From bulk messaging to two-factor authentication, we provide comprehensive SMS solutions that scale with your business needs.
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Starting at $0.05/SMS
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Get StartedStarting at $0.06/SMS
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Get StartedFree with usage
Get StartedBuilt for reliability, designed for scale
Reliable service with guaranteed uptime
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Get started in minutes with our simple API and comprehensive documentation
curl -X POST https://api.intersms.io/v1/messages \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"to": "+1234567890",
"from": "InterSMS",
"text": "Hello from InterSMS!"
}'Join thousands of businesses who trust InterSMS for their messaging needs. Start with our free plan today.