The financial stack for builders

Your code runs
the world.
Your card
should too.

Banking, credit, and rewards built for developers shipping AI products. Earn 5% back on every API call. See your finances project by project.

Invite-only early access. Join 4,200+ builders on the waitlist.

code_
•••• •••• •••• 4096
Card holder
YOUR NAME
VISA

Rewards across the tools you already use

OpenAI/Anthropic/Vercel/Supabase/AWS/Cursor/Fly.io/Replicate/Cloudflare/Neon/Railway/Linear/GitHub/PostHog/OpenAI/Anthropic/Vercel/Supabase/AWS/Cursor/Fly.io/Replicate/Cloudflare/Neon/Railway/Linear/GitHub/PostHog/

Earn on every
git push.

The only card that rewards you for building. The more you ship, the more you earn.

0%

AI Model APIs

OpenAI, Anthropic, Google AI, Cohere, Replicate, Groq

0%

Cloud & Infrastructure

Vercel, AWS, GCP, Fly.io, Railway, Supabase, Cloudflare

0%

Dev Tools & SaaS

GitHub, Cursor, Figma, Linear, Notion, PostHog

0.0%

Everything Else

Coffee, rent, late-night ramen

A real scenario

From idea to
profit in a week.

Meet Sarah. She's a solo developer building an AI-powered recipe app. Here's her first week with Code_.

Mon
Spin up project

You create a new project "recipe-ai" and Code_ generates a virtual Visa card for it.

$ code project create "recipe-ai"
✓ Project created
✓ Virtual card •••• 7281 assigned
✓ Budget limit: $500/mo
Tue
Build with AI

You wire up Anthropic for recipe generation and OpenAI for image descriptions. Code_ tracks every API call.

$ code spend recipe-ai --today
Anthropic API     $12.40   ← 5% back = $0.62
OpenAI API         $8.20   ← 5% back = $0.41
Daily total       $20.60   Earned: $1.03
Wed
Deploy & scale

Deploy to Vercel, add a Supabase database. All infra spend auto-categorized under the same project.

$ code spend recipe-ai --week
Anthropic API     $38.60   5% → $1.93
OpenAI API        $24.10   5% → $1.21
Vercel Pro          $20.00   4% → $0.80
Supabase Pro      $25.00   4% → $1.00
Week total       $107.70   Earned: $4.94
Thu
Catch a spike

A prompt loop bug causes a 6x cost spike. Code_ catches it before your morning coffee.

⚠ ANOMALY DETECTED — recipe-ai
Anthropic spend jumped 580% vs. yesterday
Projected daily: $94.20 (budget: $500/mo)
→ Auto-paused card •••• 7281
Fri
Launch & earn

You launch on Product Hunt. First paying users arrive. Code_ shows revenue alongside spend — you're profitable on day one.

$ code pnl recipe-ai
       This week     Month-to-date
Spend   $142.30       $142.30
Revenue  $289.00       $289.00
Net     +$146.70      +$146.70  ✓
Rewards   $6.18        $6.18

Margin: 51.6% — you're profitable 🎉

Sarah's first week with Code_

$142
total spend
$289
revenue earned
$6.18
cashback earned
1
cost spike caught

Every project.
Its own P&L.

Create virtual cards for each thing you're building. Track spend and revenue side by side. Know your margin in seconds, not spreadsheets.

project dashboardmarch 2026
ProjectSpendRevenueNet
ai-tutor-app
$2,340$8,120+$5,780
vibe-cli
$890$3,200+$2,310
client-dashco
$4,100$3,800-$300
experiment-rag
$560$0-$560

Per-project virtual cards

Spin up a Visa card for each project. Track every dollar.

Revenue integration

Connect Stripe and LemonSqueezy. See inflows alongside spend.

Kill switch

Freeze any project’s spending instantly. One tap.

Your spend,
decoded.

AI-powered analytics that actually understand developer expenses. Catch cost spikes before they drain your balance.

📊

Burn rate tracking

Real-time monthly burn with projected runway.

🚨

Cost anomaly alerts

“Your OpenAI spend jumped 340% on Tuesday.”

📈

Provider benchmarking

Compare your costs to anonymized cohort data.

👤

API cost-per-user

Know exactly what each user costs to serve.

🔄

Model switching suggestions

“Switch to Haiku and save $340/mo.”

📋

Monthly AI spend report

Beautiful, shareable monthly digests.

21 grams of
pure focus.

A card that understands what you build and gets out of your way.

No preset spending limits

Your limit adapts to you. Grow it as your projects grow.

Virtual cards, unlimited

Create cards for every project, subscription, and team member.

Built-in spend controls

Set budgets, alerts, and auto-freeze rules per card.

code_
•••• •••• •••• 4096
Card holder
YOUR NAME
VISA

Your entire stack.
Rewarded.

Redeem Code Credits at any partner for up to 1.5x value. Partners co-fund the boost — so you always win.

AI Model Providers

OpenAIAnthropicGoogle AICohereReplicateTogether AIGroq

Up to 5% back + partner boost

Cloud & Infrastructure

VercelAWSGCPFly.ioRailwaySupabaseCloudflare

Up to 4% back + partner boost

Dev Tools

GitHubCursorReplitLinearFigmaPostHogSentry

Up to 3% back + partner boost

Domains & Services

NamecheapResendLoopsNeonPlanetScale

Up to 3% back + partner boost

Ready to build?

Code is invite-only during early access. Join the waitlist and we'll reach out when it's your turn.

We'll never spam you. Just one email when your invite is ready.

Are you an AI API provider interested in partnering? Talk to us →