Lead411 vs Prospeo

Lead411 is a B2B contact data and prospecting service with direct-dial data, buyer intent data, technographic filters, and API access. Its Chrome Extension is for browsing LinkedIn and other company websites, and the service integrates with Salesforce, HubSpot, Pipedrive, Outreach.io, and other platforms. Lead411 says its contact data process combines machine learning, human verification, and real-time email validation; it claims 96%+ email deliverability accuracy and a 97% average for optimized verified emails. Direct dials receive human verification and location matching. Most plans offer unlimited lead searches and exports, though some have monthly or yearly limits; unused exports roll over to the next billing cycle. The Pilot plan provides 50 free exports during a 7-day trial. Paid plans start at 49 USD per month. Monthly plans can be canceled at any time; annual-plan options require contacting support. Lead411 says it was founded in 2001 and is headquartered in Boulder, Colorado. It also states that it is a registered data broker under applicable state laws, including Texas law.

Prospeo is a B2B prospecting and data-enrichment platform for finding people and companies, then adding contact data to existing lists. Filtered searches target contacts and organizations matching a profile. Prospeo says its database contains more than 300 million professional profiles across more than 30 million companies, including over 143 million verified emails and 125 million verified mobile numbers. Features include bulk search, CSV and CRM enrichment, a Chrome extension, API access, and people and company search. The maker says a five-step process reaches 98% email-verification accuracy and that contact data refreshes every seven days. Integrations include HubSpot, Salesforce, Pipedrive, Zoho, Close, Monday, Outreach, Salesloft, Lemlist, Instantly, Clay, Zapier, n8n, Make.com, and an MCP server. Free costs nothing with 100 monthly credits, basic filters, and limited API access, but no CSV enrichment.