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API Gateway Landing Page V0 Template: The Developer-Product Playbook

The API Gateway Landing Page template delivers a full developer-product marketing layout on Next.js, Tailwind CSS, and shadcn/ui. You get a code-terminal hero, animated feature grid, tiered pricing section, and a live stats bar — all Framer Motion animated. The prompt pack wires the waitlist CTA to Supabase, adds Stripe checkout to the pricing cards, and protects the dashboard with Clerk auth.

Landing PageIntermediate~5 minutes

Best for

Developer-tool companies and API platforms that need a technical yet visually polished marketing page — hero, feature highlights, code snippet previews, and pricing in one layout.

Stack

Next.jsTailwind CSSshadcn/uiFramer MotionLucide React

A ready-made API Gateway Landing Page UI you can fork, run, and customize with the prompt pack below.

What's actually inside

The honest engineer's breakdown — what the API Gateway Landing Pagetemplate does, how it's wired, and where it's opinionated.

The API Gateway Landing Page template is a complete developer-product marketing layout built for teams that need to convert technically-minded visitors. The page opens with a HeroSection: full-width headline, sub-headline, primary CTA button, and a CodeSnippetBlock styled as a dark terminal window that shows a real API call with a rate-limit header and latency field. That terminal is the highest-value section for a developer audience — it signals technical credibility above the fold before anyone reads a feature list.

Below the hero, a FeatureGrid presents gateway capabilities (rate limiting, auth, caching, routing) in a 3-column card layout with Lucide icons and 2-line descriptions. A StatsBar row follows with large numeral metrics — latency, uptime, requests served — animated with Framer Motion's useInView count-up. The PricingSection closes the main content with Free, Pro, and Enterprise tiers, each card carrying a feature checklist and per-tier CTA. NavBar handles top navigation with a 'Get API Key' button, and FooterSection wraps social links and legal.

Honest caveat: the PricingSection CTA buttons are wired to static href values by default — they are not connected to Stripe or any backend. If V0's agent modifies adjacent components in the same file, it can silently strip onClick handlers from those buttons (see Gotchas). Check PricingSection after every AI-assisted edit.

Key UI components

HeroSection

Full-width section with headline, sub-headline, primary CTA, and the CodeSnippetBlock terminal.

FeatureGrid

3-column card layout covering gateway capabilities — each card has a Lucide icon, title, and 2-line description.

CodeSnippetBlock

Syntax-highlighted API call example styled as a terminal window using a shadcn/ui Card.

PricingSection

Tiered pricing cards (Free / Pro / Enterprise) with feature checklists and per-tier CTA buttons.

StatsBar

Horizontal row of key metrics styled as large numerals — latency, uptime, requests served.

NavBar

Top navigation with logo, feature/pricing/docs links, and a 'Get API Key' button.

FooterSection

Footer with links, legal text, and social icons.

Libraries it leans on

framer-motion

Entrance animations on hero text, FeatureGrid cards (fade-up on scroll), and StatsBar count-up.

shadcn/ui

Card, Button, Badge — structural UI atoms used throughout FeatureGrid, PricingSection, and the CodeSnippetBlock wrapper.

Lucide React

Icons in FeatureGrid capability cards and NavBar.

Fork it and get it running

Forking the API Gateway Landing Page template takes about five minutes in your browser. You will have a live .vercel.app URL before the CodeSnippetBlock's demo API endpoint has time to look dated.

1

Open the template in V0

Go to https://v0.dev/chat/community/8gVicW63Qno in your browser. The preview shows the full page — Hero with CodeSnippetBlock terminal, FeatureGrid, StatsBar, and PricingSection. Scroll through each section to get a feel for the layout before you fork.

Tip: Click the full-screen icon on the preview to see the desktop layout at full width.

You should see: All five main sections — Hero, FeatureGrid, StatsBar, PricingSection, NavBar — render without errors in the V0 preview.

2

Fork the project

Click the Fork button in the V0 editor toolbar. V0 creates a personal copy of the project attached to your account and opens it in the chat interface. The full codebase is now yours — edits you make are isolated from the community original.

