diff --git a/packages/dnb-eufemia/src/extensions/forms/Connectors/Bring/postalCode.ts b/packages/dnb-eufemia/src/extensions/forms/Connectors/Bring/postalCode.ts
index 48004b7fb32..3bfccf57f04 100644
--- a/packages/dnb-eufemia/src/extensions/forms/Connectors/Bring/postalCode.ts
+++ b/packages/dnb-eufemia/src/extensions/forms/Connectors/Bring/postalCode.ts
@@ -2,6 +2,9 @@ import type { UseFieldProps } from '../../types'
 import { FormError } from '../../utils'
 import {
   GeneralConfig,
+  HandlerConfig,
+  PreResponseResolver,
+  ResponseResolver,
   fetchData,
   getCountryCodeValue,
   handleCountryPath,
@@ -22,16 +25,44 @@ export const supportedCountryCodes = [
   'SJ', // Svalbard and Jan Mayen
 ]
 
-export type HandlerConfig = {
-  cityPath: string
-}
-
 export const unsupportedCountryCode =
   'Postal code verification is not supported for {countryCode}.'
 
+export type AutofillResolverResponse = {
+  postal_codes: { postal_code: string; city: string }[]
+}
+export type AutofillResolverPayload = {
+  city: string
+}
+
+export const preResponseResolver: PreResponseResolver = ({ value }) => {
+  if (!value) {
+    return { postal_codes: [] }
+  }
+}
+
+export const responseResolver: ResponseResolver<
+  AutofillResolverResponse,
+  AutofillResolverPayload
+> = (response, handlerConfig) => {
+  const resolver = handlerConfig?.responseResolver
+  if (typeof resolver === 'function') {
+    return resolver(response) as ReturnType<typeof resolver> & {
+      payload: AutofillResolverPayload
+    }
+  }
+
+  const { postal_code, city } = response?.postal_codes?.[0] || {}
+
+  return {
+    matcher: (value) => value === postal_code,
+    payload: { city },
+  }
+}
+
 export function autofill(
   generalConfig: GeneralConfig,
-  handlerConfig?: HandlerConfig
+  handlerConfig?: HandlerConfig & { cityPath: string }
 ): UseFieldProps<string>['onChange'] {
   const abortControllerRef = { current: null }
 
@@ -58,15 +89,11 @@ export function autofill(
         generalConfig,
         parameters,
         abortControllerRef,
-        returnResult: () => {
-          if (!value) {
-            return { postal_codes: [] }
-          }
-        },
+        preResponseResolver:
+          handlerConfig?.preResponseResolver ?? preResponseResolver,
       })
 
-      const { postal_code, city } = data?.postal_codes?.[0] || {}
-      if (postal_code === value) {
+      const onMatch = (payload: AutofillResolverPayload) => {
         const path = handlerConfig?.cityPath
         if (path) {
           if (!additionalArgs.dataContext) {
@@ -76,10 +103,17 @@ export function autofill(
           }
           additionalArgs.dataContext.handlePathChangeUnvalidated(
             path,
-            city
+            payload.city
           )
         }
       }
+
+      const { matcher, payload } = responseResolver(data, handlerConfig)
+      const match = matcher(value)
+
+      if (match) {
+        return onMatch(payload)
+      }
     } catch (error) {
       return error
     }
@@ -87,7 +121,8 @@ export function autofill(
 }
 
 export function validator(
-  generalConfig: GeneralConfig
+  generalConfig: GeneralConfig,
+  handlerConfig?: HandlerConfig
 ):
   | UseFieldProps<string>['onChangeValidator']
   | UseFieldProps<string>['onBlurValidator'] {
@@ -114,19 +149,20 @@ export function validator(
         generalConfig,
         parameters,
         abortControllerRef,
-        returnResult: () => {
-          if (!value) {
-            return { postal_codes: [] }
-          }
-        },
+        preResponseResolver:
+          handlerConfig?.preResponseResolver ?? preResponseResolver,
       })
 
