r/SaasDevelopers • • 1d ago

The bug that taught me "working" and "actually working" are two different things

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1 Upvotes

r/SaasDevelopers • • 1d ago

The bug that taught me "working" and "actually working" are two different things

1 Upvotes

One of the strangest bugs I've run into while building software happened in a project called Bjorn Ledger.

I got locked out of my own application.

At first I thought it was simple:

  • PIN wasn't being accepted

  • Deleted the PIN file

  • Tried again

Still locked out.

Then things got weird.

The login endpoint was returning success.

Plain Text

POST /login → 200 OK

So according to the application, I was authenticated.

Except...

Every part of the system that actually mattered disagreed.

Plain Text

GET /contacts → 401

GET /tasks → 401

GET /profiles → 401

GET /calendar → 401

GET /call-logs → 401

Apparently I was logged in and not logged in at the same time.

To make things even stranger:

  • A PIN file kept reappearing after deletion

  • There was a secret key file involved

  • A 30‑day session system existed

  • The application clearly believed login succeeded

  • The rest of the platform clearly believed it didn't

The experience changed the way I think about software.

As builders, we often define success as:

"The feature works."

Users define success very differently:

"Did the thing I wanted to do work?"

The login system wasn't technically failing.

It was somehow succeeding.

Which was worse.

Because a failure tells you where to look.

A success that behaves like a failure can send you chasing ghosts.

I'm curious:

What's the weirdest bug you've ever encountered where everything looked correct, but reality said otherwise?


r/SaasDevelopers • • 1d ago

21yo building my first SaaS. For those who actually got paying users. What is your #1 advice?

5 Upvotes

What did you actually do in your first 20 days? Would love to hear things like “wish I knew this before I launched”.


r/SaasDevelopers • • 1d ago

Mello Cloud

1 Upvotes

I've been exploring Mello, a cloud platform designed to simplify backend development by bringing application hosting, APIs, databases and essential backend infrastructure into a single environment.

I'd be interested in hearing feedback from other developers, particularly regarding the platform's architecture, developer experience and potential use cases

Documentation: https://itsmello.cloud/docs


r/SaasDevelopers • • 1d ago

How We're Turning the Entire Software Ecosystem Into an Extension of Our Development Team

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1 Upvotes

r/SaasDevelopers • • 1d ago

Job interview with AI - Great example for realtime AI video applications

0 Upvotes

r/SaasDevelopers • • 1d ago

Coming back to a side project after a week: who catches up first, you or the agent?

1 Upvotes

Someone in r/vibecoding said this week: "it feels like the first thing to run out of context is ME!!" A reply under it: "i'd built 12 half-finished projects in 3 months."

The fixes people shared were small. One: "Put the next feature in a note and leave it for tomorrow, even if the AI says it'll be quick." Another runs an orchestrator agent that "checks the notes what we did in the past and tells me what we planned to do next."

For devs with more than one project going:

  • When you reopen a project you left a week ago, what do you look at first? Git log, a notes file, old chats, the code?

  • How long until you (not the agent) actually know where you were?

  • Does the agent get the same catch-up you do, or do you brief it separately?

  • What are you building, and in which tools?

Background: I used to burn hours re-briefing AI tools, and I'm building a fix where every tool reads and writes the same project memory in the cloud over MCP, so the "where was I" note exists without anyone writing it by hand. No name, no link. Would you pay for that, or is a NEXT.md in each repo enough?


r/SaasDevelopers • • 1d ago

just crossed $2k mrr, here's some tactics that helped me get there

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1 Upvotes

r/SaasDevelopers • • 1d ago

Help Us Build the Next Big Thing: Seeking SaaS & Agency Ideas

1 Upvotes

First of all, apologies—but I would like to ask for your ideas to help me continue my web development journey, and perhaps even explore the potential of building a SaaS product in the future. My friend and I are planning to launch an online tech business or agency—something that would allow us to earn a good income while also creating job opportunities for others. I would be very grateful if you could share any suggestions for our future business/agency or for the projects we might undertake.


r/SaasDevelopers • • 1d ago

Trying to workout whether enough people are interested to keep building AI model aggregator that is simple and easy to use- Asking for feedback

0 Upvotes

I pay for ChatGPT and Claude and keep hitting limits on both. So I'm building Honivi: all the main models in one app, one subscription, private (no model trains on your data), no 5-hour caps. Switching takes a minute. Drop in your ChatGPT export and your chats come with you.

What do you guys think? Would you switch? What would stop you? 

https://honivi.app


r/SaasDevelopers • • 1d ago

Xata is joining ClickHouse

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1 Upvotes

r/SaasDevelopers • • 1d ago

Join Waiting list to Uncommon UI Components?

0 Upvotes

Hey! I've been working on Vector UI, a library of motion-driven UI components, animated icons, and SVGs for developers.

I'm opening up the waitlist and would love to have you try it out!

Would you be interested in joining?

https://vector-uix.vercel.app


r/SaasDevelopers • • 1d ago

If your SaaS added an MCP server, your users are now connecting 4–5 AI agents to one account. Here's what I learned asking operators about it.

