@type currency_options() :: %{
  optional(:custom_unit_amount) => currency_options_custom_unit_amount() | nil,
  optional(:tax_behavior) => String.t() | nil,
  optional(:tiers) => [currency_options_tiers()] | nil,
  optional(:unit_amount) => integer() | nil,
  optional(:unit_amount_decimal) => String.t() | nil,
  optional(String.t()) => term()
}

• custom_unit_amount - When set, provides configuration for the amount to be adjusted by the customer during Checkout Sessions and Payment Links.
• tax_behavior - 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 values: exclusive, inclusive, unspecified.
• tiers - Each element represents a pricing tier. This parameter requires billing_scheme to be set to tiered. See also the documentation for billing_scheme.
• unit_amount - A positive integer in cents (or local equivalent) (or 0 for a free price) representing how much to charge.
• unit_amount_decimal - Same as unit_amount, but accepts a decimal value in cents (or local equivalent) with at most 12 decimal places. Only one of unit_amount and unit_amount_decimal can be set. Format: decimal string.

@type currency_options_custom_unit_amount() :: %{
  optional(:enabled) => boolean() | nil,
  optional(:maximum) => integer() | nil,
  optional(:minimum) => integer() | nil,
  optional(:preset) => integer() | nil,
  optional(String.t()) => term()
}

• enabled - Pass in true to enable custom_unit_amount, otherwise omit custom_unit_amount.
• maximum - The maximum unit amount the customer can specify for this item.
• minimum - The minimum unit amount the customer can specify for this item. Must be at least the minimum charge amount.
• preset - The starting unit amount which can be updated by the customer.

@type currency_options_tiers() :: %{
  optional(:flat_amount) => integer() | nil,
  optional(:flat_amount_decimal) => String.t() | nil,
  optional(:unit_amount) => integer() | nil,
  optional(:unit_amount_decimal) => String.t() | nil,
  optional(:up_to) => map() | nil,
  optional(String.t()) => term()
}

• flat_amount - The flat billing amount for an entire tier, regardless of the number of units in the tier.
• flat_amount_decimal - Same as flat_amount, but accepts a decimal value representing an integer in the minor units of the currency. Only one of flat_amount and flat_amount_decimal can be set. Format: decimal string.
• unit_amount - The per unit billing amount for each individual unit for which this tier applies.
• unit_amount_decimal - Same as unit_amount, but accepts a decimal value in cents (or local equivalent) with at most 12 decimal places. Only one of unit_amount and unit_amount_decimal can be set. Format: decimal string.
• up_to - Specifies the upper bound of this tier. The lower bound of a tier is the upper bound of the previous tier adding one. Use inf to define a fallback tier.

@type custom_unit_amount() :: %{
  optional(:enabled) => boolean() | nil,
  optional(:maximum) => integer() | nil,
  optional(:minimum) => integer() | nil,
  optional(:preset) => integer() | nil,
  optional(String.t()) => term()
}

• enabled - Pass in true to enable custom_unit_amount, otherwise omit custom_unit_amount.
• maximum - The maximum unit amount the customer can specify for this item.
• minimum - The minimum unit amount the customer can specify for this item. Must be at least the minimum charge amount.
• preset - The starting unit amount which can be updated by the customer.

@type product_data() :: %{
  optional(:active) => boolean() | nil,
  optional(:id) => String.t() | nil,
  optional(:metadata) => %{required(String.t()) => String.t()} | nil,
  optional(:name) => String.t() | nil,
  optional(:statement_descriptor) => String.t() | nil,
  optional(:tax_code) => String.t() | nil,
  optional(:unit_label) => String.t() | nil,
  optional(String.t()) => term()
}

• active - Whether the product is currently available for purchase. Defaults to true.
• id - The identifier for the product. Must be unique. If not provided, an identifier will be randomly generated. Max length: 5000.
• metadata - 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. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to metadata.
• name - The product's name, meant to be displayable to the customer. Max length: 5000.
• statement_descriptor - An arbitrary string to be displayed on your customer's credit card or bank statement. While most banks display this information consistently, some may display it incorrectly or not at all.

This may be up to 22 characters. The statement description may not include ,`, ", ' characters, and will appear on your customer's statement in capital letters. Non-ASCII characters are automatically stripped. Max length: 22.

• tax_code - A tax code ID. Max length: 5000.
• unit_label - A label that represents units of this product. When set, this will be included in customers' receipts, invoices, Checkout, and the customer portal. Max length: 12.

