Infusionsoft (Keap) Appointment API

Access Appointment objects stored in Keap Max Classic. Appointment objects stored in Keap Pro or Keap Max are not available via these methods.

Operations 16

GET /v1/appointments List Appointments #
POST /v1/appointments Create an Appointment #
GET /v1/appointments/model Retrieve Appointment Model #
POST /v1/appointments/model/customFields Create a Custom Field #
GET /v1/appointments/{appointmentId} Retrieve an Appointment #
PUT /v1/appointments/{appointmentId} Replace an Appointment #
DELETE /v1/appointments/{appointmentId} Delete an Appointment #
PATCH /v1/appointments/{appointmentId} Update an Appointment #
GET /rest/v1/appointments/{appointmentId} Retrieve an Appointment #
PUT /rest/v1/appointments/{appointmentId} Replace an Appointment #
DELETE /rest/v1/appointments/{appointmentId} Delete an Appointment #
PATCH /rest/v1/appointments/{appointmentId} Update an Appointment #
POST /rest/v1/appointments/model/customFields Create a Custom Field #
GET /rest/v1/appointments List Appointments #
POST /rest/v1/appointments Create an Appointment #
GET /rest/v1/appointments/model Retrieve Appointment Model #

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OpenAPI Specification

infusionsoft-appointment-api-openapi.yml Raw ↑
openapi: 3.2.0
info:
  title: Infusionsoft Appointment API
  license:
    name: Apache 2.0
    url: https://www.apache.org/licenses/LICENSE-2.0
  version: '1.0'
  description: 'Operations tagged Appointment across 3 of this provider''s published API definitions: infusionsoft-rest-v1-2025-11-05-openapi-original.json, infusionsoft-rest-v1-openapi-original.json, infusionsoft-rest-v1-openapi.json. Each path carries the servers of the definition it was published in.'
servers:
- url: https://api.infusionsoft.com/crm/rest
- url: https://api.infusionsoft.com/crm
tags:
- name: Appointment
  description: Access Appointment objects stored in Keap Max Classic.  Appointment objects stored in Keap Pro or Keap Max are not available via these methods.
paths:
  /v1/appointments:
    get:
      tags:
      - Appointment
      summary: List Appointments
      description: Retrieves all appointments for the authenticated user
      operationId: listAppointmentsUsingGET
      parameters:
      - name: contact_id
        in: query
        description: Optionally find appointments with a contact
        schema:
          type: integer
          format: int64
        example: 0
      - name: limit
        in: query
        description: Sets a total of items to return
        schema:
          type: integer
          format: int32
        example: 0
      - name: offset
        in: query
        description: Sets a beginning range of items to return
        schema:
          type: integer
          format: int32
        example: 0
      - name: since
        in: query
        description: Date to start searching from ex. `2017-01-01T22:17:59.039Z`
        schema:
          type: string
      - name: until
        in: query
        description: Date to search to ex. `2017-01-01T22:17:59.039Z`
        schema:
          type: string
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                title: AppointmentList
                type: object
                properties:
                  appointments:
                    type: array
                    items:
                      title: Appointment
                      required:
                      - end_date
                      - start_date
                      - title
                      type: object
                      properties:
                        contact_id:
                          type: integer
                          description: Required for pop-up reminders
                          format: int64
                        description:
                          type: string
                        end_date:
                          type: string
                          format: date-time
                          example: '2019-08-24T15:15:22.000Z'
                          description: Required. ISO 8601 datetime format with milliseconds (e.g., 2019-08-24T15:15:22.000Z)
                        location:
                          type: string
                        remind_time:
                          type: integer
                          description: Value in minutes before start_date to show pop-up reminder.  Acceptable values are [5,10,15,30,60,120,240,480,1440,2880]
                          format: int32
                        start_date:
                          type: string
                          format: date-time
                          example: '2019-08-24T14:15:22.000Z'
                          description: Required. ISO 8601 datetime format with milliseconds (e.g., 2019-08-24T14:15:22.000Z)
                        title:
                          type: string
                        user:
                          type: integer
                          description: Required only for pop-up reminders
                          format: int64
                  count:
                    type: integer
                    format: int32
                  next:
                    type: string
                  previous:
                    type: string
                  sync_token:
                    type: string
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                title: Error
                type: object
                properties:
                  cause:
                    title: Throwable
                    type: object
                    properties:
                      cause:
                        $ref: '#/components/schemas/Throwable'
                      localizedMessage:
                        type: string
                      message:
                        type: string
                      stackTrace:
                        type: array
                        items:
                          title: StackTraceElement
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        '403':
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          content:
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          description: Internal Server Error
          content:
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              schema:
                title: Error
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                        stackTrace:
                          type: array
                          items:
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                            type: object
                            properties:
                              classLoaderName:
                                type: string
                              className:
                                type: string
                              fileName:
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                                type: boolean
                        suppressed:
                          type: array
                          items:
                            $ref: '#/components/schemas/Throwable'
      deprecated: false
    post:
      tags:
      - Appointment
      summary: Create an Appointment
      description: Creates a new appointment as the authenticated user
      operationId: createAppointmentUsingPOST
      requestBody:
        description: appointment
        content:
          application/json:
            schema:
              title: Appointment
              required:
              - end_date
              - start_date
              - title
              type: object
              properties:
                contact_id:
                  type: integer
                  description: Required for pop-up reminders
                  format: int64
                description:
                  type: string
                end_date:
                  type: string
                  format: date-time
                  example: '2019-08-24T15:15:22.000Z'
                  description: Required. ISO 8601 datetime format with milliseconds (e.g., 2019-08-24T15:15:22.000Z)
                location:
                  type: string
                remind_time:
                  type: integer
                  description: Value in minutes before start_date to show pop-up reminder.  Acceptable values are [5,10,15,30,60,120,240,480,1440,2880]
                  format: int32
                start_date:
                  type: string
                  format: date-time
                  example: '2019-08-24T14:15:22.000Z'
                  description: Required. ISO 8601 datetime format with milliseconds (e.g., 2019-08-24T14:15:22.000Z)
                title:
                  type: string
                user:
                  type: integer
                  description: Required only for pop-up reminders
                  format: int64
        required: true
      responses:
        '201':
          description: Created
          content:
            application/json:
              schema:
                title: Appointment
                required:
                - end_date
                - start_date
                - title
                type: object
                properties:
                  contact_id:
                    type: integer
                    description: Required for pop-up reminders
                    format: int64
                  description:
                    type: string
                  end_date:
                    type: string
                    format: date-time
                    example: '2019-08-24T15:15:22.000Z'
                    description: Required. ISO 8601 datetime format with milliseconds (e.g., 2019-08-24T15:15:22.000Z)
                  location:
                    type: string
                  remind_time:
                    type: integer
                    description: Value in minutes before start_date to show pop-up reminder.  Acceptable values are [5,10,15,30,60,120,240,480,1440,2880]
                    format: int32
                  start_date:
                    type: string
                    format: date-time
                    example: '2019-08-24T14:15:22.000Z'
                    description: Required. ISO 8601 datetime format with milliseconds (e.g., 2019-08-24T14:15:22.000Z)
                  title:
                    type: string
                  user:
                    type: integer
                    description: Required only for pop-up reminders
                    format: int64
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                title: Error
                type: object
                properties:
                  cause:
                    title: Throwable
                    type: object
                    properties:
                      cause:
                        $ref: '#/components/schemas/Throwable'
                      localizedMessage:
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                      message:
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# Full source: https://raw.githubusercontent.com/api-evangelist/infusionsoft/refs/heads/main/openapi/infusionsoft-appointment-api-openapi.yml