Replace BASE_URL with your GSM Modem device URL (e.g. http://192.168.1.100:8080).

cURL

Send SMS

Send SMS
curl -X POST "BASE_URL/api/send-sms" \
  -H "Content-Type: application/json" \
  -u "USERNAME:PASSWORD" \
  -d '{"phone": "+49123456789", "message": "Hello from GSM Modem API"}'
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