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Zero-UI Spec Generator
Zero-UI Spec Generator is a paid API for AI agents from zero-ui-service.andrew-228.workers.dev, paid per call via MPP, price unknown, status unknown (last checked 2026-10-28).
Generates a JSON UI spec composed from zeroclick-ui components based on a natural-language intent, suitable for live rendering.
Price / call—
Success—
StatusUnknown
How this service works
Returns a JSON spec composed from zeroclick-ui components, suitable for live rendering. Free service — no payment required.
Output
A JSON object with a 'root' property describing the component tree (component name, props, children, text), plus optional 'notes', 'imports', and 'tokens.needs' arrays that indicate what UI tokens or imports are required for live rendering.
Example use cases
Build user onboarding wizard
“Create a zeroclick-ui spec for a multi-step onboarding flow that walks new users through account setup, profile customization, and preference configuration. Make it feel friendly and progress-focused with a completion tracker.”
Generate a settings panel layout
“I need a zeroclick-ui JSON spec for a settings dashboard where users can manage notifications, privacy controls, and account details. Use sections and toggles to organize everything logically.”
Compose a data entry form dynamically
“Generate a zeroclick-ui spec for a customer feedback form with fields for rating, feedback text, contact info, and an optional follow-up checkbox. Keep it clean and include helpful placeholder text.”
Technical details
Endpoint
POSThttps://zero-ui-service.andrew-228.workers.dev/v1/ui?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need to programmatically generate a renderable UI component tree from a natural-language description using the zeroclick-ui component system. Ideal for AI agents that need to dynamically construct UI screens, forms, or wizards on the fly without hand-coding component structures. Best when the consuming system already supports zeroclick-ui rendering.
Side effects
- Missing required 'intent' field returns a validation error
- Intent string of length 0 is rejected by minLength constraint
- Malformed context object may cause unexpected output or error
- Unrecognized component types in intent may result in generic fallback UI
- Service unavailable returns a non-200 response from the Cloudflare Worker
Input
{
"format": "json",
"intent": "create-user-onboarding-flow",
"context": {
"appName": "Analytics Dashboard",
"userRole": "analyst",
"onboardingSteps": [
"profile-setup",
"data-source-connection",
"dashboard-customization"
]
},
"history": []
}Schema · Request body
{
"definitions": {
"GenerateRequest": {
"type": "object",
"required": [
"intent"
],
"properties": {
"format": {
"enum": [
"json"
],
"type": "string",
"default": "json"
},
"intent": {
"type": "string",
"minLength": 1,
"description": "Short identifier for the requested UI shape, e.g. 'elicit-project-requirements' or a free-form natural-language request."
},
"context": {
"type": "object",
"description": "Arbitrary content/data the UI should incorporate (text, image URLs, prior selections, etc).",
"additionalProperties": {}
},
"history": {
"type": "array",
"items": {
"type": "object",
"required": [
"type"
],
"properties": {
"type": {
"type": "string"
},
"payload": {
"type": "object",
"additionalProperties": {}
}
},
"additionalProperties": false
},
"description": "Prior user actions in this session, oldest first."
}
},
"additionalProperties": false
}
}
}Output
{
"root": {
"props": {
"gap": "xl"
},
"children": [
{
"props": {
"gap": "md",
"align": "start"
},
"children": [
{
"text": "Get started with Analytics Dashboard",
"props": {
"size": "display-sm",
"weight": "semibold"
},
"component": "Text"
},
{
"text": "Complete these steps to set up your account and start analyzing your data.",
"props": {
"size": "text-md",
"color": "tertiary"
},
"component": "Text"
}
],
"component": "Stack"
},
{
"props": {
"type": "icons-centered",
"steps": [
{
"title": "Profile setup",
"description": "Create your analyst profile"
},
{
"title": "Data source connection",
"description": "Connect your data sources"
},
{
"title": "Dashboard customization",
"description": "Customize your dashboard"
}
],
"currentStep": 0
},
"component": "ProgressSteps"
},
{
"props": {
"radius": "lg",
"padding": "xl"
},
"children": [
{
"props": {
"gap": "lg"
},
"children": [
{
"props": {
"gap": "sm",
"align": "start"
},
"children": [
{
"text": "Step 1: Profile setup",
"props": {
"size": "text-md",
"weight": "semibold"
},
"component": "Text"
},
{
"text": "Tell us about yourself to personalize your analytics experience.",
"props": {
"size": "text-sm",
"color": "tertiary"
},
"component": "Text"
}
],
"component": "Stack"
},
{
"props": {
"gap": "lg"
},
"children": [
{
"props": {
"name": "firstName",
"label": "First name",
"required": true,
"placeholder": "Olivia"
},
"component": "Input"
},
{
"props": {
"name": "lastName",
"label": "Last name",
"required": true,
"placeholder": "Rhye"
},
"component": "Input"
},
{
"props": {
"name": "email",
"type": "email",
"label": "Email address",
"required": true,
"placeholder": "olivia@company.com"
},
"component": "Input"
},
{
"props": {
"name": "role",
"label": "Role",
"options": [
{
"label": "Data Analyst",
"value": "analyst"
},
{
"label": "Business Analyst",
"value": "business"
},
{
"label": "Product Manager",
"value": "product"
},
{
"label": "Other",
"value": "other"
}
],
"required": true
},
"component": "Select"
}
],
"component": "Stack"
}
],
"component": "Stack"
}
],
"component": "Container"
},
{
"props": {
"icon": {
"component": "FeaturedIcon"
},
"color": "brand",
"title": "Welcome to your onboarding",
"variant": "floating",
"description": "Follow each step to get your analytics dashboard ready. You can always update your settings later."
},
"component": "Alert"
},
{
"props": {
"gap": "md",
"justify": "end",
"direction": "horizontal"
},
"children": [
{
"text": "Back",
"props": {
"variant": "secondary"
},
"component": "Button"
},
{
"text": "Continue to next step",
"props": {
"onClick": {
"action": "proceed-to-data-source"
},
"variant": "primary"
},
"component": "Button"
}
],
"component": "Stack"
}
],
"component": "Stack"
},
"notes": "Multi-step onboarding flow for Analytics Dashboard. Step 1 (profile-setup) displayed with form inputs for name, email, and role. ProgressSteps component tracks position across three steps. Alert provides contextual guidance. Next step will advance to data-source-connection with connection form and progress update to currentStep=1. Final step will show dashboard-customization UI with customization options and a 'Complete setup' primary button. All form submissions wire back to orchestrator via action names.",
"tokens": {
"needs": []
},
"imports": [
"Stack",
"Text",
"Container",
"Input",
"Select",
"Button",
"ProgressSteps",
"Alert",
"FeaturedIcon"
]
}Schema · Response
{
"definitions": {
"UISpec": {
"type": "object",
"required": [
"root"
],
"properties": {
"root": {
"type": "object",
"required": [
"component"
],
"properties": {
"text": {
"type": "string"
},
"props": {
"type": "object",
"additionalProperties": {}
},
"children": {
"type": "array",
"items": {
"$ref": "#/definitions/UISpec/properties/root"
}
},
"component": {
"type": "string"
}
},
"additionalProperties": false
},
"notes": {
"type": "string"
},
"tokens": {
"type": "object",
"properties": {
"needs": {
"type": "array",
"items": {
"type": "string"
},
"default": []
}
},
"additionalProperties": false
},
"imports": {
"type": "array",
"items": {
"type": "string"
},
"default": []
}
},
"additionalProperties": false
}
}
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