received an email for the purchase with my apple id. that I didn't do.

Has your credit card been charged? Are you sure the message is legitimate? Does it contain a link for you to sign in somewhere? It may be a scam. Check your purchases history.

Purchase History Review.  

Apple will always address you by your name or the name they have on file for you, not Dear Customer, Dear Client or by using your e-mail address.  The e-mail will be from @apple.com or @iTunes.com. E-mail addresses can be spoofed. You can go to Mail/View/Message/Show all Headers to see more. Apple emails won't have poor grammar/misspellings. Apple e-mails will never contain an attachment. Apple will never request personal information by email such as Social Security numbers, your Mother’s maiden name or full credit card numbers . 

The only exception to the above I have noticed is if you order something from the Apple Store (apple.com), your receipt will be addressed to Dear Apple Customer. That is a receipt for a purchase you initiated.

Avoid phishing emails, fake ‘virus‘ alerts, phony support calls, and other scams.   

Identifying legitimate emails from the iTunes Store.     

Send the e-mail to Apple as an attachment to a new e-mail before deleting it. You can forward as an attachment by going to Mail/Message/Forward as attachment. Or control - click on the email and select Forward as attachment. Make sure you send it as an attachment to a new email. If you just forward it, it will probably be rejected. You won’t receive a response.

reportphishing@apple.com

afsanehsami Said:

“received an email for the purchase with my apple id. that I didn't do.: Where to call to report that someone used my apple id to purchase something?”

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Is this Item in your iTunes Library?

No one likely used your Apple ID. Being unexpected, this phone call seems like no more than a scam. If you made no purchase, and it does not show up in your Library, then it is obviously a scam.

Report this Call to Apple:

That call you have described is a scam. So, take a screenshot of that phone number and send it off to Apple.

Go Here: Take a Screenshot on your iPhone - Apple Support

Forward the screenshot to: reportphishing@apple.com

Learn More Here:

• Detect and Block Spam Phone Calls - Apple Support
• Recognize and Avoid Phishing Message, Phony Support Calls, and Other Scams Apple Support
• (In the US. Only): Report Phishing Scam Calls at www.ftccomplaintassistant.gov

Secure Your Apple Account:

Did you provide any information? Did you interact in any manor whatsoever? If so, being Security & Privacy would be of High-Concern here, most certainly consider modifying your credentials — Immediately. Preforming the following is best at this point.  So, Consider...

• Modifying: your login credentials (using both a New eMail and a New Password) for Apple and each and all sites
• Associating: a different method of payment to your account
• Enabling: Two-Factor Authentication for Apple ID and for all other accounts that have such an applicable option