Case study · AI Agents & Automation
Leads that reach a booking instead of going cold
The brand was paying to generate leads, then losing them in the gap between a form fill and a human reply.
- Lead arrives
- Sits in the inbox
- Noticed when someone checks
- Replied to, late or not at all
- Most go cold
- Client
- a D2C brand
- Problem
- Leads came in faster than anyone could follow up, so many went cold before a reply.
- Approach
- Automation that qualifies each lead, follows up on its own, and books the ones that are ready.
The problem
A D2C brand was spending to bring leads in, through ads and social, and the leads arrived. What did not happen reliably was the follow-up. A form fill landed in an inbox, and whether it turned into a booking depended on whether someone saw it in time.
The gap between a lead raising its hand and a person replying is where most leads are lost. By the time the brand got back to them, interest had cooled or they had gone elsewhere. The spend to generate the lead was already made; the return was leaking out at the last step.
The reality behind the problem
Hiring someone to watch the inbox does not fix the shape of the problem: leads do not arrive on a schedule, they arrive in bursts, and a person cannot reply to all of them in the minutes that matter. The brand did not need more hours against the inbox. It needed the first follow-up to happen on its own, every time, without waiting for a person to notice.
The system we designed
Stallwart built automation that picks up each new lead the moment it arrives, qualifies it against the brand's own criteria, and follows up straight away. Leads that are ready are moved toward a booking; the ones that need a person are handed over with the context attached. The first touch no longer waits for someone to check the inbox.
How it works
- 01
Capture every lead at the source
Leads from ads, social, and the site all land in one place the automation watches, so none depends on a person forwarding it to the right inbox.
- 02
Qualify against the brand's criteria
Each lead is scored on what makes a good fit for this brand, so the ones ready to book are separated from the ones that need nurturing or a person.
- 03
Follow up and book, or hand over
Ready leads get an immediate, on-brand follow-up and a path to book. Anything that needs judgment is handed to a person with the lead's context attached.
The system
From a form fill that waits in an inbox to a follow-up that happens on arrival.
Before
- Lead arrivesSource
- Sits in the inbox
- Noticed when someone checks
- Replied to, late or not at all
- Most go coldConsumer
Follow-up waited on a person noticing the lead.
After
- Lead arrivesSource
- Qualified on criteria
- Followed up straight away
- Ready ones booked, others handed over
- Fewer lost in the gapConsumer
Each lead is qualified and followed up on arrival.
The hard parts
Where the engineering judgment was.
Automate the first touch, not the whole relationship
Speed on the first reply is where leads are won or lost. Automating that step captures the moment without pretending a machine should close every deal.
The trade-off
The system is built to move fast and escalate, not to replace the human conversation a high-intent lead still deserves.
Qualify before a person is involved
A person's time is best spent on leads that are ready. Scoring first means the team is not triaging an undifferentiated pile by hand.
The trade-off
The qualifying criteria have to be defined up front and kept honest, so the system escalates rather than discards when it is unsure.
What changed
The brand stopped losing leads in the gap between a form fill and a reply. The first follow-up now happens on arrival, every time, so interest is met while it is still warm rather than a day later.
The team's time shifted from watching an inbox to handling the leads that actually need a person, with the context already gathered for them.
- From follow-up that waited on someone noticing to follow-up that happens on arrival.
- From an undifferentiated inbox to leads scored and sorted before a person looks.
- From spend leaking out at the last step to more leads reaching a booking.
Ownership & handover
What you receive, and keep.
The lead automation is the brand's to run, with nothing held back.
- Source code for the capture, qualification, and follow-up system.
- The qualifying criteria, written down and editable as the brand learns.
- Infrastructure as code and runbooks for operating it.
- Documentation of how a lead moves from arrival to booking or handover.
What we learned
Paid lead generation is only half a system. The money is made or lost in the minutes after a lead arrives, and that is exactly the window a human inbox cannot cover reliably. Automate the first touch, qualify before a person is pulled in, and escalate what needs judgment, and the spend already made on the lead stops leaking out at the final step.
This work connects to
- AI Agents & Automation
- Lead qualification and follow-up
- D2C and e-commerce
Frequently asked
What does D2C lead automation actually do?
It picks up each new lead the moment it arrives, qualifies it against the brand's criteria, and follows up straight away, moving ready leads toward a booking and handing the rest to a person with context. The goal is to close the gap between a lead raising its hand and the first reply.
Does the automation replace the sales team?
No. It handles the first touch and the qualifying, which is where speed matters most and where a human inbox falls behind. People still handle the conversations that need judgment, now with the leads pre-sorted and the context gathered.
How does it decide which leads are ready?
Against criteria defined with the brand up front, which describe what a good fit looks like. When the system is unsure, it escalates to a person rather than discarding the lead, so judgment stays in the loop.
Who owns the system?
The brand does. The code, the qualifying criteria, the infrastructure, and the documentation are yours to run and change, with no lock-in.
Paying for leads, then losing them to a slow reply?
Tell us where the leads come in and where they go cold. We build the system that follows up on arrival.
Last updated: November 1, 2026