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The Subscription Item object

Attributes

  • id (string) Unique identifier for the object.

  • object (string) String representing the object’s type. Objects of the same type share the same value.

  • billing_thresholds (object, nullable) Define thresholds at which an invoice will be sent, and the related subscription advanced to a new billing period

    • billing_thresholds.usage_gte (integer, nullable) Usage threshold that triggers the subscription to create an invoice
  • created (integer) Time at which the object was created. Measured in seconds since the Unix epoch.

  • current_period_end (timestamp) The end time of this subscription item’s current billing period.

  • current_period_start (timestamp) The start time of this subscription item’s current billing period.

  • discounts (array of strings, expandable (can be expanded into an object with the expand request parameter)) The discounts applied to the subscription item. Subscription item discounts are applied before subscription discounts. Use expand[]=discounts to expand each discount.

  • metadata (object) Set of key-value pairs that you can attach to an object. This can be useful for storing additional information about the object in a structured format.

  • price (object) The price the customer is subscribed to.

    • price.id (string) Unique identifier for the object.

    • price.object (string) String representing the object’s type. Objects of the same type share the same value.

    • price.active (boolean) Whether the price can be used for new purchases.

    • price.billing_scheme (enum) Describes how to compute the price per period. Either per_unit or tiered. per_unit indicates that the fixed amount (specified in unit_amount or unit_amount_decimal) will be charged per unit in quantity (for prices with usage_type=licensed), or per unit of total usage (for prices with usage_type=metered). tiered indicates that the unit pricing will be computed using a tiering strategy as defined using the tiers and tiers_mode attributes. Possible enum values:

      • per_unit
      • tiered
    • price.created (timestamp) Time at which the object was created. Measured in seconds since the Unix epoch.

    • price.currency (enum) Three-letter ISO currency code, in lowercase. Must be a supported currency.

    • price.currency_options (object, nullable, expandable (can be expanded into an object with the expand request parameter)) Prices defined in each available currency option. Each key must be a three-letter ISO currency code and a supported currency.

      • price.currency_options.<currency>.custom_unit_amount (object, nullable) When set, provides configuration for the amount to be adjusted by the customer during Checkout Sessions and Payment Links.

        • price.currency_options.<currency>.custom_unit_amount.maximum (integer, nullable) The maximum unit amount the customer can specify for this item.

        • price.currency_options.<currency>.custom_unit_amount.minimum (integer, nullable) The minimum unit amount the customer can specify for this item. Must be at least the minimum charge amount.

        • price.currency_options.<currency>.custom_unit_amount.preset (integer, nullable) The starting unit amount which can be updated by the customer.

      • price.currency_options.<currency>.tax_behavior (enum, nullable) Only required if a default tax behavior) was not provided in the Stripe Tax settings. Specifies whether the price is considered inclusive of taxes or exclusive of taxes. One of inclusive, exclusive, or unspecified. Once specified as either inclusive or exclusive, it cannot be changed. Possible enum values:

        • exclusive
        • inclusive
        • unspecified
      • price.currency_options.<currency>.tiers (array of objects, nullable, expandable (can be expanded into an object with the expand request parameter)) Each element represents a pricing tier. This parameter requires billing_scheme to be set to tiered. See also the documentation for billing_scheme.

        • price.currency_options.<currency>.tiers.flat_amount (integer, nullable) Price for the entire tier.

        • price.currency_options.<currency>.tiers.flat_amount_decimal (decimal string, nullable) Same as flat_amount, but contains a decimal value with at most 12 decimal places.

        • price.currency_options.<currency>.tiers.unit_amount (integer, nullable) Per unit price for units relevant to the tier.

        • price.currency_options.<currency>.tiers.unit_amount_decimal (decimal string, nullable) Same as unit_amount, but contains a decimal value with at most 12 decimal places.

        • price.currency_options.<currency>.tiers.up_to (integer, nullable) Up to and including to this quantity will be contained in the tier.

      • price.currency_options.<currency>.unit_amount (integer, nullable) The unit amount in the smallest currency unit to be charged, represented as a whole integer if possible. Only set if billing_scheme=per_unit.

      • price.currency_options.<currency>.unit_amount_decimal (decimal string, nullable) The unit amount in the smallest currency unit to be charged, represented as a decimal string with at most 12 decimal places. Only set if billing_scheme=per_unit.

    • price.custom_unit_amount (object, nullable) When set, provides configuration for the amount to be adjusted by the customer during Checkout Sessions and Payment Links.

      • price.custom_unit_amount.maximum (integer, nullable) The maximum unit amount the customer can specify for this item.

      • price.custom_unit_amount.minimum (integer, nullable) The minimum unit amount the customer can specify for this item. Must be at least the minimum charge amount.

