openapi: 3.0.1
info:
  title: OpenStatus Check Monitor API
  description: REST API for the OpenStatus open-source synthetic monitoring and status-page platform. Manage HTTP, TCP, and DNS uptime monitors across 28 global regions, publish status pages, file status reports, work incidents, and run on-demand checks. Authenticate with an API key in the x-openstatus-key header.
  termsOfService: https://www.openstatus.dev/legal/terms
  contact:
    name: OpenStatus Support
    url: https://www.openstatus.dev
    email: ping@openstatus.dev
  license:
    name: AGPL-3.0
    url: https://github.com/openstatusHQ/openstatus/blob/main/LICENSE
  version: '1.0'
servers:
- url: https://api.openstatus.dev/v1
  description: OpenStatus Cloud API
security:
- apiKey: []
tags:
- name: Monitor
  description: HTTP, TCP, and DNS uptime monitors.
paths:
  /monitor:
    get:
      operationId: getAllMonitors
      tags:
      - Monitor
      summary: List all monitors
      description: Returns all monitors belonging to the authenticated workspace.
      responses:
        '200':
          description: A list of monitors.
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/Monitor'
        '401':
          $ref: '#/components/responses/Unauthorized'
    post:
      operationId: createMonitor
      tags:
      - Monitor
      summary: Create a monitor
      description: Creates a new HTTP, TCP, or DNS monitor.
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/MonitorInput'
      responses:
        '200':
          description: The created monitor.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Monitor'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /monitor/{id}:
    parameters:
    - $ref: '#/components/parameters/IdParam'
    get:
      operationId: getMonitor
      tags:
      - Monitor
      summary: Get a monitor
      description: Returns a single monitor by its identifier.
      responses:
        '200':
          description: The requested monitor.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Monitor'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
    put:
      operationId: updateMonitor
      tags:
      - Monitor
      summary: Update a monitor
      description: Updates an existing monitor.
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/MonitorInput'
      responses:
        '200':
          description: The updated monitor.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Monitor'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
    delete:
      operationId: deleteMonitor
      tags:
      - Monitor
      summary: Delete a monitor
      description: Deletes a monitor by its identifier.
      responses:
        '200':
          description: The monitor was deleted.
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
  /monitor/{id}/summary:
    parameters:
    - $ref: '#/components/parameters/IdParam'
    get:
      operationId: getMonitorSummary
      tags:
      - Monitor
      summary: Get a monitor summary
      description: Returns aggregated uptime and latency metrics for a monitor.
      responses:
        '200':
          description: The monitor summary.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/MonitorSummary'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
  /monitor/{id}/run:
    parameters:
    - $ref: '#/components/parameters/IdParam'
    post:
      operationId: runMonitor
      tags:
      - Monitor
      summary: Trigger a monitor run
      description: Triggers an immediate on-demand run of the monitor across its regions.
      responses:
        '200':
          description: The triggered run results.
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/CheckResult'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
components:
  schemas:
    CheckResult:
      type: object
      properties:
        region:
          type: string
        status:
          type: integer
          description: HTTP status code returned.
        latency:
          type: number
          description: Total latency in milliseconds.
        timestamp:
          type: string
          format: date-time
        timing:
          type: object
          properties:
            dns:
              type: number
            connect:
              type: number
            tlsHandshake:
              type: number
            firstByte:
              type: number
            transfer:
              type: number
    Assertion:
      type: object
      description: A condition evaluated against the check response.
      properties:
        type:
          type: string
          enum:
          - status
          - header
          - textBody
          - jsonBody
        compare:
          type: string
          enum:
          - eq
          - not_eq
          - gt
          - gte
          - lt
          - lte
          - contains
          - not_contains
        target:
          type: string
        key:
          type: string
    MonitorSummary:
      type: object
      properties:
        monitorId:
          type: integer
        uptime:
          type: number
          description: Uptime percentage over the reporting window.
        avgLatency:
          type: number
          description: Average latency in milliseconds.
        p95Latency:
          type: number
        p99Latency:
          type: number
        lastTimestamp:
          type: string
          format: date-time
    Monitor:
      type: object
      properties:
        id:
          type: integer
          description: Unique identifier of the monitor.
        name:
          type: string
          description: Display name of the monitor.
        description:
          type: string
        active:
          type: boolean
          description: Whether the monitor is actively running.
        public:
          type: boolean
          description: Whether monitor data is publicly visible.
        jobType:
          type: string
          description: The monitor protocol.
          enum:
          - http
          - tcp
          - dns
        periodicity:
          type: string
          description: How frequently the monitor runs.
          enum:
          - 30s
          - 1m
          - 5m
          - 10m
          - 30m
          - 1h
        url:
          type: string
          description: The endpoint or host to check.
        method:
          type: string
          enum:
          - GET
          - POST
          - PUT
          - DELETE
          - HEAD
          - OPTIONS
        regions:
          type: array
          description: Regions the monitor runs from (up to 28 available).
          items:
            type: string
        headers:
          type: array
          items:
            $ref: '#/components/schemas/Header'
        body:
          type: string
        assertions:
          type: array
          items:
            $ref: '#/components/schemas/Assertion'
        timeout:
          type: integer
          description: Request timeout in milliseconds.
        degradedAfter:
          type: integer
          description: Latency threshold (ms) above which the monitor is degraded.
        retry:
          type: integer
          description: Number of retries before marking an outage.
        otelEndpoint:
          type: string
          description: OpenTelemetry endpoint to export metrics to.
        otelHeaders:
          type: array
          items:
            $ref: '#/components/schemas/Header'
    MonitorInput:
      type: object
      required:
      - periodicity
      - url
      - regions
      properties:
        name:
          type: string
        description:
          type: string
        active:
          type: boolean
          default: true
        public:
          type: boolean
          default: false
        jobType:
          type: string
          enum:
          - http
          - tcp
          - dns
          default: http
        periodicity:
          type: string
          enum:
          - 30s
          - 1m
          - 5m
          - 10m
          - 30m
          - 1h
        url:
          type: string
        method:
          type: string
          enum:
          - GET
          - POST
          - PUT
          - DELETE
          - HEAD
          - OPTIONS
          default: GET
        regions:
          type: array
          items:
            type: string
        headers:
          type: array
          items:
            $ref: '#/components/schemas/Header'
        body:
          type: string
        assertions:
          type: array
          items:
            $ref: '#/components/schemas/Assertion'
        timeout:
          type: integer
          default: 45000
        degradedAfter:
          type: integer
        retry:
          type: integer
          default: 3
    Error:
      type: object
      properties:
        code:
          type: integer
        message:
          type: string
    Header:
      type: object
      properties:
        key:
          type: string
        value:
          type: string
  responses:
    NotFound:
      description: The requested resource was not found.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    Unauthorized:
      description: The API key is missing or invalid.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    BadRequest:
      description: The request was malformed or failed validation.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
  parameters:
    IdParam:
      name: id
      in: path
      required: true
      description: The resource identifier.
      schema:
        type: integer
  securitySchemes:
    apiKey:
      type: apiKey
      in: header
      name: x-openstatus-key
      description: OpenStatus API key, created in the workspace settings.