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Seamless.AI

Real-time search engine for verified B2B sales leads and contact data

Hand-reviewed by the Toolglade team·Updated Aug 2026
sales#sales intelligence#lead generation#contact data#B2B prospecting
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Free plan Free trial Claimed API Teams Browser extension
Toolglade’s take

Seamless.AI is a widely used prospecting tool, and its real-time contact search can surface leads other databases miss. The pricing model draws consistent criticism: credit limits, mandatory add-ons, and quote-only top tiers mean teams often pay well above the advertised entry point. Data accuracy is decent but variable, so verification is still needed. It is worth trialing via the free tier, but scrutinize the total cost before committing.

About Seamless.AI

Seamless.AI is a sales intelligence platform that uses AI to find and verify B2B contact data in real time, helping teams build prospect lists and enrich records for outbound outreach.

Seamless.AI positions itself as a real-time search engine for sales leads, using AI to crawl and verify contact data rather than relying solely on a static database. Reps can search for prospects by role, company, and other criteria, then pull verified emails and phone numbers to fuel outbound campaigns. The platform includes a browser extension, list-building tools, and data enrichment, and integrates with major CRMs and sales-engagement tools. It has a large user base among SDR and outbound teams looking to fill their pipelines quickly. Seamless.AI's pricing is a frequent point of contention: a limited free tier exists, but paid plans rely on credit limits and add-ons that can push real costs well above initial expectations, and top tiers are quote-only. Data accuracy is generally useful but imperfect. For high-volume prospecting, it is a well-known option that buyers should evaluate carefully.

TL;DR

Seamless.AI is a widely used real-time B2B contact-data platform for prospecting, powerful for volume but criticized for credit limits and opaque pricing.

Company overview

Seamless.AI is a sales-intelligence company that markets a real-time search engine for verified B2B contact data. It has amassed a large user base among outbound and SDR teams that need to fill pipelines quickly.

The company differentiates on real-time data discovery and verification, though its pricing model is a recurring source of buyer complaints.

Product features

Features include real-time contact search, email and phone verification, a browser extension, list building, data enrichment, and integrations with major CRMs and sales-engagement platforms.

Usage is metered through credits, with add-ons and higher tiers unlocking more volume and features.

Target market

The target market is outbound sales teams, SDRs, recruiters, and demand-generation teams that need B2B contact data at scale.

Buyer personas

End users

SDRs and recruiters building prospect and candidate lists.

Buyers

Sales leaders and revenue-operations managers.

Key influencers

Outbound sales communities and consultants.

Ideal customer profile

An outbound-focused sales or recruiting team that needs high-volume B2B contact data and can manage credit-based pricing.

Funding & performance

Funding details are not consistently publicized; verify current status directly with the company.

Pros & cons

Pros

  • Real-time contact search and verification
  • Large reach across B2B contacts
  • Browser extension for quick prospecting
  • Integrates with major CRMs and outreach tools
  • Free tier to test the platform
  • Useful for high-volume outbound

Cons

  • Credit limits constrain usage
  • Mandatory add-ons raise real costs
  • Top tiers are quote-only
  • Data accuracy is variable
  • Costs often exceed initial expectations

Pricing plans

Free
$0
  • Small number of lifetime credits
  • Basic contact search
  • Browser extension
  • Test the platform
Pro
Contact sales
  • Higher credit allowances
  • Add-ons available
  • CRM integrations
  • Team seats
  • Quote-based pricing

Key features

API
Browser extension
Team collaboration
Integrations
Salesforce, HubSpot, LinkedIn, Outreach
Input types
text
Output types
text
Best For
SDR teams, outbound sales, recruiters

Compare key features

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Feature
Seamless.AI
Attio
lemlist
Pricing
Freemium
Freemium
Freemium
Free plan
Yes
Yes
Yes
Free trial
Yes
Yes
Yes
API
Yes
Yes
Yes
Team support
Yes
Yes
Yes

Frequently asked questions

Does Seamless.AI have a free plan?+

Yes, it offers a free plan with a small number of lifetime credits so you can test the platform.

How does Seamless.AI pricing work?+

Paid plans rely on credit limits and add-ons, and higher tiers are quote-only, so real costs vary and can exceed the entry price.

How accurate is the data?+

Data is generally useful but variable, so verifying critical contacts before outreach is recommended.

Does it integrate with my CRM?+

Yes, Seamless.AI integrates with major CRMs and sales-engagement tools like Salesforce, HubSpot, and Outreach.

Who is Seamless.AI best for?+

It is best for outbound sales teams, SDRs, and recruiters that need to build prospect lists at volume.

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