SMS
SMS campaign sending with API support and subscriber import capabilities.
What it does
SMS campaign sending with API support and subscriber import capabilities.
- email marketing
- newsletter delivery
- SMS campaigns
- transactional email
- landing page creation
- WhatsApp campaigns
- marketing automation
- Category
- Content and campaigns
- Users
- large companies, marketers, businesses sending mass mailings
- Public API
- Available
Not yet disclosed: deployment options, platforms, languages and support channels.
Pricing
- Free to start$0
- Free Mailrelay account
- SMS requires purchasing prepaid credits
Prices as published by Mailrelay, checked Oct 2026.
Security and compliance
As reported by Mailrelay. Ask for audit reports before you buy.
- SSL (Secure Sockets Layer) encryption for data transmission
- Credit card data not stored in any database; routed directly to bank POS (Point of Sale Terminal)
- Secure Electronic Commerce (CES) for VISA/Mastercard payments
- SPF and custom domain configuration supported
- DKIM configuration supported
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