# With API Preview

> A hero pairing a headline and CTA with a live API request and response preview. Built for developer tools and platforms aimed at technical buyers.

A shadcn/ui block from the [@shadcn-ui-blocks](https://www.shadcn-ui-blocks.com) registry, listed on [shadcn.exchange](https://shadcn.exchange/r/shadcn-ui-blocks/marketing-hero-sections-with-api-preview).

- Page, with a live preview: https://shadcn.exchange/r/shadcn-ui-blocks/marketing-hero-sections-with-api-preview
- Screenshot: https://abzjhwgwpdpz7ua5.public.blob.vercel-storage.com/shots/shadcn-ui-blocks/marketing-hero-sections-with-api-preview-light-ea94613dc4038755.png
- Registry item: https://www.shadcn-ui-blocks.com/r/marketing-hero-sections-with-api-preview.json
- Listed: 2026-10-13, source last changed 2026-10-13

## Install

```bash
npx shadcn@latest add https://www.shadcn-ui-blocks.com/r/marketing-hero-sections-with-api-preview.json
```

Run it in a project that has shadcn/ui set up. It adds the files below and installs what they depend on.

## Dependencies

- npm packages: `class-variance-authority`, `radix-ui`

## Files

### `components/blocks/marketing/hero-sections/with-api-preview.tsx`

```tsx
import { Button } from '@/components/ui/button';
import { Badge } from '@/components/ui/badge';
import { Card } from '@/components/ui/card';
import { useState } from 'react';

export default function HeroSectionWithApiPreview() {
  const [selectedLanguage, setSelectedLanguage] = useState('curl');

  const codeExamples = {
    curl: `curl -X POST https://api.example.com/v1/users \\
  -H "Authorization: Bearer YOUR_API_KEY" \\
  -H "Content-Type: application/json" \\
  -d '{
    "name": "John Doe",
    "email": "john@example.com",
    "plan": "pro"
  }'`,
    python: `import requests

response = requests.post(
    'https://api.example.com/v1/users',
    headers={
        'Authorization': 'Bearer YOUR_API_KEY',
        'Content-Type': 'application/json'
    },
    json={
        'name': 'John Doe',
        'email': 'john@example.com',
        'plan': 'pro'
    }
)

print(response.json())`,
    javascript: `fetch('https://api.example.com/v1/users', {
  method: 'POST',
  headers: {
    'Authorization': 'Bearer YOUR_API_KEY',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    name: 'John Doe',
    email: 'john@example.com',
    plan: 'pro'
  })
})
.then(response => response.json())
.then(data => console.log(data))`,
  };

  const endpoints = [
    {
      method: 'GET',
      path: '/users',
      description: 'List all users',
    },
    {
      method: 'POST',
      path: '/users',
      description: 'Create a new user',
    },
    {
      method: 'PUT',
      path: '/users/{id}',
      description: 'Update user details',
    },
  ];

  return (
    <>
      {/* Hero */}
      <div className="">
        <div className="relative">
          {/* Background pattern */}
          <div className="absolute inset-0 -z-10 h-full w-full">
            <div className="absolute h-full w-full bg-[linear-gradient(to_right,#80808012_1px,transparent_1px),linear-gradient(to_bottom,#80808012_1px,transparent_1px)] bg-[size:24px_24px]"></div>
            <div className="absolute top-0 right-0 bottom-0 left-0 bg-[radial-gradient(circle_800px_at_100%_200px,rgba(120,119,198,0.1),transparent)]"></div>
          </div>

          <div className="container mx-auto px-4 py-24 md:px-6 lg:py-32 2xl:max-w-[1400px]">
            <div className="mx-auto mb-16 max-w-3xl text-center">
              <Badge variant="outline" className="mb-4">
                REST API
              </Badge>
              <h1 className="mb-4 scroll-m-20 text-4xl font-extrabold tracking-tight lg:text-5xl">
                Powerful API, simple integration
              </h1>
              <p className="text-muted-foreground mb-8 text-xl">
                Build anything with our well-documented API. Get started in
                minutes with our comprehensive guides and examples.
              </p>
              <div className="flex flex-col justify-center gap-3 sm:flex-row">
                <Button size="lg">
                  View Documentation
                  <svg
                    xmlns="http://www.w3.org/2000/svg"
                    width="24"
                    height="24"
                    viewBox="0 0 24 24"
                    fill="none"
                    stroke="currentColor"
                    strokeWidth="2"
                    strokeLinecap="round"
                    strokeLinejoin="round"
                    className="ml-2 h-4 w-4"
                  >
                    <path d="M5 12h14" />
                    <path d="m12 5 7 7-7 7" />
                  </svg>
                </Button>
                <Button size="lg" variant="outline">
                  Get API Key
                </Button>
              </div>
            </div>

            {/* API Preview */}
            <div className="mx-auto max-w-5xl">
              <Card className="border-2">
                {/* API Header */}
                <div className="flex flex-col items-center justify-between gap-4 border-b p-4 sm:flex-row">
                  <div className="flex items-center gap-3">
                    <div className="flex gap-2">
                      <div className="h-3 w-3 rounded-full bg-red-500" />
                      <div className="h-3 w-3 rounded-full bg-yellow-500" />
                      <div className="h-3 w-3 rounded-full bg-green-500" />
                    </div>
                    <div className="font-mono text-sm">api.example.com</div>
                  </div>
                  <div className="flex items-center gap-2">
                    {['curl', 'python', 'javascript'].map((lang) => (
                      <Button
                        key={lang}
                        variant={
                          selectedLanguage === lang ? 'default' : 'outline'
                        }
                        size="sm"
                        onClick={() => setSelectedLanguage(lang)}
                      >
                        {lang.charAt(0).toUpperCase() + lang.slice(1)}
