Twilio's pricing is strictly usage-based: no monthly platform fee, no seat licenses, no minimum spend on pay-as-you-go. You pay per message sent, per minute of call time, per verification completed, and per phone number rented. The rates below reflect Twilio's published pay-as-you-go pricing as of June 2026. Volume commitments of 10–30% are available through Twilio's sales team for accounts spending $1,000 or more per month.
Three costs catch businesses off guard. US carrier surcharges add $0.003–$0.01 per SMS on top of Twilio's base rate - at scale, this adds 40–130% to effective per-message cost. A2P 10DLC compliance fees ($4 one-time brand + $10–$15/month per campaign) are mandatory for all US business SMS on 10-digit numbers and often get missed in initial budgeting. And unused phone numbers ($1.15/month each) accumulate silently on accounts that provision numbers during testing and never release them.
At 500,000 SMS per month, total Twilio cost including base rate, carrier surcharges, and A2P registration runs approximately $4,300–$4,800. The same volume on Telnyx runs approximately $2,100–$2,400 - a saving of $2,000+ per month that justifies a migration analysis above that threshold. The 38 guides below cover every line item on your Twilio bill and the fastest ways to reduce each one. Updated June 2026.