Complex Build

Build a Headless CMS for Marketing & Agencies

Marketing & Agencies businesses need a headless cms that handles content modelling and api delivery. API-first content management for delivering content to any frontend. Build time: 8-16 hours. Budget: $1500-4000.

28%

more projects completed on time when using dedicated project management software

McKinsey 2024

451%

average ROI from marketing automation software

Forrester 2024

Perfect is the enemy of shipped. I would rather give you something useful this week than something perfect in six months.

Callum Holt, Founder, 13Labs

Last updated: 2026-03-19

Why Marketing & Agencies Businesses Need a Headless CMS

Marketing agencies, digital agencies, and creative studios. A headless cms solves a core problem: api-first content management for delivering content to any frontend.

Marketing & Agencies professionals deal with managing multiple client projects simultaneously and tracking creative assets and approvals. A purpose-built headless cms handles content modelling, preview, webhooks, so you can focus on the work that actually matters.

Headless CMS Features for Marketing & Agencies

MVP features (launch in 8-16 hours):

- Content types

- API endpoints

- Basic editor

Advanced features (add later):

- Localisation

- Asset pipelines

- Workflows

- Custom plugins

This headless cms is achievable with the right tools. We recommend starting with the MVP and iterating based on real user feedback from your marketing & agencies clients.

Recommended Tools to Build a Headless CMS

Sanity: The composable content cloud that treats content as structured data. Build custom editing experiences and deliver content anywhere via flexible APIs.. Free tier available: 3 users, 10K documents, 500K API requests. Difficulty: intermediate. Learn more about Sanity.

Strapi: Open-source headless CMS that gives you full control. Self-host or use the cloud, customise everything, and build content APIs in minutes.. Free tier available: Self-hosted, unlimited everything. Difficulty: intermediate. Learn more about Strapi.

Contentful: Enterprise-grade headless CMS that powers digital experiences across channels. Structure your content once, deliver it everywhere via powerful APIs.. Free tier available: 5 users, 2 locales, community support. Difficulty: intermediate. Learn more about Contentful.

Headless CMS Examples for Marketing & Agencies

Here are some ways marketing & agencies businesses use a headless cms:

- Multi-platform content: Adapted for marketing & agencies workflows and terminology.

- App content delivery: Adapted for marketing & agencies workflows and terminology.

- Decoupled websites: Adapted for marketing & agencies workflows and terminology.

Every headless cms we build is customised to the specific needs of your marketing & agencies business. No generic templates.

How to Get Started

You have two paths:

Build it yourself. Join a buildDay workshop and build your headless cms in a single day with expert guidance. Cost: $95.

Have us build it. We scope your marketing & agencies headless cms project, quote a fixed price (typically $1500-4000), and deliver within 8-16 hours to 2 weeks.

Either way, you end up with a working headless cms built specifically for marketing & agencies professionals.

At a Glance

FeatureMVP (Launch Fast)Advanced (Scale Up)
Content typesIncluded in MVPUpgrades to: Localisation
API endpointsIncluded in MVPUpgrades to: Asset pipelines
Basic editorIncluded in MVPUpgrades to: Workflows
Timeline8-16 hours2-4 weeks additional
Budget Range$1500-4000$1500-4000 (additional)

Frequently Asked Questions

How much does Headless CMS Development cost for Marketing & Agencies businesses?

For Marketing & Agencies businesses, Headless CMS Development typically starts from $1500. The exact cost depends on complexity, but most Marketing & Agencies projects fall within the $1500-4000 range. We scope everything in a free consultation before quoting.

How long does Headless CMS Development take for a Marketing & Agencies business?

Most Headless CMS Development projects for Marketing & Agencies businesses take 8-16 hours. Simpler builds can be faster. We will give you an honest timeline in your free consultation based on exactly what you need.

Do you have experience building Headless CMS for Marketing & Agencies?

Yes. We have worked with Marketing & Agencies businesses to build Headless CMS solutions that fit their specific workflows. Every industry has its quirks, and we take time to understand yours before we start building.

What is the process for getting Headless CMS built for my Marketing & Agencies business?

It starts with a free consultation where we learn about your Marketing & Agencies business and what you need. From there, we scope the project, agree on a price, and start building. You will see progress throughout and can give feedback at every stage.

What features should a Headless CMS have for Marketing & Agencies?

The features depend on your specific needs, but for Marketing & Agencies businesses we typically recommend starting with the essentials and adding from there. We will help you prioritise what matters most during the scoping process.

Build a Headless CMS for Your Marketing & Agencies Business

Get a headless cms built for marketing & agencies. Join a workshop ($95) or let us build it (from $1500).

Get Started