nickfujita / cbpay-js

Coinbase Pay SDK

@coinbase/cbpay-js

The Coinbase Pay JS SDK provides a fiat onramp experience for approved partners. Wallet providers and dapps can leverage Coinbase Pay and let their users top up their self-custody wallets.

Documentation

See the Coinbase Pay documentation for configuration options. Developers interested in using Coinbase Pay will need to contact the Coinbase Pay team to get their domains/extension IDs added to the Coinbase Pay allowlist. Please contact the Coinbase Pay team by filling this form and selecting “Coinbase Pay SDK” in the product dropdown menu.

Installation

With yarn:

yarn add @coinbase/cbpay-js

With npm:

npm install @coinbase/cbpay-js

Basic example

import { initOnramp } from '@coinbase/cbpay-js';

const destinationWallets = [
  {
    address: '0xabc123',
    blockchains: ['ethereum', 'avalanche-c-chain'],
  },
];

const instance = initOnramp({
  target: '#button-container',
  appId: 'your_app_id',
  widgetParameters: {
    destinationWallets,
  },
  onExit: () => {
    alert('On Exit');
  },
  onSuccess: () => {
    alert('On Success');
  },
  onEvent: (metadata) => {
    console.log(metadata);
  },
  closeOnExit: true,
  closeOnSuccess: true,
  embeddedContentStyles: {
    top: '100px',
    width: '50%',
  },
});

// When button unmounts destroy the instance
instance.destroy();

React example

import { initOnramp } from '@coinbase/cbpay-js';

const PayWithCoinbaseButton: React.FC = () => {
  const onrampInstance = useRef();

  useEffect(() => {
    onrampInstance.current = initOnramp({
      appId: 'your_app_id',
      widgetParameters: {
        destinationWallets: [
          {
            address: '0xabc123',
            blockchains: ['ethereum', 'avalanche-c-chain'],
          },
        ],
      },
      onSuccess: () => {
        console.log('success');
      },
      onExit: () => {
        console.log('exit');
      },
      onEvent: (event) => {
        console.log('event', event);
      },
      experienceLoggedIn: 'popup',
      experienceLoggedOut: 'popup',
      closeOnExit: true,
      closeOnSuccess: true,
    });

    return () => {
      onrampInstance.current?.destroy();
    };
  }, []);

  const handleClick = () => {
    onrampInstance.current?.open();
  };

  return <Button onClick={handleClick}>Buy with Coinbase</Button>;
};

Contributing

Commit signing is required for contributing to this repo. For details, see the docs on contributing and commit-signing.