There are just two URL encoded parameters for polling messages:

Name Description Required?

userId

User name for authentication (same as used for logging into the website). User name and password may be passed as form encoded parameters, or in the HTTP Authorization header in Basic format.

YES

password

Your account password

YES

Messenger will respond to each and every HTTP request with one of the following result codes:

Code Meaning Action Required

200

OK (normal result)

Parse the results for the outgoing message details as described below.

401

Unauthorized

Check userId and password.

500

Internal Error

Contact Bulletin

For 200 codes (success) Messenger will include JSON response containing some or all of message information as described below.

Note: The order of the parameters may change so use value/pair matching rather than location mapping.