How to get my Gmail “User ID”? (a number like 1242343543557656)

Question

My company uses a Gmail-based email server. For integration with a partner's system I have been asked for my Gmail "user ID", here is what they wrote:

there are usually two emails associated, one should be nicolas.raout@mycorp.jp, the other one should be userID@mycorp.jp

Searching the web reveals this question on StackOverflow:

How to get Google User ID something which looks like "1242343543557656", using the GMail address in Android?

QUESTION: As a simple web user, how can I get my ID?
Or is there no such thing?

I could not find it at https://myaccount.google.com

Answer 1

You can use your email account in API.

If you have some.user@gmail.com.
You can use that in API instead of userId.

Answer 2

Now deprecated services like Picasa Web Albums used to show the user id on links

From https://support.google.com/picasa/answer/6383491?hl=en

Links that will continue to work

• Links to photos and albums whose URLs use your user ID number (and not your username).
• Links to Public Galleries whose URLs use your user ID number (and not your username).

If you used Picasa Web Albums and shared a link to one of your albums through email or something like that, that could help you to find your user id as a " simple web user".

Reference

• Google Album Archive

Answer 3

PREVIOUSLY:

• Sign in to your AdWords account
• Look in the top right corner of any page.
• Find Customer ID above your email address.

NOWDAYS:

• Sign in to your AdWords account
• Click the help icon in the top right corner.
• Find Customer ID at the bottom of the menu.

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API ID REQUEST: https://developers.google.com/gmail/api/