What is lemlist?
lemlist is a sales engagement platform that automates outbound prospecting across email, LinkedIn, phone calls, WhatsApp, and SMS. Most outbound teams send generic messages at low volume and wonder why reply rates stay flat. lemlist gives them AI-powered tools to find the right leads, personalize every touchpoint, and run coordinated sequences across multiple channels without doing it manually.
The platform covers the full outbound workflow. It finds and verifies contact data, builds audience segments, drafts and sends tailored messages, monitors deliverability, and tracks every reply in one inbox. Sales reps, SDRs, RevOps teams, sales leaders, and founders all use this sales engagement platform to cut prospecting time and book more meetings.
lemlist Video
Features & Benefits
- Multichannel Campaign Sequences: run automated outreach campaigns across email, LinkedIn, phone, WhatsApp, and SMS from a single workflow, with campaign steps that adjust automatically based on how each lead responds.
- 650M+ Lead Database: search a B2B lead database using ICP-fit filters to find accounts that match your target profile and pull verified contact data directly into campaigns.
- Email Finder and Verifier: find and verify business email addresses for leads already in your list or sourced from the database, with a confirmed recovery rate of up to 80%.
- Phone Number Finder: locate verified phone numbers for prospects and dial them directly from within a campaign workflow using native calling, Aircall, or Ringover.
- lemAgent (AI Campaign Builder): describe your outreach goals in plain language and let the AI build a full multichannel sequence with optimized touchpoints and personalized copy in minutes.
- Intent Signal Agents: detect high-intent events that suggest a prospect is ready to engage, then trigger suggested sequences, personalized copy, and AI prompts tied to that specific signal.
- Data Enrichment Agents: pull structured lead insights from LinkedIn profiles, websites, CRM records, and sales call recordings to qualify accounts and prioritize outreach.
- AI Personalization: gather lead-specific context at scale, including competitor data and key pain points, from LinkedIn bios and company websites to tailor every message without manual research.
- AI Variables: extract key lead attributes like company size, seniority, and fundraising stage from raw data; clean formatting issues like date formats, capitalized names, and cluttered job titles.
- AI Voice Cloning: clone your voice from a single recording, pair it with a script that uses smart variables, and send thousands of personalized voice notes.
- Campaign Generator: build a complete multichannel sales engagement platform sequence in under three minutes by describing your outreach goals to the AI.
- “Ask AI” Message Assistant: refine any outreach message for tone, length, and impact without rewriting it from scratch.
- Interest Detector: flag and label leads who show engagement signals so follow-up opportunities don’t get missed.
- LinkedIn Automation: send connection requests, visit profiles, and send text or voice messages on LinkedIn on autopilot, with a Chrome extension to find and export leads into campaigns.
- WhatsApp Outreach: add WhatsApp touchpoints to sequences for meeting confirmations, post-demo follow-ups, and re-engagement, with built-in sender warm-up.
- SMS Campaigns: send SMS steps within multichannel outreach sequences.
- Unified Inbox: manage replies from email, LinkedIn, WhatsApp, and phone calls in one place.
- Deliverability Hub: monitor mailbox and domain health across all sending accounts, run automated warm-up via lemwarm, and get fix recommendations before performance drops.
- A/B Testing: test complete sequences with different channel mixes to identify what drives replies and meetings.
- CRM and Tool Integrations: sync with CRMs, calling tools, and 500+ other apps via native integrations, API, and MCP support.
- Manual Action Reminders: set timed reminders inside sequences for outreach steps that need a human touch, like a LinkedIn comment.
What can lemlist do?
- Build multichannel outreach sequences with AI
- Find and verify B2B email addresses at scale
- Automate LinkedIn connection requests and messages
- Detect buying intent signals and trigger outreach
- Enrich leads with LinkedIn and website data
- Personalize cold emails with AI-generated insights
- Clone voice for personalized audio prospecting messages
- Call leads directly from within a campaign workflow
- Send automated WhatsApp follow-ups to prospects
- Monitor email deliverability across multiple mailboxes
- Warm up new email domains to protect sender reputation
- Segment lead lists by company size, seniority, and industry
- Sync outbound activity with CRM records
Real-World Applications
Sales development reps at B2B software companies may use this sales engagement platform to run full prospecting workflows from a single campaign view. An SDR working a list of 500 SaaS prospects can let lemAgent build the sequence, use enrichment agents to pull pain points from each company’s website, and launch personalized email and LinkedIn steps the same day. When a lead doesn’t reply to the first email, the platform can automatically queue a LinkedIn message next, then set a call reminder.
RevOps teams at scaling companies can use lemlist to standardize how the entire sales org runs outbound. They might build a master sequence template, connect it to Salesforce or HubSpot so activity syncs automatically, and use the Deliverability Hub to monitor sender reputation across every rep’s mailbox. When a domain starts showing issues, alerts surface before replies start dropping.
Founders running lean go-to-market operations might rely on the 650M+ database to find ICP-fit accounts without a separate prospecting tool. A solo founder targeting mid-market manufacturing companies can filter by industry, company size, and seniority, pull verified contacts, and have a personalized outreach campaign running the same afternoon.
Agency owners and growth consultants pitching new clients may find the AI personalization tools particularly useful for this sales engagement platform. Pulling competitor data and pain points from a prospect’s LinkedIn bio or website means each outreach email reads like it was researched by hand, even when sent at volume. Adding WhatsApp follow-up steps can re-engage prospects who went cold after an initial demo call.