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# Publishing Flex Gateway APIs

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

Publishing an API consists of defining a client service and routing that service to a backend
location. Flex Gateway enables you to publish APIs via Anypoint Platform (Connected Mode) or
declarative configuration files (Local Mode).

To publish an API in Connected Mode, see
[Publishing Managed Gateway and Connected Mode APIs](https://docs.mulesoft.com/gateway/1.9/flex-gateway-publish-apis-conn).

To publish an API in Local Mode, see [Publishing Local Mode APIs](https://docs.mulesoft.com/gateway/1.9/flex-gateway-publish-apis-local).

## See Also

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

- [Getting Started with Self-Managed Flex Gateway](https://docs.mulesoft.com/gateway/1.9/flex-gateway-getting-started)