Nullmask
Ethereum
Partner API

Private payments, inside your product.

Exchanges and wallets give their users what nullmask.io does - deposits into the pool, private transfers, withdrawals and swaps on Ethereum, BNB Chain, Monad, Robinhood Chain, Base, Arbitrum, Avalanche - through one REST API, with keys, webhooks and a dashboard of their own. By invitation.

API reference

  • Private pool

    Accounts, deposits, private transfers, withdrawals and in-pool swaps, network by network.

  • Public swaps

    PancakeSwap prices and the transactions to sign, straight from the user’s wallet.

  • Bridge

    Cross-chain transfers through NEAR Intents, with the order followed to its end.

  • Built to run

    Keys with IP allowlists and limits, idempotent POSTs, signed webhooks, usage per key.

Checking your invite…

Partner sign-in

Approved partners sign in with the wallet address registered for their team.

How it works
  1. 1Open the invite link NullMask sent you and apply. We review every application by hand.
  2. 2Once approved, your team gets a one-time link and signs in with a wallet.
  3. 3Make keys, point webhooks at your servers, and call the API.