What sending SMS messages costs per month at scale.
Long texts split into billed segments and international rates vary enormously — both quietly inflate the bill. Trim copy and mind your country mix. Compare cheaper channels on the push notification calculator.
Free SMS API cost calculator — messages per month and per-message price to your monthly SMS bill.
Per message, and a long message counts as several segments (about 160 characters each), each billed. Rates also vary widely by destination country and by whether the number is long-code, toll-free or short-code.
Keep messages under one segment (160 chars), send only where needed, and prefer cheaper channels (push, email, WhatsApp) when possible. In many countries carrier fees add to the base rate, so destination mix matters.
Cost at different volumes:
| Volume | Monthly | Yearly |
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