Usually yes for project work. A proposed default is 50% before commencement, while annual website/hosting and committed third-party costs may require upfront payment. The quotation controls.
What to do next
If this answer does not fully match your situation, do not guess on a production, security, payment or data-related change. Contact DAIM HUB with the affected service, what happened, when it started, business impact and any safe screenshots or error messages.
Help Centre content is general guidance. Your final signed project Scope of Work and agreed terms and conditions take priority where they differ from a Help Centre answer.
