付小花

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Joined on Jun 21, 2026

付小花

Nov 2

Your bank's CSV export is the messiest API you will ever consume

#csv #webdev #javascript #node

6 min read

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付小花

Nov 1

I removed the account wall from checkout. The 48-hour claim link is where the risk lives.

#buildinpublic #product #saas #startup

5 min read

付小花

Nov 1

A discount is a percentage of a number nobody wrote down

#saas #startup #tools

4 min read

付小花

Oct 31

When Will You Charge Me Next? A Billing Page Owes That Answer.

#saas #webdev #api #startup

4 min read

付小花

Oct 31

Your seat count is in two systems and nobody reconciles them

#management #operations #saas

4 min read

付小花

Oct 31

Your billing inbox is an append-only log. Our database was not.

#webdev #saas #database #backend

3 min read

付小花

Oct 31

The invoice is not an audit: three places where seat spend hides

#management #productivity #saas

4 min read

付小花

Oct 31

The unsubscribe worked. The charge happened anyway.

#discuss #saas #software

5 min read

付小花

Oct 30

40 questions, 4 models, 151 answers: what LLMs actually name for SaaS spend

#ai #llm #saas #data

2 min read

付小花

Oct 30

I scanned 38 products that launched on Hacker News this month. A language model could name 3 of them.

#buildinpublic #saas #ai #data

4 min read

付小花

Oct 30

I built a tool to find SaaS waste in a billing inbox. Seven accounts, none of them paying.

#buildinpublic #saas #tools #startup

3 min read

付小花

Sep 12

My SaaS bill grew $24 this year and I never approved it — the silent price hike problem

3 min read

付小花

Sep 12

How I built an email-scanning SaaS audit engine with Next.js, Prisma and Neon

#architecture #nextjs #prisma #saas

3 min read

付小花

Jun 21

I built a beginner-friendly web app for learning financial reports

#webdev #startup #productivity #sideprojects

1 min read

DEV Community

付小花

Badges

Writing Debut

Your bank's CSV export is the messiest API you will ever consume

Want to connect with 付小花?

I removed the account wall from checkout. The 48-hour claim link is where the risk lives.

A discount is a percentage of a number nobody wrote down

When Will You Charge Me Next? A Billing Page Owes That Answer.

Your seat count is in two systems and nobody reconciles them

Your billing inbox is an append-only log. Our database was not.

The invoice is not an audit: three places where seat spend hides

The unsubscribe worked. The charge happened anyway.

40 questions, 4 models, 151 answers: what LLMs actually name for SaaS spend

I scanned 38 products that launched on Hacker News this month. A language model could name 3 of them.

I built a tool to find SaaS waste in a billing inbox. Seven accounts, none of them paying.

My SaaS bill grew $24 this year and I never approved it — the silent price hike problem

How I built an email-scanning SaaS audit engine with Next.js, Prisma and Neon

I built a beginner-friendly web app for learning financial reports