# 01 introduction \# LeadSonar — B2B Lead Intelligence Platform \> Find verified emails and phone numbers for any B2B prospect. Search millions of contacts, enrich them in real time, and push them straight into your outreach tools. \## What is LeadSonar? LeadSonar gives sales teams, agencies, and growth operators a single platform to find, verify, and act on B2B contact data — without juggling five different tools. \- \*\*Search\*\* a database of millions of B2B professionals by job title, seniority, industry, company size, and location. - \*\*Enrich\*\* any contact with a verified work email and direct-dial phone number. - \*\*Score\*\* leads against your Ideal Customer Profile so you spend time on the right people. - \*\*Export\*\* enriched contacts to CSV or push them directly into your cold-email tool. \## Who uses LeadSonar? \| Role | Use case | |------|----------| | SDRs & AEs | Build targeted prospect lists in minutes instead of hours | | Agency owners | Enrich client lead lists at scale via API | | Growth engineers | Automate enrichment pipelines with a single API call | | RevOps teams | Keep CRM data fresh with verified contact info | \## Core capabilities \### Lead Search Search across millions of verified B2B contacts. Filter by job title, seniority level, industry, country, company size, and more. Results return instantly. \### Email & Phone Enrichment Submit a name and company — get back a verified work email and direct phone number. LeadSonar checks multiple data sources and returns the best match, verified in real time. \### AI Lead Scoring Describe your ideal customer and LeadSonar grades every lead A through D. Focus your outreach on the people most likely to convert. \### Bulk Enrichment Enrich up to 100 contacts per API call. Upload a CSV in the dashboard or hit the REST API — results stream back as they complete. \### Integrations Push enriched leads directly into Instantly, Smartlead, or any tool that accepts CSV. The API is REST-based and works with Zapier, Make, n8n, and custom pipelines. \## Getting started Create a free account at \[app.leadsonar.io]\() to get 3,000 credits and start searching immediately. No credit card required. Ready to integrate? Head to the \[Getting Started guide]\(./02-getting-started.md). --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://scalingroom.gitbook.io/leadsonar-docs/01-introduction.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.