New Registry location: https://registry.zk.email/. The older version is being phased out.

ZK Email SDK Registry

List of community submitted ZK Email patterns that can be dropped into your project.

Proof of Amazon Delivery

amazon
verification
vana
contango/amazon-order
Last modified: 25/11/2024

Prove you got an email with a subject like 'Delivered: Your Amazon.com order #111-7387290-3948234', and reveal only the order number.

Extractable values: OrderNumber


Reveal Only Email Domain for any Gmail Account

domain
anonymous
udp/gmail-domain-proof
Last modified: 25/11/2024

Looks for any email from no-reply@accounts.google.com and extracts only the domain.

Extractable values: domain


proof of nvidia invite

news@nvidia.com
swinecoder/nvdia
Last modified: 20/11/2024

proof a recipient has been invited to an nvidia event

Extractable values: email_recipient


Proof of Coinbase KYC

coinbase
kyc
jup/coinbase-kyc
Last modified: 03/02/2025

Prove you did a Coinbase KYC and commit to an address, but don't reveal who you are. This checks for a subject that says 'Your account has been verified'.

Extractable values: verifiedSubject


Proof of Zuthailand

zuzalu
tickets
Nicole/zuthailand
Last modified: 19/11/2024

Prove you got an acceptance email admitting you to zuThailand.

Extractable values: acceptance