Hologram

Hologram Devices & SIMs API

List, retrieve, and update devices and their cellular links; activate (claim) single or bulk SIMs; pause/unpause data; change plans; and look up device names and locations.

GitHub OpenAPI

Documentation

📖
Documentation
https://docs.hologram.io/guides/rest-api/beginners-guide-to-the-hologram-rest-api
📖
APIReference
https://hologram.docs.apiary.io/

Specifications

⚙
OpenAPI
https://raw.githubusercontent.com/api-evangelist/hologram/refs/heads/main/openapi/hologram-openapi.yml

Other Resources

🔗
PostmanCollection
https://raw.githubusercontent.com/api-evangelist/hologram/refs/heads/main/collections/hologram.postman_collection.json
🔗
OpenCollection
https://raw.githubusercontent.com/api-evangelist/hologram/refs/heads/main/collections/hologram.opencollection.json
🔗
APIsJSON
https://raw.githubusercontent.com/api-evangelist/hologram/refs/heads/main/apis.yml

OpenAPI Specification

hologram-openapi.yml Raw ↑ 
openapi: 3.0.1
info:
  title: Hologram REST API
  description: >-
    REST API for the Hologram global cellular IoT connectivity platform.
    Manage devices and cellular links (SIMs), activate and pause SIMs, change
    data plans, query data and SMS usage, send SMS and cloud messages to
    devices, manage device tags, and read available data plans. All requests
    are authenticated with HTTP Basic auth using the username `apikey` and the
    API key as the password.
  termsOfService: https://www.hologram.io/terms/
  contact:
    name: Hologram Support
    url: https://support.hologram.io/
  version: '1.0'
servers:
  - url: https://dashboard.hologram.io/api/1
security:
  - apikeyAuth: []
tags:
  - name: Devices
  - name: Cellular Links
  - name: Tags
  - name: Usage
  - name: SMS
  - name: Messaging
  - name: Plans
  - name: Webhooks
paths:
  /devices:
    get:
      operationId: listDevices
      tags:
        - Devices
      summary: List devices
      description: Retrieve a list of devices, optionally filtered by organization, tag, SIM, name, type, or IMEI.
      parameters:
        - $ref: '#/components/parameters/orgid'
        - name: tagid
          in: query
          schema:
            type: integer
        - name: tagname
          in: query
          schema:
            type: string
        - name: sim
          in: query
          schema:
            type: string
        - $ref: '#/components/parameters/limit'
        - $ref: '#/components/parameters/startafter'
      responses:
        '200':
          description: A list of devices.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/DeviceListResponse'
  /devices/{deviceid}:
    get:
      operationId: getDevice
      tags:
        - Devices
      summary: Retrieve a device
      parameters:
        - $ref: '#/components/parameters/deviceid'
      responses:
        '200':
          description: The requested device.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/DeviceResponse'
    put:
      operationId: updateDevice
      tags:
        - Devices
      summary: Update a device
      description: Update the device name, owning organization, or tunnelable flag.
      parameters:
        - $ref: '#/components/parameters/deviceid'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                name:
                  type: string
                orgid:
                  type: integer
                tunnelable:
                  type: boolean
      responses:
        '200':
          description: The updated device.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/DeviceResponse'
  /devices/{deviceid}/state:
    post:
      operationId: setDeviceState
      tags:
        - Devices
      summary: Pause or unpause device data
      parameters:
        - $ref: '#/components/parameters/deviceid'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
                - state
              properties:
                state:
                  type: string
                  enum:
                    - pause
                    - live
      responses:
        '200':
          description: The device state was updated.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/SuccessResponse'
  /devices/tags:
    get:
      operationId: listDeviceTags
      tags:
        - Tags
      summary: List device tags
      parameters:
        - $ref: '#/components/parameters/orgid'
        - $ref: '#/components/parameters/limit'
      responses:
        '200':
          description: A list of device tags.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/TagListResponse'
    post:
      operationId: createDeviceTag
      tags:
        - Tags
      summary: Create a device tag
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
                - name
              properties:
                name:
                  type: string
                deviceids:
                  type: array
                  items:
                    type: integer
      responses:
        '200':
          description: The created tag.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/TagResponse'
  /devices/tags/{tagid}:
    delete:
      operationId: deleteDeviceTag
      tags:
        - Tags
      summary: Delete a device tag
      parameters:
        - $ref: '#/components/parameters/tagid'
