Warmer is an AI-powered sales enrichment tool that turns prospect lists into personalized, relevant messages to boost B2B outreach response rates.
Warmer is an AI-powered sales enrichment tool built for B2B teams that need to move beyond generic cold outreach. Instead of relying on mass templates, it automates the research and personalization process, turning a simple CSV list of prospects into individually tailored messages. The tool sits in a specific niche: it enriches lead data with social and company intelligence, then uses AI to write unique emails that feel human. It's not a CRM or a full marketing automation suite, but a focused layer that plugs into your existing stack.
The core workflow is straightforward. You upload a CSV with basic prospect information (name, company, maybe title), and Warmer scrapes LinkedIn profiles, company websites, and other public sources to build a rich profile for each lead. It then generates a personalized message based on that data. The AI considers job changes, recent funding, company news, and even personal interests to craft something that sounds like a real person did the research. The result is outreach that gets noticed — users report reply rates jumping from 2% to 18% or higher.
Pricing is credit-based and scales with volume. The Growth plan at $59/month gives you 500 credits (about $0.12 per lead), which works for small teams or testing. The Professional plan at $119/month bumps that to 2,500 credits and adds email validation and API access. The Scale plan at $249/month is for teams, offering 10,000 credits, priority support, and a dedicated account manager. Annual billing brings the cost down, and there's a free trial to test the waters. For the value delivered in saved research time and higher conversion, the pricing is reasonable.
Warmer is best for sales development reps, small sales teams, and agencies that send a high volume of cold emails and need to personalize each one without spending hours on manual research. It's also a good fit for companies that already have a CRM and email platform but lack the enrichment layer. The tool integrates with Salesforce, HubSpot, Outreach, and others, and offers a REST API for custom workflows. Setup takes minutes — upload, enrich, personalize, export.
Overall, Warmer delivers on its promise. It automates the tedious parts of prospecting and produces messages that actually get replies. The limitations are clear: it's not a database of contacts (you bring your own leads), and it doesn't handle multi-step sequences or campaign management. But as a personalization engine that sits between your lead list and your email tool, it's effective and easy to use. For any B2B team struggling with low response rates, Warmer is worth a serious look.
Features
- CSV upload and processing
- Social data scraping
- AI message generation
- Company intelligence enrichment
- Email validation and verification
- Seamless CRM integrations
- API access and integrations
Pricing
Pros
- Boosts response rates by up to 3x
- Saves over 90% of research time
- Generates human-like personalized outreach at scale
Cons
- Not a full marketing automation platform
- Limited to lead enrichment and personalization, not a contact database
Best For
Sales teams, SDRs, and agencies looking to scale personalized outreach.