openapi: 3.1.0
info:
  title: Amazon CloudWatch Alarms Metrics API
  description: Amazon CloudWatch monitors your Amazon Web Services resources and the applications you run on AWS in real time. You can use CloudWatch to collect and track metrics, create alarms that send notifications, and automatically react to changes in your AWS resources. CloudWatch provides a reliable, scalable, and flexible monitoring solution for your cloud infrastructure.
  version: '2010-08-01'
  contact:
    name: Amazon Web Services
    url: https://aws.amazon.com/contact-us/
  termsOfService: https://aws.amazon.com/service-terms/
servers:
- url: https://monitoring.{region}.amazonaws.com
  description: Amazon CloudWatch Regional Endpoint
  variables:
    region:
      default: us-east-1
      description: AWS Region
security:
- sigv4Auth: []
tags:
- name: Metrics
  description: Operations for publishing, retrieving, and listing CloudWatch metrics
paths:
  /?Action=PutMetricData:
    get:
      operationId: putMetricData
      summary: Amazon CloudWatch Publish metric data points
      description: Publishes metric data points to Amazon CloudWatch. CloudWatch associates the data points with the specified metric. If the specified metric does not exist, CloudWatch creates the metric. When CloudWatch creates a metric, it can take up to fifteen minutes for the metric to appear in calls to ListMetrics.
      tags:
      - Metrics
      parameters:
      - name: Namespace
        in: query
        required: true
        description: The namespace for the metric data
        schema:
          type: string
          minLength: 1
          maxLength: 256
      - name: MetricData.member.1.MetricName
        in: query
        required: true
        description: The name of the metric
        schema:
          type: string
          minLength: 1
          maxLength: 256
      - name: MetricData.member.1.Value
        in: query
        description: The value for the metric
        schema:
          type: number
      - name: MetricData.member.1.Timestamp
        in: query
        description: The time the metric data was received
        schema:
          type: string
          format: date-time
      - name: MetricData.member.1.Unit
        in: query
        description: The unit of the metric
        schema:
          type: string
          enum:
          - Seconds
          - Microseconds
          - Milliseconds
          - Bytes
          - Kilobytes
          - Megabytes
          - Gigabytes
          - Terabytes
          - Bits
          - Kilobits
          - Megabits
          - Gigabits
          - Terabits
          - Percent
          - Count
          - Bytes/Second
          - Kilobytes/Second
          - Megabytes/Second
          - Gigabytes/Second
          - Terabytes/Second
          - Bits/Second
          - Kilobits/Second
          - Megabits/Second
          - Gigabits/Second
          - Terabits/Second
          - Count/Second
          - None
      - name: MetricData.member.1.Dimensions.member.1.Name
        in: query
        description: The name of the dimension
        schema:
          type: string
      - name: MetricData.member.1.Dimensions.member.1.Value
        in: query
        description: The value of the dimension
        schema:
          type: string
      responses:
        '200':
          description: Successfully published metric data
        '400':
          description: Invalid request parameters
        '401':
          description: Authentication failure
        '403':
          description: Authorization failure
  /?Action=GetMetricData:
    get:
      operationId: getMetricData
      summary: Amazon CloudWatch Retrieve metric data
      description: Retrieves CloudWatch metric values. You can use GetMetricData to retrieve as many as 500 different metrics in a single request, with a total of as many as 100,800 data points.
      tags:
      - Metrics
      parameters:
      - name: StartTime
        in: query
        required: true
        description: The start of the time range to retrieve metric data
        schema:
          type: string
          format: date-time
      - name: EndTime
        in: query
        required: true
        description: The end of the time range to retrieve metric data
        schema:
          type: string
          format: date-time
      - name: MetricDataQueries.member.1.Id
        in: query
        required: true
        description: A short name to identify the query
        schema:
          type: string
      - name: MetricDataQueries.member.1.MetricStat.Metric.Namespace
        in: query
        description: The namespace of the metric
        schema:
          type: string
      - name: MetricDataQueries.member.1.MetricStat.Metric.MetricName
        in: query
        description: The name of the metric
        schema:
          type: string
      - name: MetricDataQueries.member.1.MetricStat.Period
        in: query
        description: The granularity in seconds of the returned data points
        schema:
          type: integer
          minimum: 1
      - name: MetricDataQueries.member.1.MetricStat.Stat
        in: query
        description: The statistic to return (e.g., Average, Sum, Maximum)
        schema:
          type: string
      - name: MaxDatapoints
        in: query
        description: The maximum number of data points to return
        schema:
          type: integer
      - name: NextToken
        in: query
        description: Token for the next page of results
        schema:
          type: string
      responses:
        '200':
          description: Successfully retrieved metric data
          content:
            application/xml:
              schema:
                $ref: '#/components/schemas/GetMetricDataResponse'
        '400':
          description: Invalid request parameters
        '401':
          description: Authentication failure
  /?Action=GetMetricStatistics:
    get:
      operationId: getMetricStatistics
      summary: Amazon CloudWatch Get statistics for a metric
      description: 'Gets statistics for the specified metric. The maximum number of data points returned from a single call is 1,440. CloudWatch retains metric data as follows: data points with a period of less than 60 seconds are available for 3 hours, 60-second data points for 15 days, 5-minute data points for 63 days, and 1-hour data points for 455 days.'
