Check for duplicate accounts | Vlens

Before starting registration, verify that the phone number or email is not already associated with an account in this tenant. Call this first to surface duplicate-account errors before the user completes the OTP flow.

Authentication

ApiKeystring

Static API key issued to your tenant. Obtain from the Vlens dashboard.

Request

This endpoint expects an object.

phoneNumberstring or nullOptional

emailstring or nullOptionalformat: "email"

Response

Check result.

dataobject

error_codeinteger or null

error_messagestring or null

$	curl -X POST https://api.vlenseg.com/api/DigitalIdentity/CheckExistenceOfEmailOrPhone \
>	-H "ApiKey: <apiKey>" \
>	-H "Content-Type: application/json" \
>	-d '{
>	"phoneNumber": "+201234567890",
>	"email": "user@example.com"
>	}'

1	{
2	"data": {
3	"exists": true
4	},
5	"error_code": 1,
6	"error_message": "string"
7	}

$	curl -X POST https://api.vlenseg.com/api/DigitalIdentity/CheckExistenceOfEmailOrPhone \
>	-H "ApiKey: <apiKey>" \
>	-H "Content-Type: application/json" \
>	-d '{
>	"phoneNumber": "+201234567890",
>	"email": "user@example.com"
>	}'

1	{
2	"data": {
3	"exists": true
4	},
5	"error_code": 1,
6	"error_message": "string"
7	}