Know what your
users cost
Track every API cost in your stack with one import.
How It Works
Everything happens in your terminal
No dashboards to configure. No agents to deploy. Just import and watch costs flow.
burn0 — your-project
$ burn0 init
🔥 burn0 v1.0.0
Add this to your entry point:
import 'burn0'
That's it. Every API call is now tracked.
$ burn0 scan
Scanning your stack for API services...
SERVICESTATUSPRICING
openai✓ detectedper-token
anthropic✓ detectedper-token
stripe✓ detectedper-transaction
supabase✓ detectedper-request
twilio✓ detectedper-message
sendgrid✓ detectedper-email
custom-api! auto-trackedrequest-count
50 services detected. Unknown APIs auto-tracked by request count.
$ burn0 report
Generating cost report...
[12:34:01]openai.chat.completionsgpt-4o$0.034
[12:34:02]stripe.charges.createcheckout$0.0001
[12:34:03]anthropic.messagesclaude-3.5$0.028
[12:34:04]supabase.from.selectusers1 call
[12:34:05]openai.chat.completionsgpt-4o-mini$0.012
TOTAL: $0.0741 | REQUESTS: 5 | AVG: $0.0148/req
$ burn0 help
🔥 burn0 CLI — Available Commands
burn0 initInitialize burn0 in your project
burn0 scanDetect all API services in your codebase
burn0 reportGenerate a cost summary report
burn0 track <feature>Attribute costs to a specific feature
Run burn0 --help for more options
$ burn0 ▌
Features
From chaos to controlled burn
Stop guessing. Start knowing exactly where every API dollar goes.
openai
$???
twilio
$??.??
stripe
$?
supabase
???
Monthly API Bill
$2,847.??
↑ 340% from last month
Which feature is burning money?
Before
Per-Request Cost
$0.076
Tracked in real-time
openai/gpt-4o$0.034
anthropic/claude-3.5$0.028
stripe/charges$0.012
sendgrid/email$0.002
Feature Attribution
onboarding: $0.47checkout: $0.12
AFTER
Drag to compare
Integrations
50+ services tracked out of the box.
Every API auto-detected. Zero configuration.
OpenAI
Anthropic
Google Gemini
Mistral
Cohere
Groq
Together AI
Perplexity
Fireworks AI
DeepSeek
Replicate
AI21 Labs
Pinecone
Stripe
PayPal
Plaid
SendGrid
Resend
Postmark
Mailgun
AWS SES
Twilio
Vonage
Auth0
Clerk
Algolia
CloudinaryAWS S3
Cloudflare R2
Uploadcare
Google Maps
Mapbox
Sentry
DataDog
OneSignal
Segment
Mixpanel
GitHub API
Slack API
Discord API
Supabase
PlanetScale
MongoDB Atlas
Upstash
Neon
Turso
Firebase
Vercel
NetlifyAWS Lambda50 integrations · Unknown APIs are auto-tracked by request count
Don't see your service? Unknown APIs are auto-tracked by request count.
FAQ