Swapstack - Swapstack, now acquired by beehiiv! Check out what we're doing over at beehiiv's incredible ad network: https://www.beehiiv.com/features/ad-network/brands and come thrive with the hiiv!

Stripe - Online payment processing for internet businesses. Stripe is a suite of payment APIs that powers commerce for online businesses of all sizes. Use Stripe’s payment platform to accept and process payments online for easy-to-use commerce solutions.

PEAR - Connecting newsletters and advertisers 🍐

SuperPay - Get paid faster with your own custom payments page

LetterWell - Buy and sell ad space in email newsletters

PayPal - PayPal is the faster, safer way to pay online without sharing financial details, send and receive money or accept credit and debit cards as a seller