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AI Powered SaaS: Stripe + Auth + Billing + Deploy · Урок

Управление подписками

Реализуйте логику регулярных платежей с помощью Stripe Subscriptions, включая создание тарифных планов и циклы подписок клиентов.

«Управление подписками» — бесплатный урок AI Powered SaaS: Stripe + Auth + Billing + Deploy на CoddyKit. Это урок 1 из 4. Ты можешь прочитать весь урок бесплатно ниже — а потом практиковать его прямо в браузере с встроенным редактором кода и ИИ-репетитором 24/7. Это часть пути обучения AI Powered SaaS: Stripe + Auth + Billing + Deploy, и твой прогресс синхронизируется между веб-версией и приложением CoddyKit. Курс AI Powered SaaS: Stripe + Auth + Billing + Deploy содержит 4 уроков всего.

Части этого урока еще не переведены и отображаются на английском.

Why Recurring Billing?

Welcome to subscription management! For many SaaS businesses, recurring revenue is crucial. It provides predictable income and helps foster long-term customer relationships.

Stripe Subscriptions make it easy to implement recurring billing without handling complex payment logic yourself, allowing you to focus on your product.

Products & Prices Revisited

Before creating a subscription, you need to define what customers are subscribing to. Stripe uses two key concepts that work together:

  • Products: These represent the service or good you offer (e.g., "Basic Plan", "Premium AI Access").
  • Prices: These define how much and how often you charge for a product (e.g., "$10/month", "$100/year").

A single product can have multiple prices, offering flexibility for different billing cycles or tiers.

Define Your SaaS Product

First, let's create a Stripe Product. This object represents your core service or plan, like a "Pro AI Plan" for your SaaS. You can create products via the Stripe Dashboard or programmatically.

Here's how to create a product using the Stripe Python API:

import stripe

stripe.api_key = "sk_test_YOUR_SECRET_KEY" # Use your actual test key

try:
    product = stripe.Product.create(
        name="Pro AI Plan",
        description="Access to advanced AI features and higher usage limits."
    )
    print(f"Product created: {product.id}")
    print(f"Name: {product.name}")
except stripe.error.StripeError as e:
    print(f"Error creating product: {e}")

Set Your Recurring Price

Once you have a Product, you define its Price. For subscriptions, this price must be recurring. You specify the currency, amount (in cents), and the billing interval (e.g., month, year).

Let's create a monthly recurring price for our "Pro AI Plan" (replace PRODUCT_ID with the ID from the previous step):

import stripe

stripe.api_key = "sk_test_YOUR_SECRET_KEY" # Use your actual test key
# IMPORTANT: Replace with an actual product ID from your Stripe account
# Example: 'prod_Nq7sN8sN8sN8sN'
PRODUCT_ID = "prod_YOUR_PRODUCT_ID" 

try:
    price = stripe.Price.create(
        unit_amount=2000, # $20.00 in cents
        currency="usd",
        recurring={"interval": "month"},
        product=PRODUCT_ID,
    )
    print(f"Price created: {price.id}")
    print(f"Amount: ${price.unit_amount / 100:.2f} / {price.recurring.interval}")
except stripe.error.StripeError as e:
    print(f"Error creating price: {e}")

Preparing Your Customer

Every subscription in Stripe is tied to a Customer object. This object holds essential details like their email, payment methods, and billing history.

When a user signs up for your SaaS, you'll typically create a Stripe Customer for them. If they already exist, you'll retrieve their existing customer ID to associate new subscriptions.

Registering a New Customer

To link a user to a subscription, we first need to create a Customer object in Stripe. This is a one-time process for each unique user in your system.

Here's how to create a new customer in Stripe:

import stripe

stripe.api_key = "sk_test_YOUR_SECRET_KEY" # Use your actual test key

try:
    customer = stripe.Customer.create(
        email="janedoe@example.com",
        name="Jane Doe",
        description="Customer for Pro AI Plan"
    )
    print(f"Customer created: {customer.id}")
    print(f"Email: {customer.email}")
except stripe.error.StripeError as e:
    print(f"Error creating customer: {e}")

Activating the Subscription

Now for the main event! With a Product, a Recurring Price, and a Customer, you can create a subscription. This action links the customer to the chosen plan and initiates recurring billing.

