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SMS Messaging API
- Overview
- Quickstart
- Specification
- Sending SMS
- Receiving SMS
- Delivery Report
- SMPP setup
- HTTP API Reference
Omnichannel API
- Overview
- Quickstart
- Theory
- Sender Name
- Specification
- Requests & Authentication
- Development Libraries
- SMS Message
- WhatsApp Message
- Viber Message
- Telegram Message
- Delivery Report
- Scheduled Messages
- HELP
- API Reference
2FA API
- 2FA API
- API Request Authentication
- Creating Service
- Syncing Users
- Deleting users
- Starting Authentication
- PIN Code Verification
Number Lookup EARLY ACCESS
Phonebook API EARLY ACCESS
Subscription API EARLY ACCESS
Account Balance API
Pricing API
Statistics API EARLY ACCESS
Number Verification DEPRECATED
Tools
FAQ
Sending more than 100 000 SMS messages a month?
Contact salesInvalid number
ERROR 003
The number you sent to was correctly formatted but is not registred to any
active SIM cards.
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Back to Error codes
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Home
Getting Started
Changelog
API Setup
SMS Messaging API
- Overview
- Quickstart
- Specification
- Sending SMS
- Receiving SMS
- Delivery Report
- SMPP setup
- HTTP API Reference
Omnichannel API
- Overview
- Quickstart
- Theory
- Sender Name
- Specification
- Requests & Authentication
- Development Libraries
- SMS Message
- WhatsApp Message
- Viber Message
- Telegram Message
- Delivery Report
- Scheduled Messages
- HELP
- API Reference
2FA API
- 2FA API
- API Request Authentication
- Creating Service
- Syncing Users
- Deleting users
- Starting Authentication
- PIN Code Verification