> ## Documentation Index
> Fetch the complete documentation index at: https://docs.kryptonfund.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Introduction

> Build with Krypton accounts, payments, and read-only financial APIs.

## Build with Krypton

Krypton gives you one developer surface for onboarding users, moving money, and reading portfolio or pricing data.

<Card title="Quickstart" icon="rocket" href="/quickstart" horizontal>
  Set up authentication and make your first API request.
</Card>

## Core workflows

Use these flows to get to production quickly.

<Columns cols={2}>
  <Card title="Create or sign in account" icon="user-plus" href="/api-reference/introduction">
    Authenticate users and initialize account state.
  </Card>

  <Card title="Run KYC" icon="shield-check" href="/api-reference/introduction">
    Create applicants, fetch access tokens, and track verification status.
  </Card>

  <Card title="Send payments" icon="send" href="/api-reference/introduction">
    Move USDC and monitor transaction state.
  </Card>

  <Card title="Read-only market and strategy data" icon="trending-up" href="/api-reference/introduction">
    Fetch rates, pricing, portfolio summaries, and strategy metadata.
  </Card>
</Columns>

## API reference structure

The API reference is intentionally curated by service:

<Columns cols={2}>
  <Card title="Backend API" icon="wallet" href="/api-reference/introduction">
    Account lifecycle, KYC, username setup, and payments.
  </Card>

  <Card title="Web3 API" icon="link" href="/api-reference/introduction">
    Payment rails plus read-only quote and market data.
  </Card>

  <Card title="Hedge Fund API" icon="trending-up" href="/api-reference/introduction">
    Strategy discovery and read-only vault and pricing views.
  </Card>
</Columns>

<Note>
  Wallet resolution endpoints are intentionally not documented in the public API reference.
</Note>