Symbol: API

[vibrog]

A symbol suitable for representing an API (REST, SOAP) or a message broker (MQTT) -- information exchange endpoint.

[vibrog]

Suggestion:

Note: This is a rip-off of the Swagger logo. Copyright/terms must be checked!

[eronlloyd]

Couldn't the existing Cog symbol represent an API? It often is symbolized with a gear. Or how about a plug and socket? I've seen that often, as well.

[vibrog]

Plug/socket is a good metaphor.
Cog usually depicts settings/configurations in many computer application (e.g. macOS/iOS, Firefox, ...).