Lost Customers: what moves it
Lost Customers is the ARR from Customers who paid last week and nothing this week.
One-time sales that end count on their own line.
The number
You, to your agent
What moved lost Customers this week, and which Play moved it?
curl "https://api.sb/leaseline.app/customers?where=status%20%3D%20%22churned%22&sort=-since&limit=3" \
-H "Authorization: Bearer $STARTUP_BUILDER_API_KEY"
# Not live yet (gaps #4)
curl -X POST https://api.sb/leaseline.app/metrics/query \
-H "Authorization: Bearer $STARTUP_BUILDER_API_KEY" \
-H "Content-Type: application/json" \
-d '{"metric":"churned-arr","shape":"trend","breakdown":"play","window":"7d"}'import { $ } from 'startup-builder'
const { customers } = await $.Customer.list({ where: 'status = "churned"', sort: '-since', limit: 3 }) // the 3 who left this week, 2 of them at risk a week earlier
return await $.Metric.query({ metric: 'churned-arr', shape: 'trend', breakdown: 'play', window: '7d' }) // by the Play credited · Not live yet, gaps #4
npx startup-builder do Customer.list --json '{"where":"status = \"churned\"","sort":"-since","limit":3}'
npx startup-builder do Metric.query --json '{"metric":"churned-arr","shape":"trend","breakdown":"play","window":"7d"}' # Not live yet (gaps #4){
"name": "do",
"arguments": {
"code": "const { customers } = await $.Customer.list({ where: 'status = \"churned\"', sort: '-since', limit: 3 }) // the 3 who left this week, 2 of them at risk a week earlier\nreturn await $.Metric.query({ metric: 'churned-arr', shape: 'trend', breakdown: 'play', window: '7d' }) // by the Play credited · Not live yet, gaps #4"
}
}Response200
application/json{
"metric": {
"$id": "https: //api.sb/ leaseline.app/ metrics/ churned-arr",
"$type": "Metric",
"name": "Churned ARR"
},
"week": "2026-10-19",
"value": -1041,
"rows": [
{
"play": "cold-email",
"value": -347,
"customers": 1
},
{
"play": null,
"value": -694,
"customers": 2
}
]
}
sample · 1 Not live yetPreview−$1,
$.Metric.query({ metric: · sample
| Credited to | This window | Customers |
|---|---|---|
| Cold email | −$347 ARR | 1 |
| No Play credited | −$694 ARR | 2 |
churned-arr is this site’s proposal to the hub (Not live yet, gaps #4), so the figure above is a sample until the hub holds it.
Owner
| Accountable | From |
|---|---|
customer-lead · Customer Lead | the filed bridge item, word for word |
Worked by
| Title | Its queue |
|---|---|
| CSM | POST /{namespace}/tasks/next on the CSM’s queue |
Moved here by
| How | Where |
|---|---|
| Play | Annual prepay · Offers a steady monthly Customer a year up front, at a discount their own churn pays for, and answers an annual cancel with one save. |
| Page | Renewals |
| Title | CSM |
The leaves
| Under it | Moved by |
|---|---|
| Month 3 retention | feeds it |
prepay-retention-lift | Annual prepay |
Compiled, not written: edit the records it reads (metrics/bridge.ts; cap), then regenerate. Every step runs from a sentence or a line of code. In your words: the CRM words you know, and where each lives here.