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APIstax
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AI Impact Score 95/100 · A
APIstax provides structured information for AI assistants via an llms.txt file. Industry: Developer Tools. The website apistax.io provides its llms.txt at https://apistax.io/llms.txt. Listed since 27 November 2025.
llms.txt address
https://apistax.io/llms.txt
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# APIstax
> APIstax provides secure, reliable REST APIs (HTML to PDF, Swiss QR Invoice, EPC QR, VAT validation, geocoding, barcodes, and more). Built and hosted in Austria.
## Key Information
* All APIs use JSON requests/responses and are documented via OpenAPI.
* Dashboard / account management available at [https://app.apistax.io](https://app.apistax.io).
## Available APIs
* **HTML to PDF**: Generate PDF files using HTML content as request payload. [https://apistax.io/docs/html-to-pdf](https://apistax.io/docs/html-to-pdf)
* **EPC QR Code**: Generate EPC QR Codes to use it on your invoices and payment requests. [https://apistax.io/docs/epc-qr-code](https://apistax.io/docs/epc-qr-code)
* **Swiss QR Invoice**: Generate Swiss QR bills to use it on your invoice documents. [https://apistax.io/docs/swiss-qr-invoice](https://apistax.io/docs/swiss-qr-invoice)
* **Invoice PDF**: Create beautiful PDF invoices just from JSON data with valid e-invoice data included [https://apistax.io/docs/invoice-pdf](https://apistax.io/docs/invoice-pdf)
* **VAT Verification**: Validate VAT numbers for EU countries, Switzerland, Norway, Iceland and United Kingdom. [https://apistax
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