Brand.devThe brand api for startups.
+4Developer tools
APIs & SDKs: the tech stack of 38 real products
Products sold as an API or SDK for other developers — data, scraping, messaging, documents.
What sets them apart
Picks at least twice as common here as among products overall, in decisions at least 10 of them show.
The typical stack
The leading pick where at least 8 of them show the decision and the leader has at least a quarter of it.
| Decision | Most common pick | Share | At default usage |
|---|---|---|---|
| Frontend Framework |  Next.js | 19 of 27 · 70% | — |
| Transactional Email |  Resend | 16 of 26 · 62% | $20/mo · Pro 50k |
| Database |  PostgreSQL | 9 of 22 · 41% | — |
| Payments | Stripe | 12 of 18 · 67% | fees on revenue · $410 on $10,000/mo |
| Hosting | Cloudflare | 6 of 16 · 38% | $12/mo · Workers Paid |
| Backend Framework |  Express | 8 of 15 · 53% | — |
| LLM API |  OpenAI API | 9 of 12 · 75% | $10/mo · GPT-6 Luna |
| Database Access & ORMs |  Drizzle ORM | 3 of 11 · 27% | — |
| Authentication |  Clerk | 4 of 10 · 40% | $0/mo · Hobby |
| Background Jobs & Cron |  pg-boss | 4 of 9 · 44% | — |
| Image & Video Hosting |  sharp | 7 of 8 · 88% | — |
Monthly bills add up to about $42 at the calculators' default usage, list prices; fees on revenue (Stripe) come on top. Set your own usage →
What they chose, decision by decision
Among the APIs & SDKs that show each choice, from makers' products and open-source code alike.
Small samples, fewer than 8 products: Error Monitoring (Sentry 7) · AI SDK & Agent Framework (AI SDK 3, LangChain 2) · File Storage (Amazon S3 4, Vercel Blob 1) · Product Analytics (PostHog 6) · Web Analytics (Vercel Web Analytics 2, Google Analytics 2) · Vector Database (pgvector 1, Pinecone 1)
APIs & SDKs we track
31 makers' products and 7 open-source projects. Makers' products first.
Brand.devThe brand api for startups.+4
TriqaiTurn messy bank transactions into clean, structured data
+3
CloudglueLet your AI understand videos and audio
+1
SublayBackend and SDKs for social features — posts, comments, votes, follows, chat and notifications. Formerly Replyke.
+1
ThesysC1 is an API that makes LLM responses come back as interactive UI components such as charts, forms and cards instead of plain text. For developers building AI applications.
+1
BoxoLaunch AI-Generated Features in your Mobile App. Fast.
FundableIntegrate startup, investor and people data in your product
SieveVideo AI that just works.
NiaAPI for grounded agent context
DataFuel.devScraping made easier for developer!
PulpMinerConverts Any Webpage Into Realtime JSON API 🟢
SocialKit APISocial Media Video Analysis API
VeltBuild powerful collaboration features ridiculously fast!
Conva.AIBuild an AI Assistant for your App in 1 click
Daily.coReal-time voice, video, and AI for developers
AgentQLA query language and API that lets developers select and scrape data from web pages with natural-language-like queries instead of XPath or CSS selectors.
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