You should see: V0 displays your forked project with a new project name in the header and the full editor available.

3

Update copy and brand in Design Mode

Press Option+D (Mac) to enter Design Mode. Click the hero headline, sub-headline, and the CodeSnippetBlock API URL to update them to your product's copy and endpoint. Change the primary brand color from the Themes panel. None of these changes consume V0 credits.

Tip: Edit the CodeSnippetBlock terminal text first — it's the most credibility-building element for a developer audience.

You should see: Hero headline, CodeSnippetBlock endpoint, and brand color are updated without spending any credits.

4

Add backend environment variables

If you plan to wire the 'Get API Key' button to a real endpoint, open the Vars panel in the V0 sidebar and add your backend API URL as NEXT_PUBLIC_API_BASE_URL. For Stripe or Supabase integrations (see prompt pack below), add those keys here too. For a purely static marketing page, skip this step.

You should see: Environment variables saved in the Vars panel are automatically injected into the deployed build.

5

Publish to production

Click Share in the top-right of the V0 editor, open the Publish tab, and click 'Publish to Production'. The deployment finishes in under 60 seconds. V0 returns a live .vercel.app URL you can share immediately with your team or prospective users.

You should see: A live .vercel.app URL is available; the CodeSnippetBlock, FeatureGrid, and PricingSection all render correctly in production.

6

Connect a custom domain

From the V0 project menu in the top-right corner, open the linked Vercel Dashboard. Go to Domains → Add domain, enter your domain name, and follow the DNS instruction screen for your registrar — typically a CNAME or A record. SSL is provisioned automatically. Once DNS propagates, your API gateway marketing page is live on your own domain.

You should see: Your custom domain resolves to the landing page with a valid SSL certificate and all Framer Motion animations playing correctly.

The prompt pack

Copy-paste these straight into v0's chat to customize the API Gateway Landing Pagetemplate. Each one names this template's own components — no generic filler.

1

Swap the demo endpoint in CodeSnippetBlock

Updates the CodeSnippetBlock terminal to show a realistic API call relevant to your product without touching any other section.

Quick win
Paste into v0 chat
Replace the placeholder API URL in the CodeSnippetBlock terminal with 'https://api.yourproduct.com/v1/gateway' and update the sample JSON response to show a realistic rate-limit header (X-RateLimit-Remaining: 98) and a latency field (response_time_ms: 42). Keep the same monospace font, dark terminal background, and the existing shadcn/ui Card wrapper styling.
2

Add a dark/light mode toggle to NavBar

Adds a dark/light mode toggle to NavBar using next-themes while keeping the CodeSnippetBlock terminal permanently dark.

Quick win
Paste into v0 chat
Add a shadcn/ui theme toggle button (sun/moon icon from Lucide React) to the NavBar, positioned to the left of the existing 'Get API Key' button. Wire it to next-themes so clicking it switches between dark and light modes site-wide. Ensure the CodeSnippetBlock terminal background stays dark in both modes by applying a hardcoded dark background class (e.g., bg-zinc-900) rather than a theme-aware color.
3

Animate StatsBar numbers on scroll with a count-up effect

Makes the StatsBar numbers count up from zero when the section scrolls into view, adding a compelling data-reveal effect without external libraries.

Medium
Paste into v0 chat
Use Framer Motion's useInView hook to trigger a count-up animation on each metric in the StatsBar when the section enters the viewport. Animate each number from 0 to its target value over 1.5 seconds using an ease-out curve. Set viewport={{ once: true }} so the animation only runs once per page load. The three metrics to animate are: latency (e.g., 12ms), uptime (e.g., 99.99%), and requests served (e.g., 10B+).
4

Connect 'Get API Key' CTA to a Supabase waitlist table

Turns the NavBar CTA into a real email waitlist: a modal form that persists submissions to Supabase with duplicate detection and user feedback via Toast.

