read.email_registered

Whether an email already has a customer account in the store (the checkout identity step). Public; rate-limited.

• Surface: GET /v1/read/email_registered · CLI forge read email_registered · MCP tool read.email_registered
• Auth: public (no actor; store resolves the tenant)

Params (JSON Schema)

{
  "properties": {
    "email": {
      "format": "email",
      "pattern": "^(?!\\.)(?!.*\\.\\.)([A-Za-z0-9_'+\\-\\.]*)[A-Za-z0-9_+-]@([A-Za-z0-9][A-Za-z0-9\\-]*\\.)+[A-Za-z]{2,}$",
      "type": "string"
    },
    "store": {
      "minLength": 1,
      "type": "string"
    }
  },
  "required": [
    "store",
    "email"
  ],
  "type": "object"
}

Result (200)

Open (unknown) — this capability does not declare an output schema.

Errors

validation_failed (400) · not_found (404)