# vatcheckapi.com > Vatcheckapi is a free VAT lookup API. It provides a well designed REST-API that returns all data in JSON-format. - Website: https://vatcheckapi.com/ - Documentation: https://vatcheckapi.com/docs/ - OpenAPI spec: https://vatcheckapi.com/docs/openapi.yaml - Docs llms.txt: https://vatcheckapi.com/docs/llms.txt - Full marketing content: https://vatcheckapi.com/llms-full.txt ## Docs - [API Documentation](https://vatcheckapi.com/docs/): Endpoints, authentication, request/response formats and SDKs. - [OpenAPI 3.1 spec](https://vatcheckapi.com/docs/openapi.yaml): Machine-readable definition of every endpoint. - [MCP server](https://api.vatcheckapi.com/mcp): Hosted Model Context Protocol endpoint — AI agents can call the API as native tools (streamable HTTP, `apikey` header). ## Pricing - [Pricing & Plans | Vatcheckapi.com](https://vatcheckapi.com/pricing/): We believe in fair & transparent pricing. All plans can be upgraded or canceled at any time. ## Product & features - [MCP Server for AI Agents | vatcheckapi.com](https://vatcheckapi.com/mcp/): Connect Claude, Cursor and other AI agents directly to the vatcheckapi API through our hosted MCP (Model Context Protocol) server. - [Sales Tax API | Vatcheckapi](https://vatcheckapi.com/sales-tax-api/): Vatcheckapi also provides a fast and complete sales tax API and calculation engine. - [VAT Lookup & Validation Software ](https://vatcheckapi.com/vat-validation-software/): Vatcheckapi is a free VAT lookup API. It provides a well designed REST-API that returns all data in JSON-format. ## Company - [Contact us | Vatcheckapi.com](https://vatcheckapi.com/contact/) - [Imprint | Vatcheckapi.com](https://vatcheckapi.com/imprint/) - [Privacy Policy | Vatcheckapi.com](https://vatcheckapi.com/privacy-policy/) - [Terms Of Service | Vatcheckapi.com](https://vatcheckapi.com/terms-of-service/)