You idea is known as a product comparison engine. When you sign up for an Amazon referral account it's one of the options. It's also similar to the CamelCamelCamel website. You might want to start with https://rainforestapi.com/ they have a hobbyist price tier. Getting access to all the data will be a big challenge, look at the stores and see if they have a product API. Source: over 3 years ago

I thought this would be easy using any of the email marketing tools out there like Resend or Loops, but this was not the case. All of the available tools shockingly handle campaigns at a user instead of organization level. - Source: dev.to / 8 months ago

Previously, I used Loops.so to send out newsletters. However, it involved the tedious task of reformatting the blog post within their campaign editor and re-uploading all media. - Source: dev.to / almost 2 years ago

We have two members with substantial followings, so we designed a landing page for a waitlist in Figma. Implementing in Next.js, hosted on Vercel and integrated with Loops.so, allowed us to efficiently control the design and UX and ramp up a successful pre-launch campaign. - Source: dev.to / about 2 years ago

Email: https://loops.so - loving them! - Source: Hacker News / over 2 years ago

This came to life by scratching my own itch configuring domain/DKIM, DMARK, SPF, ... For my work email, and not wanting to go through it again to configure the email generated when using https://loops.so and similar. I'm starting up and for the foreseeable future, using my personal email to send emails on behalf of my SaaS is perfectly fine. With that, I still wanted to be able to be sending out rich HTML emails,... - Source: Hacker News / over 2 years ago