Is there any expiration time for authentication tokens on API? 24 June 2025 03:04 Updated Yes, authentication tokens expire after 6 hours. You will need to re-authenticate to obtain a new token once it expires. Related articles Why does the API only receive 50 diamonds per response? Your video url isn’t working well with my website. Is there another way to do this? What are the different GraphQL API Nivoda offers? How do I get Nivoda diamonds and gemstones on my website? How do I access the production environment for API?