      tags:
      - Metrics
      parameters:
      - name: Namespace
        in: query
        required: true
        description: The namespace of the metric
        schema:
          type: string
      - name: MetricName
        in: query
        required: true
        description: The name of the metric
        schema:
          type: string
      - name: StartTime
        in: query
        required: true
        description: The start of the time range for the data points
        schema:
          type: string
          format: date-time
      - name: EndTime
        in: query
        required: true
        description: The end of the time range for the data points
        schema:
          type: string
          format: date-time
      - name: Period
        in: query
        required: true
        description: The granularity in seconds of the returned data points
        schema:
          type: integer
          minimum: 1
      - name: Statistics.member.1
        in: query
        description: The metric statistic to return
        schema:
          type: string
          enum:
          - SampleCount
          - Average
          - Sum
          - Minimum
          - Maximum
      - name: Dimensions.member.1.Name
        in: query
        description: The name of the dimension
        schema:
          type: string
      - name: Dimensions.member.1.Value
        in: query
        description: The value of the dimension
        schema:
          type: string
      - name: Unit
        in: query
        description: The unit for the metric
        schema:
          type: string
      responses:
        '200':
          description: Successfully retrieved metric statistics
          content:
            application/xml:
              schema:
                $ref: '#/components/schemas/GetMetricStatisticsResponse'
        '400':
          description: Invalid request parameters
        '401':
          description: Authentication failure
  /?Action=ListMetrics:
    get:
      operationId: listMetrics
      summary: Amazon CloudWatch List available metrics
      description: List the specified metrics. You can use the returned metrics with GetMetricData or GetMetricStatistics to get statistical data. Up to 500 results are returned for any one call.
      tags:
      - Metrics
      parameters:
      - name: Namespace
        in: query
        description: Filter by namespace
        schema:
          type: string
      - name: MetricName
        in: query
        description: Filter by metric name
        schema:
          type: string
      - name: Dimensions.member.1.Name
        in: query
        description: The name of the dimension to filter by
        schema:
          type: string
      - name: Dimensions.member.1.Value
        in: query
        description: The value of the dimension to filter by
        schema:
          type: string
      - name: NextToken
        in: query
        description: Token for the next page of results
        schema:
          type: string
      - name: RecentlyActive
        in: query
        description: Filter to metrics that have had data points published in the past three hours
        schema:
          type: string
          enum:
          - PT3H
      responses:
        '200':
          description: Successfully listed metrics
          content:
            application/xml:
              schema:
                $ref: '#/components/schemas/ListMetricsResponse'
        '400':
          description: Invalid request parameters
        '401':
          description: Authentication failure
components:
  schemas:
    GetMetricDataResponse:
      type: object
      description: Response from the GetMetricData action
      properties:
        metricDataResults:
          type: array
          description: The metrics that are returned
          items:
            type: object
            properties:
              id:
                type: string
                description: The short name specified in the query
              label:
                type: string
                description: The human-readable label for the metric
              timestamps:
                type: array
                description: The timestamps for the data points
                items:
                  type: string
                  format: date-time
              values:
                type: array
                description: The data point values
                items:
                  type: number
              statusCode:
                type: string
                description: The status of the returned data
                enum:
                - Complete
                - InternalError
                - PartialData
                - Forbidden
        nextToken:
          type: string
          description: Token for the next page of results
    ListMetricsResponse:
      type: object
      description: Response from the ListMetrics action
      properties:
        metrics:
          type: array
          description: The metrics that match the filter criteria
          items:
            $ref: '#/components/schemas/Metric'
        nextToken:
          type: string
          description: Token for the next page of results
    Metric:
      type: object
      description: Represents a specific metric
      properties:
        namespace:
          type: string
          description: The namespace of the metric
        metricName:
          type: string
          description: The name of the metric
        dimensions:
          type: array
          description: The dimensions for the metric
          items:
            type: object
            properties:
              name:
                type: string
                description: The name of the dimension
              value:
                type: string
                description: The value of the dimension
    GetMetricStatisticsResponse:
      type: object
      description: Response from the GetMetricStatistics action
      properties:
        label:
          type: string
          description: A label for the specified metric
        datapoints:
          type: array
          description: The data points for the specified metric
          items:
            type: object
            properties:
              timestamp:
                type: string
                format: date-time
                description: The time stamp for the data point
              sampleCount:
                type: number
                description: The number of metric values
              average:
                type: number
                description: The average of the metric values
              sum:
                type: number
                description: The sum of the metric values
              minimum:
                type: number
                description: The minimum metric value
              maximum:
                type: number
                description: The maximum metric value
              unit:
                type: string
                description: The standard unit for the data point
  securitySchemes:
    sigv4Auth:
      type: apiKey
      name: Authorization
      in: header
      description: AWS Signature Version 4 authentication
externalDocs:
  description: Amazon CloudWatch API Reference
  url: https://docs.aws.amazon.com/AmazonCloudWatch/latest/APIReference/