      responses:
        '200':
          description: The tag was deleted.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/SuccessResponse'
  /devices/tags/{tagid}/link:
    post:
      operationId: linkDeviceTag
      tags:
        - Tags
      summary: Link a tag to devices
      parameters:
        - $ref: '#/components/parameters/tagid'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
                - deviceids
              properties:
                deviceids:
                  type: array
                  items:
                    type: integer
      responses:
        '200':
          description: The tag was linked to the devices.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/SuccessResponse'
  /devices/tags/{tagid}/unlink:
    post:
      operationId: unlinkDeviceTag
      tags:
        - Tags
      summary: Unlink a tag from devices
      parameters:
        - $ref: '#/components/parameters/tagid'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
                - deviceids
              properties:
                deviceids:
                  type: array
                  items:
                    type: integer
      responses:
        '200':
          description: The tag was unlinked from the devices.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/SuccessResponse'
  /links/cellular:
    get:
      operationId: listCellularLinks
      tags:
        - Cellular Links
      summary: List cellular links (SIMs)
      description: Retrieve cellular links, optionally filtered by organization, SIM, MSISDN, IMSI, or device.
      parameters:
        - $ref: '#/components/parameters/orgid'
        - name: sim
          in: query
          schema:
            type: string
        - name: deviceid
          in: query
          schema:
            type: integer
        - $ref: '#/components/parameters/limit'
        - $ref: '#/components/parameters/startafter'
      responses:
        '200':
          description: A list of cellular links.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/CellularLinkListResponse'
  /links/cellular/{linkid}:
    get:
      operationId: getCellularLink
      tags:
        - Cellular Links
      summary: Retrieve a cellular link
      parameters:
        - $ref: '#/components/parameters/linkid'
      responses:
        '200':
          description: The requested cellular link.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/CellularLinkResponse'
  /links/cellular/sim_{iccid}/claim:
    post:
      operationId: claimSim
      tags:
        - Cellular Links
      summary: Activate (claim) a SIM
      description: Activate a single SIM by ICCID onto a data plan and zone.
      parameters:
        - name: iccid
          in: path
          required: true
          schema:
            type: string
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
                - plan
              properties:
                plan:
                  type: integer
                zone:
                  type: string
                orgid:
                  type: integer
                tagid:
                  type: integer
                overage_limit:
                  type: integer
      responses:
        '200':
          description: The SIM was activated.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/CellularLinkResponse'
  /links/cellular/bulkclaim:
    post:
      operationId: bulkClaimSims
      tags:
        - Cellular Links
      summary: Activate (claim) multiple SIMs in bulk
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
                - plan
              properties:
                sims:
                  type: array
                  items:
                    type: string
                simrange:
                  type: string
                plan:
                  type: integer
                zone:
                  type: string
                orgid:
                  type: integer
                tagid:
                  type: integer
      responses:
        '200':
          description: The SIMs were activated.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/SuccessResponse'
  /links/cellular/{linkid}/state:
    post:
      operationId: setCellularLinkState
      tags:
        - Cellular Links
      summary: Pause or unpause a SIM
      parameters:
        - $ref: '#/components/parameters/linkid'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
                - state
              properties:
                state:
                  type: string
                  enum:
                    - pause
                    - live
      responses:
        '200':
          description: The SIM state was updated.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/SuccessResponse'
  /links/cellular/{linkid}/changeplan:
    post:
      operationId: changeCellularLinkPlan
      tags:
        - Cellular Links
      summary: Change a SIM data plan
      parameters:
        - $ref: '#/components/parameters/linkid'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
                - planid
              properties:
                planid:
                  type: integer
                zone:
                  type: string
                overage_limit:
