Content.One
Formerly Zesty.io
Hybrid Headless CMS for Enterprise
Quick Specs
- Type
- Hybrid Headless CMS
- Formerly
- Zesty.io
- Site Generators
- All frameworks
- Pricing
- Paid (contact sales)
- Self-hosted
- No
- APIs
- REST + GraphQL
What is Content.One?
Content.One is a hybrid headless CMS that was originally founded as Zesty.io in 2010. It combines structured content APIs with a multi-instance management layer designed specifically for enterprise teams running multiple brands or digital properties from a single platform.
Unlike purely API-first platforms, Content.One retains marketer-facing tools — SEO metadata management, URL control, scheduling, and cross-site asset sharing — alongside its headless delivery API, reducing the operational dependency on development teams for day-to-day content tasks.
G2 Reviews
Rated 4.4/5 from 184 verified reviews.
"Content.One (Zesty.io) has been central to our multi-brand content operations for years. Managing 15 brand sites from one platform with shared schemas and a centralised media library has been a significant operational advantage. The API reliability has been excellent throughout."
VP of Digital · Enterprise
"The headless delivery API is clean and well-documented. We use it with Next.js and the GraphQL endpoint handles all our content fetching. The multi-instance admin panel is well-thought-out for teams managing content across several sites simultaneously."
Senior Frontend Developer · Mid-Market
"Zesty.io — now Content.One — gave our marketing team independence. The built-in SEO tools, URL management, and scheduling mean we rarely need to involve developers for content operations. The platform has scaled reliably with us as our site count grew."
Digital Content Manager · Enterprise
"The multi-site inheritance model is the best in the headless CMS market for enterprise brands. A parent schema with per-instance overrides saves a lot of duplication. The REST and GraphQL APIs are solid and the CDN performance is consistently fast."
Solutions Architect · Agency
Platform Features
Multi-Instance Management
- Manage multiple brands and sites from one dashboard
- Shared content schemas across instances with inheritance
- Per-instance user roles and publishing permissions
- Centralized media library with cross-instance asset sharing
Content & API
- REST and GraphQL APIs for headless content delivery
- Structured content modelling with reusable field schemas
- Built-in CDN for fast content and asset delivery
- Webhooks and API triggers for build pipeline integration
Marketing Tools
- Built-in SEO fields and metadata management per page
- URL and redirect management without developer involvement
- A/B testing and content experimentation tools
- Scheduled publishing with timezone support
Enterprise Features
- Single Sign-On (SSO) via SAML and OAuth
- Audit logging for all content and configuration changes
- Custom roles and granular permission management
- SLA-backed uptime with enterprise support tiers
Pros & Cons
Strengths
- Multi-instance management is purpose-built for enterprise multi-brand operations
- Combines headless content APIs with marketing-friendly site management tools
- Built-in SEO, redirect, and URL management reduce developer dependency
- Strong track record under the Zesty.io brand since 2010
- Centralized media library shared across all brand instances
- Enterprise-grade compliance with SSO, audit logs, and custom SLAs
Limitations
- Pricing is enterprise-tier and not published publicly — requires a sales conversation
- No self-hosting option for teams with strict data residency requirements
- Smaller developer community compared to Contentful, Strapi, or Sanity
- Less name recognition post-rebrand than under the Zesty.io brand
Content.One Pricing
Content.One pricing is tailored to each organisation based on the number of instances, API call volume, user seats, and support tier required. Contact the Content.One team for a quote aligned to your specific use case and scale.
Custom
contact sales
Small teams and single-site projects
- 1 instance
- REST + GraphQL APIs
- Basic SEO tools
- CDN delivery
- Email support
Custom
contact sales
Multi-brand and growing organisations
- Multiple instances
- Shared content schemas
- Advanced SEO tools
- A/B testing
- Priority support
Custom
contact sales
Large-scale multi-instance operations
- Unlimited instances
- SSO & SCIM
- Audit logs
- Custom SLA
- Dedicated CSM
Frequently Asked Questions
Content.One Alternatives
Other platforms worth evaluating alongside Content.One.

Agility CMS
A strong hybrid headless CMS alternative with a built-in page management layer and strong Next.js support for marketing-led teams.
Contentful
The market-leading API-first option with a larger app marketplace and stronger brand recognition for enterprise procurement.
Storyblok
Better for teams wanting a real-time visual editor alongside their headless API, with strong multi-space enterprise features.
Kontent.ai
A purpose-built enterprise headless CMS with AI-powered content workflows and ISO 27001 / SOC 2 compliance.