Dummy Payment Gateway

Build and test a full Donut Coin money flow with DonutBank.

DonutBank is a sandboxed, in-app experience for creating bank accounts, organizing sub-accounts, and moving Donut Coins between people and applications, including connecting external apps with API keys and sub-account tokens.

Bank AccountsSub-AccountsTransactionsAPI Keys

DonutBank Overview

Live Sandbox

Create a bank account

Start with a main account and a Donut Coin balance.

Spin up sub-accounts

Create dedicated sub-accounts for teams or projects.

Send and receive

Move Donut Coins, then review every transaction.

Connect apps

Generate API keys and sub-account tokens for apps.

Donut Coins onlyNo real money involved

A clean, professional sandbox for money workflows.

DonutBank is a dummy payment gateway built around Donut Coins. It lets you try real product flows, like creating accounts, managing balances, and sending money, without touching real currency.

Everything lives inside the DonutBank app: dashboard views, sub-accounts, transaction history, and a developer area for applications, API keys, and sub-account tokens.

What you can do

Create a primary DonutBank account

Deposit and withdraw Donut Coins

Send money to saved quick-send accounts

Track all transactions in one place

Core Features

Everything you need to explore the DonutBank workflow.

Bank Account Dashboard

See balances, recent activity, and quick links in one place.

Sub-Accounts

Create focused sub-accounts with their own balances and cards.

Quick Send

Save frequent recipients and send Donut Coins faster.

Deposit and Withdraw

Move Donut Coins in and out of your main balance.

Transactions

Review every transfer and drill into transaction details.

Applications + API Keys

Create applications, manage API keys, and generate tokens.

How DonutBank flows work

1

Create a bank account and view your balance

2

Add sub-accounts for specific needs

3

Deposit, withdraw, and send Donut Coins

4

Track every transaction in the activity feed

5

Create app tokens linked to sub-accounts

For Developers

Applications, API keys, and sub-account tokens.

Create applications, add your website URL, and generate API keys. Users can create a sub-account token for your app, so your app can spend against their Donut Coin balance inside the DonutBank sandbox.

Documentation and guides are on the way.

We are preparing deeper walkthroughs for the DonutBank sandbox.

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