market email sequence derived

{
  "input": {
    "type": "http",
    "method": "GET",
    "queryParams": {
      "goal": "convert trial to paid",
      "lang": "en",
      "product": "online accounting software",
      "sequence_type": "nurture"
    }
  },
  "output": {
    "type": "json",
    "example": {
      "goal": "convert trial to paid",
      "sequence": [
        {
          "cta": "Connect your bank account",
          "angle": "Remove friction on the single highest-value activation step",
          "send_timing": "immediately",
          "body_outline": "Reminds them why they signed up, shows the 90-second bank-connect flow, links directly to it",
          "email_number": 1,
          "preview_text": "This is the step that saves you 3 hours a month",
          "subject_line": "Quick win: connect your bank in 90 seconds",
          "why_this_timing": "Trial users who activate in the first 24 hours convert to paid at a much higher rate"
        }
      ],
      "disclaimer": "Email performance benchmarks vary by industry and list quality. Warm new domains/IPs before sending at scale.",
      "amazon_search": "Email Persuasion by Ian Brodie",
      "sequence_type": "nurture",
      "audience_profile": "Active trial users who haven't connected a bank account yet — the key activation step",
      "metrics_to_watch": [
        "Bank-connect completion rate after email 1",
        "Trial-to-paid conversion rate by day 14"
      ],
      "segmentation_note": "Split by whether the bank-connect step is complete — completed users get feature-adoption emails instead",
      "subject_line_bank": [
        "You're 1 step from automated bookkeeping",
        "Still doing this by hand?"
      ],
      "product_or_service": "online accounting software",
      "deliverability_rules": [
        "Warm new sending domains gradually before sending at full trial volume",
        "Keep unsubscribe rate under 0.5% per send"
      ],
      "unsubscribe_reduction": "Offer a 'reduce frequency' option in the preference center instead of only unsubscribe"
    }
  }
}