@type recurring() :: %{
  optional(:interval) => String.t() | nil,
  optional(:interval_count) => integer() | nil,
  optional(:meter) => String.t() | nil,
  optional(:trial_period_days) => integer() | nil,
  optional(:usage_type) => String.t() | nil,
  optional(String.t()) => term()
}

• interval - Specifies billing frequency. Either day, week, month or year. Possible values: day, month, week, year.
• interval_count - The number of intervals between subscription billings. For example, interval=month and interval_count=3 bills every 3 months. Maximum of three years interval allowed (3 years, 36 months, or 156 weeks).
• meter - The meter tracking the usage of a metered price Max length: 5000.
• trial_period_days - Default number of trial days when subscribing a customer to this price using trial_from_plan=true.
• usage_type - 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. Possible values: licensed, metered.

@type t() :: %Stripe.Params.PriceCreateParams{
  active: boolean() | nil,
  billing_scheme: String.t() | nil,
  currency: String.t(),
  currency_options: %{required(String.t()) => currency_options()} | nil,
  custom_unit_amount: custom_unit_amount() | nil,
  expand: [String.t()] | nil,
  lookup_key: String.t() | nil,
  metadata: %{required(String.t()) => String.t()} | nil,
  nickname: String.t() | nil,
  product: String.t() | nil,
  product_data: product_data() | nil,
  recurring: recurring() | nil,
  tax_behavior: String.t() | nil,
  tiers: [tiers()] | nil,
  tiers_mode: String.t() | nil,
  transfer_lookup_key: boolean() | nil,
  transform_quantity: transform_quantity() | nil,
  unit_amount: integer() | nil,
  unit_amount_decimal: String.t() | nil
}

• active - Whether the price can be used for new purchases. Defaults to true.
• billing_scheme - 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 values: per_unit, tiered.
• currency - Three-letter ISO currency code, in lowercase. Must be a supported currency. Format: ISO 4217 currency code.
• currency_options - Prices defined in each available currency option. Each key must be a three-letter ISO currency code and a supported currency.
• custom_unit_amount - When set, provides configuration for the amount to be adjusted by the customer during Checkout Sessions and Payment Links.
• expand - Specifies which fields in the response should be expanded.
• lookup_key - A lookup key used to retrieve prices dynamically from a static string. This may be up to 200 characters. Max length: 200.
• metadata - 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. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to metadata.
• nickname - A brief description of the price, hidden from customers. Max length: 5000.
• product - The ID of the Product that this Price will belong to. Max length: 5000.
• product_data - These fields can be used to create a new product that this price will belong to.
• recurring - The recurring components of a price such as interval and usage_type.
• tax_behavior - 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 values: exclusive, inclusive, unspecified.
• tiers - Each element represents a pricing tier. This parameter requires billing_scheme to be set to tiered. See also the documentation for billing_scheme.
• tiers_mode - 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 successively change as the quantity grows. Possible values: graduated, volume.
• transfer_lookup_key - If set to true, will atomically remove the lookup key from the existing price, and assign it to this price.
• transform_quantity - Apply a transformation to the reported usage or set quantity before computing the billed price. Cannot be combined with tiers.
• unit_amount - A positive integer in cents (or local equivalent) (or 0 for a free price) representing how much to charge. One of unit_amount, unit_amount_decimal, or custom_unit_amount is required, unless billing_scheme=tiered.
• unit_amount_decimal - Same as unit_amount, but accepts a decimal value in cents (or local equivalent) with at most 12 decimal places. Only one of unit_amount and unit_amount_decimal can be set. Format: decimal string.

@type tiers() :: %{
  optional(:flat_amount) => integer() | nil,
  optional(:flat_amount_decimal) => String.t() | nil,
  optional(:unit_amount) => integer() | nil,
  optional(:unit_amount_decimal) => String.t() | nil,
  optional(:up_to) => map() | nil,
  optional(String.t()) => term()
}

• flat_amount - The flat billing amount for an entire tier, regardless of the number of units in the tier.
• flat_amount_decimal - Same as flat_amount, but accepts a decimal value representing an integer in the minor units of the currency. Only one of flat_amount and flat_amount_decimal can be set. Format: decimal string.
• unit_amount - The per unit billing amount for each individual unit for which this tier applies.
• unit_amount_decimal - Same as unit_amount, but accepts a decimal value in cents (or local equivalent) with at most 12 decimal places. Only one of unit_amount and unit_amount_decimal can be set. Format: decimal string.
• up_to - Specifies the upper bound of this tier. The lower bound of a tier is the upper bound of the previous tier adding one. Use inf to define a fallback tier.

@type transform_quantity() :: %{
  optional(:divide_by) => integer() | nil,
  optional(:round) => String.t() | nil,
  optional(String.t()) => term()
}

• divide_by - Divide usage by this number.
• round - After division, either round the result up or down. Possible values: down, up.