Conversor IAE CNAE
FreemiumLiveLast verified 24 Sept 2026
Spanish IAE/CNAE tax activity code lookup and crosswalk, sourced from AEAT, INE and BOE.
Example request
curl -H 'X-API-Key: $API_KEY' https://www.conversoriaecnae.es/api/v1/iae/501.3
Free tier, in plain English
Free plan gives 250 calls a day forever, enough to test before upgrading to a paid tier for production traffic.
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