REST API filtering doesn't work

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1

Hello everyone,

I’m working on a custom order management system running on my own server, and I’m trying to retrieve orders via the REST API. I’m filtering the ‘fulfillmentStatus’ field for ‘NOT_FULFILLED’, but the system still returns all orders to me, so it seems that the filtering doesn’t work.

The endpoint I’m using is https://www.wixapis.com/ecom/v1/orders/query
And the query I’m POSTing is:
{ "filter": { "fulfillmentStatus": "NOT_FULFILLED" } }

I have tried all the variants of this I can think of such as wrapping it in a search:

{ "search": { "filter": { "fulfillmentStatus": "NOT_FULFILLED" } } }

And

{
"search": {
"filter": {
"fulfillmentStatus": "FULFILLED"
},
"sort": [
{
"fieldName": "number",
"order": "DESC"
}
],
"cursorPaging": {
"limit": 20
}
}
}

As well as using comparison modifiers:

{ "filter": { "fulfillmentStatus": { "$eq": "NOT_FULFILLED" } } }

And any combination of these I can think of. I’ve gone through the documentation and just can’t find anything that helps me get just the filtered orders. I’ve also tried searching and filtering other fields, but still it returns everything.

Can anyone help me?

Thank you for your time.

Best regards,
Peter Heldal

2

You might want to double-check if the filter key is case-sensitive. Sometimes the REST API requires “fulfillmentStatus”: “NOT_FULFILLED” to be wrapped properly inside “query”: { “filter”: { … } }. Also, make sure your endpoint supports filtering — a few Wix APIs ignore filters unless pagination is defined.