                  type: integer
      responses:
        '200':
          description: The SIM plan was changed.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/SuccessResponse'
  /usage/data:
    get:
      operationId: listDataUsage
      tags:
        - Usage
      summary: List data usage sessions
      parameters:
        - $ref: '#/components/parameters/orgid'
        - name: linkid
          in: query
          schema:
            type: integer
        - name: tagid
          in: query
          schema:
            type: integer
        - name: timestart
          in: query
          schema:
            type: integer
        - name: timeend
          in: query
          schema:
            type: integer
        - $ref: '#/components/parameters/limit'
      responses:
        '200':
          description: A list of data usage sessions.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/UsageListResponse'
  /usage/data/daily:
    get:
      operationId: listDailyDataUsage
      tags:
        - Usage
      summary: Daily data usage summaries
      parameters:
        - $ref: '#/components/parameters/orgid'
        - name: linkid
          in: query
          schema:
            type: integer
        - name: timestart
          in: query
          schema:
            type: integer
        - name: timeend
          in: query
          schema:
            type: integer
        - $ref: '#/components/parameters/limit'
      responses:
        '200':
          description: Daily data usage summaries.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/UsageListResponse'
  /usage/sms:
    get:
      operationId: listSmsUsage
      tags:
        - Usage
      summary: List device-originated SMS usage
      parameters:
        - $ref: '#/components/parameters/orgid'
        - name: linkid
          in: query
          schema:
            type: integer
        - $ref: '#/components/parameters/limit'
      responses:
        '200':
          description: A list of SMS usage records.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/UsageListResponse'
  /sms/incoming:
    post:
      operationId: sendSmsToDevice
      tags:
        - SMS
      summary: Send an SMS to one or more devices
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
                - body
              properties:
                deviceid:
                  type: integer
                deviceids:
                  type: array
                  items:
                    type: integer
                fromnumber:
                  type: string
                body:
                  type: string
                base64body:
                  type: string
      responses:
        '200':
          description: The SMS was queued for delivery.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/SuccessResponse'
  /devices/messages:
    post:
      operationId: sendCloudMessage
      tags:
        - Messaging
      summary: Send a cloud message to devices
      description: Send a TCP or UDP message to one or more devices over the Hologram cloud.
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
                - deviceids
                - protocol
                - port
              properties:
                deviceids:
                  type: array
                  items:
                    type: integer
                protocol:
                  type: string
                  enum:
                    - TCP
                    - UDP
                port:
                  type: integer
                data:
                  type: string
                base64data:
                  type: string
      responses:
        '200':
          description: The message was sent.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/SuccessResponse'
  /devices/messages/{deviceid}/{webhookguid}:
    post:
      operationId: sendWebhookMessage
      tags:
        - Webhooks
      summary: Send a message to a device via a webhook GUID
      description: >-
        Pre-authenticated inbound endpoint that delivers a message to a device
        addressed by its id and a per-device webhook GUID. Does not require API
        key authentication.
      security: []
      parameters:
        - $ref: '#/components/parameters/deviceid'
        - name: webhookguid
          in: path
          required: true
          schema:
            type: string
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                data:
                  type: string
                base64data:
                  type: string
      responses:
        '200':
          description: The message was delivered.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/SuccessResponse'
  /plans:
    get:
      operationId: listPlans
      tags:
        - Plans
      summary: List data plans
      parameters:
        - $ref: '#/components/parameters/orgid'
        - $ref: '#/components/parameters/limit'
        - $ref: '#/components/parameters/startafter'
      responses:
        '200':
          description: A list of data plans.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PlanListResponse'
  /plans/{planid}:
    get:
      operationId: getPlan
      tags:
        - Plans
      summary: Retrieve a data plan
