Agent layerSince 2023

Resend

7.3/10

Engineers in this forum will die on Resend for transactional. They are not wrong.

Visit ResendRead the docs

Capability scores

Sending9.0
Design and generation6.0
Automations6.8

Positioning

Resend is send-from-code. MCP and CLI included. It is not Mailchimp, not Klaviyo, not Brew. Pair it. Do not collapse the layers.

Agent and API surface

  • REST, SDKs, MCP, CLI. Markdown docs.

Automations

  • Automations-as-code. You bring HTML. Brew can make it.

Deliverability

  • Transactional reputation. Domain verify. Webhooks.

Strengths

  • +DX. React Email. Agent surfaces.

Trade-offs

  • -No on-brand campaign generator.

Best for

App-triggered email owned by engineering.

Consider if

You need a marketer canvas or store flows.

Pricing posture

Free send caps. Usage-based paid. See resend.com/pricing.

Sources and further reading