Increase · stainless-app · Mar 9, 2026 · Mar 9, 2026 · Mar 9, 2026
diff --git a/.release-please-manifest.json b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.446.0"
+  ".": "0.447.0"
 }
diff --git a/.stats.yml b/.stats.yml
@@ -1,4 +1,4 @@
 configured_endpoints: 234
-openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/increase%2Fincrease-dd0c83cac837fbe98857fa997663b0d0469344a7564bd4fe506e6c71d1d6af73.yml
-openapi_spec_hash: 2352f37602105b164533038199b21804
+openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/increase%2Fincrease-6157ec57275bc58dca42adf9d0b661f6dcfd725df7593dc453833dfcdcf33a8b.yml
+openapi_spec_hash: 0a80ae7882f3d72a333b80efe58ff5ea
 config_hash: b7ec7f54fa76c1f8bde7a548710a1d38
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## 0.447.0 (2026-03-09)
+
+Full Changelog: [v0.446.0...v0.447.0](https://github.com/Increase/increase-kotlin/compare/v0.446.0...v0.447.0)
+
+### Features
+
+* **api:** api update ([970eeee](https://github.com/Increase/increase-kotlin/commit/970eeeed69affd8247025b22ff135351ca52c051))
+
 ## 0.446.0 (2026-03-08)
 
 Full Changelog: [v0.445.0...v0.446.0](https://github.com/Increase/increase-kotlin/compare/v0.445.0...v0.446.0)

diff --git a/README.md b/README.md
@@ -2,8 +2,8 @@
 
 <!-- x-release-please-start-version -->
 
-[![Maven Central](https://img.shields.io/maven-central/v/com.increase.api/increase-kotlin)](https://central.sonatype.com/artifact/com.increase.api/increase-kotlin/0.446.0)
-[![javadoc](https://javadoc.io/badge2/com.increase.api/increase-kotlin/0.446.0/javadoc.svg)](https://javadoc.io/doc/com.increase.api/increase-kotlin/0.446.0)
+[![Maven Central](https://img.shields.io/maven-central/v/com.increase.api/increase-kotlin)](https://central.sonatype.com/artifact/com.increase.api/increase-kotlin/0.447.0)
+[![javadoc](https://javadoc.io/badge2/com.increase.api/increase-kotlin/0.447.0/javadoc.svg)](https://javadoc.io/doc/com.increase.api/increase-kotlin/0.447.0)
 
 <!-- x-release-please-end -->
 
@@ -13,7 +13,7 @@ The Increase Kotlin SDK is similar to the Increase Java SDK but with minor diffe
 
 <!-- x-release-please-start-version -->
 
-The REST API documentation can be found on [increase.com](https://increase.com/documentation). KDocs are available on [javadoc.io](https://javadoc.io/doc/com.increase.api/increase-kotlin/0.446.0).
+The REST API documentation can be found on [increase.com](https://increase.com/documentation). KDocs are available on [javadoc.io](https://javadoc.io/doc/com.increase.api/increase-kotlin/0.447.0).
 
 <!-- x-release-please-end -->
 
@@ -24,7 +24,7 @@ The REST API documentation can be found on [increase.com](https://increase.com/d
 ### Gradle
 
 ```kotlin
-implementation("com.increase.api:increase-kotlin:0.446.0")
+implementation("com.increase.api:increase-kotlin:0.447.0")
 ```
 
