Transactional Email • SMTP

High-deliverability transactional email

Send order confirmations, password resets, and verification codes via API or SMTP. Track delivery, opens and bounces in real time with multi-domain DKIM/SPF support.

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99%+Delivery rate
< 3sGlobal latency
Real-timeStatus tracking
DKIM/SPFAuth support

Core capabilities

API, SMTP, templates and analytics in one platform to boost deliverability and user experience.

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API & SMTP dual channel

RESTful API or standard SMTP protocol integration, compatible with existing mail systems and frameworks.

RESTful API sending
Standard SMTP protocol
Multi-language SDK support

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Real-time analytics & tracking

Track delivery, opens, clicks and bounces for every email with real-time webhook callbacks.

Delivery/open/click tracking
Bounce reason analysis
Real-time webhook notifications

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Security & compliance

Automatic DKIM/SPF/DMARC configuration to improve deliverability and prevent spoofing.

Auto DKIM/SPF setup
DMARC policy support
TLS encrypted transmission

Start sending emails in minutes

Simple API integration, automatic DKIM/SPF setup, and real-time tracking for every email.

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