Generate and validate bulk QR codes with Google Sheets and Drive

Creates QR codes in bulk from a spreadsheet and tracks each one's status as it gets scanned.

How the work actually flows

A straight line. Runs once per one per sheet row.

Pattern: Sequence (1) ยท Multiple Instances without Synchronization (12)

flowchart TD trig[\"new entry added to sheet"\]:::trigdata s0[["generate QR code"]]:::mi s1[("save QR to Drive")]:::store s2["check QR validity on scan"]:::task s3[("update sheet status")]:::store trig --> s0 s0 --> s1 s1 --> s2 s2 --> s3 out[/"QR codes with live status tracking"/]:::out pay{{"prevents duplicate or fraudulent use"}}:::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 stepRuns once per itemA record or sheetResultPayoff
Build size
Advanced

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

Business functions
Spreadsheet & Database OpsAPI & Webhook IntegrationFile & Cloud Storage
Connects
Google SheetsGoogle Drive
Featured in

The problem it solves

Generating and tracking QR codes for an event or membership program by hand means matching codes to people in a spreadsheet and hoping nobody reuses one. Without a way to check a code's status the moment it is scanned, duplicate or fraudulent entries slip through.

Who it fits

Event organizers or businesses running check-in, ticketing, or membership validation systems.

How it works

  1. A list of unique IDs, like email addresses, is added to a Google Sheet
  2. The system generates a QR code for each new entry
  3. Each QR image is saved automatically to Google Drive
  4. When a QR code is scanned, the system checks whether it's valid and hasn't already been used
  5. The spreadsheet updates automatically to show whether each code has been generated or used
What you get

Check-ins validated the instant a code is scanned

You get a unique QR code generated for every attendee automatically, with each scan checked and logged in real time.

What you get

A set of QR codes stored in Google Drive, plus a live status tracker in Google Sheets.

What you need

A Google Workspace account.

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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