Composable APIs without compromise

Deliver structured content anywhere—securely and at scale.

Content.One's API management keeps your headless strategy in sync. Govern access, monitor usage, and serve omnichannel experiences with REST, GraphQL, and instant JSON endpoints built for enterprise delivery.

Explore headless delivery View developer docs
Content.One API access options interface
Modes

Render the way your teams build.

WebEngine supports three output modes so developers, marketers, and integrators can work in the style that fits their implementation target. Switch instantly—no content migrations required.

Next.js logo

Next.js

React-based framework with SSR, ISR, and static generation for lightning-fast experiences.

React logo

React

Component-driven UI library tailor-made for reusable experiences and dynamic apps.

Vue logo

Vue

Progressive JavaScript framework with reactivity baked in for rapid UI builds.

Angular logo

Angular

TypeScript-first framework with structured services for enterprise-grade SPAs.

Gatsby logo

Gatsby

React-powered static site generator with blazing performance and rich data layer.

Nuxt logo

Nuxt.js

Vue framework for SSR and static generation with automatic routing and SEO tooling.

Traditional Mode

Default

Serve fully rendered HTML with Parsley templates while keeping APIs opt-in.

  • HTML rendered server-side—ideal for managed sites.
  • Instant and GraphQL APIs stay off until explicitly enabled.
  • CORS denies external requests unless configured.

Headless Mode

JSON-first

Every route returns hydrated JSON for frameworks like Next.js or Nuxt.

  • All content routes respond with structured JSON.
  • Headless routing at /-/headless/ with meta data.
  • Instant and GraphQL APIs enabled with open CORS for integrations.

Hybrid Mode

Best of both

Render HTML by default while exposing JSON with query parameters.

  • HTML routes stay intact for marketing teams.
  • Append ?toJSON to fetch hydrated objects.
  • Headless routing and APIs stay active for omnichannel delivery.
Your content, delivered your way

APIs tailored to every use case.

REST, GraphQL, and instant JSON APIs keep every channel fueled with the right payloads. Manage authentication, rate limiting, and endpoint visibility from a single control pane.

  • Full control over endpoint availability, schema exposure, and regional delivery.
  • Role-based governance aligns developers, marketers, and partners.
  • Real-time observability keeps API performance and usage transparent.
Authenticated & rate-limited 
{
  "headless": {
    "mode": "hybrid",
    "authorization": "off",
    "headless_authorization": "off",
    "routing": {
      "about": "Individual resource endpoints with hydrated relationships for navigation and static generation.",
      "map": "https://hj5v68xn-dev.webengine.zesty.io/-/headless/routing.json"
    },
    "redirects": {
      "about": "Redirect definitions from the manager to mirror production rules.",
      "map": "https://hj5v68xn-dev.webengine.zesty.io/-/headless/redirects.json"
    },
    "instant": {
      "about": "Model-specific JSON endpoints for apps that hydrate on the client.",
      "map": "https://hj5v68xn-dev.webengine.zesty.io/-/instant/",
      "documentation": "https://zesty.org/apis/instant-content-api"
    },
    "gql": {
      "about": "Flat object endpoints to power GraphQL servers or composable layouts.",
      "map": "https://hj5v68xn-dev.webengine.zesty.io/-/gql/",
      "documentation": "https://zesty.org/apis/graphql"
    },
    "design": {
      "about": "Style variables for CSS or component controls.",
      "map": "https://hj5v68xn-dev.webengine.zesty.io/-/headless/style-variables.json"
    },
    "custom": {
      "about": "Build fully hydrated JSON, XML, or HTML with Parsley.",
      "documentation": "https://zesty.org/guides/how-to-create-a-customizable-json-endpoint-for-content"
    },
    "instances-api": {
      "about": "Read/Write REST API secured by user or developer auth tokens.",
      "documentation": "https://zesty.org/apis/instances-api"
    }
  }
}
{
  "generation_time": "1761772003",
  "base": "https://hj5v68xn-dev.webengine.zesty.io",
  "schema": "https://hj5v68xn-dev.webengine.zesty.io/-/gql/zesty.schema",
  "dataSource": "https://hj5v68xn-dev.webengine.zesty.io/-/gql/datasource.js",
  "resolverObject": "https://hj5v68xn-dev.webengine.zesty.io/-/gql/resolvers.js",
  "models": [
    {
      "zuid": "6-fec497dbd2-9gllrp",
      "label": "Review Block",
      "name": "review_block",
      "gqlModelName": "ReviewBlock",
      "gqlUrl": "https://hj5v68xn-dev.webengine.zesty.io/-/gql/review_block.json",
      "gqlGetMethodName": "getReviewBlock",
      "gqlGetAllMethodName": "getAllReviewBlocks",
      "fields": {
        "og_image": "images",
        "title": "text"
      }
    },
    {
      "zuid": "6-889b86d3e7-59393m",
      "label": "Form Capture",
      "name": "form_capture",
      "gqlModelName": "FormCapture",
      "gqlUrl": "https://hj5v68xn-dev.webengine.zesty.io/-/gql/form_capture.json",
      "gqlGetMethodName": "getFormCapture",
      "gqlGetAllMethodName": "getAllFormCaptures",
      "fields": {
        "og_image": "images",
        "form_title": "text",
        "form_title_byline": "text",
        "opening_statement": "text",
        "opening_title": "text"
      }
    }
  ]
}
Enterprise-grade API governance

Security, observability, and control.

Regulate how teams consume content with first-class governance. Rate limiting, key rotation, and detailed analytics keep integrations compliant without slowing them down.

Auth built in

Token-based auth, IP allowlists, and per-environment keys keep access in check.

Real-time analytics

Monitor usage trends, latency, and error rates for every endpoint.

RESTful + GraphQL

Serve RESTful endpoints or GraphQL schemas with shared content governance.

Roles & permissions

Scope API powers to the teams that need them, no more and no less.

What customers unlock

  • Scalable delivery for sites, mobile apps, digital signage, and IoT.
  • Consistent content modeling across environments and geographies.
  • Rapid prototyping with instant endpoints, then graduate to hardened APIs.
  • Integrate with CI/CD pipelines and automated testing through RESTful calls.

Ready to ship your next headless experience?

Unify API governance, accelerate integrations, and give every team the flexibility they need inside Content.One.

Talk to an expert Take the product tour

Read about Customers who've leveraged APIs an Headless from Content.One

JackPocket by DraftKings background

JackPocket by DraftKings

Jackpocket by DraftKings: A Convenient and Secure Way to Play the Lottery Online...

Petdesk background

Petdesk

Petdesk is a booking application for veterinarian practices....

Cornershop by Uber background

Cornershop by Uber

Cornershop by Uber is a convenient grocery delivery service that allows customers to easily order groceries from their favorite local...

Rocket League background

Rocket League

Rocket League is a popular vehicular soccer video game developed and published by Psyonix. The player base size of Rocket...

Free Consultation with Content.One

Book a free consultation call with one of our experts and get help with your next moves. It's always good to talk to an expert. It's free!

  • Not sure which technology to choose?
  • Need advice on the next steps?
  • Hesitating on how to plan the execution?
Avatar
Todd Sabo
VP of Growth growth@content.one
Please enter firstname.
Please enter lastname.
Please enter email.
Please enter company.