Check Loyalty Member

Check whether a phone number is already registered as a loyalty member.

When to Use

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Use this endpoint when:

• Determining whether to register a new member or fetch an existing one
• Verifying membership before applying member-only discounts

How to Use

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Endpoint

POST/v3/loyalty/member/check

POST countryCode and phoneNumber. The response item.exist is true if a member exists.

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Request Parameters

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POST countryCode and phoneNumber in the body.

Response Parameters

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itemOBJECT

Member existence check result

existBOOLEAN

Whether the member exists

Example: true

codeSTRING

Successfully call this endpoint. If fail, will return error code object (Refer Appendix 1: Error Codes)

Example: "SUCCESS"