> ## Documentation Index
> Fetch the complete documentation index at: https://docs.ctrl-hub.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Register a device for push notifications

> Registers the signed-in user's device to be sent push notifications, with the device's own push
token: the APNs device token as hex on iOS, or the FCM registration token on Android. mono sends to
Apple and Google with it directly. The mobile app calls it after sign-in, and again whenever its token
changes. A token that doesn't look like one for its platform is a 400 (`CH.012.302`).

Each token has a `kind` and the `device_id` the app made for its installation. A device holds one
token of each kind, so registering a token deletes the device's other token of the same kind, which
the platform has replaced. `alert`, the app's own notifications, is the only kind for now.

Registering a token the caller already holds refreshes it and answers with the same record. A
token held by another user moves to the caller, because a phone can change hands. Either way the
answer is a 201 with the token as stored.

Only a user can register a device. A service account or agent is refused (`CH.012.304`). No
permission is needed: the token belongs to the caller.




## OpenAPI

````yaml /api-reference/openapi.yaml post /v3/notifications/push-tokens
openapi: 3.1.0
info:
  contact:
    email: support@ctrl-hub.com
    name: Ctrl Hub
    url: https://www.ctrl-hub.com
  description: >
    Ctrl Hub is the all-in-one platform for high-risk industries like utilities,
    construction, infrastructure, and renewables. We help teams manage
    everything from risk assessments and HAVS exposure to vehicle and equipment
    checks, with a guaranteed minimum of 200% ROI.
  license:
    name: MIT License
    url: https://opensource.org/licenses/MIT
  summary: An API for managing your compliance and risk posture
  termsOfService: https://www.ctrl-hub.com/terms-conditions
  title: Ctrl Hub
  version: 1.0.0
servers:
  - description: Production
    url: https://api.ctrl-hub.com
  - description: Staging
    url: https://api.ctrl-hub.dev
  - description: Development
    url: https://api.ctrl-hub.run
security: []
tags:
  - description: |
      Actions are follow-ups assigned to users and teams, produced manually or
      by domain producers such as the data-capture workflow runner.
    name: Actions
  - description: |
      Audit events are the events that are logged by the system.
    name: Audit Events
  - description: |
      View the platform's health and availability.
    name: Status
  - description: >
      User-owned dashboards composed of cards on a fixed-slot bento layout.
      Cards come from a per-domain registry; the API stores their config as
      opaque JSON.
    name: Dashboards
  - description: >
      Copies of a mobile device's local database, sent by the operative on
      request so that people

      in their organisation can recover work that never reached the server. Kept
      for 30 days, and

      visible to people granted `device-backups:view` in the organisation each
      is filed against.
    name: Device Backups
  - description: >
      A record of documents the platform generated and handed over, retained as
      evidence of what

      was issued. `subject_type` says what kind of records an export covers, and
      it is what decides

      how the request is authorised: there is no export permission of its own,
      so if you can see the

      records you can export them.
    name: Exports
  - description: >
      Scheduled delivery of a saved query's results, as a CSV attachment or a
      summary email. Every run is retained with the file it sent, so what a
      recipient received stays retrievable. A report runs as the person who
      created it, under their own access.
    name: Reports
  - description: >
      Performance standards the platform defines, such as the gas Guaranteed
      Standards of Performance 3 and 13, and how an organisation's forms answer
      them. An organisation maps its form fields to a standard's inputs, and the
      mapping generates a saved query that reads the answers.
    name: Standards
  - description: |
      Manage appointments for work to be carried out with your customers
    name: Customer Appointments
  - description: |
      Manage interactions you have with your customers
    name: Customer Interactions
  - description: |
      Manage accounts for your customers
    name: Customer Accounts and Contacts
  - description: >
      Competency: the assessments, training items, inductions and registrations
      an

      organisation requires, and the specifications that combine them.
    name: Qualifications
  - description: |
      Workflows allow you to automate your processes.
