diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index a24ae611f..033d6f3df 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.131.0"
+  ".": "0.131.1"
 }
\ No newline at end of file
diff --git a/.stats.yml b/.stats.yml
index 189b2dd2a..9c19fa158 100644
--- a/.stats.yml
+++ b/.stats.yml
@@ -1,4 +1,4 @@
 configured_endpoints: 214
-openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/lithic/lithic-9e397c65ffb81e2928b8ecf979769a79131ae6058b6fb373a5e930dc8a168732.yml
-openapi_spec_hash: 93aea3855d2d1c390107d223762aa818
+openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/lithic/lithic-021aecb037a2f6b44056d6ebe08129e55f2dd95d8a6944c6e2c1c8e2bede56b4.yml
+openapi_spec_hash: 3567c6592916d79ce38248d922cd0db6
 config_hash: 5bb913c05ebeb301ec925b16e75bb251
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 98d31de2f..e62ab4757 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,14 @@
 # Changelog
 
+## 0.131.1 (2026-07-16)
+
+Full Changelog: [v0.131.0...v0.131.1](https://github.com/lithic-com/lithic-java/compare/v0.131.0...v0.131.1)
+
+### Documentation
+
+* **api:** clarify simulateClearing supports multiple calls ([326d02d](https://github.com/lithic-com/lithic-java/commit/326d02d42d76d0f79391d693a9bdd4068e784b94))
+* **api:** update category parameter description in external_payment list ([7afdd50](https://github.com/lithic-com/lithic-java/commit/7afdd50d02a66cc8e5fa76133d333c5ffbccab38))
+
 ## 0.131.0 (2026-06-29)
 
 Full Changelog: [v0.130.0...v0.131.0](https://github.com/lithic-com/lithic-java/compare/v0.130.0...v0.131.0)
diff --git a/README.md b/README.md
index 2a94f696a..941253fbe 100644
--- 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.lithic.api/lithic-java)](https://central.sonatype.com/artifact/com.lithic.api/lithic-java/0.131.0)
-[![javadoc](https://javadoc.io/badge2/com.lithic.api/lithic-java/0.131.0/javadoc.svg)](https://javadoc.io/doc/com.lithic.api/lithic-java/0.131.0)
+[![Maven Central](https://img.shields.io/maven-central/v/com.lithic.api/lithic-java)](https://central.sonatype.com/artifact/com.lithic.api/lithic-java/0.131.1)
+[![javadoc](https://javadoc.io/badge2/com.lithic.api/lithic-java/0.131.1/javadoc.svg)](https://javadoc.io/doc/com.lithic.api/lithic-java/0.131.1)
 
 <!-- x-release-please-end -->
 
@@ -22,7 +22,7 @@ Use the Lithic MCP Server to enable AI assistants to interact with this API, all
 
 <!-- x-release-please-start-version -->
 
-The REST API documentation can be found on [docs.lithic.com](https://docs.lithic.com). Javadocs are available on [javadoc.io](https://javadoc.io/doc/com.lithic.api/lithic-java/0.131.0).
+The REST API documentation can be found on [docs.lithic.com](https://docs.lithic.com). Javadocs are available on [javadoc.io](https://javadoc.io/doc/com.lithic.api/lithic-java/0.131.1).
 
 <!-- x-release-please-end -->
 
@@ -33,7 +33,7 @@ The REST API documentation can be found on [docs.lithic.com](https://docs.lithic
 ### Gradle
 
 ```kotlin
-implementation("com.lithic.api:lithic-java:0.131.0")
+implementation("com.lithic.api:lithic-java:0.131.1")
 ```
 
