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This example demonstrates how to integrate multiple advertising and payment platforms into a Next.js application using a unified API client.

Features:

  • AI content generation (Claude/OpenAI)
  • Google Ads campaign management
  • Meta Ads (Facebook/Instagram) integration
  • Stripe payment processing

The API client provides a clean, consistent interface for all platforms with proper error handling and TypeScript support.

This example demonstrates how to integrate multiple advertising and payment
platforms into a Next.js application using a unified API client.

Features:
- AI content generation (Claude/OpenAI)
- Google Ads campaign management
- Meta Ads (Facebook/Instagram) integration
- Stripe payment processing

The API client provides a clean, consistent interface for all platforms with
proper error handling and TypeScript support.
Copilot AI review requested due to automatic review settings December 10, 2025 21:49
@nextjs-bot nextjs-bot added the examples Issue was opened via the examples template. label Dec 10, 2025
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nextjs-bot commented Dec 10, 2025

Allow CI Workflow Run

  • approve CI run for commit: 3513c1d

Note: this should only be enabled once the PR is ready to go and can only be enabled by a maintainer

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Pull request overview

This PR adds a comprehensive example demonstrating integration of multiple advertising and payment platforms (AI content generation, Google Ads, Meta Ads, and Stripe) into a Next.js application. The example provides a unified API client architecture with proper TypeScript support and server-side security through the "server-only" package. The implementation showcases best practices for handling multiple third-party API integrations in a Next.js App Router context.

Key Changes:

  • Unified API client architecture with individual service modules for AI content generation (Claude/OpenAI), Google Ads, Meta Ads, and Stripe
  • TypeScript type definitions for all platform APIs with proper request/response interfaces
  • Demo page showcasing all integrations with environment-based configuration

Reviewed changes

Copilot reviewed 17 out of 17 changed files in this pull request and generated 16 comments.

Show a summary per file
File Description
tsconfig.json Standard Next.js TypeScript configuration with ES2017 target and path aliases
tailwind.config.ts Standard Tailwind CSS configuration for the example
postcss.config.js PostCSS configuration for Tailwind CSS processing
package.json Dependencies including Next.js, React, and server-only package
next.config.js Next.js configuration with experimental server actions settings
lib/types.ts TypeScript interfaces for all API request/response types
lib/stripe-client.ts Stripe payment processing client with checkout, subscription, and customer management
lib/meta-ads.ts Meta (Facebook/Instagram) Ads API client for campaign management
lib/google-ads.ts Google Ads API client with OAuth token management and campaign operations
lib/ai-content.ts AI content generation supporting both Claude and OpenAI APIs
lib/api-client.ts Unified export module aggregating all service clients
app/page.tsx Demo page showcasing AI content generation and API usage examples
app/layout.tsx Root layout with metadata configuration
app/globals.css Global styles with Tailwind directives
README.md Comprehensive documentation with setup instructions and API examples
.gitignore Standard Next.js gitignore with environment file exclusions
.env.example Template for required environment variables

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Comment on lines +153 to +157
async cancelSubscription(subscriptionId: string): Promise<any> {
return this.request(`/subscriptions/${subscriptionId}`, {
method: "DELETE",
});
}
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The return type is any, which loses type safety. Consider defining a proper interface for Stripe subscription objects in the types.ts file.

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Comment on lines +165 to +178
async createPaymentIntent(
amount: number,
currency: string = "usd",
metadata: Record<string, string> = {}
): Promise<any> {
return this.request("/payment_intents", {
method: "POST",
body: {
amount: Math.round(amount * 100), // Convert to cents
currency,
metadata,
},
});
}
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The return type is any, which loses type safety. Consider defining a proper interface for Stripe payment intent objects in the types.ts file.

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metadata = {},
} = request;

const session = await this.request<any>("/checkout/sessions", {
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The variable is named session but typed as any. Since this receives the full Stripe session response, consider typing it properly or using a more descriptive variable name that reflects it's the raw API response.

Suggested change
const session = await this.request<any>("/checkout/sessions", {
const session = await this.request<CheckoutSession>("/checkout/sessions", {

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const systemPrompt = buildSystemPrompt(type, tone);

// Detect if using Claude or OpenAI based on key prefix
const isClaudeKey = API_KEY.startsWith("sk-ant-");
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The detection logic for API key type using prefix "sk-ant-" is fragile and could break if Anthropic changes their key format. Consider using an explicit environment variable like AI_PROVIDER to specify which API to use, making the behavior more predictable and maintainable.

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Comment on lines +159 to +163
async getPaymentIntent(paymentIntentId: string): Promise<any> {
return this.request(`/payment_intents/${paymentIntentId}`, {
method: "GET",
});
}
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The return type is any, which loses type safety. Consider defining a proper interface for Stripe payment intent objects in the types.ts file.

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);
}

const { name, objective, dailyBudget, lifetimeBudget, targetingInterests } = request;
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The targetingInterests parameter is destructured but never used in the function. Either implement the targeting logic or remove this parameter from the interface to avoid confusion.

Suggested change
const { name, objective, dailyBudget, lifetimeBudget, targetingInterests } = request;
const { name, objective, dailyBudget, lifetimeBudget } = request;

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const nextConfig = {
experimental: {
serverActions: {
allowedOrigins: ['localhost:3000'],
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The serverActions.allowedOrigins configuration includes 'localhost:3000' without a protocol. This could potentially allow requests from any protocol (http/https) and may not work as intended. Additionally, hardcoding origins in the config is not suitable for production. Consider using environment variables or removing this configuration if not necessary, as Next.js has built-in CSRF protection for server actions.

Suggested change
allowedOrigins: ['localhost:3000'],

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Comment on lines +127 to +134
): Promise<any> {
return this.request("/subscriptions", {
method: "POST",
body: {
customer: customerId,
items: [{ price: priceId }],
},
});
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The return type is any, which loses type safety. Consider defining a proper interface for Stripe subscription objects in the types.ts file and using it here to provide better type checking and IDE support.

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Comment on lines +143 to +151
async createCustomer(email: string, name?: string): Promise<any> {
return this.request("/customers", {
method: "POST",
body: {
email,
name,
},
});
}
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The return type is any, which loses type safety. Consider defining a proper interface for Stripe customer objects in the types.ts file.

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