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POST
/
subscriptions
/
{subscription_id}
/
change-plan
/
preview
JavaScript
import DodoPayments from 'dodopayments';

const client = new DodoPayments({
  bearerToken: process.env['DODO_PAYMENTS_API_KEY'], // This is the default and can be omitted
});

const response = await client.subscriptions.previewChangePlan('subscription_id', {
  product_id: 'product_id',
  proration_billing_mode: 'prorated_immediately',
  quantity: 0,
});

console.log(response.immediate_charge);
{
  "immediate_charge": {
    "effective_at": "2023-11-07T05:31:56Z",
    "line_items": [
      {
        "currency": "AED",
        "id": "<string>",
        "product_id": "<string>",
        "proration_factor": 123,
        "quantity": 123,
        "tax_inclusive": true,
        "type": "subscription",
        "unit_price": 123,
        "description": "<string>",
        "name": "<string>",
        "tax": 123,
        "tax_rate": 123
      }
    ],
    "summary": {
      "currency": "AED",
      "customer_credits": 123,
      "settlement_amount": 123,
      "settlement_currency": "AED",
      "total_amount": 123,
      "settlement_tax": 123,
      "tax": 123
    }
  },
  "new_plan": {
    "addons": [
      {
        "addon_id": "<string>",
        "quantity": 123
      }
    ],
    "billing": {
      "country": "AF",
      "city": "<string>",
      "state": "<string>",
      "street": "<string>",
      "zipcode": "<string>"
    },
    "cancel_at_next_billing_date": true,
    "created_at": "2023-11-07T05:31:56Z",
    "credit_entitlement_cart": [
      {
        "credit_entitlement_id": "<string>",
        "credit_entitlement_name": "<string>",
        "credits_amount": "<string>",
        "overage_balance": "<string>",
        "overage_behavior": "forgive_at_reset",
        "overage_enabled": true,
        "product_id": "<string>",
        "remaining_balance": "<string>",
        "rollover_enabled": true,
        "unit": "<string>",
        "expires_after_days": 123,
        "low_balance_threshold_percent": 123,
        "max_rollover_count": 123,
        "overage_limit": "<string>",
        "rollover_percentage": 123,
        "rollover_timeframe_count": 123,
        "rollover_timeframe_interval": "Day"
      }
    ],
    "currency": "AED",
    "customer": {
      "customer_id": "<string>",
      "email": "<string>",
      "name": "<string>",
      "metadata": {},
      "phone_number": "<string>"
    },
    "metadata": {},
    "meter_credit_entitlement_cart": [
      {
        "credit_entitlement_id": "<string>",
        "meter_id": "<string>",
        "meter_name": "<string>",
        "meter_units_per_credit": "<string>",
        "product_id": "<string>"
      }
    ],
    "meters": [
      {
        "currency": "AED",
        "free_threshold": 123,
        "measurement_unit": "<string>",
        "meter_id": "<string>",
        "name": "<string>",
        "description": "<string>",
        "price_per_unit": "10.50"
      }
    ],
    "next_billing_date": "2023-11-07T05:31:56Z",
    "on_demand": true,
    "payment_frequency_count": 123,
    "payment_frequency_interval": "Day",
    "previous_billing_date": "2023-11-07T05:31:56Z",
    "product_id": "<string>",
    "quantity": 123,
    "recurring_pre_tax_amount": 123,
    "status": "pending",
    "subscription_id": "<string>",
    "subscription_period_count": 123,
    "subscription_period_interval": "Day",
    "tax_inclusive": true,
    "trial_period_days": 123,
    "cancelled_at": "2023-11-07T05:31:56Z",
    "custom_field_responses": [
      {
        "key": "<string>",
        "value": "<string>"
      }
    ],
    "discount_cycles_remaining": 123,
    "discount_id": "<string>",
    "expires_at": "2023-11-07T05:31:56Z",
    "payment_method_id": "<string>",
    "scheduled_change": {
      "addons": [
        {
          "addon_id": "<string>",
          "name": "<string>",
          "quantity": 123
        }
      ],
      "created_at": "2023-11-07T05:31:56Z",
      "effective_at": "2023-11-07T05:31:56Z",
      "id": "<string>",
      "product_id": "<string>",
      "quantity": 123,
      "product_description": "<string>",
      "product_name": "<string>"
    },
    "tax_id": "<string>"
  }
}
使用此端点可以向客户精确展示在升级或降级订阅时将会被收取的费用,从而提高透明度并减少支持请求。

用例

  • 结账确认:在客户确认更改计划之前显示按比例收费
  • 定价计算器:在您的应用程序中构建升级/降级计算器
  • 客户自助服务:让客户探索具有准确定价的计划选项
  • 折扣验证:预览折扣代码如何影响计划更改定价
您可以在预览请求中包含 discount_code,以查看折扣如何影响立即收费和新计划定价,然后再进行更改。

响应字段

预览响应包括:
字段描述
immediate_charge将立即创建的费用,包括各项和摘要
new_plan显示更改计划后的完整订阅对象
immediate_charge.summary 包含将收取的总金额。在客户确认计划更改之前使用此信息显示定价。

授权

Authorization
string
header
必填

Bearer authentication header of the form Bearer <token>, where <token> is your auth token.

路径参数

subscription_id
string
必填

Subscription Id

请求体

application/json
product_id
string
必填

Unique identifier of the product to subscribe to

proration_billing_mode
enum<string>
必填

Proration Billing Mode

可用选项:
prorated_immediately,
full_immediately,
difference_immediately,
do_not_bill
quantity
integer<int32>
必填

Number of units to subscribe for. Must be at least 1.

必填范围: x >= 0
addons
Attach Addon Request · object[] | null

Addons for the new plan. Note : Leaving this empty would remove any existing addons

discount_code
string | null

Optional discount code to apply to the new plan. If provided, validates and applies the discount to the plan change. If not provided and the subscription has an existing discount with preserve_on_plan_change=true, the existing discount will be preserved (if applicable to the new product).

effective_at
enum<string>

When to apply the plan change.

  • immediately (default): Apply the plan change right away
  • next_billing_date: Schedule the change for the next billing date
可用选项:
immediately,
next_billing_date
metadata
object

Metadata for the payment. If not passed, the metadata of the subscription will be taken

on_payment_failure
null | enum<string>

Controls behavior when the plan change payment fails.

  • prevent_change: Keep subscription on current plan until payment succeeds
  • apply_change (default): Apply plan change immediately regardless of payment outcome

If not specified, uses the business-level default setting.

可用选项:
prevent_change,
apply_change

响应

Preview of subscription plan change

immediate_charge
object
必填
new_plan
object
必填

Response struct representing subscription details

Last modified on April 1, 2026