SMS Messaging - Any recommendations or advice when looking for a vendor?

• Have a privacy and permission process for EACH country you plan to do this in.
• Consider your use cases - will this be annoying or relevant in the context you plan to use it? Will your audience want this?
• One way or Two way communication?
• How to handle the process and recording in Marketo.
• Phone number and/or shortcode to use
• cost of the numbers required.

Other than to say I have heard positive things about Twilio, I won't make specific vendor recommendations as I've only worked with smaller ones that focus on SMS to NZ/AU, but I will second @Josh Hill​'s points.

Make sure you're familiar with any particular spam compliance requirements for your region(s), and that whichever supplier you choose is able to support those. And then, whether the regulation applicable requires you to provide a same medium opt out mechanism or not, I'd strongly recommend choosing a supplier that allows two-way and can pass info back to Marketo to manage opt-outs. Again, can't speak specifically to Twilio's capabilities here, but none of the suppliers I've used in the past handled opt outs very well at all, and it caused a lot of issues.

While SMS can be a really engaging method of communication, some people really do not like receiving marketing this way. You want to make it as easy as possible for them to opt out of this communication method and avoid burning the lead!

Hi @Rafael Munoz If you're still looking for a tool a couple other are BurstSMS and Oxygen8​. There are a couple good posts by Fab Capodicasa​ on LinkedIn on this topic. Here's part 1: linkedin.com/pulse/sms-marketo-definitive-guide-part-1-fab-capodicasa/