Conversor IAE CNAE
Spanish IAE/CNAE tax activity codes, 2009→2025 crosswalk and AEAT obligations
- Authentication
- API Key
- HTTPS
- Yes
- CORS
- No
- Category
- Government
- Documentation / URL
- https://www.conversoriaecnae.es/api/v1/docs
Overview
Conversor IAE CNAE provides Spanish tax codes — key-based.
⚠️ Status (verified 2026-08): a guessed path returned HTTP 404 (HTML) — the route paths differ. Check the docs for valid routes.
What it provides
curl "https://www.conversoriaecnae.es/api/v1/codes?key=YOUR_KEY"Notes
- IAE/CNAE crosswalk.
- Route paths per the docs.
FAQ
Is Conversor IAE CNAE free? Key-based with a free tier per the docs.
Why 404? Our 2026-08 guess path was wrong (verified) — check the docs.
What does it return? Tax code data.
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