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Request Body

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profilePicture
string
Customer’s profile picture URL (optional)
​
identifierString
string
required
Customer’s email address or phone number for authentication
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customerName
string
required
Customer’s full name
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provider
string
Authentication provider (e.g., “google”, optional)
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lastName
string
Customer’s last name (optional)
{
  "identifierString": "customer@example.com",
  "customerName": "John Smith",
  "lastName": "Smith"
}

{
  "stytchUserId": "user-test-12345678-1234-1234-1234-123456789012",
  "created": false,
  "methodId": "email-test-12345678-1234-1234-1234-123456789012"
}
The methodId returned is required for the subsequent OTP verification step. The created field indicates whether this is a new user registration (true) or existing user login (false).