Netgsm

API

Turkish operator API for bulk and OTP SMS, voice messages and WhatsApp OTP

Price: Pay per SMS or prepaid packages
Access: Subscriber number and API user password

About

Netgsm is a licensed Turkish telecom operator with HTTP APIs for bulk and OTP SMS, inbound SMS and İYS consent filtering, plus automated voice-message calls and WhatsApp OTP. Requests use an API sub-user. Docs are in Turkish; SMS is billed per message or in prepaid packages.

What you can do with it

Send OTP codes and order notifications by SMS to Turkish mobile numbers
Send bulk SMS with İYS consent filtering for commercial messages
Place automated calls that read out text or play recorded audio

Get started

Open a Netgsm subscription and get a sender name (header) approved
Create an API sub-user under Subscription > Sub-user accounts
Send requests with your subscriber number and the sub-user password

Example

curl -X POST https://api.netgsm.com.tr/sms/rest/v2/send \
  -u "$NETGSM_USERCODE:$NETGSM_PASSWORD" \
  -H "Content-Type: application/json" \
  -d '{"msgheader":"BASLIK","messages":[{"msg":"test1","no":"510xxxxxxx"}],"encoding":"TR","iysfilter":"0"}'

Details

Hosting: Hosted service
Available in: Türkiye
Official SDKs: JavaScript/TypeScript, Python
MCP server: None