REST API: Get List processInstanceBusinessKey (GET vs POST)

Camunda 7 Topics Discussion & Questions
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1

Hi,
I have a simple question/problem on Get List processInstanceBusinessKey REST API. The POST nothing results returned, otherwise GET will return the non-null result.

Anyone can explain this what’s actually the difference?

2

Hi,

Do ask about difference between
https://docs.camunda.org/rest/camunda-bpm-platform/7.20/#tag/Process-Instance/operation/getProcessInstances
and
https://docs.camunda.org/rest/camunda-bpm-platform/7.20/#tag/Process-Instance/operation/queryProcessInstances
Or you ask about something else?

In general, POST REST API endpoints are used as more powerful option to filter out and request list of entities.

Best,
Yana

3

Hi @Yana, apologize for long replied.
Your last paragraph is enough to explain me.

Thank you,