Automatically verify WhatsApp numbers in your spreadsheet

Checks each phone number in your spreadsheet against WhatsApp and marks it verified or not, automatically.

How the work actually flows

A straight line. Runs once per one per phone number.

Pattern: Sequence (1) ยท Multiple Instances with a priori Design-Time Knowledge (13)

flowchart TD trig(["scheduled spreadsheet check"]):::trigtime s0["find pending numbers"]:::task s1[["clean number format"]]:::mi s2["verify against whatsapp"]:::svc s3[("update spreadsheet status")]:::store trig --> s0 s0 -->|"one per one per phone number"| s1 s1 --> s2 s2 --> s3 out[/"verified numbers marked in spreadsheet"/]:::out pay{{"no wasted messages to invalid numbers"}}:::pay s3 --> out out --> pay classDef task fill:#e7f6fe,stroke:#34b8f0,color:#2c2a29 classDef svc fill:#f6f8fa,stroke:#7c8795,color:#2c2a29 classDef mi fill:#e7f6fe,stroke:#0079a8,color:#2c2a29,stroke-width:2px classDef human fill:#fff,stroke:#0079a8,color:#0079a8 classDef store fill:#f6f8fa,stroke:#0079a8,color:#2c2a29 classDef trig fill:#00a4eb,stroke:#0079a8,color:#fff,font-weight:bold classDef trigtime fill:#00a4eb,stroke:#0079a8,color:#fff,font-weight:bold classDef trigdata fill:#8ad4f5,stroke:#0079a8,color:#06314c,font-weight:bold classDef gate fill:#fff,stroke:#e8a23d,color:#6b4708,font-weight:bold classDef out fill:#1f9d6b,stroke:#167a53,color:#fff,font-weight:bold classDef pay fill:#06314c,stroke:#021f33,color:#fff
Starts itA stepAn outside serviceRuns once per itemA record or sheetResultPayoff
Build size
Advanced

A larger build with multiple systems, AI reasoning, and custom rules.

Business functions
Messaging & NotificationsSpreadsheet & Database Ops
Connects
Google SheetsRapiwa

The problem it solves

Manually checking whether hundreds of phone numbers are even active on WhatsApp before you message them is slow and error-prone. Sending to unverified numbers wastes time and can get your account flagged.

Who it fits

Marketers, small business owners, or support teams who message leads on WhatsApp in bulk.

How it works

  1. On a schedule, the system checks your spreadsheet for pending numbers
  2. Each number is cleaned into the correct format
  3. It's verified against WhatsApp through a verification service
  4. The spreadsheet is updated as verified or unverified
What you get

A cleaner list of reachable WhatsApp contacts

You know which numbers on your list are reachable on WhatsApp before you start messaging.

What you get

An updated spreadsheet showing which numbers are verified and ready to message.

What you need

A Google account and a phone number verification service subscription.

We can build this. But should you?

The hard question is not how to build it. It is whether this is the right thing to build first.

That is what a Fractional Chief AI Officer figures out with you, before anyone writes a line of code.

Let's Talk Strategy

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