    name: Workflows
  - description: |
      Manage documents
    name: Documents
  - description: |
      Manage documents
    name: Folders
  - description: |
      Manage documents
    name: Document Reviews
  - description: |
      Manage feature configurations for an organisation.
    name: Feature Configurations
  - description: |
      Equipment are the physical assets that an organisation manages.
    name: Equipment
  - description: >
      Exposure limits: an organisation's thresholds for each exposure type,
      stricter than the HSE

      values, and the limit in force for a person on a date.
    name: Exposure Limits
  - description: |
      The central cost register: time-versioned rate codes for material, labour,
      contractor and miscellaneous spend, used to cost work against the job
      hierarchy.
    name: Costs
  - description: >
      Locations are places an organisation manages, optionally classified by a
      location type.
    name: Locations
  - description: >
      Bulk loads of locations from an uploaded CSV. An import matches rows on
      the organisation's own

      `reference`, so re-importing a corrected file updates what is already
      there rather than

      doubling the population, and the import record is the audit trail for the
      whole load: the bulk

      write path deliberately emits no per-row events.
    name: Location Imports
  - description: |
      Manage your forms and their schemas
    name: Forms, Schemas and Categories
  - description: |
      Create and view form submissions
    name: Submissions
  - description: |
      View the roles available in the system.
    name: IAM Roles
  - description: >
      IAM role groups can be assigned to principals to manage authorisation
      centrally.
    name: IAM Role Groups
  - description: |
      Manage service accounts which can access the API programmatically.
    name: Service Accounts
  - description: |
      Manage bridges between organisations.
    name: Bridges
  - description: |
      Manage settings for an organisation.
    name: Settings
  - description: |
      Manage teams within an organisation.
    name: Teams
  - description: >
      Manage who manages whom within an organisation, and the manager roles that
      say what a manager may do for their people.
    name: Management
  - description: |
      Manage job roles within an organisation.
    name: Job Roles
  - description: |
      Manage users and accounts.
    name: Users
  - description: |
      Invite and manage invitations to organisations.
    name: Invitations
  - description: >
      IAM grants are the asignment of roles or permissions to principals to
      manage resource access.
    name: IAM Grants
  - description: |
      View the permissions available in the system.
    name: IAM Permissions
  - description: |
      SSO providers are the identity providers for an organisation.
    name: SSO Providers
  - description: |
      Whoami returns information about the currently authenticated principal.
    name: Whoami
  - description: |
      Your personal inbox. A notification is the thing you receive: an envelope
      that carries what happened to one or more channels. Email is one of those
      channels, the inbox is another, and this is where the ones delivered to
      your inbox are listed, read, saved and archived.
    name: Notifications
  - description: |
      Manage your images
    name: Images
  - description: >
      AI agent personas that synthesise data into role-specific intelligent
      briefings.
    name: Agents
  - description: |
      Briefings generated by AI agents, including reasoning traces.
    name: Agent Briefings
  - description: >
      Feedback a console user sends to Ctrl Hub from any page. Only Ctrl Hub
      staff read it, on the

      Management API.
    name: User Feedback
  - description: >
      Notices an organisation sends to its own people and its contractors'
      people, who

      acknowledge that they have read and understood them. Replaces v2's
      bulletins.
    name: Briefings
  - description: >
      Organisations are the center point for most resources in the platform.
      Most other endpoints are subresources of an organisation.
    name: Organisations
  - description: |
      Permits managements, integrated with street manager.
    name: Permits
  - description: |
      Projects manage your work and governance.
    name: Projects
  - description: >
      Import templates allow users to save and reuse their CSV importer
      configuration as named templates.
    name: Import Templates
  - description: |
      Properties are the physical locations.
    name: Properties
  - description: |
      Search across schemes, work orders, and operations.
    name: Search
  - description: |
      Provides the API specification in JSON and YAML formats
    name: Specifications
  - description: |
      Streets are the physical roads.
    name: Streets
  - description: |
      Integration with street manager
    name: Street Manager
  - description: |
      Vehicles are the physical vehicles that an organisation manages.
