diff --git a/core/src/main/resources/schema.yml b/core/src/main/resources/schema.yml
index 69fb5c9..ce70a11 100644
--- a/core/src/main/resources/schema.yml
+++ b/core/src/main/resources/schema.yml
@@ -84,6 +84,36 @@ paths:
                 type: array
                 items:
                   $ref: "#/components/schemas/CountryContext"
+  /api/v1/locations/{language}/countries/postal:
+    get:
+      description: Get identifiers for all countries
+      operationId: getAllCountryIdentifiers
+      tags: [ Location ]
+      parameters:
+        - name: language
+          in: path
+          required: true
+          schema:
+            type: string
+      responses:
+        '200':
+          description: OK
+          content:
+            text/plain:
+              schema:
+                type: array
+                items:
+                  $ref: "#/components/schemas/CountryIdentifiers"
+            application/json:
+              schema:
+                type: array
+                items:
+                  $ref: "#/components/schemas/CountryIdentifiers"
+            text/json:
+              schema:
+                type: array
+                items:
+                  $ref: "#/components/schemas/CountryIdentifiers"
   /api/v1/locations/{parentId}/{locale}:
     get:
       description: Get the children of a parent location, in a certain locale
@@ -2070,6 +2100,24 @@ components:
         county:
           type: string
           nullable: true
+    CountryIdentifiers:
+      description: Standardized identifiers for a country.
+      allOf:
+        - $ref: "#/components/schemas/CountryInfo"
+        - type: object
+          properties:
+            usePostal:
+              type: boolean
+            countryName:
+              description: name of the country
+              type: string
+              nullable: true
+            countryId:
+              description: UUID associated with this country
+              type: string
+              format: uuid # This restriction is not present in swagger.json, but all returns are of UUID form
+              nullable: true
+          additionalProperties: false
     LocaleNames:
       type: object
       properties:
diff --git a/core/src/test/groovy/org/justserve/LocationSpec.groovy b/core/src/test/groovy/org/justserve/LocationSpec.groovy
index d322c9f..b2c4ef4 100644
--- a/core/src/test/groovy/org/justserve/LocationSpec.groovy
+++ b/core/src/test/groovy/org/justserve/LocationSpec.groovy
@@ -38,4 +38,17 @@ class LocationSpec extends JustServeSpec {
         [[client, userType], lang] << [[[noAuthLocationClient, "no auth"], [locationClient, "standard"]], threeCharLocales].combinations()
     }
 
+    @SuppressWarnings("GroovyAssignabilityCheck")
+    @Unroll("Can query LocationClient.getAllCountryIdentifiers(#lang) with no error as #userType")
+    def "can query all country identifiers for a given language"(LocationClient client, String userType, String lang) {
+        when:
+        client.getAllCountryIdentifiers(lang).block()
+
+        then:
+        noExceptionThrown()
+
+        where:
+        [[client, userType], lang] << [[[noAuthLocationClient, "no auth"], [locationClient, "standard"]], threeCharLocales].combinations()
+    }
+
 }