DATPAQ

DATPAQ VAT Validation And Rates API

VAT number validation, VAT rates by country, and VAT price calculation

GitHub OpenAPI

Operations 10

GET /vat-validation-and-rates/validate Validate a VAT number #
GET /vat-validation-and-rates/validate/{vatNumber} Validate a VAT number from the URL path #
POST /vat-validation-and-rates/validate-batch Validate up to 50 VAT numbers #
GET /vat-validation-and-rates/validate-batch Validate up to 50 comma-separated VAT numbers via GET #
GET /vat-validation-and-rates/calculate Calculate VAT for an amount #
POST /vat-validation-and-rates/calculate-batch Calculate VAT for multiple amounts #
GET /vat-validation-and-rates/calculate-batch Calculate VAT for multiple amounts via GET #
GET /vat-validation-and-rates/rates/{countryCode} Get VAT rates for a country #
GET /vat-validation-and-rates/rates/countries List countries with VAT rate data #
GET /vat-validation-and-rates/catalog List supported countries, categories, and limits #

Specifications

⚙
OpenAPI
https://artifacts.apis.io/datpaq-com/openapi/datpaq-com-vat-validation-and-rates-api-openapi.yml

Schemas & Data

📊
JSONSchema
https://artifacts.apis.io/datpaq-com/json-schema/datpaq-com-generic-success-schema.json