 ### Maven
@@ -42,7 +42,7 @@ implementation("com.lithic.api:lithic-java:0.131.0")
 <dependency>
   <groupId>com.lithic.api</groupId>
   <artifactId>lithic-java</artifactId>
-  <version>0.131.0</version>
+  <version>0.131.1</version>
 </dependency>
 ```
 
diff --git a/build.gradle.kts b/build.gradle.kts
index 2bed69f41..830fd521c 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -8,7 +8,7 @@ repositories {
 
 allprojects {
     group = "com.lithic.api"
-    version = "0.131.0" // x-release-please-version
+    version = "0.131.1" // x-release-please-version
 }
 
 subprojects {
diff --git a/lithic-java-core/src/main/kotlin/com/lithic/api/models/ExternalPaymentListParams.kt b/lithic-java-core/src/main/kotlin/com/lithic/api/models/ExternalPaymentListParams.kt
index 6bed53d3c..c4a356486 100644
--- a/lithic-java-core/src/main/kotlin/com/lithic/api/models/ExternalPaymentListParams.kt
+++ b/lithic-java-core/src/main/kotlin/com/lithic/api/models/ExternalPaymentListParams.kt
@@ -40,7 +40,7 @@ private constructor(
 
     fun businessAccountToken(): Optional<String> = Optional.ofNullable(businessAccountToken)
 
-    /** External Payment category to be returned. */
+    /** The external rail the funds moved on */
     fun category(): Optional<ExternalPaymentCategory> = Optional.ofNullable(category)
 
     /**
@@ -146,7 +146,7 @@ private constructor(
         fun businessAccountToken(businessAccountToken: Optional<String>) =
             businessAccountToken(businessAccountToken.getOrNull())
 
-        /** External Payment category to be returned. */
+        /** The external rail the funds moved on */
         fun category(category: ExternalPaymentCategory?) = apply { this.category = category }
 
         /** Alias for calling [Builder.category] with `category.orElse(null)`. */
@@ -359,7 +359,7 @@ private constructor(
             }
             .build()
 
-    /** External Payment category to be returned. */
+    /** The external rail the funds moved on */
     class ExternalPaymentCategory
     @JsonCreator
     private constructor(private val value: JsonField<String>) : Enum {
diff --git a/lithic-java-core/src/main/kotlin/com/lithic/api/models/TransactionSimulateClearingParams.kt b/lithic-java-core/src/main/kotlin/com/lithic/api/models/TransactionSimulateClearingParams.kt
index c55973a8d..ba0dac9d5 100644
--- a/lithic-java-core/src/main/kotlin/com/lithic/api/models/TransactionSimulateClearingParams.kt
+++ b/lithic-java-core/src/main/kotlin/com/lithic/api/models/TransactionSimulateClearingParams.kt
@@ -23,8 +23,9 @@ import java.util.Optional
  * Clears an existing authorization, either debit or credit. After this event, the transaction
  * transitions from `PENDING` to `SETTLED` status.
  *
- * If `amount` is not set, the full amount of the transaction will be cleared. Transactions that
- * have already cleared, either partially or fully, cannot be cleared again using this endpoint.
+ * If `amount` is not set, the full amount of the transaction will be cleared. This endpoint may be
+ * called multiple times against the same authorization to simulate a multiple-completion scenario,
+ * with each call creating a separate clearing event.
  */
 class TransactionSimulateClearingParams
 private constructor(
@@ -48,8 +49,9 @@ private constructor(
      * result in a -100 amount in the transaction, if the original authorization is a credit
      * authorization.
      *
-     * If `amount` is not set, the full amount of the transaction will be cleared. Transactions that
-     * have already cleared, either partially or fully, cannot be cleared again using this endpoint.
+     * If `amount` is not set, the full amount of the transaction will be cleared. This endpoint may
+     * be called multiple times against the same authorization to simulate a multiple-completion
+     * scenario, with each call creating a separate clearing event.
      *
      * @throws LithicInvalidDataException if the JSON field has an unexpected type (e.g. if the
      *   server responded with an unexpected value).
@@ -138,9 +140,9 @@ private constructor(
          * field will result in a -100 amount in the transaction, if the original authorization is a
          * credit authorization.
          *
-         * If `amount` is not set, the full amount of the transaction will be cleared. Transactions
-         * that have already cleared, either partially or fully, cannot be cleared again using this