When creating a subscription, you specify the customer ID and the price ID. Stripe handles the recurring billing and invoicing automatically.

import stripe

stripe.api_key = "sk_test_YOUR_SECRET_KEY" # Use your actual test key
# IMPORTANT: Replace with actual customer ID (e.g., 'cus_Nq7sN8sN8sN8sN')
CUSTOMER_ID = "cus_YOUR_CUSTOMER_ID" 
# IMPORTANT: Replace with actual price ID (e.g., 'price_1Nq7sN8sN8sN8sN')
PRICE_ID = "price_YOUR_PRICE_ID" 

try:
    subscription = stripe.Subscription.create(
        customer=CUSTOMER_ID,
        items=[{"price": PRICE_ID}],
        # 'expand' helps fetch related objects like the initial invoice
        expand=["latest_invoice.payment_intent"]
    )
    print(f"Subscription created: {subscription.id}")
    print(f"Status: {subscription.status}")
    if subscription.latest_invoice and subscription.latest_invoice.payment_intent:
        print(f"Initial Payment Intent Status: {subscription.latest_invoice.payment_intent.status}")
except stripe.error.StripeError as e:
    print(f"Error creating subscription: {e}")

Lifecycle of a Subscription

Stripe subscriptions go through various statuses indicating their current state. Monitoring these statuses is key for managing user access and support:

  • trialing: Customer is in a trial period.
  • active: Subscription is active and billing successfully.
  • past_due: A payment failed, and Stripe is attempting to recover.
  • canceled: Subscription has been canceled.
  • unpaid: Subscription has exhausted its dunning attempts and is unpaid.

Managing Active Subscriptions

Customers might want to upgrade, downgrade, or cancel their subscriptions. Stripe's API provides methods to handle these actions gracefully:

  • Updating: Change the price, quantity, or add/remove items using stripe.Subscription.modify().
  • Cancelling: End a subscription immediately or at the end of the current billing period using stripe.Subscription.cancel().

These actions often trigger webhooks, which are crucial for keeping your application in sync with Stripe!

Subscription Flow Quiz

Which of the following are essential steps in creating a new recurring subscription for a user in Stripe?

Recap: Your First Subscriptions

Great job! You've learned how to implement recurring billing with Stripe Subscriptions.

  • We covered creating Products and Prices that form the basis of your subscription plans.
  • We explored managing Customers, who are the recipients of these subscriptions.
  • And we successfully created a Subscription, understanding its lifecycle and basic management.

Next, we'll dive into handling Stripe Webhooks to react to payment events and subscription changes in real-time, making your application dynamic and responsive!

Часто задаваемые вопросы

Урок «Управление подписками» бесплатный?

Да — полный текст урока «Управление подписками» бесплатно доступен здесь в веб-версии. Чтобы практиковать его интерактивно (встроенный редактор кода и ИИ-репетитор 24/7) и разблокировать остальной курс AI Powered SaaS: Stripe + Auth + Billing + Deploy, подпишись на CoddyKit PRO. Курс AI Powered SaaS: Stripe + Auth + Billing + Deploy содержит 4 уроков всего.

Чему я научусь в уроке «Управление подписками»?

Реализуйте логику регулярных платежей с помощью Stripe Subscriptions, включая создание тарифных планов и циклы подписок клиентов. Ты практикуешь AI Powered SaaS: Stripe + Auth + Billing + Deploy с помощью реального кода, который запускаешь прямо в браузере, и ИИ-репетитор 24/7 отвечает на твои вопросы во время урока.

Нужен ли мне опыт, чтобы начать AI Powered SaaS: Stripe + Auth + Billing + Deploy?

Предыдущий опыт не требуется. AI Powered SaaS: Stripe + Auth + Billing + Deploy на CoddyKit структурирован для всех уровней — от новичков до продвинутых, поэтому ты можешь начать отсюда или с самого начала и учиться в своем темпе. Это урок 1 из 4.

Сколько времени занимает урок «Управление подписками»?

Большинство уроков CoddyKit занимают около 5–10 минут. Каждый из них компактный и интерактивный, поэтому ты постоянно делаешь прогресс и продолжаешь с того же места в веб-версии и приложении.

Можно ли писать и запускать код в этом уроке AI Powered SaaS: Stripe + Auth + Billing + Deploy?

Да. Каждый урок AI Powered SaaS: Stripe + Auth + Billing + Deploy включает встроенный редактор кода, поэтому ты пишешь и запускаешь реальный код прямо в браузере и получаешь моментальную обратную связь от AI — локальная установка не требуется.

Все уроки этого курса

  1. Управление подписками
  2. Обработка вебхуков Stripe
  3. Портал клиентов и история платежей
  4. Расчёты по потреблению и тарификация на основе использования
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