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This example shows how to perform the same flow using raw HTTP requests with cURL. This is useful for testing or for languages without an official SDK.

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1. Create Customer

curl https://api.credibill.tech/v1/customers \
  -u sk_test_...: \
  -d email="[email protected]" \
  -d name="Startup Inc" \
  -d paymentMethod="pm_card_visa"
Response: 
{
  "id": "cus_12345",
  "email": "[email protected]",
  "name": "Startup Inc",
  "created": 1678900000
}

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2. Create Subscription

Take the id from the previous response (e.g., cus_12345) and use it to create a subscription. 
curl https://api.credibill.tech/v1/subscriptions \
  -u sk_test_...: \
  -d customerId="cus_12345" \
  -d planId="plan_starter_monthly"
Response: 
{
  "id": "sub_67890",
  "status": "active",
  "current_period_end": 1681578400,
  "customer": "cus_12345",
  "plan": {
    "id": "plan_starter_monthly",
    "amount": 2900
  }
}