I have issue with moving to new advance search API. Can anyone help? what is wrong with the jql??

[Renata Liwanowska]

query:
{"expand":["names"],"jql":"project=ABC order by updated desc ","maxResults":200,"fieldsByKeys":false,"fields":["*all"]}

it does work with call to /rest/api/3/search 
but not with /rest/api/3/search/jql

error:
Invoke-RestMethod : {"errorMessages":["Invalid request payload. Refer to the REST API documentation and try again."]}

[sai chinamuthevi · Accepted solution]

There is an error in your payload. 

/rest/api/3/search  is correct not /rest/api/3/search /jql

Jql you need to enter in Parameters, not in payload

[Sunny Ape]

Incorrect.

/rest/api/3/search is the wrong path. The correct path is /rest/api/3/search/jql

And, if the OP was using the POST method, the parameters would be declared in the request body.

[Renata Liwanowska]

I use POST 
and I do pass all parameters in Body.

note: since /rest/api/3/search is about to be decommissioned I am looking how to replace it with the new API call.

Existing calls with rest/api/3/search are still working... but not sure for how long

[Sunny Ape · Accepted solution]

You haven't said if you are using the GET or POST version of the endpoint, but if you refer to the documentation, you will find that the mistake is not in the JQL, but in the request structure.

If you are using the GET method, then you have made a number of mistakes:

1. The expand parameter is declared as a string of comma delimited values, not an array of strings.
2. The fields parameter is declared as a string of comma delimited values, not an array of strings (An array of strings is only for the POST method).
3. The maxResults parameter cannot return more than 100 results, unless you are asking the endpoint for only the field key or ID to be returned.

Lastly, the fieldByKeys parameter is false by default, so setting it to false serves no purpose.

I recommend that when you encounter such problems with your API requests, that you use an API test tool and break the request down into smaller parts, and test each part in isolation to see where you are making your mistake, rather than trying one big request that might have many mistakes.

Have fun

[Renata Liwanowska]

Thanks @Sunny Ape 
It was the expand parameter. :)

[Renata Liwanowska]

old API accepted Array of string.
new API, just list in a string.