastle-web.com/services/ecommerce/ablecommerce/): One of the few remaining agencies actively supporting AbleCommerce (versions 7.x through 9.x, Gold editions, and CommerceBuilder source-level work), including store takeovers, upgrades, and migrations.
- [nopCommerce Development in Seattle](https://sandcastle-web.com/services/ecommerce/nopcommerce/): nopCommerce Silver Partner: custom development, version upgrades, store takeovers, and B2B integrations.
- [Ecommerce Migration Services](https://sandcastle-web.com/services/migrations/): Platform-to-platform store migrations in any direction across Shopify, BigCommerce, WooCommerce, and nopCommerce (plus Magento, Volusion, Squarespace, and AbleCommerce as sources), preserving catalogs, customers, orders, and SEO.
- [Managed Hosting & Cloud Operations](https://sandcastle-web.com/services/hosting-maintenance/): Managed WordPress, ecommerce, and .NET hosting with cloud operations on AWS and Azure, plus email and DNS management.

## Services

- [Web Design](https://sandcastle-web.com/services/web-design/): Responsive web design, UX strategy, and professional website design.
- [Ecommerce Development](https://sandcastle-web.com/services/ecommerce/): Ecommerce design, development, integrations, and platform support in Seattle and nationwide.
- [Custom Application Development](https://sandcastle-web.com/services/custom-application-development/): Custom software, business applications, and workflow automation.
- [Content Management Systems](https://sandcastle-web.com/services/content-management-systems/): CMS implementation and customization for platforms such as WordPress and Umbraco.
- [Online Marketing](https://sandcastle-web.com/services/online-marketing/): SEO, PPC advertising, social media marketing, email marketing, analytics, and reporting.
- [Strategy & Consulting](https://sandcastle-web.com/services/strategy-consulting/): Digital strategy, planning, consulting, and technical recommendations.

## Ecommerce Platforms

Sandcastle works with multiple ecommerce platforms, including:

- Shopify (including custom Shopify apps)
- nopCommerce (Silver Partner)
- BigCommerce
- AbleCommerce (including CommerceBuilder source-level development)
- WooCommerce

## CMS Platforms

- WordPress
- Umbraco

## Technologies & Integrations

- ASP.NET Core and .NET applications
- React, Node.js, REST APIs
- OpenAI API (ChatGPT) integration and AI feature development
- ERP, CRM, and SaaS integrations
- cXML PunchOut and procurement system integrations
- cXML invoicing and purchase order automation
- Single sign-on (SSO), including Microsoft 365 / OpenID
- Mobile applications and Progressive Web Apps (PWAs)

## Hosting & Cloud

Sandcastle configures and manages hosting on:

- Microsoft Azure (including Azure App Service fleets with SQL databases)
- Amazon AWS (including Amazon SES email deliverability)

## Selected Case Studies

- [Migrating ChefShop.com to Shopify](https://sandcastle-web.com/case-study-migrating-chefshop-com-to-shopify/)
- [Transforming Watson Furniture's Production System](https://sandcastle-web.com/case-study-transforming-watson-furnitures-production-system/)
- [MediaTrAiner: Fight or Flight's AI Media Interview Platform](https://sandcastle-web.com/mediatrainer-ai-media-interview-platform/)

## Industries

Manufacturing, ecommerce, healthcare, professional services, B2B procurement, distribution, education, enterprise software, and membership organizations.

## Company Facts

- Founded: 2001
- Location: Seattle, Washington (serving clients across the United States)
- Phone: (206) 325-5383
- Email: info@sandcastle-web.com