How I Built CoverLetterGPT and got 200 users/payments in 5 days
Hey Peeps,
So I launched CoverLetterGPT.xyz last week and already passed 200 users with payments coming in simply on a tipping basis 🤯
My goal was always to open-source the code, as the app isn't anything groundbreaking, in my opinion. So I've put a link up to the GitHub repo on the website https://coverlettergpt.xyz
I used the PERN stack; Postgres, Express, React, Node via a full-stack framework called Wasp (https://wasp-lang.dev), which allowed me to build this super quickly thanks to its great DX. I tackled the UI with Chakra-ui (https://chakra-ui.com), and integrated the Stripe API for payments, and of course the OpenAI API for generating the cover letters. The server and Postgres instances are hosted on https://railway.app, which is my favorite way to spin up databases quickly.
All the configuration and setup are explained in the README file on GitHub, but if you have any questions feel free to drop me a line here or on twitter: https://twitter.com/hot_town
Great job, Vince! Your insights are really impressive and it's so cool of you to share them. Although I haven't had a chance to use wasp before, it seems to have a similar feel to Rails, which I absolutely love. I'll definitely give it a try!
Yes, exactly! It's like Rails for the PERN stack. I really love using Wasp because there are so many tedious things I don't have to think about anymore. It takes care of Auth, API routes, Client-side caching, and it's even got one-command deploy. Pretty cool stuff
This is really cool and very insightful, Vince. Thanks for sharing! I haven't used wasp before but it feels very rails-like, which I'm a huge fan of. Definitely going to try it out!
Yep. It definitely is! I love Wasp because it allows me to focus on writing the app's business logic, while it takes care of Auth, routing, caching, deployment... and all the other repetitive boilerplatey work.
Cool setup! I have been looking for some new technologies, gonna check in railway and wasp-lang!
Awesome. They both speed up the developer experience by 10x!
Nice work, wondering what do you think about nextJS as a full stack option with Vercel as the hosting .. seems that NextJS now can be a fast / reliable option
I'm using https://wasp-lang.dev with a full NodeJS/Express server and React client. Wasp allows me to write Typescript with way less boilerplate than I'd get if I used NextJS and implemented API routes and everything. Next is great, but Wasp has better DX in my opinion.
Thanks for sharing!
You're welcome. Let me know what you find useful about it. I'd appreciate it
Congratulations on the successful launch of CoverLetterGPT.xyz! It's great to see that you already have over 200 users with payments coming in. Your decision to open-source the code is also admirable and will be beneficial for those looking to create similar applications. The use of the PERN stack with Wasp framework and Chakra-ui for UI is a smart choice and integrating Stripe and OpenAI APIs is impressive. It's also helpful that you have explained the configuration and setup in the README file on GitHub. Keep up the good work and good luck with future developments!
Cool project! How much is your OpenAI Bill so far?
it's surprisingly low as I'm using 3.5-turbo. Just a few dollars
Round of applause my man. Love to see innovations and tools being created from the new tech.
Thanks, Mr. NoodleShop 🍜
Bewdy, Vince! A super useful application of the technology. Will be cool to see where you take it.
Thanks, Martin. Any tips or ideas?
I was wondering about how it might assist in the other ways folk canvas for work. Like if you have industry experience (perhaps junior, mid or senior levels) and you want to see if there are opportunities with particular companies, making authentic connections with people in a some kind of efficient way is difficult. Even things like writing good connection messages on LinkedIn ... these have probably been touched on elsewhere in this growing thread :)
Pretty cool idea! Congrats on the launch
Are you paying the OpenAI API usage from your own pocket atm?
Awesome!! Does it read the PDF CV? If so, what did you use for PDF parsing?
its on the github link on the website ;)
This is super cool Vince! checking it out
Thank you! Really appreciate it and am surprised at all the positive responses. 🙏
This is clever, have been using ChatGPT to help with cover letters, you’ve made the process so much easier thanks for sharing the code 💪
Awesome! Thanks for the kind words. leave a tip if you feel so inclined 🙏
Awesome product
thanks 🙏. Consider leaving a tip if you got something out of it
What made you decide to do donation based? Really curious about $/transaction and transaction/use stats.
Probably gives some insights into what you could charge, and any information about the users who did pay, give some great info on the demographics to chase!
Anyways, great work and good job shipping fast, hope it continues to do well!
I want to keep it open to encourage early adoption. This way I can also see what percentage of users are willing to pay for it and how much.
The current average tip is $5. Lots of data still rolling in so if it continues to grow I'll share that info in another post.
And thanks for the kind words
Great, those numbers would be quite cool to see!
I'll go toss a RT on twitter, Goodluck!
wow. thank you. Very much appreciated
This is really cool stuff, I especially like the UI. How long did it take you to build it?
