Yes, we have webhooks that you can configure to get notifications about diamonds that are made not available. We do not have webhooks for gemstones.
A webhook notification would look similar to the one below which notifies you that a diamond is sold out.
If you would like to receive real time notifications for price changes you will need to implement the API.
If you would like to enable this feature please contact tech@nivoda.com with your credentials required and the webhook endpoints.
{"CERTIFICATE_ID": "E7A2F40C-D221-55FC-B910-BDF4FB7A0C82",
"CERTNUMBER": "LG628471868",
"D_ID": "DDAC137D-F17E-4661-8117-CA1A205A8325",
"SUPPLIERSTOCKID": "100747497022",
"CERTIFICATE_TYPE": "LABGROWNCERTIFICATE"}