# API call between two aps

**URL:** <https://forum.elixirforum.com/t/api-call-between-two-aps/63038>\
**Category:** Questions\
**Tags:** api, clustering\
**Created:** [April 21, 2024, 12:23pm UTC](https://forum.elixirforum.com/t/api-call-between-two-aps/63038 "2024-04-21T12:23:27Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![Nicolas](https://forum.elixirforum.com/user_avatar/forum.elixirforum.com/nicolas/32/31357_2.png) [@Nicolas](https://forum.elixirforum.com/u/Nicolas)\
**Post date:** [April 21, 2024, 5:16pm UTC](https://forum.elixirforum.com/t/api-call-between-two-aps/63038/4 "2024-04-21T17:16:36Z")

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I’m specifically tied to microservice, but interested in how to make modular application in OTP. Modular for me, means at deployment time: being able to enable/disable components (Applications, supervisor, … ?). Then several nodes could form a whole cluster allowing application components to be distributed.  
For example: one node running business bounded context (repo, Ash, …) . On another node a phoenix web app querying de businees app through cluster.  
Does it makes sense ?

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