We use swift to develop a wallet app. Tried to use "sendTransaction" in Alchemy SDK to post the request. But got the following errors like:

  • "2022-10-09 11:13:35.488947+0800 RequestDemo[44130:1001839] Connection 1: failed to connect 3:-9816, reason -1"
  • "finished with error [-1200] Error Domain=NSURLErrorDomain Code=-1200 "An SSL error has occurred and a secure connection to the server cannot be made." UserInfo={NSErrorFailingURLStringKey=https://alchemy-sdk-core-example.com//sendTransaction, ..." ( represents the ApiKey)

Is the URL wrong? Is it the reason why the request went failed?


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