diff --git a/.changes/unreleased/Refactor-20241105-100320.yaml b/.changes/unreleased/Refactor-20241105-100320.yaml
new file mode 100644
index 00000000..953f230a
--- /dev/null
+++ b/.changes/unreleased/Refactor-20241105-100320.yaml
@@ -0,0 +1,3 @@
+kind: Refactor
+body: BREAKING CHANGE revert ServiceCreateInput and ServiceUpdateInput YAML struct tags back to before 2024 convention
+time: 2024-11-05T10:03:20.275463-06:00
diff --git a/input.go b/input.go
index a58052c7..5abedea7 100644
--- a/input.go
+++ b/input.go
@@ -932,9 +932,9 @@ type ServiceCreateInput struct {
 	Description           *string          `json:"description,omitempty" yaml:"description,omitempty" example:"example_description"`       // A brief description of the service. (Optional.)
 	Language              *string          `json:"language,omitempty" yaml:"language,omitempty" example:"example_language"`                // The primary programming language that the service is written in. (Optional.)
 	Framework             *string          `json:"framework,omitempty" yaml:"framework,omitempty" example:"example_framework"`             // The primary software development framework that the service uses. (Optional.)
-	TierAlias             *string          `json:"tierAlias,omitempty" yaml:"tierAlias,omitempty" example:"example_alias"`                 // The software tier that the service belongs to. (Optional.)
-	OwnerInput            *IdentifierInput `json:"ownerInput,omitempty" yaml:"ownerInput,omitempty"`                                       // The owner for this service. (Optional.)
-	LifecycleAlias        *string          `json:"lifecycleAlias,omitempty" yaml:"lifecycleAlias,omitempty" example:"example_alias"`       // The lifecycle stage of the service. (Optional.)
+	TierAlias             *string          `json:"tierAlias,omitempty" yaml:"tier,omitempty" example:"example_alias"`                      // The software tier that the service belongs to. (Optional.)
+	OwnerInput            *IdentifierInput `json:"ownerInput,omitempty" yaml:"owner,omitempty"`                                            // The owner for this service. (Optional.)
+	LifecycleAlias        *string          `json:"lifecycleAlias,omitempty" yaml:"lifecycle,omitempty" example:"example_alias"`            // The lifecycle stage of the service. (Optional.)
 	SkipAliasesValidation *bool            `json:"skipAliasesValidation,omitempty" yaml:"skipAliasesValidation,omitempty" example:"false"` // Allows for the creation of a service with invalid aliases. (Optional.)
 }
 
@@ -987,9 +987,9 @@ type ServiceUpdateInput struct {
 	Description           *string          `json:"description,omitempty" yaml:"description,omitempty" example:"example_description"`       // A brief description of the service. (Optional.)
 	Language              *string          `json:"language,omitempty" yaml:"language,omitempty" example:"example_language"`                // The primary programming language that the service is written in. (Optional.)
 	Framework             *string          `json:"framework,omitempty" yaml:"framework,omitempty" example:"example_framework"`             // The primary software development framework that the service uses. (Optional.)
-	TierAlias             *string          `json:"tierAlias,omitempty" yaml:"tierAlias,omitempty" example:"example_alias"`                 // The software tier that the service belongs to. (Optional.)
-	OwnerInput            *IdentifierInput `json:"ownerInput,omitempty" yaml:"ownerInput,omitempty"`                                       // The owner for the service. (Optional.)
-	LifecycleAlias        *string          `json:"lifecycleAlias,omitempty" yaml:"lifecycleAlias,omitempty" example:"example_alias"`       // The lifecycle stage of the service. (Optional.)
+	TierAlias             *string          `json:"tierAlias,omitempty" yaml:"tier,omitempty" example:"example_alias"`                      // The software tier that the service belongs to. (Optional.)
+	OwnerInput            *IdentifierInput `json:"ownerInput,omitempty" yaml:"owner,omitempty"`                                            // The owner for the service. (Optional.)
+	LifecycleAlias        *string          `json:"lifecycleAlias,omitempty" yaml:"lifecycle,omitempty" example:"example_alias"`            // The lifecycle stage of the service. (Optional.)
 	SkipAliasesValidation *bool            `json:"skipAliasesValidation,omitempty" yaml:"skipAliasesValidation,omitempty" example:"false"` // Allows updating a service with invalid aliases. (Optional.)
 }
 
diff --git a/new_input.go b/new_input.go
index dbfa2ee7..1b36518f 100644
--- a/new_input.go
+++ b/new_input.go
@@ -19,9 +19,9 @@ type ServiceUpdateInputV2 struct {
 	Description           *Nullable[string] `json:"description,omitempty" yaml:"description,omitempty" example:"example_description"`       // A brief description of the service. (Optional.)
 	Language              *Nullable[string] `json:"language,omitempty" yaml:"language,omitempty" example:"example_language"`                // The primary programming language that the service is written in. (Optional.)
 	Framework             *Nullable[string] `json:"framework,omitempty" yaml:"framework,omitempty" example:"example_framework"`             // The primary software development framework that the service uses. (Optional.)
-	TierAlias             *Nullable[string] `json:"tierAlias,omitempty" yaml:"tierAlias,omitempty" example:"example_alias"`                 // The software tier that the service belongs to. (Optional.)
-	OwnerInput            *IdentifierInput  `json:"ownerInput,omitempty" yaml:"ownerInput,omitempty"`                                       // The owner for the service. (Optional.)
-	LifecycleAlias        *Nullable[string] `json:"lifecycleAlias,omitempty" yaml:"lifecycleAlias,omitempty" example:"example_alias"`       // The lifecycle stage of the service. (Optional.)
+	TierAlias             *Nullable[string] `json:"tierAlias,omitempty" yaml:"tier,omitempty" example:"example_alias"`                      // The software tier that the service belongs to. (Optional.)
+	OwnerInput            *IdentifierInput  `json:"ownerInput,omitempty" yaml:"owner,omitempty"`                                            // The owner for the service. (Optional.)
+	LifecycleAlias        *Nullable[string] `json:"lifecycleAlias,omitempty" yaml:"lifecycle,omitempty" example:"example_alias"`            // The lifecycle stage of the service. (Optional.)
 	SkipAliasesValidation *bool             `json:"skipAliasesValidation,omitempty" yaml:"skipAliasesValidation,omitempty" example:"false"` // Allows updating a service with invalid aliases. (Optional.)
 }