> For the complete documentation index, see [llms.txt](https://devguide.koppeltaal.nl/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://devguide.koppeltaal.nl/technische-howto/resources-managen/crud-operaties.md).

# CRUD Operations

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A complete overview of the RESTful API can be found [here](https://www.hl7.org/fhir/http.html).
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Primary overview of useful RESTful calls and advice on which calls to use.

In order to quickly test against the FHIR service, the [OpenAPI specifications](https://fhir-server.koppeltaal.headease.nl/fhir/api-docs) can be used. For example to create all requests with parameters in Postman.