Skip to content
SalesBuilderby Startups.Studio
Revenue

Sequences: follow-ups that stop on reply

Timed follow-ups that stop the moment someone replies, books or buys, with conversion by step.

A Sequence is timed follow-ups that stop the moment someone replies, books or buys. Each step costs $0.04 drafted and sent (sample).

Enroll, then pauseMode try
You, to your agent

Enroll Kestrel Rentals in our nurture follow-ups, then pause them while I talk to them.

curl -X POST "https://api.sb/leaseline.app/contacts/contact_52/enroll?mode=try" \
  -H "Authorization: Bearer $STARTUP_BUILDER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"sequence":"sequence_3"}'

curl -X POST "https://api.sb/leaseline.app/enrollments/enrollment_17/pause?mode=try" \
  -H "Authorization: Bearer $STARTUP_BUILDER_API_KEY"
import { $ } from 'startup-builder'

const { enrollment } = await $.Contact.enroll({ contact: 'contact_52', sequence: 'sequence_3' }, { mode: 'try' })   // Assisted nurture: 9 steps, front-loaded into month one
return await $.Enrollment.pause({ enrollment: 'enrollment_17' }, { mode: 'try' })   // “Maybe next quarter.”: the next step waits

npx startup-builder do Contact.enroll --json '{"contact":"contact_52","sequence":"sequence_3"}' --try
npx startup-builder do Enrollment.pause --json '{"enrollment":"enrollment_17"}' --try
{
  "name": "do",
  "arguments": {
    "code": "const { enrollment } = await $.Contact.enroll({ contact: 'contact_52', sequence: 'sequence_3' }, { mode: 'try' })   // Assisted nurture: 9 steps, front-loaded into month one\nreturn await $.Enrollment.pause({ enrollment: 'enrollment_17' }, { mode: 'try' })   // “Maybe next quarter.”: the next step waits",
    "mode": "try"
  }
}
Response200application/json
{
  "enrollment": {
    "$id": "https://api.sb/leaseline.app/enrollments/enrollment_17",
    "$type": "Enrollment",
    "status": "paused",
    "step": "outcome",
    "nextAt": null,
    "contact": {
      "$id": "https://api.sb/leaseline.app/contacts/contact_52",
      "$type": "Contact",
      "name": "Sam Ortiz"
    },
    "sequence": {
      "$id": "https://api.sb/leaseline.app/sequences/sequence_3",
      "$type": "Sequence"
    },
    "mode": "try"
  }
}
sample

What it does

What you pay forPrice per unit (sample)The call
A step drafted and sent$0.04POST /{namespace}/contacts/{contact}/enroll
A pause or a resume$0POST /{namespace}/enrollments/{enrollment}/pause

Run it

StepCallWhat it does here
1POST /{namespace}/contacts/{contact}/enrollAssisted nurture: 9 steps, front-loaded into month one
2POST /{namespace}/enrollments/{enrollment}/pause“Maybe next quarter.”: the next step waits

Set it up

CheckOn the day-0 StartupFixYour timeWaitThen
suppressed-contactpassenrolling a suppressed Contact refuses0 minnonePOST /{namespace}/collections/query
no-consentpasseach step reads Consent for its purpose before it sends0 minnonePOST /{namespace}/consents
mailbox-warmpasssteps send only from a warmed Mailbox0 min14 days from day 0POST /{namespace}/mailboxes/{mailbox}/warm
sequences/nurture-assisted.mdx
---
sequence: nurture-assisted
play: lead-nurture
sending: as-itself
steps:
  - { id: proof, wait: 1d, medium: email }
  - { id: outcome, wait: 4d, medium: email }
  - { id: question, wait: 2d, medium: email }
  - { id: offer, wait: 7d, medium: email }
  - { id: use-case, wait: 7d, medium: email }
  - { id: month-one-close, wait: 7d, medium: email }
  - { id: value-42, wait: 14d, medium: email }
  - { id: value-63, wait: 21d, medium: email }
  - { id: pausing, wait: 21d, medium: email }
exitOn:
  - A reply
  - A paid Order or Subscription
  - A stop at any scope
  - A hard bounce
  - A Deal opened after a held Meeting
  - 90 days with no Lead Event
  - Day 180
---