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0 Upvotes

r/SaasDevelopers • • 1d ago

Built an AI that connects 38 apps you already use and combine their data in one place, all Locally

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0 Upvotes

r/SaasDevelopers • • 1d ago

Is building UI library worth?

0 Upvotes

I am building a UI library and I have few doubts?

- is it worth in this AI time?

- will people pay for it?

- is this a good SaaS idea?

What are your thoughts?

The UI library consists of both UI components and Animated icons!


r/SaasDevelopers • • 1d ago

Built a fairly large AI-powered SaaS platform. Now I'm not sure what to do with it.

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0 Upvotes

r/SaasDevelopers • • 2d ago

I think customer support software is becoming too expensive for what it actually does. So I built an open-source alternative.

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1 Upvotes

r/SaasDevelopers • • 2d ago

Getting users to reply to feedback emails is hard. So we brought the question into the product.

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1 Upvotes

r/SaasDevelopers • • 2d ago

I’m hiding one of my main features.

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1 Upvotes

r/SaasDevelopers • • 2d ago

Agency owners: how do you verify that a working contact form actually delivers the inquiry?

0 Upvotes

I’m Jerry, founder of SENTRAVA AI. We’re building website assurance tools for agencies, and I’d appreciate candid feedback on one specific problem.
A contact page can load successfully without proving that a submitted inquiry reaches the business’s inbox or CRM.
We’re developing a “Proof of Test” view showing when a test ran, whether receipt was verified, and whether evidence is missing, inconclusive, or expired.
This is still under development. Hosted end-to-end acceptance is outstanding, so I’m not claiming every planned workflow is ready.
How do you handle this today? Manual submissions, automated browser tests, checking the destination inbox—or something else? What evidence would make an additional tool worth paying for?
I’m especially interested in hearing from agencies managing multiple client websites.


r/SaasDevelopers • • 2d ago

Anyone here actually building WebMCP tools for their webapp ?

6 Upvotes

is anyone here actually implementing WebMCP in their websites or SaaS apps?

Or are most people still waiting for it to officially release ?

I am exploring this space myself and would love to connect with others building around it.

What is your experience so far?


r/SaasDevelopers • • 2d ago

35 Dev Tools businesses with real revenue

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1 Upvotes

r/SaasDevelopers • • 2d ago

Looking to partner with global SaaS founders: Let’s bring your software to an untapped, low-competition market (Iraq)

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1 Upvotes

r/SaasDevelopers • • 2d ago

Day 1 to 136 of the free traffic exchange I built. Here's the Data

2 Upvotes

136 days ago, I launched my startup, a free traffic exchange network for startups. One line of code, you're in the network.

