diff --git a/paths/customer_basic.yaml b/paths/customer_basic.yaml
index 3162a08..dfe0a51 100644
--- a/paths/customer_basic.yaml
+++ b/paths/customer_basic.yaml
@@ -32,7 +32,10 @@ get:
                   institutionAgb:
                     description: The AGB of the institution, if the customer is a care group or other institute, otherwise omitted. One of practiceAgb or institutionAgb is always present.
                     $ref: ../schemas/agb.yaml
-                  gpis:
+                  gpisMethod:
+                    description: The current GPIS type and how medical dossiers are transferred to Zorg op Orde.
+                    example: HealthConnected (automatische koppeling)
+                  lastImport:
                     $ref: ../schemas/GPIS.yaml
                   doctors:
                     description: AGBs of the doctors working in the practice.
@@ -45,6 +48,7 @@ get:
                       address1:
                         type: string
                         description: The first line of the practice postal address (street name and house number, generally).
+                        example: Dorpsstraat 1
                       postcode:
                         $ref: ../schemas/postcode.yaml
                       city:
@@ -54,23 +58,26 @@ get:
                     properties:
                       tel:
                         type: string
+                        example: "0612345678"
                       email:
                         type: string
+                        example: "M.Dobbelsteen@zorgoporde.nl"
                   dataProcessing:
                     type: object
                     properties:
                       controllers:
                         description: A list of personnel responsible for the data. Usually the practice owner.
                         type: array
+                        example: ["Mien Dobbelsteen", "Lydie van der Ploeg"]
                         items:
                           type: string
                       agreement:
-                        example: If set, the signer and date of the data processing agreement between the controller (responsible general practitioner) and processor (Zorg op Orde).
                         type: object
                         properties:
                           signedBy:
                             description: Full name of the signer.
                             type: string
+                            example: Lydie van der Ploeg
                           signedOn:
                             description: Date of signing the data processing agreement.
                             example: 20160501T1344
@@ -83,7 +90,10 @@ get:
     '401':
       $ref: '../zoo-api.yaml/#/components/responses/NoAuth'
     '403':
-      $ref: '../zoo-api.yaml/#/components/responses/NoAccess'
+      description: |-
+        User is not allowed to access this API endpoint, or,
+        the practice identified by the `agb` parameter does not have a relationship with the
+        user (for example, they do not belong to your care group).
 post:
   operationId: customerBasicPost
   tags: