The GraphQL endpoints use the same authentication as ODP's REST APIs. The private key must be used for all GraphQL queries.
The hostname for the API is region-specific. Refer to the list below to find your region's hostname:
US: https://api.zaius.com/v3/graphql Europe: https://api.eu1.odp.optimizely.com/v3/graphql APAC: https://api.au1.odp.optimizely.com/v3/graphql
Discovering the GraphQL API
GraphQL is introspective. For more information about exploring GraphQL, see the documentation on the core concepts of the ODP GraphQL API.
Use the GraphQL API to query real-time segments for customer events within the last 28 days. If you want to use data greater than 28 days old, use the standard segments on the Customers > Segments page (see Create segments).