diff --git a/lib/PersonioClientV1.js b/lib/PersonioClientV1.js
index 883f7a9..63b5add 100644
--- a/lib/PersonioClientV1.js
+++ b/lib/PersonioClientV1.js
@@ -1,6 +1,8 @@
 /** The Personio API v1 prefix. */
 const PERSONIO_API_BASE_URL = 'https://api.personio.de/v1';
 
+const PERSONIO_MAX_PAGE_SIZE = 100;
+
 
 /** Simple wrapper around UrlFetchApp that performs authenticated requests against Personio API v1.
  *
@@ -84,9 +86,13 @@ class PersonioClientV1 extends UrlFetchJsonClient {
         do {
             // we ensure only known Personio API endpoints can be contacted
             let pathAndQuery = url;
-            if (offset != null) {
+            if (offset != null || !url.includes('offset=')) {
+                offset = Math.floor(Math.max(offset, 0));
                 pathAndQuery += pathAndQuery.includes('?') ? '&offset=' + offset : '?offset=' + offset;
             }
+            if (!url.includes('limit=')) {
+                pathAndQuery += pathAndQuery.includes('?') ? '&limit=' + PERSONIO_MAX_PAGE_SIZE : '?limit=' + PERSONIO_MAX_PAGE_SIZE;
+            }
 
             const document = await this.getJson(pathAndQuery, options);
             if (!document || !document.success) {