I shipped 10 builds last week without touching a laptop.
That's the reality of what I've been testing - whether you can actually run a micro SaaS from a phone. Not as a gimmick, but as a real workflow. The k…
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Building Flutter Ads: A Cross-Platform Ad SDK for Flutter
Building Flutter Ads: A Cross-Platform Ad SDK for Flutter Over the years I've built multiple Flutter applications and repeatedly faced the same challe…
Introducing SignalOps API: Content Moderation, Email Verification, and IP Intelligence APIs
Introducing SignalOps API Developer APIs for moderation, email, verification, and IP intelligence. https://signalopsapi.com SignalOps API and other de…
【2026】Auth0 代替 (Clerk/Supabase Auth/WorkOS)：料金・移行コストで選ぶ
結論（おすすめ1つ） 乗り換え先は Clerk を推奨する。 Auth0 からの脱出を検討しているスタートアップ〜中規模チームであれば、Clerk が最も開発体験のコストパフォーマンスに優れている。 React /Next.js との統合がファーストクラスで、ユーザー管理 UI がゼロコードで動く。…
The Cheapest Way to Self-Host Fider in 2026
Last updated: June 2026 Fider is the open-source feedback board a lot of teams reach for once Canny or UserVoice sends the renewal invoice. Public roa…
Telegram Stars Economics for Bot Developers: What Your Stars Are Actually Worth in 2026
Your Telegram bot is live. Users are sending Stars. You check your creator dashboard and see 847 Stars sitting there. The question that follows is alw…
AI Claim Verification Pipeline: Stop Hallucinations Before They Reach Customers
AI hallucinations rarely look broken at first glance. They look confident, polished, and ready to ship. That is the dangerous part. A generated report…
OOP - Make Your Code More Scalable
Have you ever opened a Project and found one giant PHP file with 2,000 lines? Functions everywhere. Global variables. No clear structure. And every ti…
Which sentence on your SaaS homepage is hardest to write?
For founders and indie developers: which sentence on your current homepage is hardest to write? Paste the public sentence, target customer, and desire…
How I audit a SaaS homepage before changing the design
A SaaS homepage usually does not fail because its gradient is wrong. It fails because the page makes the visitor answer too many questions on their ow…
Every Stripe decline code, what it actually means, and whether retrying will help
When a card payment fails in Stripe, you get a short string back — insufficient_funds , do_not_honor , authentication_required . Most teams glance at …
Cut signup spam: syntax + MX + disposable email validation in one call
Client-side regex catches typos, not throwaway inboxes. By the time a fake [email protected] is in your DB, your activation rate and sender reputati…
Customer Onboarding Drip, Run by an Agent
How many of the customers you onboarded last month actually booked the kickoff call you emailed them about? If you can't answer that without checking …
Image Optimization for Modern Web Applications: Formats, CDNs, Automation
Images account for 50-70% of a typical web page's weight. Optimizing them properly — choosing the right format, generating responsive sizes, automatin…
Turn any company website into structured B2B data (one API call)
If you've ever needed to go from a company's website to clean, structured data — its name, sector, a short description, social links, a contact email,…
Migrating From Transactional Email to Agent Accounts
This is what most agent email code looks like today: // SendGrid / Resend / Postmark — outbound only await sendgrid . send ({ to : " prospect@example.…
My SaaS Idea Scraper Surfaced 583 Demand Cards This Week — 3 Ideas Worth Building
I run DemandRadar, a scraper that hunts for SaaS ideas by analyzing demand signals across the web — Reddit, Product Hunt, payment discovery data, the …
Finding Product-Market Fit: A Data-Driven Framework for SaaS Founders
Product-market fit is not a binary milestone — it is a measurable state where your product solves a problem so well that users return organically and …
The Builder's Advantage: Why Constraints Are the New Superpower
There's a myth that the best products come from unlimited resources. Big teams. Big budgets. Big time. The reality in 2026 looks nothing like that. Th…
Сервер работает. Продукт — уже нет
Большинство команд следят за серверами, базами данных и доступностью приложений. Но самые дорогие инциденты часто происходят совсем в другом месте. Ис…
Building Adal: predictable webhook delivery without black boxes
Hi DEV community, I'm Yuriy, a fullstack developer and DevOps engineer with 10+ years of experience. I'm currently building Adal — a webhook delivery …
AI Output Provenance for SaaS: Trace Answers Before They Become Liability
An AI answer can look clean, confident, and helpful while hiding the exact detail your team will need later: where did this claim come from? For AI Sa…
I Catalogued 93 AI Tools for Service Businesses. Two Categories Had Zero.
I Catalogued 93 AI Tools for Service Businesses. Two Categories Had Zero. Tags: AI, SaaS, Startups, Entrepreneurship, Small Business I built a cross-a…
The End of Vibe Coding: Why I Switched to Structured AI Workflows
The End of Vibe Coding: Why I Switched to Structured AI Workflows I spent 3 months "vibe coding" my SaaS. Then I realized I was spending more time fix…
We Tracked 1M LLM API Calls — 60% Were Wasting Money on the Wrong Model
Key Takeaways 82% of developers default to OpenAI GPT models (Stack Overflow Developer Survey, 2025), but 60-70% of production API calls don't need a …
Does Churn Prevention Ignore Your SaaS Payments? The Overlooked Leak That Bleeds MRR Monthly
This article was originally published at https://saastools.corenk.com/articles/does-churn-prevention-saas-payments You logged into Stripe to check mon…
I am building a PDF API because every codebase I touch has a haunted PDF service
There is a file in almost every backend I have worked on. It generates PDFs. Invoices, mostly. Sometimes reports or certificates. It was written years…
Salesforce Data Hygiene: How to Keep Your CRM From Lying to You
Your Salesforce org is only as good as the data inside it. That sounds obvious until you watch a forecast built on stale close dates, or a rep chase a…
How I built a switchable AI provider system in Next.js (Gemini GPT-4 Claude, one workspace setting)
I had Gemini hardcoded into every AI function in my codebase. Then a beta user told me her clients have data policies about Google. I rebuilt the whol…
What I learned building an AI chatbot for websites and docs
I’ve been building an AI chatbot for websites and docs for about 6 months For the last few months, on and off, I’ve been building a side project calle…