Payhip is a solid eCommerce platform having many nice features that can help you jumpstart your online store. Not to forget that it has a perpetual free tier. Also, the free plan is not limited by features!
But, if you want a branded eCommerce store – Payhip will disappoint you. It does not support custom domains for your shop.
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
Sellfy - Sellfy is an easy to use but powerful e-commerce platform where you can sell digital, print on demand or subscription products. Use a Sellfy storefront to create a beautiful online store or embed a Sellfy shopping cart to your own website.
Razorpay - Payment gateway solution for India with robust, developer friendly API and simple economic pricing.
Gumroad - An all-in-one solution to sell your work and grow your audience.
Amazon Pay - Amazon Pay is an online payment service that makes checkout on your site fast and secure for hundreds of millions of Amazon customers around the world.
WooCommerce - A freely available eCommerce plugin that enables shop facilities on your WordPress website. Functionality enabling extensions & beautiful themes available.