{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://api-developer.zocdoc.com/schemas/appointment",
  "title": "Appointment",
  "description": "A Zocdoc appointment booking request body (AppointmentData). Represents the patient, provider-location, visit reason, and timeslot for a new appointment.",
  "type": "object",
  "required": ["start_time", "visit_reason_id", "provider_location_id", "patient", "patient_type"],
  "properties": {
    "start_time": {
      "type": "string",
      "format": "date-time",
      "description": "Date and time of the appointment in ISO-8601 format with timezone offset. Must be a valid start_time from /v1/provider_locations/availability.",
      "example": "2022-04-27T09:00:00-04:00"
    },
    "visit_reason_id": {
      "type": "string",
      "description": "Zocdoc visit reason ID. Must be accepted by the provider.",
      "example": "pc_FRO-18leckytNKtruw5dLR"
    },
    "provider_location_id": {
      "type": "string",
      "description": "Zocdoc composite provider-location ID.",
      "example": "pr_abc123-def456_wxyz7890|lo_abc123-def456_wxyz7890"
    },
    "patient_type": {
      "type": "string",
      "enum": ["new", "existing"],
      "description": "Whether the patient is new to or existing at the provider's practice.",
      "example": "new"
    },
    "notes": {
      "type": "string",
      "maxLength": 100,
      "description": "Optional patient notes. 100 character maximum."
    },
    "patient": {
      "$ref": "#/$defs/Patient"
    }
  },
  "$defs": {
    "Patient": {
      "title": "Patient",
      "description": "Patient demographic and insurance information required to book an appointment.",
      "type": "object",
      "required": ["first_name", "last_name", "date_of_birth", "sex_at_birth", "phone_number", "email_address", "patient_address"],
      "properties": {
        "patient_id": {
          "type": "string",
          "description": "The Zocdoc ID of the patient (if returning)."
        },
        "developer_patient_id": {
          "type": "string",
          "description": "Third-party developer's own patient identifier."
        },
        "first_name": {
          "type": "string",
          "description": "Patient's first name."
        },
        "last_name": {
          "type": "string",
          "description": "Patient's last name."
        },
        "date_of_birth": {
          "type": "string",
          "format": "date",
          "description": "Patient's date of birth in YYYY-MM-DD format."
        },
        "sex_at_birth": {
          "type": "string",
          "enum": ["male", "female"],
          "description": "Patient's sex assigned at birth."
        },
        "phone_number": {
          "type": "string",
          "pattern": "^[2-9][0-9]{2}[2-9][0-9]{6}$",
          "description": "Unformatted 10-digit phone number. First and fourth digits cannot be 0 or 1.",
          "example": "9999999999"
        },
        "email_address": {
          "type": "string",
          "format": "email",
          "description": "Patient's email address.",
          "example": "test@example.com"
        },
        "patient_address": {
          "$ref": "#/$defs/PatientAddress"
        },
        "insurance": {
          "$ref": "#/$defs/PatientInsurance"
        },
        "gender": {
          "type": "array",
          "items": {
            "type": "string",
            "enum": [
              "female_at_birth",
              "male_at_birth",
              "cisgender",
              "genderfluid",
              "genderqueer",
              "intersex",
              "non_binary",
              "transgender_man",
              "transgender_woman",
              "prefer_not_to_say",
              "none_apply"
            ]
          },
          "description": "Patient's self-identified gender(s). none_apply and prefer_not_to_say must be used independently."
        }
      }
    },
    "PatientAddress": {
      "title": "Patient Address",
      "type": "object",
      "required": ["address1", "city", "state", "zip_code"],
      "properties": {
        "address1": {
          "type": "string",
          "description": "Street address line 1."
        },
        "address2": {
          "type": "string",
          "description": "Street address line 2."
        },
        "city": {
          "type": "string",
          "description": "City."
        },
        "state": {
          "type": "string",
          "minLength": 2,
          "maxLength": 2,
          "description": "Two-letter US state code.",
          "example": "NY"
        },
        "zip_code": {
          "type": "string",
          "pattern": "^[0-9]{5}$",
          "description": "5-digit ZIP code.",
          "example": "36925"
        }
      }
    },
    "PatientInsurance": {
      "title": "Patient Insurance",
      "type": "object",
      "properties": {
        "insurance_plan_id": {
          "type": "string",
          "description": "Zocdoc insurance plan ID.",
          "example": "ip_2224"
        },
        "insurance_group_number": {
          "type": "string",
          "description": "Patient's insurance group number."
        },
        "insurance_member_id": {
          "type": "string",
          "description": "Patient's insurance card member ID."
        },
        "is_self_pay": {
          "type": "boolean",
          "description": "Indicates if the patient is self-paying."
        }
      }
    }
  }
}