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Reference edition 2026.46

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Datasigma vs Blesso

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Datasigma compared with Blesso
Detail Datasigma Blesso
What it doesB2B contact data from public web sources with verified emails and source citations AI-native GTM done for you
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFreemium Paid
PricingFree plan: 100 credits (one-time). Starter: $99/month with 2,000 credits. Growth: $189/month with 5,000 credits. Pro: $499/month with 15,000 credits. One credit reveals a contact's email and phone number. Engagements start at $2k a month. Three months minimum, then rolling monthly with 30 days' notice.
Key features
  • 101M+ verified business contacts indexed from public web sources
  • Source URL citation on every record for verification
  • Real-time email verification and validation
  • Advanced search filters by industry, location, and company size
  • CSV export with verified contact data
  • Exclude existing contacts and suppress lists
  • API access for programmatic data retrieval
  • MCP integration for AI agents
  • CRM and data enrichment integration
  • 2 in 3 contacts not on other prospecting platforms
  • Signal monitoring across 6,000+ accounts watching hiring, funding, tech, and intent
  • End-to-end outbound: sourcing, scraping, list building, enrichment, scoring, sequencing, deliverability, and reply handling
  • Weekly content shipped: blog posts, founder posts, and lead magnets
  • AI answer engine optimization (AEO) tracked across ChatGPT, Perplexity, Gemini, and other models
  • Operator console with daily brief showing accounts, replies, and agent activity
  • Email and LinkedIn outreach on one sequence
  • Reply triage routing responses to meetings, nurture, or human review within minutes
  • Deliverability management for email campaigns
  • 24/7 platform operation with AI agents running continuously
What makes it different
  • Most contacts not available on LinkedIn or other prospecting platforms
  • Every contact has a public source URL to verify the data
  • Indexes the open web instead of reselling the same LinkedIn lists
  • Pay only for contacts you actually use
  • Real-time email validation with automatic credit refunds for invalid emails
  • Combines senior human operators with tireless AI agents in one system
  • First conversations in 21 days with no annual lock-in
  • All motions feed one compounding system for visibility across signals, conversations, and content
  • Priced by motion and outcomes, not by seat or lead volume
  • Rolling monthly contracts after 3 months with 30 days' notice
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)Not checked yet no change since last checkNot checked yet no change since last check
Trust Flow (Majestic)10
Citation Flow (Majestic)2213
Referring domains (Majestic)610

5 details filled in for both companies.

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