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Grade 250 contacts free
Use with Seamless.AI

Grade your Seamless.AI phone numbers before you dial.

Export your list from Seamless.AI, send it to Will This Person Answer, and get every US phone number back as A1, A2 or A3, with the reason why.

Grade 250 contacts freeRead the docs
US phone numbers onlyNo card requiredNot affiliated with Seamless.AI
seamless-ai-export.csvExported from Seamless.AI · 120 rows
First nameLast nameCONTACT MOBILE PHONE
TavinOrrell+1 312 555 0147
AnoukPell+1 646 555 0128
BramHollis+1 415 555 0193
Graded by Will This Person Answer
A1Tavin OrrellPasses all five checksPhone
A2Anouk PellLandlineMulti-channel
A3Bram HollisLitigation flaggedEmail + LinkedIn
How it works

From Seamless.AI export to graded list.

Step 1

Export from Seamless.AI

1Go to My ContactsFilter with the funnel icon if you only want some of them.
2Pick what to downloadClick the three dots, then Download Filtered, Selected or All.
3Choose Clean, Raw or CustomCustom lets you pick fields. Keep the phone columns in.
4Click DownloadSave the CSV.
Step 2

Send it to us

Upload the CSVDrop the export into the web app. We find the name and phone columns for you.
Send it to the APIUp to 100 contacts per request. Map the name and phone columns.
Ask Claude Code“Grade this Seamless.AI export and tell me who to call.”
Step 3

Get grades back

A1PhoneA valid mobile, the right person, in use.
A2Multi-channelWorks, but something isn’t confirmed.
A3Email + LinkedInDead, high-risk or flagged. Never dialed.

Download the graded CSV, or read the results straight from the API response.

Column guide

Which Seamless.AI column to grade.

Seamless.AI’s export has several phone columns. Here’s what to send.

Seamless.AI columnWhat to doWhy
Contact Mobile PhoneSend this firstThe contact’s mobile. Only mobiles can be A1.
Contact Phone 1Send if there’s no mobileAnother number found for the person. We check what kind of line it is.
Company Phone 1Usually skipA company line, so it rarely reaches the person.
Good to know

Before you export.

  • Seamless.AI uses a credit when you research or find a contact, per its credit guide.
  • Raw downloads include numbers Seamless.AI marked invalid. Clean leaves them out.
  • Grading uses Will This Person Answer credits: one per graded contact.
  • Only US phone numbers are graded. Other rows are skipped and not charged.
  • Will This Person Answer isn’t affiliated with Seamless.AI. It works with your export.
FAQ

Seamless.AI questions.

Does Will This Person Answer connect to Seamless.AI directly?

No. Download a CSV from Seamless.AI and upload it, send the rows to our API, or ask Claude Code to grade the file.

Which Seamless.AI phone column should I grade?

Contact Mobile Phone first. If it’s empty, send Contact Phone 1 instead. Only mobiles can be A1.

Should I download Clean or Raw?

Either works. Raw includes more numbers to grade, and any dead ones come back as A3.

More data tools
Use with ApolloUse with ZoomInfoUse with LushaUse with CognismUse with RocketReachUse with Clay

Source: seamless.ai. Checked Oct 2, 2026. Seamless.AI is a trademark of its owner. Will This Person Answer isn’t affiliated with Seamless.AI.

Grade your next
Seamless.AI export free.

Try it on your next Seamless.AI export before you pay anything.

  • US phone numbers only
  • No card required
  • One credit per graded contact
Grade 250 contacts freeOr read the docs