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Bulk SMS Asynchronous send

I’ve decided to go with Twilio’s message scheduling option. I’ll have to schedule messages a few days into the future however this will work for that:

Hopefully someone else comes along and shares the secret to sending asynchronous calls to Twilio.

Keep in mind that local numbers are carrier rate limited to 1 message per second, so if you schedule on a list with a 1-second delay between, you’ll already be hitting that limit.

Short codes allow up to 100/second.

Here’s documentation on scaling up sending through Twilio: How to send SMS at scale with Twilio

Texting is intentionally restricted by carriers to try to limit abuse, so you’re never going to be able to “asynchronously” send out messages. There will always be a limit to how fast you can send.

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