      • price.custom_unit_amount.preset (integer, nullable) The starting unit amount which can be updated by the customer.

    • price.livemode (boolean) If the object exists in live mode, the value is true. If the object exists in test mode, the value is false.

    • price.lookup_key (string, nullable) A lookup key used to retrieve prices dynamically from a static string. This may be up to 200 characters.

    • price.metadata (object) Set of key-value pairs that you can attach to an object. This can be useful for storing additional information about the object in a structured format.

    • price.nickname (string, nullable) A brief description of the price, hidden from customers.

    • price.product (string, expandable (can be expanded into an object with the expand request parameter)) The ID of the product this price is associated with.

    • price.recurring (object, nullable) The recurring components of a price such as interval and usage_type.

      • price.recurring.interval (enum) The frequency at which a subscription is billed. One of day, week, month or year.

      • price.recurring.interval_count (integer) The number of intervals (specified in the interval attribute) between subscription billings. For example, interval=month and interval_count=3 bills every 3 months.

      • price.recurring.meter (string, nullable) The meter tracking the usage of a metered price

      • price.recurring.usage_type (enum) Configures how the quantity per period should be determined. Can be either metered or licensed. licensed automatically bills the quantity set when adding it to a subscription. metered aggregates the total usage based on usage records. Defaults to licensed.

    • price.tax_behavior (enum, nullable) Only required if a default tax behavior) was not provided in the Stripe Tax settings. Specifies whether the price is considered inclusive of taxes or exclusive of taxes. One of inclusive, exclusive, or unspecified. Once specified as either inclusive or exclusive, it cannot be changed. Possible enum values:

      • exclusive
      • inclusive
      • unspecified
    • price.tiers (array of objects, nullable, expandable (can be expanded into an object with the expand request parameter)) Each element represents a pricing tier. This parameter requires billing_scheme to be set to tiered. See also the documentation for billing_scheme.

      • price.tiers.flat_amount (integer, nullable) Price for the entire tier.

      • price.tiers.flat_amount_decimal (decimal string, nullable) Same as flat_amount, but contains a decimal value with at most 12 decimal places.

      • price.tiers.unit_amount (integer, nullable) Per unit price for units relevant to the tier.

      • price.tiers.unit_amount_decimal (decimal string, nullable) Same as unit_amount, but contains a decimal value with at most 12 decimal places.

      • price.tiers.up_to (integer, nullable) Up to and including to this quantity will be contained in the tier.

    • price.tiers_mode (enum, nullable) Defines if the tiering price should be graduated or volume based. In volume-based tiering, the maximum quantity within a period determines the per unit price. In graduated tiering, pricing can change as the quantity grows. Possible enum values:

      • graduated
      • volume
    • price.transform_quantity (object, nullable) Apply a transformation to the reported usage or set quantity before computing the amount billed. Cannot be combined with tiers.

      • price.transform_quantity.divide_by (integer) Divide usage by this number.

      • price.transform_quantity.round (enum) After division, either round the result up or down.

    • price.type (enum) One of one_time or recurring depending on whether the price is for a one-time purchase or a recurring (subscription) purchase. Possible enum values:

      • one_time
      • recurring
    • price.unit_amount (integer, nullable) The unit amount in the smallest currency unit to be charged, represented as a whole integer if possible. Only set if billing_scheme=per_unit.

    • price.unit_amount_decimal (decimal string, nullable) The unit amount in the smallest currency unit to be charged, represented as a decimal string with at most 12 decimal places. Only set if billing_scheme=per_unit.

  • quantity (integer, nullable) The quantity of the plan to which the customer should be subscribed.

  • subscription (string) The subscription this subscription_item belongs to.

  • tax_rates (array of objects, nullable) The tax rates which apply to this subscription_item. When set, the default_tax_rates on the subscription do not apply to this subscription_item.

    • tax_rates.id (string) Unique identifier for the object.

    • tax_rates.object (string) String representing the object’s type. Objects of the same type share the same value.

    • tax_rates.active (boolean) Defaults to true. When set to false, this tax rate cannot be used with new applications or Checkout Sessions, but will still work for subscriptions and invoices that already have it set.

    • tax_rates.country (string, nullable) Two-letter country code (ISO 3166-1 alpha-2).

    • tax_rates.created (timestamp) Time at which the object was created. Measured in seconds since the Unix epoch.

    • tax_rates.description (string, nullable) An arbitrary string attached to the tax rate for your internal use only. It will not be visible to your customers.

    • tax_rates.display_name (string) The display name of the tax rates as it will appear to your customer on their receipt email, PDF, and the hosted invoice page.

