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To process purchases via Stripe, you need to create a Stripe Checkout Session on your server and send the purchase data to Qonversion after a successful payment.

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1. Create a Checkout Session

Create a Stripe Checkout Session on your server using the Stripe API. Refer to the Stripe documentation for detailed instructions.

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2. Send Purchase to Qonversion

After a successful payment, retrieve the Stripe Session data and send the purchase information to Qonversion using the API: 
curl -X POST \
  https://api.qonversion.io/v3/users/{user_id}/purchases \
  -H "Authorization: Bearer {project_key}" \
  -H "Content-Type: application/json" \
  -d '{
    "currency": "USD",
    "price": "9.99",
    "stripe_store_data": {
      "subscription_id": "{stripe_subscription_id}",
      "product_id": "{qonversion_product_id}"
    }
  }'
Replace {stripe_subscription_id} with the Stripe subscription ID from the Checkout Session and {qonversion_product_id} with the product ID configured in Qonversion.
FieldSource
currencystripe_session.currency
pricestripe_session.amount_total
stripe_store_data.subscription_idstripe_session.subscription.id
stripe_store_data.product_idYour Stripe Product ID

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Getting the User ID

The {user_id} in the request URL is the Qonversion User ID. You can obtain it in two ways:
  • From the SDK — call the userInfo() method and use the qonversionId property from the result. See User Identifiers for details.
  • Via API — create a user by calling POST /v3/users/{id}. See the API reference for details.

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Web SDK

If you are using Qonversion on the web, you can also use the Qonversion Web SDK to handle purchases. See the full Stripe Integration guide for details.