[Mediawiki-api] 403 forbidden when using the API

[Markus Möller]

Hello,

when I try to send an api request I will receive a 403 forbidden error. 
I call the following URL using the PHP file_get_contents method: 
http://de.wikipedia.org/w/api.php?action=opensearch&search=baby&format=xml

When I call exactly the same URL in a browser everything ist fine. I'm a 
little bit confused. Are there any blocked IP addresses?

Best regards
Markus

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