Server SDKs

Castle integrations with many common app environments and languages. Below is the list of officially supported server SDKs and where to download them

📘

Can't find your language or framework? Don't hesitate to reach out

Repositories

cURL

Sometimes it's easier to first run a simple cURL example. In the example below, replace YOUR_API_SECRET with the one from your settings, and optionally replace the test request token test|device:firefox_on_windows with a real one generated by your client SDK.

curl --location --request POST 'https://api.castle.io/v1/filter' \
-u ':YOUR_API_SECRET' \
--header 'Content-Type: application/json' \
--data-raw '{
   "type": "$registration",
   "status": "$attempted",
   "request_token": "test|device:firefox_on_windows",
   "context":{
      "ip":"211.96.77.55",
      "headers":[
         ["User-Agent", "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/14.1.1 Safari/605.1.15"],
         ["Accept-Encoding","gzip, deflate, br"],
         ["Accept-Language", "en-us"],
         ["Accept","text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8"],
         ["Connection","close"],
         ["Host","castle.io"]
      ]
   },
   "user":{
      "email":"[email protected]",
      "phone":"+16175551212"
   }
 }'

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