    name: Vehicles
  - description: >
      Scheme contracts (also known as regions) group schemes allocated from the
      network to a contractor.
    name: Scheme Contracts
  - description: >
      Scheme shares allow you to share your schemes with other organisations
      across bridges.
    name: Scheme Shares
  - description: |
      Schemes are large programmes of work
    name: Schemes
  - description: >
      A Construction Phase Plan is the Principal Contractor's plan for managing
      health and safety

      on a scheme, under CDM 2015. Its risks are control measures written
      against the hazards on

      the scheme's Pre-Construction Information. Each section is owned by one
      duty-holder role.
    name: Construction Phase Plans
  - description: >
      A Pre-Construction Information pack is the Client's information about a
      scheme under CDM

      2015, with its site hazards. A scheme has at most one. Each section is
      owned by one

      duty-holder role, and only that role can write it.
    name: Pre-Construction Information
  - description: >
      Site attendances record who was on site and when, whether or not they hold
      an account.

      There is no daily register resource: a day's register and who is currently
      on site are

      both queries over the attendances themselves.
    name: Site Attendances
  - description: |
      Work orders the component parts of a scheme.
    name: Work Orders
  - description: |
      Operations are the work to be carried out within work orders.
    name: Operations
externalDocs:
  description: More documentation and resources
  url: https://docs.ctrl-hub.com
paths:
  /v3/notifications/push-tokens:
    post:
      tags:
        - Notifications
      summary: Register a device for push notifications
      description: >
        Registers the signed-in user's device to be sent push notifications,
        with the device's own push

        token: the APNs device token as hex on iOS, or the FCM registration
        token on Android. mono sends to

        Apple and Google with it directly. The mobile app calls it after
        sign-in, and again whenever its token

        changes. A token that doesn't look like one for its platform is a 400
        (`CH.012.302`).


        Each token has a `kind` and the `device_id` the app made for its
        installation. A device holds one

        token of each kind, so registering a token deletes the device's other
        token of the same kind, which

        the platform has replaced. `alert`, the app's own notifications, is the
        only kind for now.


        Registering a token the caller already holds refreshes it and answers
        with the same record. A

        token held by another user moves to the caller, because a phone can
        change hands. Either way the

        answer is a 201 with the token as stored.


        Only a user can register a device. A service account or agent is refused
        (`CH.012.304`). No

        permission is needed: the token belongs to the caller.
      operationId: RegisterPushToken
      requestBody:
        $ref: '#/components/requestBodies/RegisterPushToken'
      responses:
        '201':
          $ref: '#/components/responses/GetPushToken'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorised'
        '500':
          $ref: '#/components/responses/InternalServerError'
      security:
        - Session: []
        - OAuth2: []
        - Cookie: []
components:
  requestBodies:
    RegisterPushToken:
      required: true
      description: The device to send push notifications to.
      content:
        application/vnd.api+json:
          schema:
            type: object
            required:
              - data
            properties:
              data:
                type: object
                required:
                  - type
                  - attributes
                properties:
                  type:
                    type: string
                    const: push-tokens
                  attributes:
                    type: object
                    required:
                      - token
                      - platform
                      - kind
                      - device_id
                    properties:
                      token:
                        type: string
                        minLength: 32
                        maxLength: 4096
                        description: >
                          The device's own push token: the APNs device token as
                          hex on iOS, or the FCM

                          registration token on Android.
                        examples:
                          - >-
                            740f4707bebcf74f9b7c25d48e3358945f6aa01da5ddb387462c7eaf61bb78ad
                      platform:
                        $ref: '#/components/schemas/PushPlatform'
                      kind:
                        $ref: '#/components/schemas/PushTokenKind'
                      device_id:
                        type: string
                        format: uuid
                        description: >
                          An id the app makes once per installation and keeps.
