Twillio has to validate the number before allowing you to use it: https://suppor... | Hacker News

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		icebraining on Oct 11, 2017 \| parent \| context \| favorite \| on: Ask HN: What non-work task have you automated? Twillio has to validate the number before allowing you to use it: https://support.twilio.com/hc/en-us/articles/223179848-Using...

revicon on Oct 12, 2017 [–]

That's only for calling. Twilio's docs say they do not support SMS sending from verified (not twilio owned) phone numbers.

https://support.twilio.com/hc/en-us/articles/223135427-What-...

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