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OpenAPI Specification

datpaq-com-vat-validation-and-rates-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  title: Datpaq Com VAT Validation And Rates API
  version: 1.1.0
  contact:
    name: Datpaq Support
    url: https://datpaq.com
  license:
    name: Proprietary
  description: 'Operations tagged VAT Validation And Rates 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: VAT Validation And Rates
  description: VAT number validation, VAT rates by country, and VAT price calculation
paths:
  /vat-validation-and-rates/validate:
    get:
      tags:
      - VAT Validation And Rates
      operationId: vatValidationAndRatesValidate
      summary: Validate a VAT number
      parameters:
      - name: vatNumber
        in: query
        required: true
        description: VAT number with country prefix
        schema:
          type: string
          example: DE123456789
      - name: checkRegistry
        in: query
        required: false
        description: Check live VIES/HMRC registration (default false)
        schema:
          type: boolean
          example: true
      - name: sellerCountryCode
        in: query
        required: false
        description: Seller country code; adds reverseChargeApplicable
        schema:
          type: string
          example: FR
      responses:
        '200':
          description: Success
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/GenericSuccess'
              example:
                success: true
                valid: true
                normalized: DE123456789
                countryCode: DE
                nationalNumber: '123456789'
                country: Germany
                rates:
                  standard: 19
                  reduced:
                  - 7
                  superReduced: null
                  parking: null
                  zero: null
                  currency: EUR
                meta:
                  correlationId: req_abc123
                  timestamp: '2026-08-30T00:00:00.000Z'
                  processingTime: 4ms
        '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
  /vat-validation-and-rates/validate/{vatNumber}:
    get:
      tags:
      - VAT Validation And Rates
      operationId: vatValidationAndRatesValidateNumber
      summary: Validate a VAT number from the URL path
      parameters:
      - name: vatNumber
        in: path
        required: true
        description: VAT number with country prefix
        schema:
          type: string
          example: DE123456789
      - name: checkRegistry
        in: query
        required: false
        description: Check live VIES/HMRC registration (default false)
        schema:
          type: boolean
          example: true
      responses:
        '200':
          description: Success
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/GenericSuccess'
        '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
  /vat-validation-and-rates/validate-batch:
    post:
      tags:
      - VAT Validation And Rates
      operationId: vatValidationAndRatesValidateBatch
      summary: Validate up to 50 VAT numbers
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
              - vatNumbers
              properties:
                vatNumbers:
                  type: array
                  description: JSON array or comma-separated VAT numbers (1-50)
                  items: {}
                checkRegistry:
                  type: boolean
                  description: Check live VIES/HMRC registration (default false)
      responses:
        '200':
          description: Success
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/GenericSuccess'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '429':
          $ref: '#/components/responses/RateLimited'
        default:
          $ref: '#/components/responses/ServiceUnavailable'
    get:
      tags:
      - VAT Validation And Rates
      operationId: vatValidationAndRatesValidateBatchGet
      summary: Validate up to 50 comma-separated VAT numbers via GET
      parameters:
      - name: vatNumbers
        in: query
        required: true
        description: Comma-separated VAT numbers (1-50)
        schema:
          type: string
          example: DE123456789,FR40303265045
      - name: checkRegistry
        in: query
        required: false
        description: Check live VIES/HMRC registration (default false)
        schema:
          type: boolean
          example: true
      responses:
        '200':
          description: Success
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/GenericSuccess'
              example:
                success: true
                summary:
                  totalProcessed: 2
                  valid: 2
                  invalid: 0
                results:
                - index: 0
                  vatNumber: DE123456789
                  valid: true
                  normalized: DE123456789
                  countryCode: DE
                  nationalNumber: '123456789'
                  country: Germany
                - index: 1
                  vatNumber: FR40303265045
                  valid: true
                  normalized: FR40303265045
                  countryCode: FR
                  nationalNumber: '40303265045'
                  country: France
                meta:
                  correlationId: req_abc123
                  timestamp: '2026-08-30T00:00:00.000Z'
                  processingTime: 8ms
        '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
  /vat-validation-and-rates/calculate:
    get:
      tags:
      - VAT Validation And Rates
      operationId: vatValidationAndRatesCalculate
      summary: Calculate VAT for an amount
      parameters:
      - name: amount
        in: query
        required: true
        description: Positive amount
        schema:
          type: number
          example: 100
      - name: countryCode
        in: query
        required: true
        description: Two-letter country code
        schema:
          type: string
          example: DE
      - name: category
        in: query
        required: false
        description: 'Rate category: standard (default), reduced, reduced2, superReduced, parking, or zero'
        schema:
          type: string
          example: reduced
      responses:
        '200':
          description: Success
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/GenericSuccess'
        '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
  /vat-validation-and-rates/calculate-batch:
    post:
      tags:
      - VAT Validation And Rates
      operationId: vatValidationAndRatesCalculateBatch
      summary: Calculate VAT for multiple amounts
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
              - conversions
              properties:
                conversions:
                  type: array
                  description: JSON array of {"amount","countryCode","category"} objects
                  items: {}
      responses:
        '200':
          description: Success
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/GenericSuccess'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '429':
          $ref: '#/components/responses/RateLimited'
        default:
          $ref: '#/components/responses/ServiceUnavailable'
    get:
      tags:
      - VAT Validation And Rates
      operationId: vatValidationAndRatesCalculateBatchGet
      summary: Calculate VAT for multiple amounts via GET
      parameters:
      - name: conversions
        in: query
        required: true
        description: JSON-encoded array of {"amount","countryCode","category"} objects
        schema:
          type: string
          example: '[{"amount":100,"countryCode":"DE"}]'
      responses:
        '200':
          description: Success
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/GenericSuccess'
        '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
  /vat-validation-and-rates/rates/{countryCode}:
    get:
      tags:
      - VAT Validation And Rates
      operationId: vatValidationAndRatesRates
      summary: Get VAT rates for a country
      parameters:
      - name: countryCode
        in: path
        required: true
        description: Two-letter country code
        schema:
          type: string
          example: DE
      responses:
        '200':
          description: Success
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/GenericSuccess'
        '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
  /vat-validation-and-rates/rates/countries:
    get:
      tags:
      - VAT Validation And Rates
      operationId: vatValidationAndRatesRateCountries
      summary: List countries with VAT rate data
      responses:
        '200':
          description: Success
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/GenericSuccess'
        '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
  /vat-validation-and-rates/catalog:
    get:
      tags:
      - VAT Validation And Rates
      operationId: vatValidationAndRatesCatalog
      summary: List supported countries, categories, and limits
      responses:
        '200':
          description: Success
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/GenericSuccess'
        '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
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:
    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