Our stack

This is what we actually run

Not a capability list. Every tool below is installed and running in something we ship — the same eight products on the home page, plus the apps and APIs behind them.

AI and intelligence

The models that read, decide and write inside our products.

8 tools

  • Anthropic Claude

    Opus and Haiku — the reasoning engine behind our agents, 33 integration points in the API alone

  • Google Gemini

  • Groq

    sub-second inference

  • Vercel AI SDK

  • Hugging Face

  • Runway, Kling AI, HeyGen

    generative video

  • Ollama with MFLUX

    on-device inference, where nothing leaves the machine

  • Claude Code

    our engineers work alongside AI, not instead of it

Mobile

Real apps in both stores, updated without waiting for review.

7 tools

  • React Native

  • Expo SDK 53

    with Expo Router

  • EAS Build

  • NativeWind

  • Expo SecureStore and Local Authentication

    biometric lock and encrypted storage

  • Expo Updates

    over-the-air releases

  • App Store Connect, TestFlight, Google Play Console

Web

Everything a browser touches, in five languages.

7 tools

  • Next.js 15, React 19, TypeScript

  • Tailwind CSS 4

  • Three.js

    real-time 3D in the app

  • Framer Motion

  • Zustand, React Hook Form, Zod, Axios

  • next-intl

    we ship in five languages: English, हिन्दी, മലയാളം, தமிழ், العربية

  • Monaco Editor

Backend and data

Where the work happens, and where it is kept safely.

5 tools

  • FastAPI, Python, Uvicorn

  • Managed, replicated PostgreSQL

  • SQLAlchemy 2.0 async with Alembic

    versioned, reversible migrations

  • JWT with bcrypt and TOTP

    multi-factor auth as standard

  • Rate limiting

    on every public surface

Payments

Taking money in India and everywhere else.

2 tools

  • Razorpay

    India-first checkout, UPI, subscriptions, 85 integration points

  • Stripe

    international cards and billing

Communication

How our products reach the people using them.

5 tools

  • WhatsApp Business Cloud API

    official, not a scraped workaround

  • Meta Lead Ads

    webhooked straight into the funnel

  • Resend

    transactional email

  • Google OAuth and Calendar

  • Exotel

    programmatic voice

Observability

How we know something broke before you tell us.

4 tools

  • Sentry

    across web, API and mobile

  • Prometheus and OpenTelemetry

    metrics and distributed tracing

  • PostHog and Mixpanel

  • structlog

Quality and security

The gates every change passes before anyone sees it.

6 tools

  • Playwright with axe-core

    accessibility auditing

  • Vitest, Testing Library, pytest

  • k6 load testing

    before launch, not after

  • ESLint, Prettier, Husky

    on every commit

  • GitHub Actions CI

    on every pull request

  • Renovate

    automated dependency and security patching

Delivery and design

Getting it in front of people, and deciding how it looks first.

5 tools

  • Vercel

    global edge deployment

  • Docker

  • Cloudflare

    DDoS protection and CDN

  • GitHub

    with CODEOWNERS enforcement

  • Figma

49 tools, all of them in production

We picked all of this by running it ourselves first

Nothing here was chosen from a blog post. If we recommend it to you, it is because it already holds up one of our own products.

Tell us the problemSee the products