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Integration with Unprice is designed to be seamless. Follow these steps to start managing your pricing.

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1. Configure your Model

Pricing in Unprice is decoupled from your code. You define your model in the dashboard first.
  1. Create a Plan: Give it a name like “Pro” and a slug like pro.
  2. Create a Plan Version: Plans are versioned so you can safely iterate.
  3. Add Features: Define what you are selling (e.g., “API Requests”) and choose a pricing type (Flat, Tiered, or Usage-based).
  4. Publish: Once published, your version is ready to accept subscriptions.

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2. Install & Initialize

Install our type-safe SDK and initialize it with your Project API Key. 
npm install @unprice/api

import { Unprice } from "@unprice/api";

const unprice = new Unprice({
  token: process.env.UNPRICE_TOKEN // Found in your Project Settings
});

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3. Verify Access (Entitlements)

Before performing an action, check if the customer has access and if they have enough balance for the specific operation. 
const { result } = await unprice.customers.verify({
  customerId: "cust_123",
  featureSlug: "ai-generations",
  usage: 5 // Check if they can consume 5 units right now
});

if (result?.allowed) {
  // 1. Perform your operation...

  // 2. Then report the usage to update their balance
  await unprice.customers.reportUsage({
    customerId: "cust_123",
    featureSlug: "ai-generations",
    usage: 5,
    idempotenceKey: "unique-id-for-this-request"
  });
}

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4. Subscribe a Customer

Subscribe a customer to your latest plan version in a single call. Unprice handles the checkout redirect and provider linking. 
const { result } = await unprice.customers.signUp({
  email: "user@example.com",
  planSlug: "pro", // Subscribes them to the latest version of 'pro'
  successUrl: "https://yourapp.com/dashboard",
  cancelUrl: "https://yourapp.com/pricing"
});

// Redirect the user to the checkout URL provided in result.url

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Next Steps

Feature Types

Deep dive into Flat, Tiered, Usage, and Package models.

Usage Metering

Learn how aggregation and reset cycles work.