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USDC and PYUSD on Coinbase Prime are acquired through Create Conversion, which bypasses the order book entirely. Conversions are instant, free, 1:1, and bidirectional, allowing movement between USD and USDC or USD and PYUSD in either direction.

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Creating a Stablecoin Conversion

The following examples show how to create a conversion between USD and USDC.
  • Java
  • .NET
  • Go
  • Python
  • CLI
  • TS/JS 
TransactionsService transactionsService = PrimeServiceFactory.createTransactionsService(client);
  
CreateConversionRequest request = new CreateConversionRequest.Builder()  
    .portfolioId("PORTFOLIO_ID_HERE")  
    .walletId("WALLET_ID_HERE")  
    .amount("1")  
    .destination("DESTINATION_WALLET_UUID")  
    .idempotencyKey(UUID.randomUUID().toString())  
    .sourceSymbol("USD")  
    .destinationSymbol("USDC")  
    .build();  
  
CreateConversionResponse response = transactionsService.createConversion(request);
For more information, please visit the Prime Java SDK.

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Tracking a Stablecoin Conversion

Conversions are tracked via Get Transaction by ID. The process is identical to tracking a withdrawal. Simply look up the transaction by its ID. Typically, conversion transactions reach a terminal state within a few seconds.
  • Java
  • .NET
  • Go
  • Python
  • TS/JS
  • CLI 

TransactionsService transactionsService = PrimeServiceFactory.createTransactionsService(client);  
  
GetTransactionByTransactionIdRequest request = new GetTransactionByTransactionIdRequest.Builder()  
    .portfolioId("PORTFOLIO_ID_HERE")  
    .transactionId("TRANSACTION_ID_HERE")  
    .build();  
  
GetTransactionByTransactionIdResponse response = transactionsService.getTransactionByTransactionId(request);
For more information, please visit the Prime Java SDK.
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