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Government
Contratero API
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Contratero API is a free Government API that requires apiKey authentication, is served over HTTPS and does not support CORS, so it should be called from a server.
- Authentication
- apiKey
- HTTPS
- Yes
- CORS
- No
- Category
- Government
- Uptime (30 days)
- 100%
Visit documentation ↗contratero.es
Online · 1930 msTested Nov 15, 2026 · checked dailyIs it down? Status & uptime
About Contratero
- Provider
- Contratero
- Website
- contratero.es ↗
Details from contratero.es.
Key facts
- 100% uptime (30 days)
- HTTPS
Unified API suite · now live
Geocode an address, validate an email, track a flight or pull stock data with one account, one dashboard and one API key.
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Ratings & reviews
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Contratero API FAQ
Who provides the Contratero API?
The Contratero API is provided by Contratero (contratero.es).
Is the Contratero API free?
Yes. The Contratero API is listed in the Government category of the public-apis directory, which only includes APIs that are free or have a free tier. Check its documentation for rate limits and paid plans.
Does the Contratero API require an API key?
Yes. The Contratero API uses apiKey authentication, so you need to register for credentials before making requests.
Can I call the Contratero API from the browser?
Not directly. The Contratero API does not allow CORS, so call it from a server, serverless function or proxy instead of front-end JavaScript.
Does the Contratero API support HTTPS?
Yes. The Contratero API is served over HTTPS, so it's safe to use in production.
Maintain the Contratero API? Add a badge
Show that Contratero is listed on Public APIs. The badge displays its developer rating once it has one.
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