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title: Publishing Managed Gateway and Connected Mode APIs
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# Publishing Managed Gateway and Connected Mode APIs

> For the full documentation index, see: https://docs.mulesoft.com/llms.txt

For Managed Flex Gateway or Flex Gateway running in Connected Mode, use **API Manager** to publish
both API instances with a single upstream service, API instances with multiple upstream services,
MCP server instances, and A2A server instances.

For more information, see:

- [Adding an Omni Gateway API Instance](https://docs.mulesoft.com/api-manager/latest/create-instance-task-flex)

- [Adding an Omni Gateway Agent or Tool Instance](https://docs.mulesoft.com/api-manager/latest/create-instance-task-agent-tool)

Additionally, you can publish a simple API with
[Getting Started with Managed Flex Gateway on CloudHub 2.0](https://docs.mulesoft.com/gateway/1.9/flex-gateway-managed-getting-started) or
[Getting Started with Self-Managed Flex Gateway in Connected Mode](https://docs.mulesoft.com/gateway/1.9/flex-gateway-getting-started).

## See Also

- [Flex Gateway Overview](https://docs.mulesoft.com/gateway/1.9/)