Email API for developers

Deliver transactional emails, run marketing campaigns, and handle replies from one platform. Reach the inbox reliably with Bird SDKs, CLI, and MCP.

Trusted every day by teams that
build world-class software.

From prompt to delivered.

Power your transactional email, marketing campaigns, and agent mailboxes without stitching together separate tools. Send messages and check delivery from your code, terminal, or AI assistant.

Your domain.
Your reputation.

Verify your domain in minutes so your emails land in the inbox, not the spam folder. Keep transactional and marketing traffic separate, and automatically block repeat sends to bounced addresses.

Less debugging. More building.

Test requests, trace delivery, and recover from errors with clear feedback at every step.

Your template. Their email.

Build templates in React Email, or publish reusable templates your team can edit without a code deploy. Personalize every message with live data from your app or contact profiles.

Every email. A clearer picture.

Track delivery rates in real time and see the exact reason an email bounced. Use Inbox Insights to check whether your messages are landing in the primary inbox or spam across major providers.

Receive the reply.
Build what happens next.

Route replies from your domain or a forwarding address straight into your app, complete with message content and attachments. Or give your AI agent its own mailbox to follow the conversation and reply.

Scale without losing control.

Organize teams in workspaces, control API access, and trace changes through audit logs.

Go further.
With Email.

Transactional sending, marketing campaigns, and deliverability tools in one place.

Start with one. Build across channels.

Bring your next customer conversation into the same workspace.

Your next idea. Ready to connect.

Your next idea. Ready to connect.