Best way to Add tags - not replace - using API?

[Martijn_Spronk]

I'm trying to programmatically add tags to products.

The only option I see would be using the /products/<#id>.json POST , but it seems this would replace the tags? Is that assumption correct?
Is there a better way to add tags to the existing list of tags?

[Ashish_Lucent]

Yes, It will replace tags, and no direct option to append tags,

But we generally use this way.

• Read current tag of product using API
• Append new tag
• Replace tags through API

[Ravipatel]

Hello Ashish,

i agree with you but i know shopify provide less facilities can you provide any guidline so i can append some of tags using api

ex:- my product tag : category_saree,color_black,size_xxl etc...

and i want to append product tag : Catelog_latest-product,hot_products

but 1 thing without read current tag it's possibal?

[tommydev]

Dear Ravipatel,

with the REST API, I think it is not possible to keep the old tags while performing a PUT request. However I noticed, that it is possible by using the GraphQL API. There is a mutation to add tags: https://shopify.dev/api/admin-graphql/2021-10/mutations/tagsAdd and it kept the previous tags, when I execute it.

For example:

mutation tagsAdd {
  tagsAdd(id: "gid://shopify/Order/<your_order_id>", tags: "Test") {
    node {
      id
    }
    userErrors {
      field
      message
    }
  }
}

Greetings, Tom

[banmalakiran]

Hi @tommydev, 
I'm using the GraphQL API that you've  mentioned. But I'm facing the issue while adding tags in languages other than english i.e. japanese & russian. Tags in other languages are not being saved in the order. Have you faced similar issues?