Conversor IAE CNAE API alternatives

Spanish IAE/CNAE tax activity codes, 2009→2025 crosswalk and AEAT obligations. If it doesn't fit your project, here are the 10 best free Government APIs to use instead in 2026, out of 125 in the directory.

For reference, Conversor IAE CNAE API: HTTPS.

1
Bidledger API
Online · 279 ms
Every open public tender in the European Union, rebuilt daily from the official TED data.
- No API key needed
- Fast: 279 ms response
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS
2
Ayes and Noes API
Online · 526 ms
UK House of Commons MPs, parties and recorded votes.
- No API key needed
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS
3
Brazil API
Online · 504 ms
Community driven API for Brazil Public Data.
- No API key needed
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS
4
Election API
Online · 962 ms
Source-linked U.S. election and civic records with coverage limits.
- No API key needed
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS
5
EU VAT Rates by Commodity Code API
Online · 989 ms
EU VAT rates mapped to CN and CPA commodity codes, all 27 member states.
- No API key needed
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS
6
India LGD Index API
Online · 607 ms
Free, keyless Indian states, districts, sub-districts and development blocks with LGD codes.
- No API key needed
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS
7
Indian Mandi Prices API
Online · 549 ms
Free, keyless daily wholesale mandi prices for 5 Indian states, sourced from data.gov.in.
- No API key needed
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS
8
MORVS API
Online · 559 ms
Source-linked US regulatory and public records: SEC filings, enforcement actions, recalls.
- No API key needed
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS
9
Open Government, Poland API
Online · 982 ms
Poland Government Open Data. A free government API by Otwarte Dane.
- No API key needed
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS
10
Open Government, Portugal API
Online · 864 ms
Portuguese open public data portal: download, share and reuse open data from the State and local authorities.
- No API key needed
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS

Conversor IAE CNAE API vs alternatives

Conversor IAE CNAE API compared with its alternatives
API	API key	HTTPS	CORS	Uptime	Response	Rating
Conversor IAE CNAE	Required	Yes	No	Up	1807 ms	Not rated
Bidledger	No	Yes	Yes	Up	279 ms	Not rated
Ayes and Noes	No	Yes	Yes	Up	526 ms	Not rated
Brazil	No	Yes	Yes	Up	504 ms	Not rated
Election	No	Yes	Yes	Up	962 ms	Not rated
EU VAT Rates by Commodity Code	No	Yes	Yes	Up	989 ms	Not rated
India LGD Index	No	Yes	Yes	Up	607 ms	Not rated
Indian Mandi Prices	No	Yes	Yes	Up	549 ms	Not rated
MORVS	No	Yes	Yes	Up	559 ms	Not rated

Conversor IAE CNAE API alternatives FAQ

What is the best free alternative to the Conversor IAE CNAE API in 2026?

The top-ranked free alternatives to the Conversor IAE CNAE API are Bidledger API, Ayes and Noes API and Brazil API, all in the Government category. Rankings combine access (API key, HTTPS, CORS), daily uptime checks and developer ratings.

Is there a Conversor IAE CNAE API alternative that doesn't need an API key?

Yes: Bidledger API, Ayes and Noes API and Brazil API work without an API key, unlike the Conversor IAE CNAE API, which uses apiKey authentication.

Is there a Conversor IAE CNAE API alternative I can call from the browser?

Bidledger API, Ayes and Noes API and Brazil API support CORS, so front-end JavaScript can call them directly.

How many Government APIs are similar to the Conversor IAE CNAE API?

The directory lists 125 other free Government APIs. This page compares the top ones side by side.