The UI itself took about 1 day to create the design system. The whole app took about 4 days from start to launch
This is Amazing! Checking it out!
This is amazing and super helpful. Very impressed on how it read my CV pdf which I downloaded from LinkedIn.
Also, the donation method is a great way to start 🙏🏼
Thanks, Sam! Yeah the pdf parse feature was new for me. That's the first time I implemented it and I'm happy with the results so far :)
This is cool - thanks for sharing! I haven't used Railway, I'll have to check it out.
You're welcome. Yeah, railway is great
great job
This is brilliant. I was using ChatGPT for this exact purpose.
That's awesome. It's interesting to find that some people find it totally useless, and other people who are using ChatGPT for this exact purpose find it useful
As long as you allow the user to feed it with resume, job description and then match the desired skills with those you should have accomplished in your prior jobs, GPT actually writes some really good cover letters. And my girlfriend gotten a response from almost all of her job applications, so it definitely resonated with HR professionals as well.
haha thats great!
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Where's the data though?
in my database :)
So what really happens behind the scene when you pull the slider to "more creative?"
What's going on in terms of prompt?
There's a link to all the github repo on the website! Check it out. if you have any Qs after that, let me know :)
This is awesome. Also love the "witty remark" option. A lot of my members at founders cafe are starting to learn from AI GPT, I guess this is the start of new tech
Thanks 🙏. Yeah I like always having a fun aspect to my projects. And yes, this is definitely the start of a new era of technology
Have to say, the UI looks truly exceptional. Where did you get the idea (for the product) from ?
Thanks! It just seemed like a good application of the openAI api
Design and user interface of this application are truly exceptional. How much time and effort was spent on its development?
3 - 4 days only for the initial launch! I was able to build fast thanks to https://wasp-lang.dev and chakra-ui
Awesome product 👌🔥🔥🔥
Thanks, Tyler. Appreciate it 🙏
Congrats Vince. 🎉
For which feature users are paying?
It's a donation only basis. I just integrated a feature where if a user creates more than 3 coverletters, it prompts a dialog reminding them to tip. Let's see if it has any effect 🤷
Congrats on the launch. I like your domain, btw. It inspired me to consider a ".xyz" domain for a future project.
Also, if you submit CoverLetterGPT on https://www.saashub.com, I can guarantee you a quick approval. I will also nominate it on SaaSHub Experts once submitted.
Thanks! Yeah, I don't think it really matters at this point. It may have negative effects on SEO though. Not sure
Also, why do so many comments feel like they were written with GPT? lol
Yeah, there are quite a few spammy ones. My guess is they're just trying to get enough karma to get access to post priviledges
That's awesome, congrats! How did go about marketing it?
Mostly Reddit, where I have good karma and don't spam often
Well done, Vince! Your observations are quite insightful, and it's awesome of you to share them. Wasp looks to have a similar vibe to Rails, which I adore, even if I haven't had a chance to use it yet.https://santarosadentalslo.com/
Vince, amazing idea and execution! My cofounder and I are building something that goes in a similar direction with https://anthropos.work and would love to connect at some point if you like! We autofill job applications and use GPT as well
Sure thing. Just dm me on twitter :)
Heyy Vince, Congrats on hitting 200 users on CoverLetterGPT.xyz! It's awesome that you're already getting payments on a tipping basis.
Thanks for sharing the GitHub repo link and the tech stack you used. It's cool to see that you built the app quickly with the Wasp framework and Chakra-ui. And integrating the Stripe and OpenAI APIs sounds like a smart move.
Keep up the good work, and best of luck with your future projects! 🔥
🙏
oh wow the great mind set bro
thanks for the kind words 🙏
Amazing Great Job.....
🙏
that is something i was waiting for a long time. Great.
Thanks, Dataman 🙏
That looks amazing and something that I would've definitely used during the process of looking for jobs. I hope it'll help a lot more people! Also goes to show how much is possible through OpenAI's new developments!
Nice. that's great to hear :)
Thank you for open-sourcing it. I've taken a look at how you use ChatGPT and it's given me great insight into how one would actually use it.
I'll definitely utilize this to help my cover letter writing in the future. Cheers!
That's awesome to hear :) Let me know if you have any questions. And if you found it useful, consider leaving a tip 🙏
Great idea, I'm wondering if the response time from OpenAI has been an issue for you by using railway.app (any timeout error)?
Nope. Not that i've seen or that anyone has mentioned yet.
Great! Let's see how it will evolve in a couple of days.
Thanks. Any tips or ideas? What would you, as a user, like to see?
Awesome!@!
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Looks amazing Vince!
I'd love to add this as a resource to our job board, can we chat?
sure!
Got to ask what you think about Railway?
