Catch Customer Issues Before They Become Churns

import requests

API = "https://api.multimail.dev/v1"
HEADERS = {"Authorization": "Bearer mm_live_xxx"}

response = requests.post(
    f"{API}/send",
    headers=HEADERS,
    json={
        "from": "[email protected]",
        "to": ["[email protected]"],
        "subject": "Checking in - noticed some changes in your usage",
        "text_body": (
            "Hi team,\n\n"
            "I noticed your API usage dropped 40% this month compared "
            "to last month. Wanted to check in and see if everything "
            "is working as expected.\n\n"
            "A few things that might help:\n\n"
            "- New documentation: Our webhook guide was updated last week\n"
            "- Training: I can set up a 30-min session on advanced features\n"
            "- Support: Any open issues I can help prioritize?\n\n"
            "Happy to jump on a quick call if that&"cm">#039;s easier:\n"
            "https://cal.yourcompany.com/csm-team\n\n"
            "Best,\nYour Customer Success Manager"
        ),
        "html_body": "<p>Hi team,</p><p>I noticed your API usage dropped 40%...</p>"
    }
)
print(f"Health check queued for CSM review: {response.json()[&"cm">#039;id']}")

import requests

API = "https://api.multimail.dev/v1"
HEADERS = {"Authorization": "Bearer mm_live_xxx"}

"cm"># Find customers flagged as declining
declining = requests.get(
    f"{API}/contacts/search",
    headers=HEADERS,
    params={"query": "declining-usage active-subscription"}
).json()

print(f"Found {len(declining[&"cm">#039;results'])} accounts needing health checks")

for customer in declining["results"]:
    print(f"  {customer[&"cm">#039;name']} ({customer['email']})")
    # Draft personalized health check for each
    requests.post(
        f"{API}/send",
        headers=HEADERS,
        json={
            "from": "[email protected]",
            "to": [customer["email"]],
            "subject": "Checking in - anything we can help with?",
            "text_body": f"Hi {customer[&"cm">#039;name']}, noticed some changes in your usage..."
        }
    )

"cm">// Find accounts with declining engagement
const declining = await mcp.search_contacts({
  query: "declining-usage pro-plan active",
  limit: 20
});

"cm">// Draft health check emails
for (const customer of declining.results) {
  const result = await mcp.send_email({
    to: customer.email,
    subject: "Checking in - noticed some changes in your usage",
    text_body: `Hi ${customer.name}, your API usage dropped this month...`
  });

  await mcp.tag_email({
    email_id: result.id,
    tags: ["health-check", "declining-usage", "q1-2026"]
  });
}

"cm">// Check pending for CSM review
const pending = await mcp.list_pending({
  mailbox_id: "success-mailbox-id"
});
console.log(`${pending.emails.length} health checks awaiting CSM review`);