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.
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.
With yarn:
yarn add @coinbase/cbpay-jsWith npm:
npm install @coinbase/cbpay-jsThe package is distributed as both ESModules and CommonJS. To use the CommonJS output, the regenerator-runtime package will also need to be installed:
With yarn:
yarn add regenerator-runtimeWith npm:
npm install regenerator-runtimeimport { initOnRamp } from '@coinbase/cbpay-js';
const options = {
appId: 'your_app_id',
widgetParameters: {
destinationWallets: [{
address: '0xabc123',
blockchains: ['ethereum', 'avalanche-c-chain'],
}],
},
closeOnExit: true,
closeOnSuccess: true,
embeddedContentStyles: {
target: '#target-area',
},
onExit: () => {
alert('On Exit');
},
onSuccess: () => {
alert('On Success');
},
onEvent: (metadata) => {
console.log(metadata);
},
}
// Initialize the CB Pay instance
let onrampInstance;
const instance = initOnRamp(options, (error, instance) => {
onrampInstance = instance;
});
// Open the widget when the user clicks a button
onrampInstance.open();
// When button unmounts destroy the instance
onrampInstance.destroy();import type { CBPayInstanceType, InitOnRampParams } from '@coinbase/cbpay-js';
import { initOnRamp } from '@coinbase/cbpay-js';
const PayWithCoinbaseButton: React.FC = () => {
const [onrampInstance, setOnrampInstance] = useState<CBPayInstanceType | undefined>();
useEffect(() => {
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,
}, (_, instance) => {
setOnrampInstance(instance);
});
return () => {
onrampInstance?.destroy();
};
}, []);
const handleClick = () => {
onrampInstance?.open();
};
return <Button onClick={handleClick} disabled={!onrampInstance}>Buy with Coinbase</Button>;
};yarn add react-native-url-polyfill
import React, { useMemo } from 'react'
import { WebView } from 'react-native-webview'
import { generateOnRampURL } from '@coinbase/cbpay-js'
import 'react-native-url-polyfill/auto'
const CoinbaseWebView = ({ currentAmount }) => {
const coinbaseURL = useMemo(() => {
const options = {
appId: 'your_app_id',
destinationWallets: [
{
address: destinationAddress,
blockchains: ['solana', 'ethereum'],
},
],
handlingRequestedUrls: true,
presetCryptoAmount: currentAmount,
}
return generateOnRampURL(options)
}, [currentAmount, destinationAddress])
const onMessage = useCallback((event) => {
// Check for Success and Error Messages here
console.log('onMessage', event.nativeEvent.data)
try {
const { data } = JSON.parse(event.nativeEvent.data);
if (data.eventName === 'request_open_url') {
viewUrlInSecondWebview(data.url);
}
} catch (error) {
console.error(error);
}
}, [])
return (
<WebView source={{ uri: coinbaseURL }} onMessage={onMessage} />
)
}
export default CoinbaseWebViewCommit signing is required for contributing to this repo. For details, see the docs on contributing and commit-signing.
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