Customer API

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Hi Shopify Team,



I am facing an issue with updating the phone number with /admin/api/2021-10/customers/customer_id.json on my settings page. Actually, It's updating a few of the phone numbers like +15999999999 and not updating a few which started +30. Can you please also tell me if there is any validation with the phone in Shopify customer API?

Shop url :


Thanks & Regards,



Reply 1 (1)

Shopify Expert
11196 226 2287

Yes, there is some base format validation.
Do you have an example (ideally a fake number) that doesn't work that you think should?

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