    • tax_rates.effective_percentage (float, nullable) Actual/effective tax rate percentage out of 100. For tax calculations with automatic_tax[enabled]=true, this percentage reflects the rate actually used to calculate tax based on the product’s taxability and whether the user is registered to collect taxes in the corresponding jurisdiction.

    • tax_rates.flat_amount (object, nullable) The amount of the tax rate when the rate_type is flat_amount. Tax rates with rate_type percentage can vary based on the transaction, resulting in this field being null. This field exposes the amount and currency of the flat tax rate.

      • tax_rates.flat_amount.amount (integer) Amount of the tax when the rate_type is flat_amount. This positive integer represents how much to charge in the smallest currency unit (e.g., 100 cents to charge $1.00 or 100 to charge ¥100, a zero-decimal currency). The amount value supports up to eight digits (e.g., a value of 99999999 for a USD charge of $999,999.99).

      • tax_rates.flat_amount.currency (string) Three-letter ISO currency code, in lowercase.

    • tax_rates.inclusive (boolean) This specifies if the tax rate is inclusive or exclusive.

    • tax_rates.jurisdiction (string, nullable) The jurisdiction for the tax rate. You can use this label field for tax reporting purposes. It also appears on your customer’s invoice.

    • tax_rates.jurisdiction_level (enum, nullable) The level of the jurisdiction that imposes this tax rate. Will be null for manually defined tax rates. Possible enum values:

      • city
      • country
      • county
      • district
      • multiple
      • state
    • tax_rates.livemode (boolean) If the object exists in live mode, the value is true. If the object exists in test mode, the value is false.

    • tax_rates.metadata (object, nullable) Set of key-value pairs that you can attach to an object. This can be useful for storing additional information about the object in a structured format.

    • tax_rates.percentage (float) Tax rate percentage out of 100. For tax calculations with automatic_tax[enabled]=true, this percentage includes the statutory tax rate of non-taxable jurisdictions.

    • tax_rates.rate_type (enum, nullable) Indicates the type of tax rate applied to the taxable amount. This value can be null when no tax applies to the location. This field is only present for TaxRates created by Stripe Tax. Possible enum values:

      • flat_amount A fixed amount applied as tax, regardless of the taxable amount, such as a retail delivery fee.

      • percentage A tax rate expressed as a percentage of the taxable amount, such as the sales tax rate in California.

    • tax_rates.state (string, nullable) ISO 3166-2 subdivision code, without country prefix. For example, “NY” for New York, United States.

    • tax_rates.tax_type (enum, nullable) The high-level tax type, such as vat or sales_tax. Possible enum values:

      • admissions_tax Admissions Tax

      • amusement_tax Amusement Tax

      • attendance_tax Attendance Tax

      • communications_tax Communications Tax

      • entertainment_tax Entertainment Tax

      • gross_receipts_tax Gross Receipts Tax

      • gst Goods and Services Tax

      • hospitality_tax Hospitality Tax

      • hst Harmonized Sales Tax

      • igst Integrated Goods and Services Tax

      • jct Japanese Consumption Tax

      • lease_tax Chicago Lease Tax

      • luxury_tax Luxury Tax

      • pst Provincial Sales Tax

      • qst Quebec Sales Tax

      • resort_tax Resort Tax

      • retail_delivery_fee Retail Delivery Fee

      • rst Retail Sales Tax

      • sales_tax Sales Tax

      • service_tax Service Tax

      • tourism_tax Tourism Tax

      • vat Value-Added Tax

The Subscription Item object

json
{
  "id": "si_NcLYdDxLHxlFo7",
  "object": "subscription_item",
  "created": 1680126546,
  "metadata": {},
  "price": {
    "id": "price_1Mr6rdLkdIwHu7ixwPmiybbR",
    "object": "price",
    "active": true,
    "billing_scheme": "per_unit",
    "created": 1680126545,
    "currency": "usd",
    "custom_unit_amount": null,
    "discounts": null,
    "livemode": false,
    "lookup_key": null,
    "metadata": {},
    "nickname": null,
    "product": "prod_NcLYGKH0eY5b8s",
    "recurring": {
      "interval": "month",
      "interval_count": 1,
      "trial_period_days": null,
      "usage_type": "licensed"
    },
    "tax_behavior": "unspecified",
    "tiers_mode": null,
    "transform_quantity": null,
    "type": "recurring",
    "unit_amount": 1000,
    "unit_amount_decimal": "1000"
  },
  "quantity": 2,
  "subscription": "sub_1Mr6rbLkdIwHu7ix4Xm9Ahtd",
  "tax_rates": []
}

Stripe API Reference - Self-contained docs reference, refreshed 2026-05-18