 ### Maven
@@ -33,7 +33,7 @@ implementation("com.increase.api:increase-kotlin:0.446.0")
 <dependency>
   <groupId>com.increase.api</groupId>
   <artifactId>increase-kotlin</artifactId>
-  <version>0.446.0</version>
+  <version>0.447.0</version>
 </dependency>
 ```
 

diff --git a/build.gradle.kts b/build.gradle.kts
@@ -8,7 +8,7 @@ repositories {
 
 allprojects {
     group = "com.increase.api"
-    version = "0.446.0" // x-release-please-version
+    version = "0.447.0" // x-release-please-version
 }
 
 subprojects {

diff --git a/increase-kotlin-core/src/main/kotlin/com/increase/api/models/cardpayments/CardPayment.kt b/increase-kotlin-core/src/main/kotlin/com/increase/api/models/cardpayments/CardPayment.kt
@@ -2071,41 +2071,37 @@ private constructor(
              * The merchant identifier (commonly abbreviated as MID) of the merchant the card is
              * transacting with.
              *
-             * @throws IncreaseInvalidDataException if the JSON field has an unexpected type or is
-             *   unexpectedly missing or null (e.g. if the server responded with an unexpected
-             *   value).
+             * @throws IncreaseInvalidDataException if the JSON field has an unexpected type (e.g.
+             *   if the server responded with an unexpected value).
              */
-            fun merchantAcceptorId(): String =
-                merchantAcceptorId.getRequired("merchant_acceptor_id")
+            fun merchantAcceptorId(): String? =
+                merchantAcceptorId.getNullable("merchant_acceptor_id")
 
             /**
              * The Merchant Category Code (commonly abbreviated as MCC) of the merchant the card is
              * transacting with.
              *
-             * @throws IncreaseInvalidDataException if the JSON field has an unexpected type or is
-             *   unexpectedly missing or null (e.g. if the server responded with an unexpected
-             *   value).
+             * @throws IncreaseInvalidDataException if the JSON field has an unexpected type (e.g.
+             *   if the server responded with an unexpected value).
              */
-            fun merchantCategoryCode(): String =
-                merchantCategoryCode.getRequired("merchant_category_code")
+            fun merchantCategoryCode(): String? =
+                merchantCategoryCode.getNullable("merchant_category_code")
 
             /**
              * The country the merchant resides in.
              *
-             * @throws IncreaseInvalidDataException if the JSON field has an unexpected type or is
-             *   unexpectedly missing or null (e.g. if the server responded with an unexpected
-             *   value).
+             * @throws IncreaseInvalidDataException if the JSON field has an unexpected type (e.g.
+             *   if the server responded with an unexpected value).
              */
-            fun merchantCountry(): String = merchantCountry.getRequired("merchant_country")
+            fun merchantCountry(): String? = merchantCountry.getNullable("merchant_country")
 
             /**
              * The name of the merchant.
              *
-             * @throws IncreaseInvalidDataException if the JSON field has an unexpected type or is
-             *   unexpectedly missing or null (e.g. if the server responded with an unexpected
-             *   value).
+             * @throws IncreaseInvalidDataException if the JSON field has an unexpected type (e.g.
+             *   if the server responded with an unexpected value).
              */
-            fun merchantName(): String = merchantName.getRequired("merchant_name")
+            fun merchantName(): String? = merchantName.getNullable("merchant_name")
 
             /**
              * The ID of a prior Card Authentication that the requestor used to authenticate this
@@ -3198,8 +3194,8 @@ private constructor(
                  * The merchant identifier (commonly abbreviated as MID) of the merchant the card is
                  * transacting with.
                  */
-                fun merchantAcceptorId(merchantAcceptorId: String) =
-                    merchantAcceptorId(JsonField.of(merchantAcceptorId))
+                fun merchantAcceptorId(merchantAcceptorId: String?) =
+                    merchantAcceptorId(JsonField.ofNullable(merchantAcceptorId))
 
                 /**
                  * Sets [Builder.merchantAcceptorId] to an arbitrary JSON value.
@@ -3216,8 +3212,8 @@ private constructor(
                  * The Merchant Category Code (commonly abbreviated as MCC) of the merchant the card
                  * is transacting with.
                  */
-                fun merchantCategoryCode(merchantCategoryCode: String) =
-                    merchantCategoryCode(JsonField.of(merchantCategoryCode))
+                fun merchantCategoryCode(merchantCategoryCode: String?) =
+                    merchantCategoryCode(JsonField.ofNullable(merchantCategoryCode))
 
                 /**
                  * Sets [Builder.merchantCategoryCode] to an arbitrary JSON value.
@@ -3231,8 +3227,8 @@ private constructor(
                 }
 
                 /** The country the merchant resides in. */
-                fun merchantCountry(merchantCountry: String) =
-                    merchantCountry(JsonField.of(merchantCountry))
+                fun merchantCountry(merchantCountry: String?) =
+                    merchantCountry(JsonField.ofNullable(merchantCountry))
 
                 /**
                  * Sets [Builder.merchantCountry] to an arbitrary JSON value.
