Seamless.ai
Bottom line
Seamless.ai is a Browser Extension tool for Conversational Voice Calling Agents (AI SDR & Outbound). Pricing: $65–$147/mo · Enterprise plan. Best suited to B2B SaaS. Preliminary ratings, not yet fact-checked: AI autonomy L2 (workflow copilot); moat tier Proprietary moat. Data last checked Oct 3, 2026.
Real-time B2B search engine crawling the live web to deliver verified cell phone numbers, direct emails, and company sales intelligence.
Key facts
- Pricing
- $65–$147/mo · Enterprise plan
- Free plan
- No / not disclosed
- Delivery
- Browser Extension
- Audience
- B2B SaaS
- AI autonomy level
- L2 · Workflow copilot
- Draft estimate, not yet fact-checked
- Moat tier
- Proprietary moat
- Draft estimate, not yet fact-checked
- Funding
- Series B
- Headquarters
- United States
- Founded
- 2015
- Last verified
Core capabilities
- Real-time search engine crawling the live web to find verified direct cell phone numbers and business emails
- Chrome browser extension enabling one-click lead extraction directly on LinkedIn and corporate websites
- AI Writer assistant drafting personalized cold outreach emails and LinkedIn messages for discovered prospects
- Native CRM data synchronization exporting enriched prospect records directly into Salesforce, HubSpot, and Outreach
Moat analysis
Real-time search engine architecture crawling public web resources dynamically to resolve direct mobile phone numbers and emails on demand.
Editorial review
Draft: this review, the ratings and the moat analysis on this page have not yet been fact-checked by an editor. Check the vendor's website before relying on them.
Background
Seamless.AI was established in 2015 in Columbus, Ohio, to replace static B2B contact lists with real-time web search intelligence. Operating profitably with a workforce of over 250 employees and maintaining self-funded independence, Seamless.AI engineered a live search engine for sales prospecting. The platform is designed for sales development reps, commercial account executives, and startup founders who need to find direct cell phone numbers and verified business emails without relying on outdated databases that decay every quarter.
How Seamless.ai works
Operating at Level 2 autonomy, Seamless.AI functions through a web portal and a Google Chrome browser extension. When a sales rep searches for a prospective buyer on LinkedIn or queries the Seamless.AI search engine, the platform's distributed algorithms crawl the live web in real time. Rather than returning pre-compiled static records, the system evaluates multiple public web data points, verifies active email deliverability, and confirms carrier direct dials, allowing reps to export verified contacts directly into Salesforce, HubSpot, or Salesloft with a single click.
The primary technical advantage of Seamless.AI is its real-time web crawling approach, which can uncover newly updated contact details faster than traditional static databases. However, an operational limitation is that real-time crawling introduces occasional search latency compared to pre-indexed static tables. Furthermore, because the algorithm attempts to predict email naming formats across dynamic corporate domains, catch-all configurations can occasionally result in deliverability distortion or bounce rates. The platform is strictly a contact discovery and data enrichment utility; it is not built for managing secondary mailbox warmup or automated voice calling.
Seamless.ai pricing
Pricing follows an annual subscription model structured around user seats and search credit allowances. A Free tier provides 50 trial credits. The Pro plan begins at approximately $99 to $147 per user per month billed annually, providing daily credit allowances and standard CRM integrations. The Enterprise tier offers unlimited search credits, dedicated customer success management, custom API access, and advanced CRM synchronization mapping.
How Seamless.ai compares
In competitive sales intelligence evaluations, Seamless.AI competes directly against ZoomInfo Copilot and Apollo.io, appealing strongly to sales teams that prioritize direct mobile phone discovery and real-time data verification over rigid static databases. For outbound prospecting reps seeking direct phone connections to decision-makers, Seamless.AI delivers an effective, high-velocity data search engine.