Can you trust the numbers in ContactOut?
ContactOut is a contact data tool for finding the email addresses and phone numbers of professionals. Its own help pages give 3 reasons its numbers can look different from what you expect. The first to rule out: The same person can show contact details in the browser extension and come back empty through the API, as ContactOut's help pages say, so two counts of found contacts may not agree.
What does ContactOut keep track of?
ContactOut keeps the leads you save in folders on your dashboard, which gives you a running list of the contacts you have chosen to keep.
In ContactOut's own words:
Profiles can be saved into folders for viewing on your personal dashboard
Using ContactOut to reveal personal contact information, read 2026-11-12.ContactOut keeps track of how many email and phone credits each person on the team may use, which is a rough record of how many contacts they can look up.
In ContactOut's own words:
The applied limits are visible in the "Email credit limit" and "Phone credit limit" columns.
Set credit limits for team members, read 2026-11-12.
What can make ContactOut's numbers look wrong?
The same person can show contact details in the browser extension and come back empty through the API, as ContactOut's help pages say, so two counts of found contacts may not agree.
In ContactOut's own words:
There are certain scenarios where the ContactOut Chrome Extension will return data where the API does not.
Data discrepancy between ContactOut chrome extension and API, read 2026-11-12.Lookups made from some LinkedIn links can find nothing, because ContactOut's API, as its help pages explain, does not take those links, so a lead list built that way can look smaller than it is.
In ContactOut's own words:
The API does not support URLs from salesNav or Recruiter.
Data discrepancy between ContactOut chrome extension and API, read 2026-11-12.Some work emails in a ContactOut list may be guesses that passed a check at that moment rather than addresses it already held, as its developer docs explain, so a few can still turn out wrong later.
In ContactOut's own words:
If no work email is found in ContactOut's database, the system attempts to guess and verify one in real-time.
API Reference, read 2026-11-12.
How do I check ContactOut's numbers myself?
An owner can download the contacts picked from a ContactOut search as a spreadsheet file and count them line by line.
In ContactOut's own words:
You can select the contacts you like to export into a CSV file
How to Build a Leads List with ContactOut Search, read 2026-11-12.Looking at when a ContactOut profile was last updated shows how fresh the contact details behind a lead are.
In ContactOut's own words:
The date and time when the profile was last updated.
API Reference, read 2026-11-12.
How does ContactOut work with Feder?
Connect ContactOut to Feder and it joins your Interest apps. Feder only reads. It never changes anything in ContactOut.
When you connect ContactOut, Feder checks the connection straight away and shows Connected only when that check passes. If a reading cannot be taken later, Feder shows it as not read, never as zero.
Other apps that feed Interest
- Jotformform submissions
- Klaviyonew profiles
- Mailchimpclicks on today's sends
- ActiveCampaignnew contacts
- Cal.combookings made
- Intercomnew contacts
Questions owners ask about ContactOut
- Why did ContactOut find fewer emails and phone numbers?Team members without their own limit draw on one shared pool of credits, so heavy use by one person can leave less for everyone else.
- Why does my ContactOut saved leads count look different from my team's?Your own leads view shows only the leads you saved, so it can be smaller than the team's total.
- Why did my ContactOut search show fewer people?A search can be set to leave out people whose contact details you have already revealed, so repeat searches can show fewer people.
Where do these answers come from?
Everything this page says about ContactOut comes from ContactOut's own pages, quoted above with the date we read them. Last reviewed 2026-11-12. We read them again by 2027-11-12. If one changes, this page changes or comes down.
Know the day a number breaks, not the month after.
Some numbers are too quiet to judge daily, such as a form filled in a few times a week. Until there is enough of your own history to judge a change, Feder says it is still learning and scores nothing, rather than guessing.
