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OpenAPI Specification

openapi: 3.2.0
info:
  title: Datpaq Com Unit Conversion API
  version: 1.1.0
  contact:
    name: Datpaq Support
    url: https://datpaq.com
  license:
    name: Proprietary
  description: 'Operations tagged Unit Conversion across 2 of this provider''s published API definitions: datpaq-com.yaml, datpaq-com-openapi.yaml. Each path carries the servers of the definition it was published in.'
servers:
- url: https://datpaq.com/api/v1
  description: Production
- url: https://staging.datpaq.com/api/v1
  description: Staging
security:
- ApiKeyHeader: []
- ApiKeyQuery: []
tags:
- name: Unit Conversion
  description: Unit conversion across 100+ measurement types
paths:
  /unit-conversion/convert:
    get:
      tags:
      - Unit Conversion
      operationId: unitConvertGet
      summary: Convert a value between units
      description: Supports 100+ unit types across length, weight, temperature, volume, area, speed, digital storage, and time. Converts value from source unit to target unit.
      parameters:
      - name: from
        in: query
        required: true
        description: Source unit identifier (e.g. kg, lb, m, degC, km/h)
        schema:
          type: string
          example: kg
      - name: to
        in: query
        required: true
        description: Target unit identifier
        schema:
          type: string
          example: lb
      - name: value
        in: query
        required: true
        schema:
          type: number
          example: 10
      - name: precision
        in: query
        required: false
        description: Decimal places in result (0-15)
        schema:
          type: integer
          minimum: 0
          maximum: 15
          default: 4
      responses:
        '200':
          description: Conversion result
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/GenericSuccess'
              example:
                from: cm
                to: in
                value: 100
                result: 39.37
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '429':
          $ref: '#/components/responses/RateLimited'
        default:
          $ref: '#/components/responses/ServiceUnavailable'
    post:
      tags:
      - Unit Conversion
      operationId: unitConvertPost
      summary: Convert a value between units (POST)
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
              - from
              - to
              - value
              properties:
                from:
                  type: string
                  example: kg
                to:
                  type: string
                  example: lb
                value:
                  type: number
                  example: 10
                precision:
                  type: integer
                  minimum: 0
                  maximum: 15
            example:
              value: 100
              from: meters
              to: feet
              precision: 2
      responses:
        '200':
          description: Conversion result
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/GenericSuccess'
              example:
                from: cm
                to: in
                value: 100
                result: 39.37
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '429':
          $ref: '#/components/responses/RateLimited'
        default:
          $ref: '#/components/responses/ServiceUnavailable'
    servers:
    - url: https://datpaq.com/api/v1
      description: Production
    - url: https://staging.datpaq.com/api/v1
      description: Staging
  /unit-conversion/categories:
    get:
      tags:
      - Unit Conversion
      operationId: unitCategories
      summary: List available measurement categories
      responses:
        '200':
          description: Category list
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/GenericSuccess'
              example:
                success: true
                categories:
                - length
                - mass
                - temperature
                - area
                - volume
                - speed
                - time
                - data
                count: 8
        '401':
          $ref: '#/components/responses/Unauthorized'
        '429':
          $ref: '#/components/responses/RateLimited'
        default:
          $ref: '#/components/responses/ServiceUnavailable'
    servers:
    - url: https://datpaq.com/api/v1
      description: Production
    - url: https://staging.datpaq.com/api/v1
      description: Staging
  /unit-conversion/units/{category}:
    get:
      tags:
      - Unit Conversion
      operationId: unitsByCategory
      summary: List units available in a category
      parameters:
      - name: category
        in: path
        required: true
        description: Measurement category (e.g. length, weight, temperature)
        schema:
          type: string
          example: length
      responses:
        '200':
          description: Unit list for the category
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/GenericSuccess'
              example:
                success: true
                category: length
                units:
                - meters
                - feet
                - miles
                - kilometers
                - inches
                - centimeters
                - yards
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
        '429':
          $ref: '#/components/responses/RateLimited'
        default:
          $ref: '#/components/responses/ServiceUnavailable'
    servers:
    - url: https://datpaq.com/api/v1
      description: Production
    - url: https://staging.datpaq.com/api/v1
      description: Staging
components:
  schemas:
    ErrorResponse:
      type: object
      properties:
        error:
          type: string
          description: Human-readable error message
          example: Invalid API key
        correlationId:
          type: string
          description: Request tracking identifier for support
          example: abc123-def456-789ghi
        service:
          type: string
          description: Service name that produced the error
          example: ip-geolocation
    GenericSuccess:
      type: object
      description: Standard success envelope. The data property structure varies by endpoint.
      properties:
        correlationId:
          type: string
          description: Request tracking identifier
          example: abc123-def456
        data:
          type: object
          description: Response payload (structure varies by endpoint)
        cached:
          type: boolean
          description: Whether the response was served from cache
          example: false
  responses:
    NotFound:
      description: Resource not found
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
    BadRequest:
      description: Bad request — missing or invalid parameters
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
    RateLimited:
      description: Rate limit exceeded — retry after the indicated period
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
    ServiceUnavailable:
      description: Service temporarily unavailable
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
    Unauthorized:
      description: Unauthorized — missing or invalid API key
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
  securitySchemes:
    ApiKeyHeader:
      type: apiKey
      in: header
      name: x-api-key
      description: API key passed via x-api-key request header
    ApiKeyQuery:
      type: apiKey
      in: query
      name: api_key
      description: API key passed as api_key query parameter
x-refined-from:
- datpaq-com.yaml
- datpaq-com-openapi.yaml