The Safe Creative API can sometimes send your application different notifications through your callback URL, which you can enter when you request you API keys (or edit at any moment once your API key has been activated).

The callback is signed with the private key associated to your shared key and is ztime-stamped so you can verify the authenticity of the call. It's recommeded to define the callback url as https.

API callbacks have the following syntax:

{your callback URL}?component=...&ztime=...&param1=value1...&signature=...

where component is the notification "type" or source.

Notification of a work state change

{your callback URL}?code=0907240000817&component=workstate&date=1248523203872&state=REGISTERED&signature=b43f1942381b9ea77449932478e488e4ff43a244

code: is the work code
component: is the notification "type" or source
date: serial timestamp, we'll change this to ztime on the next update
state: can be PREREGISTERED or REGISTERED
signature: is the sha1 of the sorted parameters (like the requests). The private key is the pair of the shared key.

User personal data modified ?authkey=5ykfbzoe5h6viy88texq7gay2 &component=user &date=20090709121016 &mail=sholmes%40baker.fake &state=modified &usercode=0907090000074 &signature=4a58bf48d67c67ed18bf1cff6a5208c060085938

API callbacks

Notification of a work state change

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