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Initiates a topup tx with the specified provider right from the dapp. Please refer below for supported values of params and providers

const paymentStatus = await torus.initiateTopup(provider, params);


  • provider - enum (required) : The specified payment partner. Supported options for provider are moonpay wyre coindirect
  • params - PaymentParams (optional) : The topup tx params. used to autofill the form for that specific provider
    • selectedCurrency - string (optional) : The fiat currency supported. e.g.: "USD". In case an unsupported currency is specified, it throws
    • fiatValue - Number (optional) : The fiat value. It must be between the max and min value supported by that provider
    • selectedCryptoCurrency - string (optional) : The crypto currency supported. e.g.: "ETH". In case an unsupported crypto currency is specified, it throws


  • Promise<boolean> : Returns a promise which resolves to a boolean indicating whether user has successfully completed the flow


const paymentProviders = {
  moonpay: {
    minOrderValue: 24.99,
    maxOrderValue: 2000,
    validCurrencies: ['USD', 'EUR', 'GBP'],
    validCryptoCurrencies: ['ETH', 'DAI', 'TUSD', 'USDC', 'USDT']
  wyre: {
    minOrderValue: 20,
    maxOrderValue: 250,
    validCurrencies: ['USD'],
    validCryptoCurrencies: ['ETH', 'DAI', 'USDC']
  coindirect: {
    minOrderValue: 20,
    maxOrderValue: 1000,
    validCurrencies: ['EUR'],
    validCryptoCurrencies: ['ETH']
interface PaymentParams {
  selectedCurrency?: string;
  fiatValue?: Number;
  selectedCryptoCurrency?: string;  


const paymentStatus = await torus.initiateTopup('wyre');
const paymentStatus = await torus.initiateTopup('moonpay', {
  selectedCurrency: "USD",
  fiatValue: 50,
  selectedCryptoCurrency: "ETH"
const paymentStatus = await torus.initiateTopup('coindirect', {
  selectedCurrency: "USD"
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