Sanity · Headless CMS · Next.js

SanityAgency for structured content

Headless CMS, studio customization and blazing-fast Next.js frontends – from content model to launch.

Sanity-CMS-Agentur – happycoding

We are a Berlin-based agency focused on headless architectures with Sanity as the content platform. Our goal: websites and web apps that load extremely fast, perform strongly in SEO, and scale intelligently. With the headless CMS Sanity, we combine a highly flexible, structured content backend with modern frontends (e.g. NextJS) – ideal for marketing websites, content hubs, and omnichannel platforms.

High performance is no coincidence. By decoupling frontend and backend, using API-first delivery and intelligent edge caching, we deliver content within milliseconds – even under heavy traffic. This reduces server load, stabilizes operations, and measurably improves Core Web Vitals. SEO and visibility first: clean markup, lightning-fast load times, and optimal indexing form the foundation for sustainable growth.

Flexibility and integrations are among our core strengths: We seamlessly connect Sanity with systems like Shopify (headless commerce) or other APIs and data sources to create content hubs that manage and distribute content efficiently across all channels. Our team of strategists, developers, and designers share a passion for clarity and technical excellence. Real-time workflow: Sanity offers a modern, fast editorial interface – changes become visible instantly, and multiple team members can collaborate in real time without delays or conflicts. With Sanity, we build digital products that shine today and remain strong tomorrow – scalable, secure, and adaptable.

Logo von 20moments
Logo von Bemer
Logo von Berliner Volksbank
Logo von Clinomic
Logo von Consentmanager
Logo von Deloitte
Logo von DFDC
Logo von einhorn
Logo von Cushman & Wakefield
Logo von in-motion
Logo von myticket
Logo von TES H2

Typical Sanity projects

Sanity fits when your editors maintain content once and publish it in several languages, across several channels or alongside a shop and ERP.

  • Headless commerce with Sanity

    Your marketing team publishes guides, brand stories and campaign pages on its own, while the shop keeps handling cart and checkout. Content in Sanity references products in Shopify or Medusa instead of copying product data.

  • Website connected to ERP and PIM

    Your website shows prices, variants and specs straight from your ERP or PIM, and nobody has to type them in a second time. Sanity only holds the editorial content, so every type of data has exactly one system in charge.

  • From WordPress to Sanity in stages

    You leave plugin sprawl and update anxiety behind without betting everything on a single launch day. Content moves to Sanity step by step, with a parallel run and redirects that protect your search rankings.

  • Choosing a CMS: Sanity or Contentful?

    You are picking a headless CMS and want to know costs, flexibility and vendor lock-in before you sign. We measure Sanity, Contentful and other candidates against your requirements, even if a different system wins in the end.

  • Multilingual B2B website

    Customers in your export markets find your offering, references and contacts in their own language. Your team maintains every language version in the same Sanity Studio and checks each page in preview before it goes live.

  • Website, docs and blog from one CMS

    Your team writes the website, product docs and blog in one place instead of juggling three tools and three logins. One shared content model in Sanity feeds all three, so a renamed product updates everywhere at once.

Your project is not on the list? In a 30-minute intro call we clarify the content model, integrations and cost range.

Book an intro call
Happycoding Team

With Sanity to the next Omnichannel level

Through better user experience (UX), optimized performance, and scalable architecture, our Sanity-based headless projects help attract more visitors, convert leads, and drive sustainable growth. By storing content as structured data rather than rigid pages, it can be reused efficiently and delivered in personalized ways. Our headless approach connects content and design, empowering marketing teams to launch campaigns faster – without the technical dependency of traditional CMSs.
Exzellente Core Web Vitals

Blazing-fast websites with Sanity & Next.js – Enterprise-grade performance

Sanity as a headless CMS combined with modern NextJS frontends delivers enterprise-level performance. Decoupling, real-time updates, and intelligent caching (Edge/CDN) enable load times of just milliseconds – even with high traffic. Modern rendering strategies (SSR, SSG, ISR) ensure SEO-friendly delivery of well-structured content. Result: better visibility, higher conversion rates, and a noticeably smoother user experience.

Services

We offer a full range of services around Sanity as a headless CMS – from initial concept to ongoing operations:

Concept & Design

  • Workshops with your team

  • Content strategy and modeling

  • Wireframes and design

  • Technology consulting

Implementation

  • Frontend integration via GraphQL or GROQ

  • Commerce platform integration

    MedusaJS, Shopify or WooCommerce.

  • Multilingual and international content

  • Accessibility

  • API integration

  • Custom extensions

Operations

  • Maintenance and support desk

  • SEO and AIEO

  • Asset optimization and CDN setup

  • Security hardening

  • Monitoring, logging and hosting

  • Content production

Your Advantage

Why companies trust our headless solutions with Sanity as CMS backend:

interface thumbs-up icon

Flexible content models

We create editor-friendly content types in Sanity that balance structure and creative freedom – no rigid templates or page builders.

interface arrow-up icon

Built to scale

Architectures designed for tomorrow – clean data models, modular components, and auto-scaling content delivery keep your costs low as you grow.

interface trophy icon

Fast & reliable

Millisecond load times thanks to Sanity’s real-time backend, global CDN, and performance-first optimization. Published content goes live instantly, previews load instantly, and traffic spikes are handled automatically.

interface scan icon

Sanity & API expertise

Strategic guidance beyond implementation – from content architecture and API design to security best practices, SEO, and performance optimization.

