Tazor docs
Tazor is USDT checkout for businesses on Whitechain: customers pay without gas, merchants refund in one click, and accountants get the export.
Set up your business at Start accepting USDT, then read Checkout, refunds & subscriptions under Payments below.
Also built: B2B approvals
How to send and pay invoices, run direct debits and manage who approves for your company, and how Tazor keeps payments flowing if we, or anyone else, stop serving them.
Get started
- What is TazorUSDT checkout for businesses on Whitechain: customers pay without gas, merchants refund in one click, accountants get the export. Also: B2B approvals.
- Your approver passkeyCreate the passkey you approve with, and the approver account that goes with it.
- Your company on ENSHow a company name such as acme.taz0r.eth holds who may approve.
- Product tourThe whole cycle in one pass: receive, pay, control and keep the books.
- Switching companiesAct as Acme (buyer) or Bluejay (supplier) to see both sides of a payment.
Payments
- Create an invoiceSend an encrypted payment link that only the holder of the link can read.
- Pay an invoiceOpen a payment link, check it, approve it with your passkey and pay.
- ApprovalsWhat an approval signs, when two are needed, and how a second approver joins.
- Payment runsApprove many invoices from one buyer with a single signature.
- Mandates (direct debits)Let a supplier collect up to a fixed amount each period, within limits you sign.
- Checkout, refunds & subscriptionsTake USDT from any wallet with one signature, refund it in one click, and charge subscriptions, all gasless.
Company
- The Company pageYour company, its ENS data and its team in one place: people, roles, and the controls to add or remove someone.
- Team and rolesApprovers, admins and agents, and how a backup signer protects against a lost phone.
- PoliciesSpending limits, payee rules, temporary access and the time-locked exit.
- Removing a personStop someone approving for your company in about three seconds.
- Freeze a deviceRevoke your own approver for a company if your phone is lost or compromised.
- The Security & settings pageLive health of everything a payment depends on, the relayer, recent removals and lost-device controls.
Trust & safety
- Censorship resistanceHow a signed payment still gets through if Tazor or the sequencer stops it.
- Security modelWhat protects a payment from being redirected, and what you still have to trust.
- Testnet simulationsWhat is simulated on Whitechain Sepolia, and what is real.
- WB SoulWhiteBIT-verified identity: the real registry on Whitechain mainnet, and the labelled mirror on testnet.
Developers
- Pay button SDKTake a Tazor payment on any website with one script tag, one element and one event.
- AI agents (x402)Let AI agents pay per request in USDT with the standard x402 protocol and Tazor as the facilitator.
- Relayer APIThe optional, stateless relayer: every endpoint, request and response.
- ContractsEvery contract address this build uses, with explorer links.
- Passkey checkSign a test challenge with this device's passkey and verify it on Whitechain's P-256 precompile.