lineverify

For sales and lead-gen teams

Upload your call or email list. See which contacts will connect, which are dead, and which could get you sued, before your team wastes a single dial.

01 / Live resultsScrolling
Mobile
+1 415 555 0189Safe to call
Landline
+1 646 555 0142Do not call
Email
hello@founder.ioDeliverable
Mobile
+1 718 555 0199Lawsuit risk
Email
noreply@temp.ccThrowaway
Mobile
+1 310 555 0149Safe to call
Landline
+1 212 555 0187Do not call
Landline
+1 646 555 0142Do not call
Email
hello@founder.ioDeliverable

99.9%

Uptime, guaranteed

<2s

To check one number

170+

Carriers covered

02 / Who it is for

Built for people who live on the phone.

Sales teams

Fewer dead dials.

Reps spend their day on numbers that ring, not on disconnected lines and bad leads.

Lead-gen agencies

Cleaner lists, fewer refunds.

Check every lead before it reaches a client, and stand behind what you deliver.

Business owners

No surprise lawsuits.

Know which numbers are tied to serial lawsuit filers before anyone makes the call.

03 / What you get

Know what every number and email tells you.

Phone

8 checks

TCPA risk
Flags numbers tied to serial lawsuit filers, before you dial.
Line type
Mobile, landline, VoIP or disconnected.
Carrier
Who runs the line, and whether it moved to a new carrier.
Activity score
How alive the line is, from 0 to 100. Under 30 is likely dead.
Spam score
How likely carriers have flagged it, from 0 to 100.
Caller ID
The name registered to the number.
DNC status
Whether it is on the Do Not Call registry.
Location
State and local time zone.

Email

4 checks

Deliverability
Whether a message will actually reach the inbox.
Domain check
Confirms the domain is set up to receive email.
Live inbox check
Asks the mail server if the address exists.
Throwaway detection
Flags disposable addresses like temp mail.

TCPA compliance

One wrong number costs $1,500.

We flag numbers tied to serial lawsuit filers before you dial. One bad call can mean a $500 to $1,500 judgment per violation.

04 / How it worksThree steps
  1. 01

    Upload your list

    Paste numbers or emails, or drop a CSV. Any format works.

  2. 02

    We verify in real time

    Phone numbers are checked against live carrier data. Emails are checked for a real, working mailbox.

  3. 03

    Get actionable results

    Mobile, landline, VoIP or disconnected, plus deliverability scores, spam risk and lawsuit-risk flags for every entry.

05 / PricingCredit-based

Simple, credit-based pricing.

Free

25 checks per month

$0/mo

  • 25 checks a month
  • No credit card required

Starter

1,000 checks · $0.069 each

$69once

  • 1,000 checks, never expire
  • CSV export
  • All data fields

Growth

Most popular

$229once

  • 4,000 checks, never expire
  • CSV export
  • All data fields
  • Priority support

Scale

12,500 checks · $0.052 each

$649once

  • 12,500 checks, never expire
  • CSV export
  • All data fields
  • Priority support
  • Custom API
Contact us
06 / In practiceSample run

The first 30 seconds tell you everything.

lineverify / verifying 5 of 5

+1 (415) 555-0189

Mobile · Verizon

Safe to call

hello@founder.io

Deliverable

Valid mailbox

+1 (646) 555-0142

Landline · Frontier

Do not call

noreply@temp.cc

Risky

Throwaway

+1 (718) 555-0199

Mobile · T-Mobile

Lawsuit risk

847

bad numbers removed before a campaign launch.

3

serial lawsuit filers flagged in a list of 800.

12 min

to verify 500 records. Not 12 days.

lineverify

Upload a phone or email list and get back the truth: carrier, line type, spam risk, deliverability and DNC status.

Product

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