      parameters:
        - name: planid
          in: path
          required: true
          schema:
            type: integer
      responses:
        '200':
          description: The requested data plan.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PlanResponse'
components:
  securitySchemes:
    apikeyAuth:
      type: http
      scheme: basic
      description: >-
        HTTP Basic authentication. Use the literal username `apikey` and your
        Hologram API key as the password. The API key may alternatively be
        supplied as an `apikey` query parameter.
  parameters:
    orgid:
      name: orgid
      in: query
      description: Organization id to scope the request.
      schema:
        type: integer
    deviceid:
      name: deviceid
      in: path
      required: true
      schema:
        type: integer
    linkid:
      name: linkid
      in: path
      required: true
      schema:
        type: integer
    tagid:
      name: tagid
      in: path
      required: true
      schema:
        type: integer
    limit:
      name: limit
      in: query
      description: Maximum number of records to return.
      schema:
        type: integer
    startafter:
      name: startafter
      in: query
      description: Record id to paginate after.
      schema:
        type: integer
  schemas:
    SuccessResponse:
      type: object
      properties:
        success:
          type: boolean
        error:
          type: string
    Device:
      type: object
      properties:
        id:
          type: integer
        orgid:
          type: integer
        name:
          type: string
        phonenumber:
          type: string
        imei:
          type: string
        iccid:
          type: string
        lastsession:
          type: object
        tags:
          type: array
          items:
            $ref: '#/components/schemas/Tag'
        links:
          type: object
    DeviceResponse:
      type: object
      properties:
        success:
          type: boolean
        data:
          $ref: '#/components/schemas/Device'
    DeviceListResponse:
      type: object
      properties:
        success:
          type: boolean
        size:
          type: integer
        limit:
          type: integer
        continues:
          type: boolean
        data:
          type: array
          items:
            $ref: '#/components/schemas/Device'
    CellularLink:
      type: object
      properties:
        id:
          type: integer
        deviceid:
          type: integer
        sim:
          type: string
        msisdn:
          type: string
        imsi:
          type: string
        planid:
          type: integer
        zone:
          type: string
        state:
          type: string
        whenclaimed:
          type: string
        whenexpires:
          type: string
    CellularLinkResponse:
      type: object
      properties:
        success:
          type: boolean
        data:
          $ref: '#/components/schemas/CellularLink'
    CellularLinkListResponse:
      type: object
      properties:
        success:
          type: boolean
        size:
          type: integer
        limit:
          type: integer
        continues:
          type: boolean
        data:
          type: array
          items:
            $ref: '#/components/schemas/CellularLink'
    Tag:
      type: object
      properties:
        id:
          type: integer
        name:
          type: string
        orgid:
          type: integer
        devices:
          type: array
          items:
            type: integer
    TagResponse:
      type: object
      properties:
        success:
          type: boolean
        data:
          $ref: '#/components/schemas/Tag'
    TagListResponse:
      type: object
      properties:
        success:
          type: boolean
        data:
          type: array
          items:
            $ref: '#/components/schemas/Tag'
    Plan:
      type: object
      properties:
        id:
          type: integer
        name:
          type: string
        data:
          type: integer
        price:
          type: integer
        zone:
          type: string
        sms:
          type: integer
        carrier:
          type: string
    PlanResponse:
      type: object
      properties:
        success:
          type: boolean
        data:
          $ref: '#/components/schemas/Plan'
    PlanListResponse:
      type: object
      properties:
        success:
          type: boolean
        data:
          type: array
          items:
            $ref: '#/components/schemas/Plan'
    UsageRecord:
      type: object
      properties:
        id:
          type: integer
        deviceid:
          type: integer
        linkid:
          type: integer
        bytes:
          type: integer
        timestamp:
          type: string
        network:
          type: string
    UsageListResponse:
      type: object
      properties:
        success:
          type: boolean
        size:
          type: integer
        limit:
          type: integer
        continues:
          type: boolean
        data:
          type: array
          items:
            $ref: '#/components/schemas/UsageRecord'