                      </Button>
                    ))}
                  </div>
                </div>

                <div className="grid lg:grid-cols-2">
                  {/* Code Example */}
                  <div className="bg-muted/50 border-r p-4">
                    <pre className="font-mono text-sm whitespace-pre-wrap">
                      <code>
                        {
                          codeExamples[
                            selectedLanguage as keyof typeof codeExamples
                          ]
                        }
                      </code>
                    </pre>
                  </div>

                  {/* Response Preview */}
                  <div className="p-4">
                    <div className="mb-4 font-mono text-sm text-green-500">
                      {'// Response 200 OK'}
                    </div>
                    <pre className="font-mono text-sm whitespace-pre-wrap">
                      <code>
                        {JSON.stringify(
                          {
                            id: 'usr_123',
                            name: 'John Doe',
                            email: 'john@example.com',
                            plan: 'pro',
                            created_at: '2024-02-28T09:00:00Z',
                          },
                          null,
                          2
                        )}
                      </code>
                    </pre>
                  </div>
                </div>
              </Card>

              {/* API Endpoints */}
              <div className="mt-8 grid gap-4">
                {endpoints.map((endpoint) => (
                  <Card
                    key={`${endpoint.path}-${endpoint.method}`}
                    className="p-4"
                  >
                    <div className="flex items-center gap-4">
                      <Badge
                        variant={
                          endpoint.method === 'GET'
                            ? 'outline'
                            : endpoint.method === 'POST'
                              ? 'default'
                              : 'secondary'
                        }
                        className="w-16 justify-center"
                      >
                        {endpoint.method}
                      </Badge>
                      <code className="font-mono text-sm">{endpoint.path}</code>
                      <p className="text-muted-foreground text-sm">
                        {endpoint.description}
                      </p>
                    </div>
                  </Card>
                ))}
              </div>

              {/* Features */}
              <div className="mt-12 grid gap-6 md:grid-cols-3">
                <Card className="p-6">
                  <div className="bg-primary/10 mb-4 flex h-12 w-12 items-center justify-center rounded-lg">
                    <svg
                      xmlns="http://www.w3.org/2000/svg"
                      width="24"
                      height="24"
                      viewBox="0 0 24 24"
                      fill="none"
                      stroke="currentColor"
                      strokeWidth="2"
                      strokeLinecap="round"
                      strokeLinejoin="round"
                      className="text-primary"
                    >
                      <path d="m12 3-1.912 5.813a2 2 0 0 1-1.275 1.275L3 12l5.813 1.912a2 2 0 0 1 1.275 1.275L12 21l1.912-5.813a2 2 0 0 1 1.275-1.275L21 12l-5.813-1.912a2 2 0 0 1-1.275-1.275L12 3Z" />
                    </svg>
                  </div>
                  <h3 className="mb-2 font-semibold">RESTful API</h3>
                  <p className="text-muted-foreground text-sm">
                    Simple and intuitive REST API following industry standards
                  </p>
                </Card>
                <Card className="p-6">
                  <div className="bg-primary/10 mb-4 flex h-12 w-12 items-center justify-center rounded-lg">
                    <svg
                      xmlns="http://www.w3.org/2000/svg"
                      width="24"
                      height="24"
                      viewBox="0 0 24 24"
                      fill="none"
                      stroke="currentColor"
                      strokeWidth="2"
                      strokeLinecap="round"
                      strokeLinejoin="round"
                      className="text-primary"
                    >
                      <path d="M12 2v20" />
                      <path d="M17 5H9.5a3.5 3.5 0 0 0 0 7h5a3.5 3.5 0 0 1 0 7H6" />
                    </svg>
                  </div>
                  <h3 className="mb-2 font-semibold">Rate Limiting</h3>
                  <p className="text-muted-foreground text-sm">
                    Generous rate limits with clear headers and documentation
                  </p>
                </Card>
                <Card className="p-6">
                  <div className="bg-primary/10 mb-4 flex h-12 w-12 items-center justify-center rounded-lg">
                    <svg
                      xmlns="http://www.w3.org/2000/svg"
                      width="24"
                      height="24"
                      viewBox="0 0 24 24"
                      fill="none"
                      stroke="currentColor"
                      strokeWidth="2"
                      strokeLinecap="round"
                      strokeLinejoin="round"
                      className="text-primary"
                    >
                      <path d="M12 22s8-4 8-10V5l-8-3-8 3v7c0 6 8 10 8 10" />
                    </svg>
                  </div>
                  <h3 className="mb-2 font-semibold">Authentication</h3>
                  <p className="text-muted-foreground text-sm">
                    Secure API key and OAuth2 authentication methods
                  </p>
                </Card>
              </div>
            </div>
          </div>
        </div>
      </div>
      {/* End Hero */}
    </>
  );
}
```

