diff --git a/playbooks/agent.yaml b/playbooks/agent.yaml
index 1be6bdc..b059795 100644
--- a/playbooks/agent.yaml
+++ b/playbooks/agent.yaml
@@ -34,6 +34,7 @@
       ansible.builtin.assert:
         that:
           - api_url is defined
+          - api_url != ''
         msg: "missing Required Variables"
 
 
diff --git a/playbooks/tasks/api_call.yaml b/playbooks/tasks/api_call.yaml
index 9c9ef8b..99e5cac 100644
--- a/playbooks/tasks/api_call.yaml
+++ b/playbooks/tasks/api_call.yaml
@@ -62,7 +62,7 @@
           {%- endif %}
       ansible.builtin.uri:
         url: >-
-          https://phpipam.local/api/{{ api_client_name }}/{{ api_path }}
+          {{ api_url }}/api/{{ api_client_name }}/{{ api_path }}
           {%- if api_query_string is defined -%}
             /?{{ api_query_string }}
           {%- endif %}