A key is a string (without white spaces) to identify a user. It is something like this.
09abd094f045e70e3e5ce8dd87fd5d44234343f1
One key has basically two features. Total bought credits number and Total left credits number.
Want a key with some free credits for testing? Contact us.
Task Id
A task id is a number for identifying a captcha submission. It is returned when submitting
captcha and it is used when sending correctness to server.
Vendor key
Vendor key can be used in your software if your are a software vendor. With this key, you
can know how many captchas are submitted to our server by your software and so get your profit
sharing from our partnership program.
Want to get a vendor key and join our partnership program? Contact us.