diff --git a/src/resources.rs b/src/resources.rs
index 3f38188af..d8bcd3830 100644
--- a/src/resources.rs
+++ b/src/resources.rs
@@ -56,6 +56,7 @@ mod billing {
 mod products {
     pub mod price_ext;
     pub mod product_ext;
+    pub mod promotion_code_ext;
 }
 
 #[path = "resources"]
@@ -199,6 +200,7 @@ pub use {
     products::{
         product_ext::*,
         price_ext::*,
+        promotion_code_ext::*,
     }
 };
 
diff --git a/src/resources/promotion_code_ext.rs b/src/resources/promotion_code_ext.rs
new file mode 100644
index 000000000..858c3fd80
--- /dev/null
+++ b/src/resources/promotion_code_ext.rs
@@ -0,0 +1,107 @@
+use crate::client::{Client, Response};
+use crate::resources::{Currency, PromotionCode};
+
+#[derive(Copy, Clone, Debug, serde::Serialize)]
+pub struct CreatePromotionCode<'a> {
+    /// Whether the promotion code is currently active.
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub active: Option<bool>,
+    /// The customer-facing code.
+    ///
+    /// Regardless of case, this code must be unique across all active promotion codes for a specific customer.
+    /// If left blank, we will generate one automatically.
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub code: Option<&'a str>,
+    /// The coupon for this promotion code.
+    pub coupon: &'a str,
+    /// The customer that this promotion code can be used by.
+    ///
+    /// If not set, the promotion code can be used by all customers.
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub customer: Option<&'a str>,
+    /// Specifies which fields in the response should be expanded.
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub expand: Option<&'a [&'a str]>,
+    /// The timestamp at which this promotion code will expire.
+    ///
+    /// If the coupon has specified a `redeems_by`, then this value cannot be after the coupon's `redeems_by`.
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub expires_at: Option<i64>,
+    /// A positive integer specifying the number of times the promotion code can be redeemed.
+    ///
+    /// If the coupon has specified a `max_redemptions`, then this value cannot be greater than the coupon's `max_redemptions`.
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub max_redemptions: Option<i64>,
+    /// Set of [key-value pairs](https://stripe.com/docs/api/metadata) 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`.
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub metadata: Option<&'a std::collections::HashMap<String, String>>,
+    /// Settings that restrict the redemption of the promotion code.
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub restrictions: Option<CreatePromotionCodeRestrictions<'a>>,
+}
+impl<'a> CreatePromotionCode<'a> {
+    pub fn new(coupon: &'a str) -> Self {
+        Self {
+            active: None,
+            code: None,
+            coupon,
+            customer: None,
+            expand: None,
+            expires_at: None,
+            max_redemptions: None,
+            metadata: None,
+            restrictions: None,
+        }
+    }
+}
+/// Settings that restrict the redemption of the promotion code.
+#[derive(Copy, Clone, Debug, Default, serde::Serialize)]
+pub struct CreatePromotionCodeRestrictions<'a> {
+    /// Promotion codes defined in each available currency option.
+    ///
+    /// Each key must be a three-letter [ISO currency code](https://www.iso.org/iso-4217-currency-codes.html) and a [supported currency](https://stripe.com/docs/currencies).
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub currency_options: Option<
+        &'a std::collections::HashMap<Currency, CreatePromotionCodeRestrictionsCurrencyOptions>,
+    >,
+    /// A Boolean indicating if the Promotion Code should only be redeemed for Customers without any successful payments or invoices.
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub first_time_transaction: Option<bool>,
+    /// Minimum amount required to redeem this Promotion Code into a Coupon (e.g., a purchase must be $100 or more to work).
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub minimum_amount: Option<i64>,
+    /// Three-letter [ISO code](https://stripe.com/docs/currencies) for minimum_amount.
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub minimum_amount_currency: Option<Currency>,
+}
+impl<'a> CreatePromotionCodeRestrictions<'a> {
+    pub fn new() -> Self {
+        Self::default()
+    }
+}
+/// Promotion codes defined in each available currency option.
+///
+/// Each key must be a three-letter [ISO currency code](https://www.iso.org/iso-4217-currency-codes.html) and a [supported currency](https://stripe.com/docs/currencies).
+#[derive(Copy, Clone, Debug, Default, serde::Serialize)]
+pub struct CreatePromotionCodeRestrictionsCurrencyOptions {
+    /// Minimum amount required to redeem this Promotion Code into a Coupon (e.g., a purchase must be $100 or more to work).
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub minimum_amount: Option<i64>,
+}
+impl CreatePromotionCodeRestrictionsCurrencyOptions {
+    pub fn new() -> Self {
+        Self::default()
+    }
+}
+impl<'a> CreatePromotionCode<'a> {
+    /// A promotion code points to a coupon.
+    ///
+    /// You can optionally restrict the code to a specific customer, redemption limit, and expiration date.
+    pub fn send(&self, client: &Client) -> Response<PromotionCode> {
+        client.post_form("/promotion_codes", self)
+    }
+}