The records

The Enrollment, paused · sample
{
  "enrollment": {
    "$id": "https://api.sb/leaseline.app/enrollments/enrollment_17",
    "$type": "Enrollment",
    "status": "paused",
    "step": "outcome",
    "nextAt": null,
    "exitReason": null
  }
}
StepWaitMessageExits on
proof1dOne proof fact matched to the Lead’s interest.A reply · A paid Order or Subscription · A stop at any scope · A hard bounce · A Deal opened after a held Meeting · 90 days with no Lead Event · Day 180
outcome4dA verified Customer outcome like theirs, or a Sample.the same
question2dOne plain-text question.the same
offer7dThe entry Offer as the Pricing Page states it, with a booking link.the same
use-case7dThe use case for the Lead’s role, from the claims source.the same
month-one-close7dThe month-one close: the Offer, two times, and a monthly-only choice.the same
value-4214dA new fact matching the interest; skipped when none exists.the same
value-6321dA new fact matching the interest; skipped when none exists.the same
pausing21dA new fact if one exists, the note that the Play is pausing, and how to reach a person.the same

+4.1 per 100 · ■■□□ Early sign · n 412 · path → arr

Conversion by step, sample until captured: replies or bookings per 100 who reached the step, read with POST /{namespace}/metrics/query on nurture-conversion by step.

StepReached (n)Replied or booked, per 100Confidence
proof4123.4■■□□ Early sign
outcome3982.8■■□□ Early sign
question3714.6■■□□ Early sign
offer3405.9■■□□ Early sign
use-case3011.7■■□□ Early sign
month-one-close2774.3■■□□ Early sign
value-422310.9■■□□ Early sign
value-632040.5■■□□ Early sign
pausing1881.1■■□□ Early sign

Calls

CallWhat it doesWhat else happensEvent
POST /{namespace}/contacts/{contact}/enrollEnroll adds a Contact to a Sequence, which sends its steps until the Contact replies or exits.Refuses a suppressed Contact or one with no consent for the Sequence’s purpose.Contact.enrolled
POST /{namespace}/enrollments/{enrollment}/pausePause stops one Contact’s run through a Sequence at its current step, without ending it.—Enrollment.paused
POST /{namespace}/enrollments/{enrollment}/resumeResume restarts a paused run at the step it stopped on and sets when that step fires.Sets nextAt from the step’s wait, counted from now.Enrollment.resumed
POST /{namespace}/enrollments/{enrollment}/cancelCancel ends one Contact’s run through a Sequence for good, with the reason it records as exitReason.—Enrollment.canceled
POST /{namespace}/sequencesNot in the hub registry snapshot.Today: ——

Events

Contact.enrolled · StartupBuilder-Signature
{
  "$id": "https://api.sb/leaseline.app/events/event_1",
  "$type": "Event",
  "name": "Contact.enrolled",
  "at": "2026-10-22T12:00:00Z",
  "seq": 1,
  "data": {
    "contact": {
      "$id": "https://api.sb/leaseline.app/contacts/contact_1",
      "$type": "Contact",
      "email": "dana@leaseline.app",
      "phone": "Example phone"
    },
    "enrollment": {
      "$id": "https://api.sb/leaseline.app/enrollments/enrollment_1",
      "$type": "Enrollment",
      "status": "active",
      "step": "Example step"
    }
  }
}
Enrollment.paused · StartupBuilder-Signature
{
  "$id": "https://api.sb/leaseline.app/events/event_1",
  "$type": "Event",
  "name": "Enrollment.paused",
  "at": "2026-10-22T12:00:00Z",
  "seq": 1,
  "data": {
    "enrollment": {
      "$id": "https://api.sb/leaseline.app/enrollments/enrollment_1",
      "$type": "Enrollment",
      "status": "active",
      "step": "Example step"
    }
  }
}
Enrollment.resumed · StartupBuilder-Signature
{
  "$id": "https://api.sb/leaseline.app/events/event_1",
  "$type": "Event",
  "name": "Enrollment.resumed",
  "at": "2026-10-22T12:00:00Z",
  "seq": 1,
  "data": {
    "enrollment": {
      "$id": "https://api.sb/leaseline.app/enrollments/enrollment_1",
      "$type": "Enrollment",
      "status": "active",
      "step": "Example step"
    }
  }
}
Enrollment.canceled · StartupBuilder-Signature
{
  "$id": "https://api.sb/leaseline.app/events/event_1",
  "$type": "Event",
  "name": "Enrollment.canceled",
  "at": "2026-10-22T12:00:00Z",
  "seq": 1,
  "data": {
    "enrollment": {
      "$id": "https://api.sb/leaseline.app/enrollments/enrollment_1",
      "$type": "Enrollment",
      "status": "active",
      "step": "Example step"
    }
  }
}
Sequence.created · StartupBuilder-Signature
{
  "$id": "https://api.sb/leaseline.app/events/event_1",
  "$type": "Event",
  "name": "Sequence.created",
  "at": "2026-10-22T12:00:00Z",
  "seq": 1,
  "data": {
    "sequence": {
      "$id": "https://api.sb/leaseline.app/sequences/sequence_1",
      "$type": "Sequence",
      "steps": {}
    }
  }
}

