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how to create an api that can adapt to dynamic fields

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Hi all
I am new to APIs and am working on create an API that can extensible and flexible . . How would I abstract that information. Any suggestion or guidance ,would greatly be appreciate . I have been reading a few books and am confused
The use case is an object can have state specific attributes and state specific values .
I will use Tesla in this hypothetical  example
It can create {model3, p85,p100,plad,plad+}models , in the state of AZ , they only build available is "plad" model  . In  the NY they only build is "plad+" model. But in the state of NY they also add an hitch option

I have provide 3 options  below . Please let me know which one do you prefer or is there another option ?

For example if I make an API call

But the above does not seem right to me

[option 2]
should I do it like this



[option 3]

like the solution for the last option above ,To deign based on  the above solution
Not sure on the c#/java code on how to construct . If they had another state specific behavior similar to build

Would the approach of a class interface with  50 sub states work to have state specific attributes ? Does this approach cause issues  , or is this a good way to go.

Finally ,  but am not sure how do I create dynamic information for swagger or how do I create dynamic documentation  for client to consume that they will know the dynamic values
I was looking to create documentation on my API , and thought of using swagger . But swagger does not enable dynamic represent ion . How do I communicate this on my API any other suggestions on documentation .
[option 1] is easy to document , [option 3] is hard to document

Thanks for taking time to read and appreciate your help


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If the client knows which state to query, then option 2 feels best; it's what a RESTful API would look like.

If you need to make the amount of data returned more dynamic -not all data attributes need to be returned at all times- then check out GraphQL. It's for building APIs that can query and return data according to the client's stated needs at a particular moment.
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