As I wrote in the description, it's the easiest way to set up hosted databases. I often use it in development as well, so I don't have to spin up a docker instance. It's also very cheap. I have quite a few small projects running on Railway and pay only a few bucks a month
Awesome!!
cool! congrats on the launch!
Looks great, congrats! Will definitely check it out
That's great to hear. Did you create a landing page or anything to validate your idea or did you deploy and build traffic as you went?
what you see now is basically how i deployed it
Good idea dude
Thanks, dude 🙏
Good job
🙏
Love the buy me a coffee link! Such a great idea. Is that integrated with Stripe directly or in another clever way? Thanks for sharing and love what you built.
Yep. It's the simplest stripe payment form they offer :)
amazing! how has the response been so far? are you over caffeinated? : )
Congrats! Very impressive that you got 200 users with only 255 Twitter followers.
Do you have any tips for posting on LinkedIn? Can you share an example post you made?
I feel like the tone there is a lot different than Twitter, but that LinkedIn is definitely the best place to post a cover letter tool. I want to start utilizing LinkedIn more for marketing my product.
That's because most of my initial users came from Reddit, where I have good Karma and don't always spam.
Very few, if any, came from Twitter.
This is smart timing, the tech layoffs means there are going to be 100,000 highly paid and tech friendly individuals preparing for the application and interview process. Probably a great time to enter or be in that space.
Ha. I hadn't even thought of that, to be honest. I just figured it was a good application of the OpenAI API
Congrats! How did you get your initial users?
Thanks 🙏. slow and steady posting on LinkedIn and Reddit
awesome! what was your source of traffic?
Mostly reddit and linkedin
Hi Vince that's amazing! Would you be willing to share your CoverLetterGPT story?
Founder Club (https://founderclub.com) provides resources and support to those who want to start and grow a successful online business.
We want to hear about your journey and share it on our site to help and educate other founders and business owners while bringing visibility to your own project.
We are initially looking for 10 founders who want to talk about their business journey and would love it if you would be one of them :)
Only if you can tell me where this quote comes: "Who is your Daddy, and what does he do?"
Hahah! Probably showing my age here Vince, but - Kindergarten Cop.
ding ding ding. We have a winner!
Thanks :) Can I drop you an email? Or you can ping me on [email protected]
Good job. Now you can buy a new domain name with a regular tld (xyz is mainly used for spam)
Alphabet has this one https://abc.xyz
i know, but it's not a domain they are using. just check on the internet the most spammed tld, and the numbers of ranked websites that are using this tld...
when I pass 500 users I will... maybe ;)
Wow! what a great idea, how did you come up with this?
Really helpful tool for a lot of people! all the best on your journey 😊
Thanks 🙏.
How did I come up with the idea? To paraphrase David Lynch: "good ideas are like fish"... I just caught it as it was swimming by :)
Haha that's great👍
This is really cool.
🙏
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Wow, it's impressive to see how quickly you were able to build and open-source your AI startup!
I'm curious, how did you come up with the idea for CoverLetterGPT, and what inspired you to make it open-source? Also, how do you plan to promote and market the app to potential users?
I'm also building an AI startup in public although I plan to finish mine in 8 days
I can give you some general advice on how to build and market a successful product or service:
Identify a problem that people are willing to pay to solve: To build a successful product or service, you need to solve a problem that people are willing to pay for. Spend time researching your target market to understand their pain points and the solutions they are currently using.
Build a great product: Once you have identified a problem, build a solution that is user-friendly, reliable, and meets the needs of your target audience. Continuously iterate on your product based on user feedback to make it better.
Market your product: You need to create awareness of your product and generate interest among potential customers. Use a mix of marketing channels, such as social media, email marketing, and content marketing to reach your target audience.
Offer a free trial: Offering a free trial can be an effective way to get people to try your product and increase the likelihood of them becoming paying customers.
Collect feedback: Collect feedback from your users to understand what they like about your product, what they don't like, and what features they would like to see added. Use this feedback to improve your product and make it more valuable to your users.
Remember, building a successful product or service takes time, effort, and a bit of luck. Stay focused on your goals, be persistent, and don't be afraid to make changes along the way.
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I love to farm
This was written w ChatGPT lol
This Looks amazing! thanks for sharing
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Wow! Nice implementation!
A few months ago I realized some related projects. I have this one in specific, It´s a blog post/Twitter thread maker based on a YT video.
https://twitter.com/BiondiniNicolas/status/1617933403978084353
Here is the link if you want to test it.
The primary recommendation that I have, based on that experience, it´s that you need to improve the prompt the best you can. That's the most important thing. You can do incredible things with a really good prompt.
Keep building and have a nice day!
thanks for the input
This comment was deleted a year ago.
This comment was deleted a year ago.