Payment and Billing

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import Stripe from 'stripe';

const stripe = new Stripe(process.env.STRIPE_SECRET_KEY!);

// 1. Create a Product for your AI service
const product = await stripe.products.create({
  name: 'AI API Access',
  description: 'Pay-per-use access to our AI models',
  metadata: {
    tier: 'api',
    version: '2024-01'
  }

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import Stripe from 'stripe';
import { db } from './database';

const stripe = new Stripe(process.env.STRIPE_SECRET_KEY!);

async function reportUsageToStripe() {
  // Get unbilled usage records from our database
  const pendingUsage = await db.usageRecords.findMany({
    where: { reportedToStripe: false },
    include: { user: true }
  });

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import Stripe from 'stripe';
import { Redis } from 'ioredis';

const stripe = new Stripe(process.env.STRIPE_SECRET_KEY!);
const redis = new Redis(process.env.REDIS_URL!);

interface UsageEvent {
  userId: string;
  subscriptionItemId: string;
  quantity: number;
  timestamp: number;
  eventType: 'tokens' | 'api_calls' | 'compute_minutes';

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import Stripe from 'stripe';

const stripe = new Stripe(process.env.STRIPE_SECRET_KEY!);

// Enable automatic tax calculation on checkout
async function createTaxEnabledCheckout(
  customerId: string,
  priceId: string,
  customerLocation: { country: string; postalCode?: string }
): Promise<Stripe.Checkout.Session> {
  
  // First, update customer with tax location

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import Stripe from 'stripe';
import { db } from './database';

const stripe = new Stripe(process.env.STRIPE_SECRET_KEY!);

interface ProcessedEvent {
  eventId: string;
  processedAt: Date;
}

export async function handleWebhook(req: Request) {
  const sig = req.headers.get('stripe-signature')!;

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import Stripe from 'stripe';

const stripe = new Stripe(process.env.STRIPE_SECRET_KEY!);

interface DowngradeResult {
  success: boolean;
  effectiveDate: Date;
  refundAmount?: number;
  message: string;
}

export async function handleDowngrade(

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import Stripe from 'stripe';

const stripe = new Stripe(process.env.STRIPE_SECRET_KEY!);

export async function handleDisputeCreated(
  dispute: Stripe.Dispute
) {
  // Immediately alert the team
  await sendSlackAlert({
    channel: '#billing-alerts',
    message: `🚨 New dispute: $${dispute.amount / 100} - ${dispute.reason}`,
    priority: 'high'