We need to write a Python API to bypass a captcha and scrap data from a web site

We need to write an API to scrap data from following url:

When we send a tracking code to the API by post method, the python code will send tracking code to above url (yellow text field) and fetch tracking result.

example tracking number: LW236921973CN

When submit to API,

Please send the result in JSON format to request client.

Here are some more example code for test purpose:
CY008445045CN