openapi: 3.1.0
info:
  title: QuestDB HTTP REST Chk Imp API
  version: 1.0.0
  description: HTTP REST endpoints exposed by QuestDB on the default HTTP port (9000) for SQL execution, CSV import/export, table existence checks, runtime metrics, and the InfluxDB Line Protocol HTTP ingestion endpoint. Authentication is unauthenticated by default in the open-source build; QuestDB Enterprise supports HTTP Basic Authentication and TLS.
  contact:
    name: QuestDB Documentation
    url: https://questdb.com/docs/
  license:
    name: Apache 2.0
    url: https://www.apache.org/licenses/LICENSE-2.0
servers:
- url: http://{host}:{port}
  description: QuestDB HTTP server
  variables:
    host:
      default: localhost
      description: QuestDB host
    port:
      default: '9000'
      description: QuestDB HTTP port
security:
- {}
- basicAuth: []
tags:
- name: Imp
paths:
  /imp:
    post:
      summary: Import a CSV file
      description: Imports a CSV file into a QuestDB table using a multipart form upload.
      operationId: importCsv
      parameters:
      - name: name
        in: query
        required: false
        description: Target table name (defaults to the uploaded file name).
        schema:
          type: string
      - name: overwrite
        in: query
        required: false
        description: When true, drop and recreate the target table.
        schema:
          type: boolean
      - name: forceHeader
        in: query
        required: false
        description: Treat the first row as a header row.
        schema:
          type: boolean
      - name: timestamp
        in: query
        required: false
        description: Name of the designated timestamp column.
        schema:
          type: string
      - name: partitionBy
        in: query
        required: false
        description: Partition strategy (NONE, HOUR, DAY, WEEK, MONTH, YEAR).
        schema:
          type: string
          enum:
          - NONE
          - HOUR
          - DAY
          - WEEK
          - MONTH
          - YEAR
      - name: fmt
        in: query
        required: false
        description: Response format, for example `json` or `tabular`.
        schema:
          type: string
      requestBody:
        required: true
        content:
          multipart/form-data:
            schema:
              type: object
              properties:
                schema:
                  type: string
                  description: Optional JSON schema describing column types.
                data:
                  type: string
                  format: binary
                  description: CSV file payload.
      responses:
        '200':
          description: Import completed.
          content:
            text/plain:
              schema:
                type: string
            application/json:
              schema:
                type: object
        '400':
          description: Invalid CSV or request.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
      tags:
      - Imp
components:
  schemas:
    Error:
      type: object
      properties:
        query:
          type: string
        error:
          type: string
        position:
          type: integer
  securitySchemes:
    basicAuth:
      type: http
      scheme: basic
      description: HTTP Basic Authentication (QuestDB Enterprise).