diff --git a/CHANGELOG.md b/CHANGELOG.md
index e5f41717..242639fe 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,10 @@
 # CHANGELOG
 
-## v7.8.0 (2025-06-25)
+## v7.9.0 (2026-07-01)
+
+- Adds `PaymentMode` to carrier account create params
+
+## v7.8.0 (2026-06-25)
 
 - Adds `params` to `requestPin` ensuring users can pass `easypost_details` to the call
 
diff --git a/EasyPost.nuspec b/EasyPost.nuspec
index 3ebe223f..3aa9235b 100644
--- a/EasyPost.nuspec
+++ b/EasyPost.nuspec
@@ -3,7 +3,7 @@
     <metadata>
         <id>EasyPost-Official</id>
         <title>EasyPost (Official)</title>
-        <version>7.8.0</version>
+        <version>7.9.0</version>
         <authors>EasyPost</authors>
         <owners>EasyPost</owners>
         <projectUrl>https://www.easypost.com</projectUrl>
diff --git a/EasyPost/Models/API/CarrierAccount.cs b/EasyPost/Models/API/CarrierAccount.cs
index c9a29ee2..6b3128b8 100644
--- a/EasyPost/Models/API/CarrierAccount.cs
+++ b/EasyPost/Models/API/CarrierAccount.cs
@@ -74,6 +74,12 @@ public class CarrierAccount : EasyPostObject, Parameters.ICarrierAccountParamete
         [JsonProperty("type")]
         public string? Type { get; set; }
 
+        /// <summary>
+        ///     The payment mode for the associated carrier account.
+        /// </summary>
+        [JsonProperty("payment_mode")]
+        public string? PaymentMode { get; set; }
+
         #endregion
     }
 }
diff --git a/EasyPost/Parameters/CarrierAccount/Create.cs b/EasyPost/Parameters/CarrierAccount/Create.cs
index e3e5fb5b..c8d60be8 100644
--- a/EasyPost/Parameters/CarrierAccount/Create.cs
+++ b/EasyPost/Parameters/CarrierAccount/Create.cs
@@ -44,6 +44,12 @@ public class Create : ACreate
         [TopLevelRequestParameter(Necessity.Required, "carrier_account", "type")]
         public override string? Type { get; set; }
 
+        /// <summary>
+        ///     Payment mode for the new <see cref="Models.API.CarrierAccount"/>.
+        /// </summary>
+        [TopLevelRequestParameter(Necessity.Optional, "carrier_account", "payment_mode")]
+        public string? PaymentMode { get; set; }
+
         #endregion
 
         /// <summary>
diff --git a/EasyPost/Properties/VersionInfo.cs b/EasyPost/Properties/VersionInfo.cs
index 2f52c1a8..e9045c55 100644
--- a/EasyPost/Properties/VersionInfo.cs
+++ b/EasyPost/Properties/VersionInfo.cs
@@ -2,6 +2,6 @@
 
 // Version information for an assembly must follow semantic versioning
 // When releasing a release candidate, append a 4th digit being the number of the release candidate
-[assembly: AssemblyVersion("7.8.0")]
-[assembly: AssemblyFileVersion("7.8.0")]
-[assembly: AssemblyInformationalVersion("7.8.0")]
+[assembly: AssemblyVersion("7.9.0")]
+[assembly: AssemblyFileVersion("7.9.0")]
+[assembly: AssemblyInformationalVersion("7.9.0")]