The Chain services transition to Onyx is now complete. All institutional users may access all of their services and features directly within Onyx Mesh based on previous entitlement enablement.
This was an important step for the Onyx ecosystem, and it is now complete.
You can find more information here :
https://blog.onyx.org/chain-services-have-officially-migrated-to-onyx-e1a67c077f70