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Let's say I have an articles content type, and a field_tags reference field (with multiple values referencing a "tag" vocabulary)

To retrieve articles referencing, say, "tag1" or "tag2", I do this:

jsonapi/node/article?
&filter[tags][condition][path]=field_tags.id
&filter[tags][condition][operator]=IN
&filter[tags][condition][value][]=id-of-tag1
&filter[tags][condition][value][]=id-of-tag2

That gives me all articles that have either tag1 or tag2.

However, How can I get all articles that have both tag1 and tag2?

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2 Answers 2

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I have tried as follow

/jsonapi/node/article?filter[field_tags.meta.drupal_internal__target_id]=5&filter[field_tags.meta.drupal_internal__target_id]=6

enter image description here

you can see in the screen shot only 1 node filtered which has both 5 & 6 term id.

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  • Thanks for the reply! When I try this it only returns nodes that have the last value in the filter. So, in your example I think this would only return nodes which have the term id of 6 . In your test, did you have nodes that had only the term id 6? I think they will be returned with that query.
    – Hubert
    Jan 19, 2022 at 16:29
  • Yes you are right when i added node only with term id 6 that is also filtered.
    – khurrami
    Jan 20, 2022 at 7:15
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You can use condition grouping and have like below :

?filter[tag-group][group][conjunction]=AND

&filter[tagA-filter][condition][path]=field.tags.id
&filter[tagA-filter][condition][value]=id-of-tag1
&filter[tagA-filter][condition][memberOf]=tag-group

&filter[tagB-filter][condition][path]=field.tags.id
&filter[tagB-filter][condition][value]=id-of-tag2
&filter[tagB-filter][condition][memberOf]=tag-group

I have not tried that but I think you can even use a code like this:

?filter[tagA-filter][condition][path]=field.tags.id
&filter[tagA-filter][condition][value]=id-of-tag1
&filter[tagB-filter][condition][path]=field.tags.id
&filter[tagB-filter][condition][value]=id-of-tag2

just notice that in this case two different key is used for conditions

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  • Unfortunately that doesn't seem to work. When I try it doesn't return any result.
    – Hubert
    Jan 20, 2022 at 19:41

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