diff --git a/src/Api/AdminConsole/Models/Request/Organizations/OrganizationCreateRequestModel.cs b/src/Api/AdminConsole/Models/Request/Organizations/OrganizationCreateRequestModel.cs
index 6373da9902cf..af3e52a5f0b4 100644
--- a/src/Api/AdminConsole/Models/Request/Organizations/OrganizationCreateRequestModel.cs
+++ b/src/Api/AdminConsole/Models/Request/Organizations/OrganizationCreateRequestModel.cs
@@ -33,6 +33,7 @@ public class OrganizationCreateRequestModel : IValidatableObject
     [Required]
     public string Key { get; set; }
 
+    [Required]
     public OrganizationKeysRequestModel Keys { get; set; }
     public PaymentMethodType? PaymentMethodType { get; set; }
     public string PaymentToken { get; set; }
@@ -117,7 +118,7 @@ public virtual OrganizationSignup ToOrganizationSignup(User user)
             InitiationPath = InitiationPath,
             SkipTrial = SkipTrial,
             Coupons = Coupons,
-            Keys = Keys?.ToPublicKeyEncryptionKeyPairData()
+            Keys = Keys.ToPublicKeyEncryptionKeyPairData()
         };
 
         return orgSignup;
diff --git a/src/Api/AdminConsole/Models/Request/Organizations/OrganizationNoPaymentCreateRequest.cs b/src/Api/AdminConsole/Models/Request/Organizations/OrganizationNoPaymentCreateRequest.cs
index 81d7c413ebb0..47d04a0ee62e 100644
--- a/src/Api/AdminConsole/Models/Request/Organizations/OrganizationNoPaymentCreateRequest.cs
+++ b/src/Api/AdminConsole/Models/Request/Organizations/OrganizationNoPaymentCreateRequest.cs
@@ -32,6 +32,7 @@ public class OrganizationNoPaymentCreateRequest
     [Required]
     public string Key { get; set; }
 
+    [Required]
     public OrganizationKeysRequestModel Keys { get; set; }
     public PaymentMethodType? PaymentMethodType { get; set; }
     public string PaymentToken { get; set; }
@@ -110,7 +111,7 @@ public virtual OrganizationSignup ToOrganizationSignup(User user)
                 BillingAddressCountry = BillingAddressCountry,
             },
             InitiationPath = InitiationPath,
-            Keys = Keys?.ToPublicKeyEncryptionKeyPairData()
+            Keys = Keys.ToPublicKeyEncryptionKeyPairData()
         };
 
         return orgSignup;
diff --git a/test/Api.IntegrationTest/AdminConsole/Controllers/OrganizationsControllerPerformanceTests.cs b/test/Api.IntegrationTest/AdminConsole/Controllers/OrganizationsControllerPerformanceTests.cs
index 1bea3dd7203b..a9243a5476dd 100644
--- a/test/Api.IntegrationTest/AdminConsole/Controllers/OrganizationsControllerPerformanceTests.cs
+++ b/test/Api.IntegrationTest/AdminConsole/Controllers/OrganizationsControllerPerformanceTests.cs
@@ -155,7 +155,12 @@ public async Task CreateOrganization_WithoutPayment()
             AdditionalServiceAccounts = 2,
             MaxAutoscaleSeats = 100,
             PremiumAccessAddon = false,
-            CollectionName = "2.AOs41Hd8OQiCPXjyJKCiDA==|O6OHgt2U2hJGBSNGnimJmg==|iD33s8B69C8JhYYhSa4V1tArjvLr8eEaGqOV7BRo5Jk="
+            CollectionName = "2.AOs41Hd8OQiCPXjyJKCiDA==|O6OHgt2U2hJGBSNGnimJmg==|iD33s8B69C8JhYYhSa4V1tArjvLr8eEaGqOV7BRo5Jk=",
+            Keys = new OrganizationKeysRequestModel
+            {
+                PublicKey = "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAl0OaLBJiGh5GJmX8hV/a",
+                EncryptedPrivateKey = "2.AOs41Hd8OQiCPXjyJKCiDA==|O6OHgt2U2hJGBSNGnimJmg==|iD33s8B69C8JhYYhSa4V1tArjvLr8eEaGqOV7BRo5Jk="
+            }
         };
 
