I don’t have purchase receipt with me

Hello Thomas2580,

Thanks for choosing the Apple Support Communities. We see you are interested in purchasing AppleCare+ for your AirPods. This can be done without a purchase receipt if your device is eligible. To do this, please select your device and follow the instructions in the link below:

Buy an AppleCare plan - Apple Support

"f you don't see AppleCare+ coverage available, check to make sure that your device is eligible.

Not all products and buying options are available in all countries or regions.

What's covered?

Learn what services and support are covered by an AppleCare plan

Learn more

• If you still need help buying an AppleCare plan, contact Apple Support.
• In most countries and regions, you can buy AppleCare+ within 60 days of your device purchase. In Japan, you can buy AppleCare+ within 30 days of your device purchase. In China mainland, you can buy AppleCare+ on your device within 7 days of your device purchase or in an Apple Store within 60 days of your device purchase. (At the Apple Store, you'll need to bring your proof of purchase, and we'll inspect the device.)
• In some countries and regions, you can buy an AppleCare Protection Plan within 1 year of your purchase of an eligible Mac, Apple TV, or other device."

We hope this helps.

Cheers!