Is the ATLAS Demo WebAPI Not Working?

Developers
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3

atlas-demo.ohdsi.org was recently moved from http to https (with auto redirect from http to https) as requested in this post:
Accessing WebAPI URL over SSL - #7 by cukarthik

I would recommend using the atlas-demo.ohdsi.org hostname to access the atlas-demo.ohdsi.org WebAPI instance, instead of api.ohdsi.org which will eventually move to the secure atlas.ohdsi.org WebAPI instance.

I added a call to content_type_json() to the R code and changed http to https and let WebAPI use the default vocabulary. If you want to specify a vocabulary you could include the string ‘SYNPUF5PCT’ (without the quotes) in the url.

You can use the below code:

    library("jsonlite")
    library("httr")

    test_url <- sprintf("https://atlas-demo.ohdsi.org/WebAPI/vocabulary/relatedconcepts/")
    test_json <- jsonlite::toJSON(
      list(
        CONCEPT_ID = list(436665),
        CONCEPT_CLASS_ID = list("Clinical Finding"),
        VOCABULARY_ID = list("SNOMED")
      ),
      pretty = T, auto_unbox = T
    )
    resp <- httr::POST(test_url, body = test_json, content_type_json())
    jsonlite::fromJSON(content(resp, "text"), simplifyVector = FALSE)
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