Email API built for scale

Send transactional and marketing email with a single API call. Built-in deliverability engine, template rendering, analytics, and webhook delivery.

Email API features

REST and SMTP

Send via REST API or SMTP relay — use whichever fits your architecture.

Template rendering

Server-side template rendering with Handlebars, dynamic content, and localization.

Deliverability engine

Automatic IP warm-up, reputation monitoring, and bounce management.

Batch sending

Send millions of emails per hour with adaptive rate limiting.

Inline analytics

Open, click, bounce, and unsubscribe tracking via API or webhooks.

Dedicated IPs

Dedicated sending IPs with automatic warm-up scheduling.

Bird's Email API handles our 50M+ daily transactional emails with 99.7% inbox placement. The deliverability tools are best in class.
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