-         * endpoint.
+         * If `amount` is not set, the full amount of the transaction will be cleared. This endpoint
+         * may be called multiple times against the same authorization to simulate a
+         * multiple-completion scenario, with each call creating a separate clearing event.
          */
         fun amount(amount: Long) = apply { body.amount(amount) }
 
@@ -324,9 +326,9 @@ private constructor(
          * field will result in a -100 amount in the transaction, if the original authorization is a
          * credit authorization.
          *
-         * If `amount` is not set, the full amount of the transaction will be cleared. Transactions
-         * that have already cleared, either partially or fully, cannot be cleared again using this
-         * endpoint.
+         * If `amount` is not set, the full amount of the transaction will be cleared. This endpoint
+         * may be called multiple times against the same authorization to simulate a
+         * multiple-completion scenario, with each call creating a separate clearing event.
          *
          * @throws LithicInvalidDataException if the JSON field has an unexpected type (e.g. if the
          *   server responded with an unexpected value).
@@ -405,9 +407,9 @@ private constructor(
              * this field will result in a -100 amount in the transaction, if the original
              * authorization is a credit authorization.
              *
-             * If `amount` is not set, the full amount of the transaction will be cleared.
-             * Transactions that have already cleared, either partially or fully, cannot be cleared
-             * again using this endpoint.
+             * If `amount` is not set, the full amount of the transaction will be cleared. This
+             * endpoint may be called multiple times against the same authorization to simulate a
+             * multiple-completion scenario, with each call creating a separate clearing event.
              */
             fun amount(amount: Long) = amount(JsonField.of(amount))
 
diff --git a/lithic-java-core/src/main/kotlin/com/lithic/api/services/async/TransactionServiceAsync.kt b/lithic-java-core/src/main/kotlin/com/lithic/api/services/async/TransactionServiceAsync.kt
index 334a63c3f..923a3b83c 100644
--- a/lithic-java-core/src/main/kotlin/com/lithic/api/services/async/TransactionServiceAsync.kt
+++ b/lithic-java-core/src/main/kotlin/com/lithic/api/services/async/TransactionServiceAsync.kt
@@ -217,8 +217,9 @@ interface TransactionServiceAsync {
      * Clears an existing authorization, either debit or credit. After this event, the transaction
      * transitions from `PENDING` to `SETTLED` status.
      *
-     * If `amount` is not set, the full amount of the transaction will be cleared. Transactions that
-     * have already cleared, either partially or fully, cannot be cleared again using this endpoint.
+     * If `amount` is not set, the full amount of the transaction will be cleared. This endpoint may
+     * be called multiple times against the same authorization to simulate a multiple-completion
+     * scenario, with each call creating a separate clearing event.
      */
     fun simulateClearing(
         params: TransactionSimulateClearingParams
diff --git a/lithic-java-core/src/main/kotlin/com/lithic/api/services/blocking/TransactionService.kt b/lithic-java-core/src/main/kotlin/com/lithic/api/services/blocking/TransactionService.kt
index 69b54af87..2a8e7c3bb 100644
--- a/lithic-java-core/src/main/kotlin/com/lithic/api/services/blocking/TransactionService.kt
+++ b/lithic-java-core/src/main/kotlin/com/lithic/api/services/blocking/TransactionService.kt
@@ -206,8 +206,9 @@ interface TransactionService {
      * Clears an existing authorization, either debit or credit. After this event, the transaction
      * transitions from `PENDING` to `SETTLED` status.
      *
-     * If `amount` is not set, the full amount of the transaction will be cleared. Transactions that
-     * have already cleared, either partially or fully, cannot be cleared again using this endpoint.
+     * If `amount` is not set, the full amount of the transaction will be cleared. This endpoint may
+     * be called multiple times against the same authorization to simulate a multiple-completion
+     * scenario, with each call creating a separate clearing event.
      */
     fun simulateClearing(
         params: TransactionSimulateClearingParams