Key definitions

A quick guide to the terms you will see throughout the Optum AI Studio AI Gateway documentation.

TermWhat it means
OrganizationYour company or business that has signed up to use Optum AI Studio services.
WorkspaceA separate space inside your organization for one team or application, so each can manage its own work independently.
Access CredentialsA client_id and client_secret (OAuth credentials) that prove who you are. You use them to get a token, which lets you call AI Gateway models.
/chat/completionsOpenAI's Chat Completions API. You send a conversation and get the model's reply.
/responsesOpenAI's Responses API. A newer way to send input to a model and get its response.
AI-Gateway-Token-URLThe web address you send your credentials to in order to get a token.
Base URLThe main web address you use to call models. It is the same for every model in your organization.
TokensSmall pieces of text, roughly a short word or part of a word. Models split your text into tokens before processing it.