Textbelt
FreemiumLiveLast verified 29 Sept 2026
Send SMS with one POST, then check delivery status and remaining credit; prepaid packs, no monthly fee.
Example request
curl -s https://textbelt.com/quota/$API_KEY
Free tier, in plain English
One free text a day for testing. Beyond that you buy prepaid credit packs (US/Canada from $3 for 50 texts), no subscription.
Alternatives in SMS
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