mendelson AS2

The mendelson AS2 software is a JAVA-based easy to use but highly configurable implementation of the EDIINT AS2 standard.
This is your solution for secure and reliable automated data transfer with your communication partners. We make sure that your platforms are also supported - no matter if you are running Windows, Linux, Mac OS, AIX or others.

In addition to our professional software solution, mendelson-e-commerce GmbH offers you many years of integration experience, fast and uncomplicated support and a future-proof platform with a large customer base.

The mendelson AS2 is available in dual license model - a community version (open source) and a commercial version. With the help of the community version you can take the first steps towards professional, secure data exchange - without a financial expense.

What are the differences between these versions? Compare both versions.


AS2 or EDIINT AS2 is the communication standard used to securely transport all types of business data using the internet rather than over a dedicated network. Using a machnism of message delivery notifications you will always know if your messages arrived at the system of your partner and which state your partners system returned after the receipt.

With mendelson AS2 solution, you can transfer not only EDI documents but also documents in various formats such as X12, UN/EDIFACT, XML, and Microsoft Word. The data is not changed as it is transferred - it arrives in the same format in which it was sent.

mendelson AS2 solution gives you an easy and fast solution to communicate with your partners based on AS2. It can be used as stand alone modul or integrated in the mendelson business integration.

mendelson AS2 test server

mendelson-e-commerce GmbH runs a AS2 test server. It allows to check your server software for compatibility against the mendelson product.

If you are using the installation version of mendelson opensource AS2 it is preconfigured to directly communicate with this server.

This server may sometimes be down for maintenance purpose. You could check it's state by pointing your browser to the following URL:

To monitor the data entries on the testserver please point your browser to, user: guest, password: guest

If you would like to test your AS2 server against the mendelson AS2 test server please use the following settings before sending messages:

  • MDN: sync
  • URL:
  • Signature: Necessary, SHA-1 or SHA-2 or SHA-3 or any other
  • Encryption: Necessary, 3DES or any other
  • Sender AS2 id (your id): mycompanyAS2
  • Sender key (your key): (format pkcs#12, keystore pass "test"): Key3
  • Receiver AS2 id (test servers id): mendelsontestAS2
  • Receiver certificate (test servers certificate): (format PEM): Key4

If you want to test TLS connections, you can also reach the test server or the mendelson AS2 web interface via the URLs (TLS 1.0, TLS 1.1, TLS 1.2, TLS 1.3)

and, user: guest, password: guest

Note: These URLs are just secured by the (self signed) key "key3" (please see above). Please do not send us a mail if your browser classifies a URL secured by a self signed key as a security risk, that is an expected behavior of your browser. If you run a mendelson AS2 server yourself, you can of course use trusted keys at this point.

Please contact us if you have trouble sending data to the AS2 test server.

Additional information

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