Keep the Resend DX. Add the orchestration layer.
Connect Resend, enforce quotas, route alongside other providers, and get unified reporting without giving up the developer-first experience your team likes.
- Native
- APINative
- Multi-domain
- DomainsMulti-domain
- To SES, Mailgun…
- FailoverTo SES, Mailgun…
- Reporting
- UnifiedReporting
Resend is great for developers. The platform around it still matters.
Resend gives developers a clean API and nice primitives for transactional email. Teams adopt it fast. What they hit later is the same thing every single-provider setup hits: no quota awareness, no failover, no cross-provider reporting, and nothing to route traffic when Resend itself is the bottleneck.
Mailers.io sits in front of Resend as an orchestration layer. Resend stays your API of choice for certain sends; Mailers.io handles routing, templates, suppression, and the unified view across any other providers you attach.
Resend as one clean provider in a larger pool.
- Step 1
Attach your Resend API key
Provide a scoped key. Attach multiple keys per environment or per domain for isolation.
- Step 2
Set quotas & priority
Respect Resend plan limits while enforcing your own caps. Priority decides which send goes where.
- Step 3
Observe every event
Delivered, bounced, complained, and delayed events from Resend flow into the unified timeline.
Resend plus everything a single provider cannot give you.
Per-environment keys
Separate sending servers for prod, staging, and per-product keys keep blast radius small.
Quota-aware routing
Platform caps enforce on top of Resend plan limits so bursts never silently drop.
Fall through to other providers
If Resend errors, pooled providers like SES, Mailgun, or SMTP take the send automatically.
Shared templates
Write templates once, render consistently across Resend and every other provider.
Auth verification
Continuous SPF/DKIM/DMARC checks against your Resend-managed sending domains.
Unified reporting
One dashboard for Resend plus any other provider. Compare delivery across the stack.
- You love the Resend API but need redundancy across providers
- You want quota enforcement Resend does not expose
- You want one dashboard across Resend and other sending sources
- You run staged environments and want isolated Resend keys per stage
- Resend features inside the Resend dashboard (domain status, audiences) still live there
- We wrap Resend for orchestration — we do not replace its sending engine
- Reputation and policies still belong to Resend on a per-domain basis
Questions answered clearly.
Keep Resend. Give your sending a real control plane.
Attach Resend, pool it with other providers, and ship with quota-aware routing and unified reporting.