Resend inbound email vs agentinbox.pro
Resend added inbound email for developers already on their sending platform. agentinbox.pro is receive-only infrastructure built for agent intake, not a full email API.
Comparison
Section titled “Comparison”| Resend inbound | agentinbox.pro | |
|---|---|---|
| Scope | Send + receive email API | Receive-only inbound |
| Domain model | Resend-managed receiving domains | BYOD catch-all or platform instant inbox |
| Webhook | Resend event format | inbound.email.received + HMAC headers |
| Try without DNS | Limited / account-dependent | Instant inbox demo |
| Replay | Check Resend docs for current API | POST .../events/:eventId/replay |
Why teams look at both
Section titled “Why teams look at both”Search volume for resend inbound email indicates developers already using Resend who need programmatic inbound. If you only need inbound to your agent — not send — a receive-only pipe avoids coupling intake to your transactional sender.
agentinbox.pro advantages for agents
Section titled “agentinbox.pro advantages for agents”- Catch-all on your domain:
billing@,support@, anything — one MX record - No outbound SMTP in the product surface
- Raw
.eml+ normalized JSON with idempotency keys - Free tier for development (1 domain, 100/day)
Getting started
Section titled “Getting started”- Create instant inbox — send mail, see JSON
- Quickstart — production path with your domain
- Webhook events — verify signatures in your handler
See also: SendGrid Inbound Parse comparison