openapi: 3.0.1
info:
  title: Quix Cloud HTTP APIs Definitions Parameter Data API
  description: 'OpenAPI 3.0 description of the HTTP (REST) surfaces of Quix Cloud: the Streaming Writer API for publishing time-series parameter data, events, and definitions into Quix topics, and the account-wide Portal API for managing workspaces, topics, and deployments.


    The Streaming Reader API is delivered exclusively over a Microsoft SignalR hub (WebSockets / Long Polling) and is therefore modeled separately in the companion AsyncAPI document at asyncapi/quix-asyncapi.yml, not here.


    All endpoints authenticate with a Quix Personal Access Token (PAT) supplied as an `Authorization: Bearer <PAT>` header. The Streaming Writer API base host is environment-specific (`writer-{environmentId}.cloud.quix.io`); the Portal API is account-wide (`portal-api.platform.quix.io`). Endpoint paths are documented by Quix; per-environment Swagger/OpenAPI references are available from the Quix portal under Settings > APIs and tokens.'
  termsOfService: https://quix.io/terms/
  contact:
    name: Quix Support
    url: https://quix.io/contact/
  license:
    name: API documentation - Quix Terms
    url: https://quix.io/terms/
  version: '1.0'
servers:
- url: https://writer-{environmentId}.cloud.quix.io
  description: Streaming Writer API. Environment-specific host; `{environmentId}` is the URL-friendly combination of organization, project, and environment names (e.g. `myorg-myproject-production`).
  variables:
    environmentId:
      default: myorg-myproject-production
      description: Quix environment (workspace) identifier.
- url: https://portal-api.platform.quix.io
  description: Portal API. Account-wide management host. The subdomain segment may differ per Quix deployment; copy the exact Portal API base from the Quix portal (Settings > APIs and tokens).
tags:
- name: Parameter Data
  description: Publish time-series parameter data into a stream (Streaming Writer API).
paths:
  /topics/{topicName}/streams/{streamId}/parameters/data:
    post:
      operationId: sendParameterData
      tags:
      - Parameter Data
      summary: Send parameter data
      description: Publishes one or more time-series parameter samples to a stream. The payload carries an array of nanosecond `timestamps` plus values keyed by parameter name under `numericValues`, `stringValues`, and/or `binaryValues`. Publishing to a non-existent `streamId` implicitly creates the stream.
      servers:
      - url: https://writer-{environmentId}.cloud.quix.io
        variables:
          environmentId:
            default: myorg-myproject-production
      parameters:
      - $ref: '#/components/parameters/TopicName'
      - $ref: '#/components/parameters/StreamId'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ParameterDataRequest'
      responses:
        '200':
          description: Data accepted.
        '401':
          $ref: '#/components/responses/Unauthorized'
      security:
      - bearerAuth: []
components:
  responses:
    Unauthorized:
      description: Authentication failed - the bearer token is missing, malformed, or expired.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
  parameters:
    TopicName:
      name: topicName
      in: path
      required: true
      description: The name of the topic the stream belongs to.
      schema:
        type: string
    StreamId:
      name: streamId
      in: path
      required: true
      description: The unique identifier of the stream. Publishing to an id that does not exist creates the stream implicitly.
      schema:
        type: string
  schemas:
    ParameterDataRequest:
      type: object
      required:
      - timestamps
      description: Time-series parameter samples. `timestamps` holds one nanosecond epoch value per sample; each value object is keyed by parameter name and each array aligns positionally with `timestamps`.
      properties:
        timestamps:
          type: array
          items:
            type: integer
            format: int64
          description: Nanosecond epoch timestamps, one per sample.
        numericValues:
          type: object
          additionalProperties:
            type: array
            items:
              type: number
          description: Numeric parameter values keyed by parameter name.
        stringValues:
          type: object
          additionalProperties:
            type: array
            items:
              type: string
          description: String parameter values keyed by parameter name.
        binaryValues:
          type: object
          additionalProperties:
            type: array
            items:
              type: string
              format: byte
          description: Base64-encoded binary parameter values keyed by parameter name.
        tagValues:
          type: object
          additionalProperties:
            type: array
            items:
              type: string
          description: Tag values keyed by tag name, aligned with timestamps.
      example:
        timestamps:
        - 1591733989000000000
        - 1591733990000000000
        - 1591733991000000000
        numericValues:
          SomeParameter1:
          - 10.01
          - 202.02
          - 303.03
          SomeParameter2:
          - 400.04
          - 50.05
          - 60.06
    Error:
      type: object
      properties:
        status:
          type: integer
        title:
          type: string
        detail:
          type: string
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: PAT
      description: 'Quix Personal Access Token (PAT) presented as `Authorization: Bearer <PAT>`. Generate from the Quix portal under your profile > Personal Access Tokens, or Settings > APIs and tokens.'