Whatnot × Meta Ads Integration

Turn your Whatnot buyer list into a Meta Ads machine

Connect Clask to your Meta Ads account and push any buyer segment as a custom audience to Facebook and Instagram. Retarget your best customers. Build lookalikes from your top spenders.

Book Your Onboarding Call← Back to Clask

How it works

1
Build a segment in Clask
Use any conditions: spend, recency, order count
2
Click "Push to Meta"
Clask hashes PII and uploads to your ad account
3
Use in Facebook & Instagram ads
Retarget, exclude, or build a lookalike audience
Audience Sync

One-click audience sync

Select a segment in Clask, click "Push to Meta," and your custom audience updates automatically. No CSV exports, no manual uploads, no logging into Business Manager to paste data. Just a button.

✓ Supports Facebook Custom Audiences
✓ Supports Instagram audiences
✓ Updates existing audiences automatically
CLASK → META ADS
VIP Buyers (147 people)✓ Synced
Lapsed 30+ Days (312 people)✓ Synced
First-Time Buyers (89 people)✓ Synced
PRIVACY-SAFE PIPELINE
Buyer name, email, address→SHA-256 hash
Raw PII✕Never sent to Meta
Hashed data only→Meta Ads API
Compliant with Meta's Custom Audiences data handling requirements.
Privacy

Privacy-safe by default

All buyer PII is SHA-256 hashed before leaving Clask. We never send raw names, emails, or addresses to Meta. Your buyers' data stays protected, and your ads compliance stays clean.

Lookalike Audiences

Find new buyers who look like your best ones

Use your top 1,000 spenders as a seed to find new buyers on Facebook and Instagram who look just like your best customers. Lookalike audiences built from real transaction data consistently outperform interest-based targeting.

Build Your Top Buyer Segment →
1–10%
lookalike audience size options
Seed audience: your top spenders
Result: millions of similar profiles on Meta

Your Whatnot buyers are your best ad audience

Free 30-min setup call · First month free.

Book Your Onboarding Call

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