-      if (
-        status !== 400 &&
-        data?.postal_codes?.[0]?.postal_code !== value
-      ) {
+      const onMatch = () => {
         return new FormError('PostalCodeAndCity.invalidCode')
       }
+
+      const { matcher } = responseResolver(data, handlerConfig)
+      const match = matcher(value)
+
+      if (status !== 400 && !match) {
+        return onMatch()
+      }
     } catch (error) {
       return error
     }
diff --git a/packages/dnb-eufemia/src/extensions/forms/Connectors/createContext.ts b/packages/dnb-eufemia/src/extensions/forms/Connectors/createContext.ts
index 5602450129a..7de0bb3a201 100644
--- a/packages/dnb-eufemia/src/extensions/forms/Connectors/createContext.ts
+++ b/packages/dnb-eufemia/src/extensions/forms/Connectors/createContext.ts
@@ -30,11 +30,27 @@ export function createContext<GeneralConfigGeneric = GeneralConfig>(
   }
 }
 
+export type HandlerConfig = {
+  preResponseResolver?: PreResponseResolver
+  responseResolver?: ResponseResolver
+}
+export type PreResponseResolver = (fromField: { value: string }) => unknown
+export type ResponseResolver<
+  Response = unknown,
+  Payload = Record<string, unknown>,
+> = (
+  response: Response,
+  handlerConfig?: HandlerConfig
+) => {
+  matcher: (value: string) => boolean
+  payload?: Payload
+}
+
 export type FetchDataFromAPIOptions = {
   generalConfig: GeneralConfig
   parameters?: UrlSecondParameter
   abortControllerRef?: { current: null | AbortController }
-  returnResult?: (data: { value: string }) => unknown
+  preResponseResolver?: PreResponseResolver
 }
 
 async function fetchDataFromAPI(
@@ -88,7 +104,7 @@ export async function fetchData(
 ) {
   const { generalConfig, parameters } = options || {}
 
-  const result = options?.returnResult?.({ value })
+  const result = options?.preResponseResolver?.({ value })
   if (typeof result !== 'undefined') {
     return result
   }
diff --git a/packages/dnb-eufemia/src/extensions/forms/Connectors/stories/Connectors.stories.tsx b/packages/dnb-eufemia/src/extensions/forms/Connectors/stories/Connectors.stories.tsx
index f8135dd8bcc..4fcfcc82085 100644
--- a/packages/dnb-eufemia/src/extensions/forms/Connectors/stories/Connectors.stories.tsx
+++ b/packages/dnb-eufemia/src/extensions/forms/Connectors/stories/Connectors.stories.tsx
@@ -20,14 +20,45 @@ export function PostalCode() {
     },
   })
 
+  type Response = {
+    postal_codes: { postal_code: string; city: string }[]
+  }
+
   // 2. Use the context to create the onChangeValidator ...
   const onChangeValidator = withConfig(
-    Connectors.Bring.postalCode.validator
+    Connectors.Bring.postalCode.validator,
+    {
+      // preResponseResolver: ({ value }) => {
+      //   if (!value) {
+      //     return { postal_codes: [] }
+      //   }
+      // },
+      responseResolver: (response: Response) => {
+        const { postal_code, city } = response?.postal_codes?.[0] || {}
+        return {
+          matcher: (value) => value === postal_code,
+          payload: { city },
+        }
+      },
+    }
   )
 
   // ... and an onChange function
   const onChange = withConfig(Connectors.Bring.postalCode.autofill, {
     cityPath: '/city',
+    // preResponseResolver: ({ value }) => {
+    //   if (!value) {
+    //     return { postal_codes: [] }
+    //   }
+    // },
+    // responseResolver: (response: Response) => {
+    //   const { postal_code, city } = response?.postal_codes?.[0] || {}
+
+    //   return {
+    //     matcher: (value) => value === postal_code,
+    //     payload: { city },
+    //   }
+    // },
   })
 
   return (