Check out the Hasenkorn Public Holidays API.
Handwriting recognition for Chinese from online dictionary Zhonga.ru. Every day thousands of our visitors use character recognition and are very happy with the accuracy of recognized results. You can see a working example on www.zhonga.ru (just click the button with a pen icon and draw something in Chinese). Recognition for English and Japanese are coming soon (if you need these languages please let us know in the issues).
Connect to API