                          It ties together every token

                          of one device: registering a token replaces the
                          device's other token of the same

                          kind, and signing out removes them all.
  responses:
    GetPushToken:
      description: A push token.
      headers:
        Content-Type:
          $ref: '#/components/headers/content-type'
        Content-Length:
          $ref: '#/components/headers/content-length'
        X-Request-ID:
          $ref: '#/components/headers/x-request-id'
      content:
        application/vnd.api+json:
          schema:
            allOf:
              - type: object
                required:
                  - data
                properties:
                  data:
                    $ref: '#/components/schemas/PushToken'
              - $ref: '#/components/schemas/JSONAPI'
    BadRequest:
      description: >
        There was an error with the request - this could be due to an invalid
        body, query parameters,

        or headers that were sent to the API.
      headers:
        Content-Type:
          $ref: '#/components/headers/content-type'
        Content-Length:
          $ref: '#/components/headers/content-length'
        X-Request-ID:
          $ref: '#/components/headers/x-request-id'
      content:
        application/vnd.api+json:
          schema:
            type: object
            properties:
              errors:
                type: array
                items:
                  $ref: '#/components/schemas/Error'
          example:
            id: 98ca4a78-b66f-4234-9719-aaf832ee6669
            status: '400'
            title: A validation error was encountered
            source:
              parameter: include
            meta:
              resource: wrong_value
    Unauthorised:
      description: Authentication failed
      headers:
        Content-Type:
          $ref: '#/components/headers/content-type'
        Content-Length:
          $ref: '#/components/headers/content-length'
        X-Request-ID:
          $ref: '#/components/headers/x-request-id'
      content:
        application/vnd.api+json:
          schema:
            type: object
            properties:
              errors:
                type: array
                items:
                  $ref: '#/components/schemas/Error'
          example:
            id: 05fc9c8d-73b9-4697-9337-57f7a567a48f
            status: '401'
            title: You are not authorised to access this resource
            detail: In order to access this resource, you need the 'admin' role.
            code: AUTH.001
    InternalServerError:
      description: There was a problem handling the request on the server side
      headers:
        Content-Type:
          $ref: '#/components/headers/content-type'
        Content-Length:
          $ref: '#/components/headers/content-length'
        X-Request-ID:
          $ref: '#/components/headers/x-request-id'
      content:
        application/vnd.api+json:
          schema:
            type: object
            properties:
              errors:
                type: array
                items:
                  $ref: '#/components/schemas/Error'
          example:
            id: fe9d9a69-f0a7-4fdc-bb2c-176027f316c5
            status: '500'
            title: Internal Server Error
            detail: An unexpected error occurred on the server.
  schemas:
    PushPlatform:
      type: string
      description: The operating system of the device the push token was issued to.
      enum:
        - ios
        - android
    PushTokenKind:
      type: string
      description: >
        What a push token delivers to. A device can hold a token of each kind,
        because iOS gives a widget or a

        Live Activity a token of its own. `alert` is the app's own
        notifications, and the only kind for now.
      enum:
        - alert
    PushToken:
      type: object
      description: >
        A device the signed-in user is sent push notifications on, by its own
        push token: an APNs device

        token on iOS, an FCM registration token on Android. A user sees and
        changes only their own.
      required:
        - id
        - type
        - attributes
        - meta
      properties:
        id:
          type: string
          format: uuid
          description: The unique identifier of the push token.
        type:
          type: string
          const: push-tokens
        attributes:
          $ref: '#/components/schemas/PushTokenAttributes'
        meta:
          $ref: '#/components/schemas/PushTokenMeta'
    JSONAPI:
      type: object
      description: JSON API response object
      required:
        - jsonapi
      properties:
        jsonapi:
          type: object
          required:
            - version
          properties:
            version:
              type: string
              description: The version of the JSON API specification
              examples:
                - '1.0'
    Error:
      type: object
      description: An error response
      properties:
        id:
          description: >-
            A unique identifier for this particular occurrence of the problem.
