|[destination_number]||Multiple Destination Numbers in NPANXXXXXX format and separated by a dash|
|[caller_number]||SIPmly Phone Number (DID) in NPANXXXXXX format|
|[message]||URL Encoded plain text SMS message - Max length 160 characters|
|[api_key]||Your API Key|
Group SMS is intended for use with multiple destination numbers. Please use SMS for a single destination number.
|Message||Detailed Response Message|
All form fields are required.
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Once complete your account will be fully active. In the meantime please check out the Account Administration Panel.