What is a headless CMS – and why Sanity?

Definition

Headless CMS
A headless CMS manages content as structured data and delivers it through an API to any frontend – website, app, or digital products. The presentation layer is freely selectable and can be swapped independently.

Sanity is a headless CMS that manages content as structured data and delivers it through an API to any frontend. We use Sanity when multilingual B2B content needs to reach multiple channels and editorial teams need live preview and collaborative workflows.

License costs

Sanity + Next.js
Free tier; teams from about $15/user/month
WordPress (classic)
€0 – costs arise through plugins and hosting

TCO over 3 years (B2B website)

Sanity + Next.js
approx. €61,000–126,000
WordPress (classic)
approx. €65,000–153,000

Cost distribution

Sanity + Next.js
higher initial investment, lower running costs
WordPress (classic)
ongoing costs for plugins, updates, maintenance

Structured content

Sanity + Next.js
native (schemas, Portable Text)
WordPress (classic)
plugin-dependent (e.g. ACF)

Break-even after migration

Sanity + Next.js
around 18 months median (our migration projects)
WordPress (classic)
—

Reference values as of July 2026, based on our TCO comparison of WordPress vs. Sanity + Next.js.

Who works on your project

Our senior team in Berlin, from the first draft to production. You talk directly to the people who write your code.

Meet the team

FAQ

What you always wanted to know about Sanity.io — but never dared to ask…

Even in a headless setup, Sanity supports full live previews. With Sanity’s Preview Mode, editors can see draft changes instantly and exactly as they’ll appear on the live site before publishing. Using secure preview tokens and dedicated preview routes, you can safely review drafts – including multilingual and role-based views. We implement token expiration, unique draft IDs, and webhook-driven revalidation to keep previews secure and fresh. Advanced approval workflows can be built with Content Releases and role-based publishing.

When implemented correctly, a headless architecture dramatically improves SEO and Core Web Vitals. Frameworks like Next.js enable server-side rendering or static generation for lightning-fast load times and fully indexable HTML. You gain total control over markup, structured data, hreflang, and canonical tags. Avoid common pitfalls like inconsistent canonicals or stale caches, and you’ll achieve top PageSpeed and ranking results.

Headless pays off when performance, scalability, omnichannel, or integrations are critical. Typical triggers include:

  1. Performance optimization – to improve Core Web Vitals and conversions
  2. Omnichannel publishing – powering websites, microsites, apps, and digital signage from one CMS
  3. Personalization & dynamic content – beyond what template systems can deliver
  4. Security & compliance – by separating editorial and live environments

For small, simple sites, a monolithic CMS can still suffice. But for growing teams and evolving content ecosystems, headless delivers greater flexibility and future readiness.

Sanity supports both GROQ (its native query language) and GraphQL.

  • GROQ is optimized for deeply structured content and returns precisely what’s needed in a single query.
  • GraphQL is widely known and great for standard integrations. In practice, many teams combine both – GROQ for frontend rendering, GraphQL for integrations. We’ll help you define an API strategy with versioning and documentation to fit your tech stack.

Moving to Sanity means saying goodbye to CMS plugins – but not to their functionality. Sanity’s schema-based system allows you to recreate SEO fields, redirects, and translation workflows natively. Marketing tools (Analytics, CRM, etc.) connect via API. The frontend is built as a custom component library (e.g. in React/Next.js) – matching your exact brand and design system. In short: you keep the workflows, gain performance, and eliminate plugin chaos.

In a headless setup, the editorial backend is not publicly accessible, reducing your attack surface. Sanity Studio uses authenticated access with fine-grained roles. APIs are protected with WAF/CDN layers, rate limits, and secret management. This setup simplifies compliance (e.g. GDPR) by separating editorial and delivery systems. We add logging, auditing, and monitoring to maintain transparency and ensure security updates are managed continuously.

The foundation is a solid content model: localized fields, fallback strategies, and clear region-based routing. We configure locale-aware structures, hreflang tags, and localized sitemaps. Workflows include translation tools integration, role-based approvals, and scheduled regional publishing. Reporting dashboards allow per-language KPI tracking – so you know what performs where.

Headless changes the cost structure: lower hosting and maintenance due to Sanity’s auto-scaling cloud, but more investment upfront in component design and API setup. The payoff: faster releases, fewer regressions, and higher agility.

With clear ownership separation (content vs. frontend), your marketing team can edit freely while developers ship new features independently. Add CI/CD pipelines and observability, and you’ll get shorter release cycles and long-term ROI.

Yes. Sanity includes built-in AI Assist features that enhance editorial workflows. The AI Assistant works directly with your structured content, enabling contextual suggestions – such as auto-tagging, summaries, or SEO descriptions. Editors can trigger AI support per field or document, turning brief notes into well-structured content while staying in control. This reduces routine work and ensures consistency across all channels. Our team helps you deploy AI features meaningfully, focusing on measurable productivity gains rather than gimmicks.

[@portabletext/react] Unknown block type "image", specify a component for it in the `components.types` prop
Open for select projects

Let's talk about your project

Book a no-obligation call, send us an email, or use the form – we'd love to hear from you.

150+
Completed projects
15
Years of experience
7
Senior‑level team members