<dependency>
  <groupId>com.plaid</groupId>
  <artifactId>plaid-java</artifactId>
  <version>7.1.0</version>
</dependency>

// Use builder to create a client
PlaidClient plaidClient = PlaidClient.newBuilder()
  .clientIdAndSecret("your_client_id", "your_secret")
  .sandboxBaseUrl() // or equivalent, depending on which environment you're calling into
  .build();


// Synchronously exchange a Link public_token for an API access_token
// Required request parameters are always Request object constructor arguments
Response<ItemPublicTokenExchangeResponse> response = plaidClient.service()
    .itemPublicTokenExchange(new ItemPublicTokenExchangeRequest("the_link_public_token")).execute();

if (response.isSuccessful()) {
  accessToken = response.body().getAccessToken();
}


// Asynchronously do the same thing. Useful for potentially long-lived calls.
plaidClient.service()
    .itemPublicTokenExchange(new ItemPublicTokenExchangeRequest(publicToken))
    .enqueue(new Callback<ItemPublicTokenExchangeResponse>() {
        @Override
        public void onResponse(Call<ItemPublicTokenExchangeResponse> call, Response<ItemPublicTokenExchangeResponse> response) {
          if (response.isSuccessful()) {
            accessToken = response.body.getAccessToken();
          }
        }

        @Override
        public void onFailure(Call<ItemPublicTokenExchangeResponse> call, Throwable t) {
          // handle the failure as needed
        }
    });


// Decoding an unsuccessful response
try {
  ErrorResponse errorResponse = plaidClient.parseError(response);
} catch (Exception e) {
  // deal with it. you didn't even receive a well-formed JSON error response.
}