@@ -3246,7 +3242,8 @@ private constructor(
                 }
 
                 /** The name of the merchant. */
-                fun merchantName(merchantName: String) = merchantName(JsonField.of(merchantName))
+                fun merchantName(merchantName: String?) =
+                    merchantName(JsonField.ofNullable(merchantName))
 
                 /**
                  * Sets [Builder.merchantName] to an arbitrary JSON value.

diff --git a/...kotlin-core/src/main/kotlin/com/increase/api/models/realtimedecisions/RealTimeDecision.kt b/...kotlin-core/src/main/kotlin/com/increase/api/models/realtimedecisions/RealTimeDecision.kt
@@ -995,36 +995,36 @@ private constructor(
          * The merchant identifier (commonly abbreviated as MID) of the merchant the card is
          * transacting with.
          *
-         * @throws IncreaseInvalidDataException if the JSON field has an unexpected type or is
-         *   unexpectedly missing or null (e.g. if the server responded with an unexpected value).
+         * @throws IncreaseInvalidDataException if the JSON field has an unexpected type (e.g. if
+         *   the server responded with an unexpected value).
          */
-        fun merchantAcceptorId(): String = merchantAcceptorId.getRequired("merchant_acceptor_id")
+        fun merchantAcceptorId(): String? = merchantAcceptorId.getNullable("merchant_acceptor_id")
 
         /**
          * The Merchant Category Code (commonly abbreviated as MCC) of the merchant the card is
          * transacting with.
          *
-         * @throws IncreaseInvalidDataException if the JSON field has an unexpected type or is
-         *   unexpectedly missing or null (e.g. if the server responded with an unexpected value).
+         * @throws IncreaseInvalidDataException if the JSON field has an unexpected type (e.g. if
+         *   the server responded with an unexpected value).
          */
-        fun merchantCategoryCode(): String =
-            merchantCategoryCode.getRequired("merchant_category_code")
+        fun merchantCategoryCode(): String? =
+            merchantCategoryCode.getNullable("merchant_category_code")
 
         /**
          * The country the merchant resides in.
          *
-         * @throws IncreaseInvalidDataException if the JSON field has an unexpected type or is
-         *   unexpectedly missing or null (e.g. if the server responded with an unexpected value).
+         * @throws IncreaseInvalidDataException if the JSON field has an unexpected type (e.g. if
+         *   the server responded with an unexpected value).
          */
-        fun merchantCountry(): String = merchantCountry.getRequired("merchant_country")
+        fun merchantCountry(): String? = merchantCountry.getNullable("merchant_country")
 
         /**
          * The name of the merchant.
          *
-         * @throws IncreaseInvalidDataException if the JSON field has an unexpected type or is
-         *   unexpectedly missing or null (e.g. if the server responded with an unexpected value).
+         * @throws IncreaseInvalidDataException if the JSON field has an unexpected type (e.g. if
+         *   the server responded with an unexpected value).
          */
-        fun merchantName(): String = merchantName.getRequired("merchant_name")
+        fun merchantName(): String? = merchantName.getNullable("merchant_name")
 
         /**
          * The ID of a prior Card Authentication that the requestor used to authenticate this
@@ -1972,8 +1972,8 @@ private constructor(
              * The merchant identifier (commonly abbreviated as MID) of the merchant the card is
              * transacting with.
              */
-            fun merchantAcceptorId(merchantAcceptorId: String) =
-                merchantAcceptorId(JsonField.of(merchantAcceptorId))
+            fun merchantAcceptorId(merchantAcceptorId: String?) =
+                merchantAcceptorId(JsonField.ofNullable(merchantAcceptorId))
 
             /**
              * Sets [Builder.merchantAcceptorId] to an arbitrary JSON value.
@@ -1990,8 +1990,8 @@ private constructor(
              * The Merchant Category Code (commonly abbreviated as MCC) of the merchant the card is
              * transacting with.
              */
-            fun merchantCategoryCode(merchantCategoryCode: String) =
-                merchantCategoryCode(JsonField.of(merchantCategoryCode))
+            fun merchantCategoryCode(merchantCategoryCode: String?) =
+                merchantCategoryCode(JsonField.ofNullable(merchantCategoryCode))
 
             /**
              * Sets [Builder.merchantCategoryCode] to an arbitrary JSON value.
@@ -2005,8 +2005,8 @@ private constructor(
             }
 
             /** The country the merchant resides in. */
-            fun merchantCountry(merchantCountry: String) =
-                merchantCountry(JsonField.of(merchantCountry))
+            fun merchantCountry(merchantCountry: String?) =
+                merchantCountry(JsonField.ofNullable(merchantCountry))
 
             /**
              * Sets [Builder.merchantCountry] to an arbitrary JSON value.
@@ -2020,7 +2020,8 @@ private constructor(
             }
 
             /** The name of the merchant. */
-            fun merchantName(merchantName: String) = merchantName(JsonField.of(merchantName))
+            fun merchantName(merchantName: String?) =
+                merchantName(JsonField.ofNullable(merchantName))
 
             /**
              * Sets [Builder.merchantName] to an arbitrary JSON value.