We spoke with Jason Kuperberg, co-founder at HyperWrite, about how Mercury Bill Pay has helped his company save valuable time on bill payments.
Feature: Mercury Bill Pay
Company: HyperWrite (OthersideAI)
Co-founder: Jason Kuperberg
What they’re building: A generative AI lab that uses advanced AI models to build user-friendly tools for the everyday person.
This interview has been lightly edited for clarity.
What’s your company’s elevator pitch?
OthersideAI is a generative AI lab that uses advanced AI models to build user-friendly tools, allowing the everyday person to benefit from AI without having to know how to code.
HyperWrite is the biggest way we do that. It’s an AI writing and research platform that helps millions of people write more effectively, create drafts faster, and research more efficiently.
How does your product work?
With many popular AI tools, like ChatGPT or Claude, a user has to write really specific instructions for what they want the AI to do, which is called prompting or prompt engineering. With HyperWrite, we handle all the prompting so that a user can just enter their request and press a button. HyperWrite also includes functions like the ability to search through academic papers and web sources, which it can cite in its responses.
We were also the first to release an agentic AI system that can actually use your browser and interact with web applications to follow your workflows rather than just write or provide ideas. It can perform tasks autonomously based on your recorded workflows, whether that means writing and posting a tweet for you or paying a bill on Mercury.
What was your experience using bill pay tools before Mercury?
Paying bills used to be tedious. I’d have to manually copy and paste details and then double-check everything myself. A lot of the financial institutions that have been around for a while are resistant to change and haven't adapted to the needs of tech-first founders. We want our banking provider to be great at banking and have a solid track record. If they also create great software, that's a bonus.
How did you come across Mercury Bill Pay?
We have a couple million users now, but we’ve always been very intentional about keeping our team small. Since we started, I’ve handled all of our operations, including bill payments.
We actually started using Mercury during the SVB situation in 2023, even though we’d always heard good things. The Mercury team was incredibly helpful, both during that “crisis” moment and in getting us set up and adapted to the new system.
As a founder with limited time and energy, Mercury Bill Pay is a crucial asset. It automated what used to be a very manual process that required a lot of attention to detail. That’s made it easier for me to juggle day-to-day operations, engineering, and team management, on top of other tasks.
What’s something that surprised you about using the feature?
The best part is just dropping in a PDF invoice and having all the details automatically and accurately pulled out. The scheduling feature is super handy too. Plus, seeing all my past and upcoming bills in one place makes them easy to manage. It's nice to go from 'I have an invoice in my inbox' to 'That's handled and it's going to be paid.’ Our Mercury account also syncs to QuickBooks, which our accountants use.
Overall, we’ve saved a significant amount of time with Mercury Bill Pay.
What kind of bills have you paid with Mercury Bill Pay?
We use it to pay our cloud providers, including AWS. And since we use both a mix of our own in-house AI models as well as models from other top AI labs, we also use it to pay bills to those companies.
One feature I really like about the Mercury Bill Pay flow is that you can plug in your recipient’s email and send them a request to input their own details. It’s been super helpful, especially if the other person is also on Mercury — I’ve used it to pay content creators and contractors.
Mercury