Support and knowledge base
Find practical help for API access, SMS and fallback sending, delivery statuses, Email2SMS, web interface usage, reporting and billing questions.
API access and whitelist
Source IP approval, username/password setup and safe first test traffic before production use.
Authentication issues
Help with NO ACCESS responses, invalid credentials and requests arriving from non-authorized IP addresses.
HTTPS API sending
GET and POST sending with username, password, receiver, text, charset, method and callback parameters.
SMS message format
Phone number format, sender setup, 7bit or unicode encoding and message length planning.
Status queries
Using returned JSON message IDs to check started, sent, buffered, delivered or failed statuses.
Callback delivery reports
Delivery status feedback to a pre-agreed customer URL, with timing and response checks.
Fallback methods
Support for SMS, Viber, WhatsApp and combined method values such as viber-sms or whatsapp-viber-sms.
Email2SMS
SMTP trigger setup with TLS/SSL, SMTP authentication, mandatory IP whitelist and subject-based SMS text.
Web interface
Help with test sending, contact lists, campaign sending, sent message views and operational checks.
XLS/XLSX bulk upload
Excel upload format, text-formatted cells, no formulas, column checks and batch sending preparation.
Reports and exports
Sent message filtering, status review, XLS exports and downloadable monthly summaries.
Billing and administration
Monthly summaries, usage questions, invoicing details and administrative support requests.
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