Average Ratings 0 Ratings

Total
ease
features
design
support

No User Reviews. Be the first to provide a review:

Write a Review

Average Ratings 1 Rating

Total
ease
features
design
support

Description

LeadSonar is an innovative platform designed for B2B lead intelligence and sales prospecting, seamlessly integrating lead discovery, email verification, phone enrichment, ICP scoring, and AI-generated outreach openers within a unified workspace. This platform utilizes a sophisticated waterfall cascade that sources information from over 18 data providers, such as LeadMagic, Prospeo, Apollo, Hunter, and RocketReach, prioritizing rapid primary sources while employing fallback providers, and implementing a stop-on-hit mechanism that ceases the search once a verified result is located. With an impressive 99.9% accuracy rate for emails, a 95% success rate for leads, and the ability to enrich 25 profiles every second, LeadSonar stands out in its efficiency. Each lead enriched through the platform yields more than 30 data fields, enhancing the overall value proposition. Additionally, LeadSonar features advanced AI capabilities, including Sonya, a virtual sales assistant that manages the entire process of searching, verifying, and exporting data via simple English commands, alongside a scoring system that evaluates ideal customer profiles with A/B/C/D grades and a confidence scale from 0 to 100. Furthermore, the platform generates AI-crafted subject lines and opening lines that are specifically customized to align with the respective roles and companies of each lead.

Description

We believe software should serve people, not the other way around. Scalestack runs repeatable AI work as governed workflows, reachable from the agents your employees already use. Access, spend and a record of every action stay under your control. Point Scalestack at your data, start from a warehouse table, an application like Salesforce, a CSV or a live webhook. Records arrive the way they really are: incomplete, duplicated and out of date. Chain the steps you need, enrich, validate, score and reconcile in one workflow, from more than 190 modules. Describe it to Attento in plain English, or build it on the canvas. Run over a segment once, refresh it on the cadence the job needs, or process each record the moment a webhook sends it. Scalestack handles the plumbing, the API calls, retries, batching, rate limits, credits and confidence scoring, across hundreds of thousands to millions of rows. Get a clean, current table back, written back to your warehouse and the applications your teams use, or queried by agents over MCP, with the source and reasoning for every value. Typeform , Astronomer, Clio, Constructor, DigitalOcean, Harvey, Profound, Redis, The Stepstone Group and more run on it. Redis went from 40% to 90% CRM fidelity across 300K records. Typeform enriches in real time at a 92% B2B match rate with sub-5s latency. Platforms can embed Scalestack inside their own product and ship the AI capabilities never architected for.

API Access

Has API Yes 

API Access

Has API Yes 

Screenshots View All

No images available

Screenshots View All

Integrations

Airtable No 
Captain Data No 
Claude Fable 5 No 
Claude Fable 5.5 No 
Claude Haiku 4.5 No 
Claude Mythos 5.1 No 
Claude Opus 4.6 No 
Claude Opus 4.7 No 
Claude Opus 4.8 No 
Crunchbase No 
Dropcontact No 
Harmonic.ai No 
HubSpot CRM No 
Icypeas No 
Intellizence No 
LinkedIn No 
PhantomBuster No 
Pipedrive No 
Snowflake No 
Snowflake Cortex AI No 

Integrations

Airtable Yes 
Captain Data Yes 
Claude Fable 5 Yes 
Claude Fable 5.5 Yes 
Claude Haiku 4.5 Yes 
Claude Mythos 5.1 Yes 
Claude Opus 4.6 Yes 
Claude Opus 4.7 Yes 
Claude Opus 4.8 Yes 
Crunchbase Yes 
Dropcontact Yes 
Harmonic.ai Yes 
HubSpot CRM Yes 
Icypeas Yes 
Intellizence Yes 
LinkedIn Yes 
PhantomBuster Yes 
Pipedrive Yes 
Snowflake Yes 
Snowflake Cortex AI Yes 

Pricing Details

$24/mo for 5k leads (annual)
Free Trial Yes 
Free Version No 

Pricing Details

75000
On demand. Not offered by user seat or licence.
Scalestack offers an enterprise custom solution
Free Trial No 
Free Version Yes 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux No 
Chromebook No 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac Yes 
Linux No 
Chromebook No 

Customer Support

Business Hours No 
Live Rep (24/7) Yes 
Online Support No 

Customer Support

Business Hours No 
Live Rep (24/7) Yes 
Online Support Yes 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) No 
In Person No 

Types of Training

Training Docs Yes 
Webinars Yes 
Live Training (Online) Yes 
In Person No 

Vendor Details

Company Name

LeadSonar

Founded

2026

Country

United States

Website

leadsonar.io

Vendor Details

Company Name

Scalestack

Country

United States

Website

scalestack.ai/

Product Features

B2B Data

B2B Contact Data No 
B2B Intent Data No 
B2B Leads Data No 
B2B Marketing Data No 
Business Ownership Data No 
Company Data No 
Employee Data No 
Firmographic Data No 
Job Posting Data No 
Salary Data No 
Technographic Data No 

Sales Intelligence

CRM Integration No 
Data Cleaning No 
Data Enrichment No 
Data Import/Export No 
Data Mining No 
Data Verification No 
Email Integration No 
Lead Scoring No 
List Building No 
Performance Management No 
Pipeline Management No 
Predictive Modeling/Analytics No 
Prospecting Tools No 
Reporting/Analytics No 
Sales Forecasting No 

Product Features

Revenue Operations

AI Insights Yes 
Account Health Dashboard Yes 
Automatic CRM Updates Yes 
Contact / Activity Tracking Yes 
RevOps Automation Yes 
Revenue Dashboard No 
Revenue Intelligence / Reporting Yes 
Sales Analytics Yes 
Sales Forecasting Yes 
Third-Party Data Aggregation Yes 

Sales Intelligence

CRM Integration Yes 
Data Cleaning Yes 
Data Enrichment Yes 
Data Import/Export Yes 
Data Mining No 
Data Verification Yes 
Email Integration Yes 
Lead Scoring Yes 
List Building Yes 
Performance Management No 
Pipeline Management No 
Predictive Modeling/Analytics Yes 
Prospecting Tools Yes 
Reporting/Analytics Yes 
Sales Forecasting Yes 

Alternatives

Alternatives

Apollo Reviews

Apollo

Apollo.io
D&B Hoovers Reviews

D&B Hoovers

Dun & Bradstreet