            If you encounter this, please provide us with the error ID and we
            can investigate it on our side.
          type: string
          format: uuid
          examples:
            - 05fc9c8d-73b9-4697-9337-57f7a567a48f
        status:
          description: >-
            The status code for the error. This might not match the HTTP status
            code if there are more that one errors to return with different
            status codes.
          type: string
          examples:
            - '401'
            - '500'
        title:
          description: A human readable title for the error.
          type: string
          examples:
            - You are not authorised to access this resource
        detail:
          description: >-
            Where there is more detail that we can provide outside of the title,
            we will provide it here.
          type: string
          examples:
            - In order to access this resource, you need the 'admin' role.
        code:
          description: >-
            A unique code for the error that may help us to diagnose the issue.
            Not all errors have codes, so this is usually empty.

            `CH.003.080` (403) means the organisation in `meta.organisation_id`
            requires two-factor authentication and the caller's session does not
            satisfy it. The caller must set up or use a second factor, or sign
            in through their organisation's SAML single sign-on. Other OIDC
            sign-ins do not count.
          type: string
          examples:
            - AUTH.001
            - CH.003.080
        source:
          description: A JSON object containing additional information about the error.
          type: object
          properties:
            pointer:
              description: >-
                A JSON Pointer to the value in the request that caused the
                error.
              type: string
              examples:
                - /data/attributes/email
            parameter:
              description: >-
                A string indicating which query parameter in the request caused
                the error.
              type: string
              examples:
                - include
        meta:
          description: >-
            A JSON object containing additional information about the error.

            When a parameter caused the error, there will be a `resource`
            property with the name of the resource that caused the error.

            When `code` is `CH.003.080`, `organisation_id` names the
            organisation that requires two-factor authentication, which the
            caller's session does not satisfy.

            When `code` is `CH.029.016`, `retry_after` is the number of seconds
            to wait before sending feedback again. It matches the `Retry-After`
            header, which a browser on another origin cannot read.
          type: object
          properties:
            resource:
              type: string
              description: >-
                The resource a parameter error relates to, such as an
                unsupported include.
            organisation_id:
              type: string
              format: uuid
              examples:
                - c000c344-8847-47da-a091-32e75902d3b1
            retry_after:
              type: integer
              minimum: 1
              description: Seconds to wait before trying the request again.
              examples:
                - 1200
          additionalProperties: true
      required:
        - id
        - status
        - title
    PushTokenAttributes:
      type: object
      description: Attributes of a push token.
      required:
        - token
        - platform
        - kind
        - device_id
      properties:
        token:
          type: string
          description: >-
            The device's own push token, an APNs device token on iOS or an FCM
            registration token on Android.
          examples:
            - 740f4707bebcf74f9b7c25d48e3358945f6aa01da5ddb387462c7eaf61bb78ad
        platform:
          $ref: '#/components/schemas/PushPlatform'
        kind:
          $ref: '#/components/schemas/PushTokenKind'
        device_id:
          type: string
          format: uuid
          description: The installation of the app the token was issued to.
    PushTokenMeta:
      type: object
      description: Metadata for a push token.
      required:
        - created_at
        - last_seen_at
      properties:
        created_at:
          type: string
          format: date-time
          description: When the token was first registered.
        last_seen_at:
          type: string
          format: date-time
          description: When the token was last registered.
  headers:
    content-type:
      description: The content type of the response
      schema:
        type: string
      example: application/vnd.api+json
    content-length:
      description: The length of the response body in bytes
      schema:
        type: integer
        format: int32
      example: 1234
    x-request-id:
      description: >-
        An ID that can be provided when reporting bugs to help identify the
        issue
      schema:
        type: string
      example: 8470f56af4cf25e22be08e72c70dbbdc
  securitySchemes:
    Session:
      description: |
        Session token for authentication.
      in: header
      name: X-Session-Token
      type: apiKey
    OAuth2:
      description: |
        OAuth2 token for authentication.
      flows:
        clientCredentials:
          scopes: {}
          tokenUrl: https://auth.ctrl-hub.com/oauth2/token
      type: oauth2
    Cookie:
      description: |
        Cookie token for authentication.
      in: cookie
      name: ctrl_hub_session
      type: apiKey

````

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