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Use with

Grade the numbers from your data tool.

Pick your tool for a step-by-step export guide and which phone column to send. Every US number comes back A1, A2 or A3, with the reason why.

Find your toolGrade 250 contacts free
7 tool guidesUS phone numbers onlyNot affiliated with any tool listed
Your export, from any of these or any CSV
ApolloZoomInfoLushaCognismSeamless.AIRocketReachClay
Graded by Will This Person Answer
A1Tavin OrrellPasses all five checksPhone
A2Anouk PellLandlineMulti-channel
A3Bram HollisLitigation flaggedEmail + LinkedIn
Data tools

Pick your data tool.

Each guide shows the export steps, which phone column to send, and what it costs in your tool.

Export a CSV

6 tools · download, then upload
ApolloCSV exportSend Mobile phone first.Read the Apollo guideZoomInfoCSV exportUses one ZoomInfo export credit per contact.Read the ZoomInfo guideLushaCSV exportReveal phones before you export.Read the Lusha guideCognismCSV exportRedeem contacts before you download.Read the Cognism guideSeamless.AICSV exportSend Contact Mobile Phone first.Read the Seamless.AI guideRocketReachCSV exportPhones need Premium Lookup credits.Read the RocketReach guide
How it works

Same three steps, whatever the tool.

Step 1

Export your list

Use the guide for your tool. Keep the phone columns in.

Step 2

Send it to us

Upload the CSV, send rows to the API, or ask Claude Code.

Step 3

Get grades back

Every US number comes back A1, A2 or A3, with the reason why.

One rule for every tool

Send the mobile first.

Column names change from tool to tool. The order doesn’t.

Mobile phoneSend this firstOnly mobiles can be A1.
Direct phoneSend if there’s no mobileIt can be graded, but it can’t be A1.
Company or HQ lineUsually skipIt rarely reaches the person.
What you get back

One grade per number.

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

Questions about your data tool.

Do you connect to these tools directly?

No. Export a CSV and upload it, send the rows to our API, or ask Claude Code to grade the file. In Clay, you call our API from an HTTP API column.

Does grading use my data tool’s credits?

No. Grading uses Will This Person Answer credits, one per graded contact. Exporting may use your tool’s credits, depending on your plan.

My tool isn’t listed. Can I still use it?

Yes. Any CSV with a US phone column works. Upload it and we find the name and phone columns for you.

Which phone numbers can you grade?

US phone numbers only. Rows with other numbers are skipped and not charged.

Grade your next
export free.

Try it on your next export before you pay anything.

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