LessonQuiz8=FIX.4.4|9=40|35=0|…|10=091| — FIX? HTTP Yes Only JSON No35=0|49=A|56=B only — FIX? Stripe Yes No — missing 8= and 10= LogonHTTP/1.1 200 OK — FIX? Yes ExecutionReport No Heartbeat35=D|11=X without 8= or 10= — FIX? Yes, always If tag 55 present Only on Sunday No — incomplete frameBest log format to study FIX: Excel only SOH or pipe-delimited capture CSS Pretty JSON onlySubmit
LessonQuiz8=FIX.4.4|9=40|35=0|…|10=091| — FIX? HTTP Yes Only JSON No35=0|49=A|56=B only — FIX? Stripe Yes No — missing 8= and 10= LogonHTTP/1.1 200 OK — FIX? Yes ExecutionReport No Heartbeat35=D|11=X without 8= or 10= — FIX? Yes, always If tag 55 present Only on Sunday No — incomplete frameBest log format to study FIX: Excel only SOH or pipe-delimited capture CSS Pretty JSON onlySubmit