Comment on Send text messages for free using PythonparentComments−ebzlo4yTwilio has an API to identify the provider. https://www.twilio.com/docs/lookup/apiStill costs money, but if you're sending a lot of messages, this would substantially reduce the costs.−rsync4y"Twilio has an API to identify the provider ..." curl -s -X GET "https://lookups.twilio.com/v1/PhoneNumbers/$number?Type=carrier&Type=caller-name" -u $accountsid:$authtoken | /usr/local/bin/jq '.'−remram4yIf you're sending a lot of messages through one of those, you can expect to be blocked pretty quickly unfortunately.−colinmhayes4yJust try them all...
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Twilio has an API to identify the provider. https://www.twilio.com/docs/lookup/api
Still costs money, but if you're sending a lot of messages, this would substantially reduce the costs.
"Twilio has an API to identify the provider ..."
If you're sending a lot of messages through one of those, you can expect to be blocked pretty quickly unfortunately.
Just try them all...