Refuses when

CheckRefusesFixThen
suppressed-contacta send or Sequence step to a Contact on a Suppression, from any PlayLeave them out: run the List again, which drops every suppressed Contact.POST /{namespace}/collections/query
no-consenta send or Sequence step whose purpose the Contact has given no Consent forRecord the Contact’s yes, with where they gave it, before the first send.POST /{namespace}/consents
mailbox-warm Not live yet · gaps #1 · today: The 422 renders from the sample; POST /{namespace}/mailboxes/{mailbox}/warm, POST /{namespace}/approvals/{approval}/approve and POST /{namespace}/leads/{lead}/assign clear it.a first cold email from a Mailbox that has not finished warmingWait for the warm-up to finish, 14 days from day 0; warm intros keep running.POST /{namespace}/mailboxes/{mailbox}/warm
422RefusedStep two to Lakeside Rentals’ owner did not send: they asked us to stop on Oct 12.
CheckFixThen
suppressed-contact failLeave them out: run the List again, which drops every suppressed Contact.POST /{namespace}/collections/query
JSON
{
  "type": "https://startupbuilder.dev/errors/refused",
  "title": "Refused",
  "status": 422,
  "detail": "Step two to Lakeside Rentals’ owner did not send: they asked us to stop on Oct 12.",
  "checks": [
    {
      "check": "suppressed-contact",
      "status": "fail",
      "observed": "Suppression suppression_6, unsubscribed 2026-10-12",
      "doc": "/code/refusals#check-suppressed-contact",
      "fix": "Leave them out: run the List again, which drops every suppressed Contact.",
      "then": "Collection.query"
    }
  ]
}

It says no, says why, and names the fix.

422RefusedPinecrest Homes’ second visitor was not enrolled: no Consent on record for sales email.
CheckFixThen
suppressed-contact pass—POST /{namespace}/collections/query
no-consent failRecord the Contact’s yes, with where they gave it, before the first send.POST /{namespace}/consents
JSON
{
  "type": "https://startupbuilder.dev/errors/refused",
  "title": "Refused",
  "status": 422,
  "detail": "Pinecrest Homes’ second visitor was not enrolled: no Consent on record for sales email.",
  "checks": [
    {
      "check": "suppressed-contact",
      "status": "pass"
    },
    {
      "check": "no-consent",
      "status": "fail",
      "observed": "no Consent for purpose sales-email",
      "doc": "/code/refusals#check-no-consent",
      "fix": "Record the Contact’s yes, with where they gave it, before the first send.",
      "then": "Consent.create"
    }
  ]
}

It says no, says why, and names the fix.

Pauses when

StopPauses whenFixThen
unanswered-positivea reply asking to meet that waits 60 minutes for a personAnswer the reply, then approve the resume.POST /{namespace}/approvals/{approval}/approve
kill-switchyou press it, or the injection Stop firesReview what fired, then turn the Process back on.POST /{namespace}/processes/{process}/enable
Campaign.paused · unanswered-positive · Not live yet, gaps #2 · sample
{
  "$id": "https://api.sb/leaseline.app/events/event_951",
  "$type": "Event",
  "name": "Campaign.paused",
  "at": "2026-10-19T16:45:00Z",
  "data": {
    "campaign": {
      "$id": "https://api.sb/leaseline.app/campaigns/cold-email",
      "$type": "Campaign"
    },
    "reason": {
      "limit": "unanswered-positive",
      "observed": "64m",
      "bound": "60m",
      "window": "60m"
    },
    "task": {
      "$id": "https://api.sb/leaseline.app/tasks/task_88",
      "$type": "Task"
    }
  }
}

Plays that use it

PlayWhat it doesIts Metric
Lead nurtureFollows up each unbought Lead with notes keyed to what they did, most in month one, until they buy, reply or go quiet 90 days.nurture-conversion

Metric it reaches: Nurture conversion (nurture-conversion).

Hub guides it deepens

On startupbuilder.devIdWhat it holds
Sequencenoun:sequencethe record, its fields and every call on it
Enrollmentnoun:enrollmentthe record, its fields and every call on it

Example

Leaseline, whenWhat happenedCost (sample)
2026-10-14Kestrel Rentals enters Assisted nurture$0
2026-10-19after step two, Sam replies “Maybe next quarter”; Dana pauses it while she calls$0.08 for 2 steps

Compiled, not written: edit its page, 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.

Meetings

Previous Page

When to reach out

Next Page

Contents

What it doesRun itSet it upThe recordsCallsEventsRefuses whenPauses whenPlays that use itHub guides it deepensExample