Head to head

Lead411 vs Seamless.AI

Same facts, side by side: starting price, free tier, MCP, API and what each one is actually built for.

Lead411

$49/mo 7 day free trial

B2B emails and direct dials with buying-intent signals, from $49/mo with a 7-day trial.

Where Lead411 fits

Phone-first recruiting and sales desks
Teams that want intent alongside dials
Buyers who want a 7-day trial before paying
Teams comparing flat-fee against a cheaper dial start

Seamless.AI

Quote-based Free tier

Real-time contact search with some sequencing attached. Quote-based for the paid tiers.

Where Seamless.AI fits

Desks that span sales and recruiting
Teams that want live verification rather than an export
Organisations connecting Salesforce or HubSpot
Buyers who want MCP on a large database

At a glance

Detail	Lead411	Seamless.AI
Starting price	$49/mo	Quote-based
Free tier	–No	✓Yes
Free trial	7 day free trial	Not on record
MCP server	–No	✓Yes
Public API	✓Yes	✓Yes
Listed under	Email finders, Lead generation	Email finders, Lead generation, Outreach
Capterra	4.7 from 78 reviews	4.5 from 581 reviews

Where they pull apart

Lead411

Stands out: Intent signals sitting alongside the dials, at a price that undercuts the enterprise data vendors.

Watch out: No MCP, and intent data is only as useful as the market you sell into.

Not the right fit for

LinkedIn-only browser users
Teams that need MCP

Seamless.AI

Stands out: Contacts are verified as they come back rather than pulled from a stale export.

Watch out: The marketing is loud and the paid tiers are sales-led, with no published price.

Not the right fit for

Talent teams that want a quiet, recruiter-only tool
Buyers who need a published self-serve price

Pros and cons

Lead411

Published entry price
7-day trial
Intent alongside dials

No MCP
Intent quality varies by market
Not a browser-first tool

Seamless.AI

Hosted MCP plus API
Live verification rather than stale exports
Connects to the major CRMs

No published price
Marketing-heavy experience
Sales-led buying process

What each one costs

Lead411

$49/mo

From ~$99/mo. Confirm current terms on the vendor site.

Checked 17 Sep 2026

Seamless.AI

Quote-based

Quote-based. Confirm current terms on the vendor site.

Checked 7 Sep 2026

Common questions

Can you try Lead411 or Seamless.AI for free?

Seamless.AI carries a free tier on our listing. Lead411 offers a 7 day free trial.

Does Lead411 or Seamless.AI have an MCP server?

Seamless.AI ships a first party MCP server, so an AI assistant can work the product directly.

Not the pair you wanted?

All Lead411 alternatives All Seamless.AI alternatives Every Email finders tool

Editorial listings, never paid rankings. Prices checked 17 Sep 2026. Confirm current terms on the vendor site. Spot an error?