Send email

Resend

Email API for developers that sends and receives email from a verified domain over REST, SMTP or MCP.

Your data

Data location: United States, whichever sending region you pick20
Retention: 30 days on Free, Pro and Scale3
Used for training: No; neither Resend nor its subprocessors use customer content to train or fine-tune models11
Zero data retention: Content storage can be turned off with a $50 a month add-on7

Compliance

Certifications: SOC 2 Type II; GDPR11
Encryption: TLS 1.3 or higher in transit11
HIPAA: Not HIPAA compliant; no Business Associate Agreement11

Read from Resend’s own pages on 2026-11-04. Every number links to the page a value came from. For agents, the same facts as markdown: /tools/send-email/resend.md