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Lightweight cost observability for every API call in your stack. Track LLM tokens, database ops, and external services from your terminal.

39 starsTypeScript

Burn0 – One import to see what every API call costs

by mhabeebur·Mar 26, 2026·2 points·0 comments
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AI Analysis

●●●BangerSolve My ProblemSlick

Free one-import cost tracking when Datadog charges $199/mo for the same thing.

Strengths
  • •Sub-millisecond overhead via single import statement at application entry point
  • •Supports 50+ services including OpenAI, Anthropic, Stripe, Supabase out of box
  • •Terminal output shows per-session costs with monthly projections on process exit
Weaknesses
  • •Optional dashboard requires API key and external service, breaks offline-first promise
  • •TypeScript-only implementation excludes Python and other popular backend stacks
Target Audience

Startup developers and indie hackers tracking API costs without expensive observability platforms

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Vercel Analytics · Datadog · HyperDX

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