Compare / Resend

Truncus vs Resend

Both are modern email APIs for developers. Here's how they compare.

Choose Truncus if:

  • ✓ You need synchronous delivery confirmation, not just a queued response
  • ✓ You need EU data residency — AWS SES in Ireland (eu-west-1)
  • ✓ You can't afford email loss — durable retry queue with dead-letter recovery
  • ✓ You're building a multi-tenant SaaS
  • ✓ You want AI agent integration (MCP server)

Choose Resend if:

  • ✓ US data residency is fine
  • ✓ A queued (async) send response is acceptable
  • ✓ You want React Email as the primary workflow
  • ✓ You need marketing email features (Audiences, Broadcasts)

Feature Comparison

FeatureTruncusResend
InfrastructureAWS SES Ireland (eu-west-1)Single SES wrapper
Delivery ConfirmationSynchronous (send_sync, ~1s)Async only
Failed Email RecoveryRetry queue + dead letter + replayLost
Data ResidencyEU default (SES Ireland)US by default
Failure DetectionCircuit breakers — fail fast, exact errorNo
Multi-tenant SupportNative (tenant_id)Separate accounts
AI Agent IntegrationMCP server (8 tools)CLI (March 2026)
React EmailSupportedSupported
Marketing EmailNoYes (Audiences, Broadcasts)

Pricing Comparison

PlanTruncusResend
Free3,000 emails/mo3,000 emails/mo
~$19-20/mo$19 — 50,000 emails$20 — 50,000 emails
~$100/mo$99 — 300,000 emails$100 — 200,000 emails

Switching from Resend?

Migrate in under 30 minutes. Same API patterns, better infrastructure.

Migration GuideTry Truncus Free
Truncus vs Resend — Email API Comparison