         var requestContent = new StringContent(JsonSerializer.Serialize(createRequest), Encoding.UTF8, "application/json");
diff --git a/test/Api.Test/AdminConsole/Models/Request/Organizations/OrganizationCreateRequestModelTests.cs b/test/Api.Test/AdminConsole/Models/Request/Organizations/OrganizationCreateRequestModelTests.cs
new file mode 100644
index 000000000000..8220f5c499e1
--- /dev/null
+++ b/test/Api.Test/AdminConsole/Models/Request/Organizations/OrganizationCreateRequestModelTests.cs
@@ -0,0 +1,82 @@
+using System.ComponentModel.DataAnnotations;
+using Bit.Api.AdminConsole.Models.Request.Organizations;
+using Xunit;
+
+namespace Bit.Api.Test.AdminConsole.Models.Request.Organizations;
+
+public class OrganizationCreateRequestModelTests
+{
+    [Fact]
+    public void Validate_KeysMissing_FailsValidation()
+    {
+        var model = new OrganizationCreateRequestModel
+        {
+            Name = "Test Org",
+            BillingEmail = "test@example.com",
+            Key = "test-key",
+            UseSecretsManager = false,
+            Keys = null
+        };
+
+        var results = ValidateModel(model);
+
+        Assert.Contains(results, r => r.MemberNames.Contains(nameof(OrganizationCreateRequestModel.Keys)));
+    }
+
+    [Fact]
+    public void Validate_KeysPresent_PassesKeysValidation()
+    {
+        var model = new OrganizationCreateRequestModel
+        {
+            Name = "Test Org",
+            BillingEmail = "test@example.com",
+            Key = "test-key",
+            UseSecretsManager = false,
+            Keys = new OrganizationKeysRequestModel
+            {
+                PublicKey = "test-public-key",
+                EncryptedPrivateKey = "test-encrypted-private-key"
+            }
+        };
+
+        var results = ValidateModel(model);
+
+        Assert.DoesNotContain(results, r => r.MemberNames.Contains(nameof(OrganizationCreateRequestModel.Keys)));
+    }
+
+    [Fact]
+    public void Validate_KeysMissingPublicKey_FailsValidation()
+    {
+        var keys = new OrganizationKeysRequestModel
+        {
+            PublicKey = null,
+            EncryptedPrivateKey = "test-encrypted-private-key"
+        };
+
+        var results = ValidateModel(keys);
+
+        Assert.Contains(results, r => r.MemberNames.Contains(nameof(OrganizationKeysRequestModel.PublicKey)));
+    }
+
+    [Fact]
+    public void Validate_KeysMissingEncryptedPrivateKey_FailsValidation()
+    {
+        var keys = new OrganizationKeysRequestModel
+        {
+            PublicKey = "test-public-key",
+            EncryptedPrivateKey = null
+        };
+
+        var results = ValidateModel(keys);
+
+        Assert.Contains(results, r => r.MemberNames.Contains(nameof(OrganizationKeysRequestModel.EncryptedPrivateKey)));
+    }
+
+    private static List<ValidationResult> ValidateModel(object model)
+    {
+        var context = new ValidationContext(model);
+        var results = new List<ValidationResult>();
+        Validator.TryValidateObject(model, context, results, validateAllProperties: true);
+        return results;
+    }
+}
diff --git a/test/Api.Test/AdminConsole/Models/Request/Organizations/OrganizationNoPaymentCreateRequestTests.cs b/test/Api.Test/AdminConsole/Models/Request/Organizations/OrganizationNoPaymentCreateRequestTests.cs
new file mode 100644
index 000000000000..987aa66920f3
--- /dev/null
+++ b/test/Api.Test/AdminConsole/Models/Request/Organizations/OrganizationNoPaymentCreateRequestTests.cs
@@ -0,0 +1,82 @@
+using System.ComponentModel.DataAnnotations;
+using Bit.Api.AdminConsole.Models.Request.Organizations;
+using Xunit;
+
+namespace Bit.Api.Test.AdminConsole.Models.Request.Organizations;
+
+public class OrganizationNoPaymentCreateRequestTests
+{
+    [Fact]
+    public void Validate_KeysMissing_FailsValidation()
+    {
+        var model = new OrganizationNoPaymentCreateRequest
+        {
+            Name = "Test Org",
+            BillingEmail = "test@example.com",
+            Key = "test-key",
+            UseSecretsManager = false,
+            Keys = null
+        };
+
+        var results = ValidateModel(model);
+
+        Assert.Contains(results, r => r.MemberNames.Contains(nameof(OrganizationNoPaymentCreateRequest.Keys)));
+    }
+
+    [Fact]
+    public void Validate_KeysPresent_PassesKeysValidation()
+    {
+        var model = new OrganizationNoPaymentCreateRequest
+        {
+            Name = "Test Org",
+            BillingEmail = "test@example.com",
+            Key = "test-key",
+            UseSecretsManager = false,
+            Keys = new OrganizationKeysRequestModel
+            {
+                PublicKey = "test-public-key",
+                EncryptedPrivateKey = "test-encrypted-private-key"
+            }
+        };
+
+        var results = ValidateModel(model);
+
+        Assert.DoesNotContain(results, r => r.MemberNames.Contains(nameof(OrganizationNoPaymentCreateRequest.Keys)));
+    }
+
+    [Fact]
+    public void Validate_KeysMissingPublicKey_FailsValidation()
+    {
+        var keys = new OrganizationKeysRequestModel
+        {
+            PublicKey = null,
+            EncryptedPrivateKey = "test-encrypted-private-key"
+        };
+
+        var results = ValidateModel(keys);
+
+        Assert.Contains(results, r => r.MemberNames.Contains(nameof(OrganizationKeysRequestModel.PublicKey)));
+    }
+
+    [Fact]
+    public void Validate_KeysMissingEncryptedPrivateKey_FailsValidation()
+    {
+        var keys = new OrganizationKeysRequestModel
+        {
+            PublicKey = "test-public-key",
+            EncryptedPrivateKey = null
+        };
+
+        var results = ValidateModel(keys);
+
+        Assert.Contains(results, r => r.MemberNames.Contains(nameof(OrganizationKeysRequestModel.EncryptedPrivateKey)));
+    }
+
+    private static List<ValidationResult> ValidateModel(object model)
+    {
+        var context = new ValidationContext(model);
+        var results = new List<ValidationResult>();
+        Validator.TryValidateObject(model, context, results, validateAllProperties: true);
+        return results;
+    }
+}