BLOCK:HttpRequest
url = "https://***/"
method = POST
customHeaders = ${("Host", "***"), ("***-Session-Id", "<s>"), ("Accept", "application/json"), ("X-Client-Software", "android_notes"), ("X-Client-Version", "7.3.2"), ("Accept-Encoding", "gzip, deflate"), ("User-Agent", "okhttp/4.9.0")}
TYPE:STANDARD
"{\"body\":{\"getFieldsUpdateDates\":true,\"last_update_time\":1628654746,\"limit\":{\"amount\":500,\"start\":0,\"type\":\"note\"},\"returnData\":\"structure\"},\"action\":\"notes:get\",\"features\":{\"businessOrgs\":true,\"encryptedNotes\":true,\"multiplePremiums\":true,\"noteEditor\":true,\"secureAttaches\":true}}"
"application/json"
ENDBLOCK
Could it be that BURP shows the POST as HTTP/2?