### `components/ui/button.tsx`

```tsx
import * as React from "react"
import { cva, type VariantProps } from "class-variance-authority"
import { Slot } from "radix-ui"

import { cn } from "@/lib/utils"

const buttonVariants = cva(
  "group/button inline-flex shrink-0 items-center justify-center rounded-md border border-transparent bg-clip-padding text-sm font-medium whitespace-nowrap transition-all outline-none select-none focus-visible:border-ring focus-visible:ring-3 focus-visible:ring-ring/50 active:not-aria-[haspopup]:translate-y-px disabled:pointer-events-none disabled:opacity-50 aria-invalid:border-destructive aria-invalid:ring-3 aria-invalid:ring-destructive/20 dark:aria-invalid:border-destructive/50 dark:aria-invalid:ring-destructive/40 [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4",
  {
    variants: {
      variant: {
        default: "bg-primary text-primary-foreground hover:bg-primary/80",
        outline:
          "border-border bg-background shadow-xs hover:bg-muted hover:text-foreground aria-expanded:bg-muted aria-expanded:text-foreground dark:border-input dark:bg-input/30 dark:hover:bg-input/50",
        secondary:
          "bg-secondary text-secondary-foreground hover:bg-secondary/80 aria-expanded:bg-secondary aria-expanded:text-secondary-foreground",
        ghost:
          "hover:bg-muted hover:text-foreground aria-expanded:bg-muted aria-expanded:text-foreground dark:hover:bg-muted/50",
        destructive:
          "bg-destructive/10 text-destructive hover:bg-destructive/20 focus-visible:border-destructive/40 focus-visible:ring-destructive/20 dark:bg-destructive/20 dark:hover:bg-destructive/30 dark:focus-visible:ring-destructive/40",
        link: "text-primary underline-offset-4 hover:underline",
      },
      size: {
        default:
          "h-9 gap-1.5 px-2.5 in-data-[slot=button-group]:rounded-md has-data-[icon=inline-end]:pr-2 has-data-[icon=inline-start]:pl-2",
        xs: "h-6 gap-1 rounded-[min(var(--radius-md),8px)] px-2 text-xs in-data-[slot=button-group]:rounded-md has-data-[icon=inline-end]:pr-1.5 has-data-[icon=inline-start]:pl-1.5 [&_svg:not([class*='size-'])]:size-3",
        sm: "h-8 gap-1 rounded-[min(var(--radius-md),10px)] px-2.5 in-data-[slot=button-group]:rounded-md has-data-[icon=inline-end]:pr-1.5 has-data-[icon=inline-start]:pl-1.5",
        lg: "h-10 gap-1.5 px-2.5 has-data-[icon=inline-end]:pr-2 has-data-[icon=inline-start]:pl-2",
        icon: "size-9",
        "icon-xs":
          "size-6 rounded-[min(var(--radius-md),8px)] in-data-[slot=button-group]:rounded-md [&_svg:not([class*='size-'])]:size-3",
        "icon-sm":
          "size-8 rounded-[min(var(--radius-md),10px)] in-data-[slot=button-group]:rounded-md",
        "icon-lg": "size-10",
      },
    },
    defaultVariants: {
      variant: "default",
      size: "default",
    },
  }
)

function Button({
  className,
  variant = "default",
  size = "default",
  asChild = false,
  ...props
}: React.ComponentProps<"button"> &
  VariantProps<typeof buttonVariants> & {
    asChild?: boolean
  }) {
  const Comp = asChild ? Slot.Root : "button"

  return (
    <Comp
      data-slot="button"
      data-variant={variant}
      data-size={size}
      className={cn(buttonVariants({ variant, size, className }))}
      {...props}
    />
  )
}

export { Button, buttonVariants }
```