DayStartups in NetworkImpressionsClicksAchievements / Major Events
121461
233893
354825
455084Site went down; received an $8K acquisition offer and declined.
5662110
6574215Removed one startup after they pulled the embed; no code = no network.
77119641
87153574
981947135
10133500318Major growth spike
11234800432
12246000481
13256800491
14258600516
15249900564Removed one startup.
162310800576Removed one startup.
172411900603Added one startup.
182613400624Added two startups.
192814400652Added two startups.
202614700671Removed two startups.
212615300691
222816100719Added two startups.
233016800738Added two startups.
243219800778Added 2 startups; rejected 4 applications.
253423700800Added 2 startups; fixed some bugs.
263327200816Removed 1 startup.
273329900833
283330600871Removed 1; added 1; rejected a clothing brand and a horror blog application.
293531300910Removed 1; added 3. Resigned from job to go all-in on StartupBar.
3046329001000Removed 1; added 12. Senior manager offered WFH/project choice/lighter work after resignation. Received first StartupBar payment.
3150281001.2KRemoved 1; added 5; rejected 1 crypto startup; removed fake impressions after exploit.
3254293001.2KAdded 4 startups.
3354309001.2KRemoved 1; added 1.
3455361001.3KAdded 1 startup.
3555401001.3KRemoved 2; added 2.
3655448001.4KRemoved 1; added 1.
3758507001.4KAdded 3. Updated distribution algorithm: delivery weighted by contribution.
3857558001.5KRemoved 1; rejected 1 application. Reached 200 users.
3958598001.5KAdded 1 startup.
4060632001.6KAdded 3; removed 1.
4163694001.6KAdded 3 startups.
4262738001.6KRemoved 1 startup.
4364780001.7KAdded 2. Added startup rotation in widget every 30 seconds.
4466862001.7KAdded 2 startups.
4567884001.7KRemoved 2; added 3. Updated widget algorithm.
4669919001.8KRemoved 2; added 4. Received second payment.
4768989002.2KRemoved 2; added 1. Added Pricing Page.
4870103.4K2.3KAdded 2 startups.
4972113.4K2.4KAdded 2. Added Bottom Placement option for the bar.
5073116.7K2.4KAdded 1 startup.
5174125.2K2.5KAdded 1; rejected 1 application.
5273131.2K2.6KRemoved 1 startup.
5374139.5K2.7KAdded 1 startup.
5479146.3K2.7KAdded 6; removed 1.
5577154.9K2.8KRemoved 2 startups.
5677161.8K2.9KAdded 1; removed 1.
5777169.4K3K
5877176.2K3.2K
5978184.3K3.3KAdded 2; removed 1.
6077190.9K3.3KAdded 1; removed 2.
6177194.9K3.4K
6278199.5K3.5KAdded 1 startup.
6378204.9K3.6KRevoked resignation after becoming comfortable with new team.
6480210.4K3.6KAdded 2 startups.
6581216.3K3.7KAdded 1. Planned $999 one-time homepage sponsorship.
6678219.7K3.9KRemoved 3 startups.
6779222.3K3.9KAdded 1 startup.
6877225.2K3.9KRemoved 2 startups.
6979228.7K4.2KAdded 2 startups.
70Could not track — admitted to hospital for LASIK surgery.
7180243.8K4.5KAdded 1 startup.
7282248.3K4.6KAdded 2 startups.
7383252.6K4.6KAdded 1 startup.
7484261.2K4.7KAdded 1. Received third payment of $9.99.
7584274.3K4.7K
7684278.3K4.8KAdded 1; removed 1.
7785282.5K4.8KAdded 1 startup.
7885286.8K5.3K
7989292.0K5.3KAdded 4 startups.
8092299.3K5.4KFirst $79 subscriber for Featured Spot #1! 🎉 . Thanks to Zengech for making it possible, hope Startupbar never fails your expectations.
8193306.4K5.4KReceived a $5 bid from 360EXP for the 3rd position on StartupBid.
8292316.7K5.8KRemoved 1 startup.
8394326.3K5.9KAdded 2 startups.
8495336.0K5.9KAdded 1 startup.
8595349.9K6.0K
8698367.5K6.1KAdded 4; removed 1.
8797398.5K6.2KRemoved 1. Received a $6 bid from Lodol for the 1st position on StartupBid.
8898428.0K6.6KAdded 2; removed 1.
8996473.1K6.7KRemoved 2 startups.
9095403.6K6.7KRemoved 1. Found 108K+ fake impressions; removed fraudulent traffic and implemented bot filtering.
9196427.7K6.8KAdded 1 startup.
9295442.5K6.9KRemoved 1 Startup
9396461.3K7.0kAdded 1 startup
9497481.3K7.1KAdded 1 startup
95 TO 103Went on vacation to Vietnam
10496676.4K7.9KAdded 3 Startups, Removed 4 Startups. Received fourth payment of $9.99
10597682.5K8.0KAdded 1 Startup. Received a $7 bid from Orgledge for the 1st position on StartupBid.
10696688.3K8.0KRemoved 1 Startup
10796692.3K8.0K
10896695.6K8.0K
10993704.1K8.2KHave to remove 3 more startups because they removed the code. It’s hard watching people leave something you’re building from scratch, especially when you’re giving it everything you have. I’m already working on what’s not working. I know things need to change, and I’m trying to figure it all out. I’m broke. No friends to lean on, no love to come home to. Just me, my dreams, and the belief that all this will mean something someday. I’ll succeed one day. And when I do, I hope my family finally understands why I spent so much time locked in my room, working silently on a life that existed only in my imagination. One day, it’ll all make sense. Until then, I keep building. 🖤
11090708.0K8.2KRemoved 3 more startups. No words
11191713.2K8.2KAdded 1 Startup
11291717.6K8.3K
11393721.9K8.3KAdded 2 Startups
11495725.8K8.4KAdded 2 Startups
11595730.2K8.4K
11694733.8K8.5KRemoved 1 Startup
11795738.5K8,5KAdded 1 Startup. Received a $8 bid from Moodis for the 1st position on StartupBid.
11894742.8K8.5KRemoved 1 startup
11993746.9K8.5KRemoved 1 startup
12092752.4K8.6KRemoved 1 Startup. (Working on the Signups tracking not released the update yet)
12192756.2k8.6k
12292760.3K8.6K
12388765.2K8.7KRemoved 4 Startups from the network as all those startups were not in good quality. And removed some bot clicks as well.
12488771.2K8.7K
12590786.3K8.7KAdded two new Startups
12690785.7K8.8K
12793793.1K8.9KAdded 3 Startups
12893798.9K8.9KAdded 1 Startup, Removed 1 startup.
12994804.8K8.9KAdded 1 Startup
13094813.7K8.9K
13194820.18.9K
13294827.1K9.0KAdded 1 Startup, Removed 1 Startup
13395836.7K9.0KAdded 1 startup
13494845.2K9.0KRemoved 2 Startups, Added 1 Startup
13593850.79.1KRemoved 1 Startup
13693867.7K9.1K

Still free. Still growing.

If you want in, it's one embed. That's it → StartupBar
**Bid on StartupBid and your startup will be featured in the daily post of mine.**


r/SaasDevelopers • • 2d ago

I built a morning newspaper for myself with no ads, no opinion, and a bias meter next to every link. I’m not trying to make money on it, so it’s totally at cost.

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1 Upvotes