问题
Works fine when doing a GET request or even a POST request with raw JSON. But sending a file returns this error:
"The request signature we calculated does not match the signature you provided. Check your AWS Secret Access Key and signing method. Consult the service documentation for details. The Canonical String for this request should have been 'POST......."
Credentials are definitely correct.
回答1:
This is a known issue posted on 3rd July: https://github.com/postmanlabs/postman-app-support/issues/3232
Will wait for the update
来源：https://stackoverflow.com/questions/44954562/aws-signature-error-using-postman-to-access-the-aws-api-gateway-when-posting-a-b