Ambolt

Ambolt VAT API

The VAT API from Ambolt — 1 operation(s) for vat.

Documentation GitHub OpenAPI

Operations 1

GET /v1/eu-vat-validate EU VAT Number Validator #

Specifications

⚙

OpenAPI

https://artifacts.apis.io/ambolt-dev/openapi/ambolt-dev-vat-api-openapi.yml

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OpenAPI Specification

openapi: 3.2.0
info:
  title: Ambolt data tools VAT API
  version: 0.1.1
  description: Pay-per-call data endpoints using the x402 protocol (USDC on Base, Polygon and Solana). Failed calls are not charged.
  x-guidance: 'Call GET /v1/<tool> with the documented query parameters. Without payment the response is 402 with the price and payment requirements; an x402 client pays in USDC and retries. Add free=1 for one free call per tool and IP per day. Company, tender, document, rates, on-chain and web tools; every response carries source and date. The same tools are available as MCP tools at /mcp (free, 30 requests a minute) and as Apify Actors. Company-level data only: no personal data.'
  contact:
    email: hello@ambolt.dev
    url: https://ambolt.dev
servers:
- url: https://api.ambolt.dev
security: []
tags:
- name: Vat
paths:
  /v1/eu-vat-validate:
    get:
      operationId: eu_vat_validate
      summary: EU VAT Number Validator
      description: Check whether an EU VAT number is valid and active. Returns validity, registered name and address where the member state publishes them.
      tags:
      - Vat
      parameters:
      - name: vat
        in: query
        required: true
        schema:
          type: string
          maxLength: 20
          description: VAT number with country prefix, e.g. DK10150817. Spaces and dots are ignored. Greece uses EL, Northern Ireland XI.
        description: VAT number with country prefix, e.g. DK10150817. Spaces and dots are ignored. Greece uses EL, Northern Ireland XI.
      - name: free
        in: query
        required: false
        schema:
          type: string
          enum:
          - '1'
        description: Set to 1 for one free call per tool and IP address per day (no payment).
      x-payment-info:
        price:
          mode: fixed
          currency: USD
          amount: '0.003000'
        protocols:
        - x402: {}
      responses:
        '200':
          description: Result (JSON). Every result names its source and the time it was read.
          content:
            application/json:
              schema:
                type: object
        '400':
          description: Invalid input; not charged.
        '402':
          description: 'Payment required: 0.003 USD in USDC (x402 v2).'