Resend Connector

Automate onboarding flows, receipts, and incident alerts via Resend.

Required secrets

loopcli secret add resend-api-key --value re_abcd1234

Common automations

• Send onboarding drip emails when new users sign up.
• Trigger renewal reminders before subscriptions expire.
• Deliver incident notifications with run summaries attached.

Example loop

name: resend-onboarding
steps:
  - id: compose
    name: Draft welcome email
    type: http
    config:
      url: https://api.anthropic.com/v1/messages
      method: POST
      headers:
        Authorization: "Bearer {{secret:anthropic-api-key}}"
        Content-Type: application/json
      body:
        model: claude-3-haiku
        max_tokens: 300
        messages:
          - role: user
            content: "Write a friendly welcome email for {{run.payload.user.email}}"
  - id: send
    name: Send via Resend
    type: http
    config:
      url: https://api.resend.com/emails
      method: POST
      headers:
        Authorization: "Bearer {{secret:resend-api-key}}"
        Content-Type: application/json
      body:
        from: "LoopCLI <notifications@example.com>"
        to:
          - "{{run.payload.user.email}}"
        subject: "Welcome to LoopCLI"
        html: "{{steps.compose.response.body.content[0].text}}"

Templates

• User onboarding drip
• Invoice reminder sequence

Helpful links

• Resend API docs
• Managing domains