### `components/ui/badge.tsx`

```tsx
import * as React from "react"
import { cva, type VariantProps } from "class-variance-authority"
import { Slot } from "radix-ui"

import { cn } from "@/lib/utils"

const badgeVariants = cva(
  "group/badge inline-flex h-5 w-fit shrink-0 items-center justify-center gap-1 overflow-hidden rounded-4xl border border-transparent px-2 py-0.5 text-xs font-medium whitespace-nowrap transition-all focus-visible:border-ring focus-visible:ring-[3px] focus-visible:ring-ring/50 has-data-[icon=inline-end]:pr-1.5 has-data-[icon=inline-start]:pl-1.5 aria-invalid:border-destructive aria-invalid:ring-destructive/20 dark:aria-invalid:ring-destructive/40 [&>svg]:pointer-events-none [&>svg]:size-3!",
  {
    variants: {
      variant: {
        default: "bg-primary text-primary-foreground [a]:hover:bg-primary/80",
        secondary:
          "bg-secondary text-secondary-foreground [a]:hover:bg-secondary/80",
        destructive:
          "bg-destructive/10 text-destructive focus-visible:ring-destructive/20 dark:bg-destructive/20 dark:focus-visible:ring-destructive/40 [a]:hover:bg-destructive/20",
        outline:
          "border-border text-foreground [a]:hover:bg-muted [a]:hover:text-muted-foreground",
        ghost:
          "hover:bg-muted hover:text-muted-foreground dark:hover:bg-muted/50",
        link: "text-primary underline-offset-4 hover:underline",
      },
    },
    defaultVariants: {
      variant: "default",
    },
  }
)

function Badge({
  className,
  variant = "default",
  asChild = false,
  ...props
}: React.ComponentProps<"span"> &
  VariantProps<typeof badgeVariants> & { asChild?: boolean }) {
  const Comp = asChild ? Slot.Root : "span"

  return (
    <Comp
      data-slot="badge"
      data-variant={variant}
      className={cn(badgeVariants({ variant }), className)}
      {...props}
    />
  )
}

export { Badge, badgeVariants }
```

### `components/ui/card.tsx`

```tsx
import * as React from "react"

import { cn } from "@/lib/utils"

function Card({
  className,
  size = "default",
  ...props
}: React.ComponentProps<"div"> & { size?: "default" | "sm" }) {
  return (
    <div
      data-slot="card"
      data-size={size}
      className={cn(
        "group/card flex flex-col gap-6 overflow-hidden rounded-xl bg-card py-6 text-sm text-card-foreground shadow-xs ring-1 ring-foreground/10 has-[>img:first-child]:pt-0 data-[size=sm]:gap-4 data-[size=sm]:py-4 *:[img:first-child]:rounded-t-xl *:[img:last-child]:rounded-b-xl",
        className
      )}
      {...props}
    />
  )
}

function CardHeader({ className, ...props }: React.ComponentProps<"div">) {
  return (
    <div
      data-slot="card-header"
      className={cn(
        "group/card-header @container/card-header grid auto-rows-min items-start gap-1 rounded-t-xl px-6 group-data-[size=sm]/card:px-4 has-data-[slot=card-action]:grid-cols-[1fr_auto] has-data-[slot=card-description]:grid-rows-[auto_auto] [.border-b]:pb-6 group-data-[size=sm]/card:[.border-b]:pb-4",
        className
      )}
      {...props}
    />
  )
}

function CardTitle({ className, ...props }: React.ComponentProps<"div">) {
  return (
    <div
      data-slot="card-title"
      className={cn(
        "font-heading text-base leading-normal font-medium group-data-[size=sm]/card:text-sm",
        className
      )}
      {...props}
    />
  )
}

function CardDescription({ className, ...props }: React.ComponentProps<"div">) {
  return (
    <div
      data-slot="card-description"
      className={cn("text-sm text-muted-foreground", className)}
      {...props}
    />
  )
}

function CardAction({ className, ...props }: React.ComponentProps<"div">) {
  return (
    <div
      data-slot="card-action"
      className={cn(
        "col-start-2 row-span-2 row-start-1 self-start justify-self-end",
        className
      )}
      {...props}
    />
  )
}

function CardContent({ className, ...props }: React.ComponentProps<"div">) {
  return (
    <div
      data-slot="card-content"
      className={cn("px-6 group-data-[size=sm]/card:px-4", className)}
      {...props}
    />
  )
}

function CardFooter({ className, ...props }: React.ComponentProps<"div">) {
  return (
    <div
      data-slot="card-footer"
      className={cn(
        "flex items-center rounded-b-xl px-6 group-data-[size=sm]/card:px-4 [.border-t]:pt-6 group-data-[size=sm]/card:[.border-t]:pt-4",
        className
      )}
      {...props}
    />
  )
}

export {
  Card,
  CardHeader,
  CardFooter,
  CardTitle,
  CardAction,
  CardDescription,
  CardContent,
}
```