Medium
Paste into v0 chat
Create a Supabase table named api_waitlist with columns: id (uuid), email (text, unique), created_at (timestamptz). Add a modal triggered by the NavBar 'Get API Key' button, containing an email input (shadcn/ui Input) and a submit button. On submit, POST to /api/waitlist route handler at app/api/waitlist/route.ts — it should insert the email into api_waitlist using the Supabase service role key (server-only, never exposed to the client). Return a 409 if the email already exists. Show a shadcn/ui Toast with a success message on 200 and a friendly error on 409. Store SUPABASE_URL and SUPABASE_SERVICE_ROLE_KEY in the Vars panel.
5

Wire PricingSection Pro tier to Stripe Checkout

Connects the PricingSection Pro CTA to a real Stripe Checkout session, handling the redirect flow from landing page to payment to dashboard.

Advanced
Paste into v0 chat
Wire the 'Pro' tier CTA button in PricingSection to a Stripe Checkout session. Create a route handler at /api/checkout (app/api/checkout/route.ts) that calls stripe.checkout.sessions.create() with the Pro plan price ID stored in the STRIPE_PRO_PRICE_ID env var. The handler should return the Checkout session URL; the client-side button onClick should redirect to that URL using window.location.href. Add STRIPE_SECRET_KEY to the Vars panel and NEXT_PUBLIC_STRIPE_PUBLISHABLE_KEY as a client-safe var. After successful payment, Stripe should redirect the user to /dashboard/welcome.
6

Protect /dashboard with Clerk auth

Adds Clerk auth to the project, protects the dashboard route, and makes the NavBar CTA route-aware based on authentication state.

Advanced
Paste into v0 chat
Install @clerk/nextjs and add ClerkProvider to the root layout. Configure clerkMiddleware in middleware.ts to protect all /dashboard/* routes — unauthenticated users should be redirected to the Clerk sign-in page. Update the NavBar 'Get API Key' button to check auth state: signed-in users go to /dashboard, unauthenticated users go to the Clerk sign-in page. Add NEXT_PUBLIC_CLERK_PUBLISHABLE_KEY and CLERK_SECRET_KEY to the Vars panel. Create a placeholder /dashboard/welcome page that shows the signed-in user's email address.

Gotchas when you extend it

The failures people actually hit when they push this template past its defaults — and the exact fix for each.

`ReferenceError: localStorage is not defined` at build time

Why: HeroSection or NavBar may persist user state (theme preference, last-visited tab) in localStorage, which is not available during Next.js SSR. The V0 preview sandbox does not catch this; Vercel deployment does.

Fix: Move all localStorage reads inside a useEffect hook; initialise the related state as null or undefined and sync after the component mounts.

Fix prompt — paste into v0
Fix all localStorage access in this project by moving reads into useEffect hooks. Initialize relevant state as null on first render and update after the effect runs. Add 'use client' to any Server Component file that contains localStorage references.
"The component at https://ui.shadcn.com/r/styles/new-york-v4/card.json was not found." when running `npx shadcn add` after local export

Why: The shadcn CLI version installed locally and the registry path V0 references (new-york-v4) can be misaligned, causing component installs to fail.

Fix: Download the project as a ZIP from V0 instead of running `npx shadcn add`; copy the Card, Button, and Badge source files directly from ui.shadcn.com into your local components/ui/ directory.

Fix prompt — paste into v0
Replace all failing npx shadcn add commands for this project with manually copied component files. Paste Card, Button, and Badge source from the shadcn/ui documentation into the correct components/ui/ paths and update any import statements that reference the wrong file name.
PricingSection CTA buttons lose their onClick handlers after V0 adds or modifies adjacent sections

Why: V0's agent can strip event handlers or reset prop values when modifying components in the same file as PricingSection, particularly when the agent regenerates a parent layout.

Fix: After any AI-assisted edit, inspect the Button components in PricingSection and verify their onClick props still point to the correct handler functions — not empty arrow functions.

Fix prompt — paste into v0
Audit all Button onClick props in PricingSection and NavBar after the last AI edit. Re-attach any handler that was removed or replaced with an empty arrow function. Restore the Stripe Checkout redirect on the Pro tier CTA and the waitlist modal trigger on the NavBar button.
Framer Motion whileInView animations do not trigger on Vercel production builds

Why: SSR pre-renders the end state of whileInView animations. Without viewport={{ once: true }}, the animation completes during hydration and produces a flash of invisible content on initial load.

