For marketplaces
Every call captured. Every buyer converted.
Hundreds of marketplaces rely on Callr’s API to connect buyers and sellers — and turn every phone call into a tracked, attributable lead.

Name
Louis Phillips
Source
TV
Budget
€400,000
Looking for
Flat in Paris
Handling 2.5 million calls daily for 300+ companies
Why Callr
Why marketplaces rely on Callr
Three reasons the phone channel becomes your most measurable acquisition source.
Generate leads
Drop a unique tracked number on every listing. Capture the caller, route them to the seller, and push the lead straight to your CRM.
Convert more buyers
Qualify callers with AI before the seller picks up. Whisper the listing context, and surface the highest-intent buyers first.
Prove ROI to advertisers
Tell sellers exactly which channel drove which call, and which call became a lead. The numbers they keep asking for.
Anatomy of a marketplace call — from first ring to synced lead
01Tracked call
A buyer calls about a listing — on a Callr tracked number.
Every marketplace call, tracked and connected.
From the first ring to your CRM — Callr captures the lead, the context, and the outcome, then syncs it everywhere over API.
02Whisper & context
The agent hears the lead is from Homes.com before picking up.
Call whisper
Homes.comThis call is from Homes.com
Source
Homes.com · Search “Austin 3BR”
Listing
3BR · Austin, TX · #A-2214
Campaign
Featured listing
First-time caller
New lead
Whispered to the agent before the call connects — so they answer in context.
03Live transcript
Every word transcribed in real time.
Live transcript
Transcribing · English
Buyer
Hi — I saw the 3BR in Austin on Homes.com, is it still available for a viewing this Saturday?
04Data extracted
Callr pulls out the qualified-lead details.
Data extracted
Callr AIQualified lead, structured
Hi — I saw the 3BR in Austin on Homes.com, is it still available for a viewing this Saturday?
Intent
Book viewing
Listing
#A-2214
Property
3BR · Austin, TX
Budget
$520k
Preferred time
Sat 11:00
Financing
Pre-approved
05Synced via API
Every field flows straight into your marketplace stack.
Connected via API
DeliveredSynced across your stack
- lead ✓
- listing #A-2214 ✓
- source Homes.com ✓
- outcome ✓
CRM
Lead created & enriched
Homes.com back-office
Viewing booked
Analytics / BI
Call attributed to source
Email + SMS
Recap sent to both sides

Lead capture
Capture every phone lead. Across every listing.
A unique tracked number for every listing. A click-to-call button on every page. Coverage across 220+ countries on infrastructure we own — so the phone channel becomes a measurable, attributable acquisition source.
Get started for freeUnique phone numbers
A dedicated tracked number per listing, per region, per campaign. Provision in seconds across 220+ countries — mobile, fixed, or premium.
Click-to-call
One tap on mobile, one click on desktop. Connect the buyer to the seller in under a second, with full call attribution flowing back to your CRM and ad platforms.
Attribution
Give advertisers the numbers they keep asking for.
For every call: which channel drove it, which listing it came from, what the buyer wanted, and whether it converted. Pushed into Google Ads, GA4, your CRM and your BI — the moment the call ends.
Get started for freeCall tracking
Tie every inbound call to a source, a campaign, a listing. Whisper the context to the seller as the call connects.
Capture data
Transcripts, AI summaries, sentiment, intent, satisfaction — every conversation turned into structured data your product, marketing and BI teams can actually use.


Name
Pierre Charrière
Call summary
Pierre is in the market for a flat in Nice, with a maximum budget of €400,000.
Call source
Google Ads

Call in progress…
Edward Lang
Deal amount : €490,000
Current stage : Warm prospect
Last interactions
Looking for a house near Cambridge — budget €500,000.
Missed call — Edward Lang
Hi Eva, warm prospect Edward Lang just tried to call you. His number is +33 6 39 98 12 34.
Call him back →Prioritization
Help sellers spot the buyers worth calling back.
Surface high-intent callers first. Trigger automated follow-ups to the rest. Move every conversation forward without a rep having to remember it.
Get started for freeProspect prioritization
Auto-enrich incoming callers with CRM data and third-party intent signals before the rep picks up. The hot leads are obvious.
Lead nurturing
Auto-trigger SMS recaps and email follow-ups the moment a call ends. Keep every prospect warm without a rep having to chase them.
Integrations
Plug it into Salesforce, HubSpot, Google, or your in-house BI.
Native connectors, a REST API, and webhooks for everything that moves. Every call, transcript and intent signal flows back into the tools your team already uses — the moment the call ends.
Get started for free
HubSpot
SalesforceWhat our customers said
Discover how Callr can help you get more from your conversations
From the first ring to the closed deal, put your voice and message data to work.
Customer experience
Use Callr’s API to engage customers automatically, when and how they need it, at scale.
Learn more →Sales enablement
Identify high-value callers and hand sales the full context to close the deal.
Learn more →Data Intelligence
Automatically analyze every voice and message conversation with AI to get crucial insight about your customers.
Learn more →












