Are you interested or do you need help? You can contact us by the following means.

contact via email

Inquiries regarding M2M can be sent directly to the following email address:

Customer hotline

Our customer hotline is available 24 hours, 7 days a wekk.

telephone number:
+49 (0) 2431 9654 0
+49 (0) 2431 76137


Please send your post to the following address.

S + M GmbH
Richard-Lucas-Str. 3
41812 Erkelenz

SOAP API calls with endpoint "" to render this page:
IsLoginValid (18,135 msecs):
<?xml version="1.0" encoding="UTF-8"?>
<env:Envelope xmlns:env="" xmlns:ns1="" xmlns:xsd="" xmlns:xsi="" xmlns:enc=""><env:Body><ns1:IsLoginValid env:encodingStyle=""><SecurityToken xsi:type="xsd:string">1</SecurityToken></ns1:IsLoginValid></env:Body></env:Envelope>