diff --git a/client/src/api/configTemplates.ts b/client/src/api/configTemplates.ts
index 34bbfa4fea37..248ea2b4b934 100644
--- a/client/src/api/configTemplates.ts
+++ b/client/src/api/configTemplates.ts
@@ -1,5 +1,7 @@
 import { type components } from "@/api/schema";
 
+export type CreateInstancePayload = components["schemas"]["CreateInstancePayload"];
+
 export type Instance =
     | components["schemas"]["UserFileSourceModel"]
     | components["schemas"]["UserConcreteObjectStoreModel"];
@@ -10,9 +12,9 @@ export type TemplateVariable =
     | components["schemas"]["TemplateVariablePathComponent"]
     | components["schemas"]["TemplateVariableBoolean"];
 export type TemplateSecret = components["schemas"]["TemplateSecret"];
-export type VariableValueType = (string | boolean | number) | undefined;
-export type VariableData = { [key: string]: VariableValueType };
-export type SecretData = { [key: string]: string };
+export type VariableData = CreateInstancePayload["variables"];
+export type VariableValueType = VariableData[keyof VariableData];
+export type SecretData = CreateInstancePayload["secrets"];
 
 export type PluginAspectStatus = components["schemas"]["PluginAspectStatus"];
 export type PluginStatus = components["schemas"]["PluginStatus"];
diff --git a/client/src/components/ConfigTemplates/formUtil.ts b/client/src/components/ConfigTemplates/formUtil.ts
index bf7479ff92b8..b6908259dcf9 100644
--- a/client/src/components/ConfigTemplates/formUtil.ts
+++ b/client/src/components/ConfigTemplates/formUtil.ts
@@ -1,4 +1,5 @@
 import {
+    type CreateInstancePayload,
     type Instance,
     type PluginStatus,
     type SecretData,
@@ -139,7 +140,7 @@ export function createTemplateForm(template: TemplateSummary, what: string): For
     return form;
 }
 
-export function createFormDataToPayload(template: TemplateSummary, formData: any) {
+export function createFormDataToPayload(template: TemplateSummary, formData: any): CreateInstancePayload {
     const variables = template.variables ?? [];
     const secrets = template.secrets ?? [];
     const variableData: VariableData = {};
@@ -155,7 +156,7 @@ export function createFormDataToPayload(template: TemplateSummary, formData: any
     }
     const name: string = formData._meta_name;
     const description: string = formData._meta_description;
-    const payload = {
+    const payload: CreateInstancePayload = {
         name: name,
         description: description,
         secrets: secretData,
diff --git a/client/src/components/ObjectStore/Instances/types.ts b/client/src/components/ObjectStore/Instances/types.ts
index 610d623fe9a0..0d533f0df32c 100644
--- a/client/src/components/ObjectStore/Instances/types.ts
+++ b/client/src/components/ObjectStore/Instances/types.ts
@@ -1,4 +1,3 @@
 import { type components } from "@/api/schema/schema";
 
 export type UserConcreteObjectStore = components["schemas"]["UserConcreteObjectStoreModel"];
-export type CreateInstancePayload = components["schemas"]["CreateInstancePayload"];