Each API request has an associated request identifier. You can find this value in the response headers, under X-Request-ID: 
curl -i https://api.syntage.com
HTTP/1.1 200 OK
Date: Sun, 29 Nov 2020 19:21:21 GMT
X-Request-ID: f242e9e0-c1ba-4bbe-ba64-4966c702b5d2
If you need to contact us about a specific request, providing the request identifier will ensure the fastest possible resolution.