The one with getdelta.io is different, it returned HTTP 404, which "indicates that the origin server did not find a current representation for the target resource or is not willing to disclose that one exists.". Source: about 1 year ago

This is absolutely killing me (https://quailhq.com) -- I've got hundreds of antique stores trying to get us on the phone, all wanting to know why their card readers have suddenly stopped working. It's going to be a long, long day. - Source: Hacker News / 10 months ago

Two of these (plus another, Price Parrot, that I forgot to include: https://sandpiperhq.com/pricing !), are spin-outs of a side-project (https://quailhq.com) that I started in 2014and that I've been working on for 7 years -- and that became my full-time job in 2021. That one definitely isn't a failure! The five (six including Price Parrot) are just the failures from this year. I try to live by "fail fast"! - Source: Hacker News / over 2 years ago

I offer phone support for a niche accounting app (https://quailhq.com), and everything in this article rings 112% true to me -- but especially this: > ...all sorts of people call you, and I’ve really learned a lot by talking with users directly on the phone. Sometimes users call me because they want to report a bug, or they've forgotten their email address. Sometimes they want business advice (!), or they have a... - Source: Hacker News / almost 3 years ago

Source: juggled a SaaS side-project https://quailhq.com and a full-time engineering job (Palantir) for years; am now full-time self-employed on the SaaS at roughly the same income I had from the job. Source: almost 3 years ago