How to get authentication token for Google Custom Search Engine?

Question

I am trying to create a Google search engine software. So I have to send a GET request as described in this link.

https://developers.google.com/custom-search/docs/api

GET http://www.google.com/cse/api/<USER_ID>/cse/<CSE_ID>
Authorization: GoogleLogin auth=IM6F7Cx2fo0TAiwlhNVdSE8Ov8hw6aHV 

Here they mentioned an authentication token. How can i get this?

Answer 1

From the page you linked to Custom Search - Authentication

Although the account authentication API supports several authentication methods, custom search only supports ClientLogin

Answer. You get an access token from the client input.

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Answer 2

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Answer 3

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