Fix: Add initial={{ opacity: 0 }} on all motion.div wrappers in FeatureGrid and StatsBar, and set viewport={{ once: true }} so animations fire after hydration, not before.

Fix prompt — paste into v0
Add viewport={{ once: true }} to all whileInView motion.div animations in FeatureGrid and StatsBar to prevent SSR flash and ensure animations trigger correctly after the page hydrates in the browser.

Template vs. custom — the honest call

A forked template gets you far, fast. Here's where it holds up, and where you'll outgrow it.

The template is enough when

  • Early-stage API product that needs a launch page shipped in hours, not weeks.
  • Developer-facing SaaS with a straightforward pricing model of 2-3 tiers and fixed feature lists.
  • Pitch-deck companion page for investor demos or conference presentations.
  • Hackathon project or portfolio showcase where a code-terminal hero adds instant technical credibility.

Go custom when

  • Pricing is usage-based with metered billing that must display live consumption data from Stripe Billing.
  • You need a full documentation site with versioned API references — better handled by Mintlify or Nextra.
  • The gateway page must serve multiple product lines with separate hero flows and targeted messaging per audience.
  • A/B testing different CTAs requires experimentation infrastructure and analytics events beyond V0's scope.

When the API gateway page needs to go beyond static marketing — with Stripe metered billing, real usage dashboards, and a developer portal — RapidDev connects the V0 foundation to a production-ready backend without rebuilding the UI.

Frequently asked questions

Is the API Gateway Landing Page V0 template free to fork?

Yes. Community templates on v0.dev are free to fork. Forking itself uses a small number of your V0 plan credits. The template code has no licensing fee — you own the code in your forked project.

Can I use this template commercially for a paid API product?

Yes. V0 community templates are published under permissive terms that allow commercial use. Review the current v0.dev terms of service for the definitive statement, as licensing terms may evolve.

Why does my fork break in preview after I edit the PricingSection?

V0's agent can strip onClick handlers from PricingSection CTA buttons when it regenerates adjacent sections in the same file. After every AI edit, inspect the Button props in PricingSection — if any onClick is missing or replaced with an empty function, paste it back. The Gotchas section above includes a diagnostic prompt.

The Framer Motion animations don't play on the live Vercel site — what's wrong?

This is caused by missing viewport={{ once: true }} on whileInView motion.div wrappers. SSR pre-renders the end state, so animations complete before the page hydrates and the user never sees them. Use Prompt 3 in the pack above — it adds viewport={{ once: true }} to FeatureGrid and StatsBar automatically.

How do I connect the 'Get API Key' button to a real signup flow?

Prompt 4 in the pack wires the NavBar CTA to a Supabase waitlist table via a server-side route handler. If you want to go directly to auth instead of a waitlist, Prompt 6 adds Clerk so the button routes signed-in users to /dashboard and unauthenticated users to a sign-in page.

Can I add multiple pricing tiers with different Stripe products?

Yes. Extend Prompt 5: create separate /api/checkout endpoints for each tier (or pass a priceId query param to a single handler). Each PricingSection tier button passes its corresponding STRIPE_*_PRICE_ID env var to the checkout session creator.

Can RapidDev build out the full developer portal behind this landing page?

Yes. RapidDev specialises in extending V0 prototypes into production — adding metered Stripe billing, usage dashboards, API key management, and a developer portal layer on top of the design you already have from this template.

The CodeSnippetBlock shows a generic endpoint — how do I make it look like my real API?

Use Prompt 1 in the pack: it replaces the placeholder URL with your product's endpoint and updates the JSON response to show realistic rate-limit and latency fields. No credits are consumed if you make the text edit directly in Design Mode, but Prompt 1 gives V0 context to keep the terminal styling intact.

Outgrowing the template?

RapidDev turns v0 prototypes into production apps — real auth, database, and payments — at $13K–$25K.

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