Checkify

For multi-seller marketplaces and platforms

Trust proofs for marketplaces. Without centralising unnecessary identity data.

Checkify helps marketplaces confirm human, age, or eligibility proofs for buyers and sellers using privacy-first Checkify Passes across onboarding, listings, and transactions.

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The challenge

Marketplaces need trust at scale without becoming identity repositories.

Checkify helps marketplaces confirm human, age, or eligibility proofs for buyers and sellers using privacy-first Checkify Passes across onboarding, listings, and transactions.

The platform journey

Verify sellers before restricted listings go live.

Build platform trust without hoarding user identity data.

  1. They arrive
  2. Your business asks
  3. They're in control
  4. You get the answer
  5. They continue
Your business asks

Seller starts category signup. Then: seller approves checkify pass. Then: listing eligibility confirmed.

Website age check asking the customer to verify they are over 18

They're in control

On their phone, they open a Checkify Review Request.

They see exactly what is being verified

The required proof — nothing more for this check.

Checkify Review Request showing an age verification request the customer can approve
  • Required proof

No unnecessary document handover to your marketplace for this check.

You get the answer

Your business receives the verification result it needed — not their identity documents.

Your marketplace receives

Over 18

Verified

The check was a moment in their journey — not the whole experience.
They continue

Back to what they came to do.

The check was a moment in their journey — not the whole experience.

What you need

Build platform trust without hoarding user identity data.

A better trust model for genuine platform users.

Your marketplace doesn't need an ID vault for this check.

Marketplace use cases

One proof layer across platform journeys.

Built for responsible platform trust.

Seller onboarding When a seller account needs a human proof.
Buyer age gates When a purchase needs stronger assurance.
High-trust transactions Before age-restricted or high-risk categories.
Category-specific controls When a sensitive action needs a clear result.

Add Checkify to the systems you already use.

Start with the integrations available today. More platforms are being added.

Available now

Early access

Coming soon

Squarespace — Coming soon
BigCommerce — Coming soon
Magento — Coming soon
PrestaShop — Coming soon
OpenCart — Coming soon
Ecwid — Coming soon
Webflow — Coming soon
Square Online — Coming soon

Try it

Try a Checkify verification.

See the customer side of the experience before adding it to your flow.

Age Check

Prove you are over 18 without sharing your full date of birth with this website.

Not verified yet.

Checkify Pass — Demo. This is a test flow and not a real verification. Results are not stored or shared in this demo.

Plans start at £29.99/month.

Start with the plan that fits your verification volume and grow from there.

Starter · Growth · Scale · Enterprise

See pricing
Want to add trust proofs to your marketplace?

Want to add trust proofs to your marketplace?

Book a short demo and we'll show you how Checkify can support seller onboarding, buyer age gates, and category-specific verification without centralising unnecessary identity data.

Talk to us

Want to add trust proofs to your marketplace?

Book a short demo and we'll show you how Checkify can support seller onboarding, buyer age gates, and category-specific verification without centralising unnecessary identity data.