VictoriaMetrics

VictoriaMetrics Query API

Prometheus-compatible query endpoints (PromQL / MetricsQL)

Documentation GitHub OpenAPI

Operations 10

GET /api/v1/query Perform a PromQL/MetricsQL instant query #

POST /api/v1/query Perform a PromQL/MetricsQL instant query (POST form) #

GET /api/v1/query_range Range query over a time period #

POST /api/v1/query_range Range query (POST form) #

GET /api/v1/labels Retrieve label names within a time range #

GET /api/v1/label/{label}/values Get all values for a specific label #

GET /api/v1/series Return series matching label matchers #

POST /api/v1/series Return series (POST form) #

GET /api/v1/status/tsdb Cardinality and TSDB statistics #

GET /api/v1/metadata Get stored metrics metadata #

Specifications

⚙

OpenAPI

https://raw.githubusercontent.com/api-evangelist/victoriametrics/refs/heads/main/openapi/victoriametrics-query-api-openapi.yml

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OpenAPI Specification

openapi: 3.2.0
info:
  title: VictoriaMetrics HTTP Admin Query API
  version: '1'
  description: 'VictoriaMetrics is a fast open-source time-series database. It exposes a

    Prometheus-compatible HTTP query API plus a wide range of ingestion and

    export endpoints (JSON, CSV, Prometheus text exposition, native binary,

    InfluxDB Line Protocol, DataDog v1/v2, Graphite, OpenTSDB, federation).

    Authentication is optional and typically delegated to vmauth or fronted

    by mTLS.

    '
  contact:
    name: VictoriaMetrics Documentation
    url: https://docs.victoriametrics.com/
  license:
    name: Apache-2.0
    url: https://www.apache.org/licenses/LICENSE-2.0
servers:
- url: http://{host}:{port}
  description: VictoriaMetrics single-node instance
  variables:
    host:
      default: localhost
    port:
      default: '8428'
security: []
tags:
- name: Query
  description: Prometheus-compatible query endpoints (PromQL / MetricsQL)
paths:
  /api/v1/query:
    get:
      tags:
      - Query
      summary: Perform a PromQL/MetricsQL instant query
      operationId: instantQuery
      parameters:
      - name: query
        in: query
        required: true
        schema:
          type: string
      - name: time
        in: query
        schema:
          type: string
      - name: timeout
        in: query
        schema:
          type: string
      responses:
        '200':
          description: Query result
    post:
      tags:
      - Query
      summary: Perform a PromQL/MetricsQL instant query (POST form)
      operationId: instantQueryPost
      responses:
        '200':
          description: Query result
  /api/v1/query_range:
    get:
      tags:
      - Query
      summary: Range query over a time period
      operationId: rangeQuery
      parameters:
      - name: query
        in: query
        required: true
        schema:
          type: string
      - name: start
        in: query
        required: true
        schema:
          type: string
      - name: end
        in: query
        required: true
        schema:
          type: string
      - name: step
        in: query
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Range query result
    post:
      tags:
      - Query
      operationId: rangeQueryPost
      summary: Range query (POST form)
      responses:
        '200':
          description: Range query result
  /api/v1/labels:
    get:
      tags:
      - Query
      summary: Retrieve label names within a time range
      operationId: getLabels
      responses:
        '200':
          description: List of label names
  /api/v1/label/{label}/values:
    get:
      tags:
      - Query
      summary: Get all values for a specific label
      operationId: getLabelValues
      parameters:
      - name: label
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: List of label values
  /api/v1/series:
    get:
      tags:
      - Query
      summary: Return series matching label matchers
      operationId: getSeries
      parameters:
      - name: match[]
        in: query
        schema:
          type: array
          items:
            type: string
      responses:
        '200':
          description: Series list
    post:
      tags:
      - Query
      operationId: getSeriesPost
      summary: Return series (POST form)
      responses:
        '200':
          description: Series list
  /api/v1/status/tsdb:
    get:
      tags:
      - Query
      summary: Cardinality and TSDB statistics
      operationId: getTsdbStatus
      responses:
        '200':
          description: TSDB status
  /api/v1/metadata:
    get:
      tags:
      - Query
      summary: Get stored metrics metadata
      operationId: getMetadata
      responses:
        '200':
          description: Metadata
components:
  securitySchemes:
    basic:
      type: http
      scheme: basic
      description: Optional HTTP Basic auth when fronted by vmauth