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

# Fluz API documentation

> Embed money movement into your product — pay-ins, wallets, virtual cards, gift cards, and payouts — through one GraphQL API and a single unified ledger.

## Where do you want to start?

<CardGroup cols={2}>
  <Card title="Spend on your account" icon="wallet" href="/get-started">
    Use the API to move money in and out of your own Fluz account. Credentials, auth, and your first call in staging — about five minutes.
  </Card>

  <Card title="Build for your customers" icon="users" href="/build-a-platform">
    Register or connect customer accounts with OAuth, then run the exact same APIs on their behalf.
  </Card>
</CardGroup>

## Explore the docs

<Card title="Get started" icon="rocket" horizontal href="/get-started">
  Credentials, auth, and your first call in staging.
</Card>

<Card title="Features" icon="layout-grid" horizontal href="/features">
  Cards, gift cards, wallets, and transactions — on your account or any connected account.
</Card>

<Card title="Build a platform" icon="users" horizontal href="/build-a-platform">
  Connect customer accounts and run the same capabilities on their behalf.
</Card>

<Card title="Developers" icon="code" horizontal href="/developers">
  Widgets, connectors, webhooks, and reference material.
</Card>

## Popular quickstarts

<Tabs>
  <Tab title="Your own spend">
    <CardGroup cols={2}>
      <Card title="Your first gift card purchase" icon="gift" href="/quickstart/first-gift-card">
        Deposit funds, browse the catalog, buy a gift card, and reveal its redemption details.
      </Card>

      <Card title="Your first virtual card purchase" icon="credit-card" href="/quickstart/create-and-spend-with-a-virtual-card">
        Pick a card program, issue a card with spend controls, reveal it, and track activity.
      </Card>
    </CardGroup>
  </Tab>

  <Tab title="Your customers">
    <CardGroup cols={2}>
      <Card title="Onboard customers" icon="user-check" href="/quickstart/onboard-customers">
        Register a user, run KYC, and connect their account so you can transact on their behalf.
      </Card>

      <Card title="Send a card to someone" icon="credit-card" href="/quickstart/send-a-card">
        Create an app, select your funding, and send a virtual card to one or many recipients.
      </Card>
    </CardGroup>
  </Tab>
</Tabs>

<Card title="See all quickstarts" icon="arrow-right" horizontal href="/quickstart/first-gift-card">
  Every end-to-end flow, staged so each step verifies the last.
</Card>

## Browse by capability

<CardGroup cols={3}>
  <Card title="Virtual cards" icon="credit-card">
    * [Create a card](/features/create-card)
    * [Edit a card](/features/edit-virtual-card)
    * [Reveal card details](/recipes/reveal-virtual-card)
    * [Track transactions](/features/get-virtual-card-transactions)
    * [Issue in bulk](/features/create-bulk-order)
  </Card>

  <Card title="Gift cards" icon="gift">
    * [Browse the catalog](/get-catalog)
    * [Get the best offer](/get-best-offer)
    * [Purchase a gift card](/purchase-gift-card)
    * [Purchase in bulk](/purchase-in-bulk)
    * [View gift cards](/view-gift-card)
  </Card>

  <Card title="Wallets & money movement" icon="arrow-right-left">
    * [Link a bank account](/features/link-via-plaid)
    * [Deposit funds](/features/deposit-from-external-accounts)
    * [Transfer between accounts](/features/transfer-between-spend-accounts)
    * [Withdraw](/features/withdraw-to-external-account)
  </Card>

  <Card title="Customers & platforms" icon="users">
    * [Register users](/user-registration)
    * [Run KYC verification](/user-kyc-verification)
    * [Connect accounts with OAuth](/create-an-o-auth-app)
    * [Manage authorized users](/features/create-authorized-users)
  </Card>

  <Card title="Integration tools" icon="plug">
    * [Embedded widgets](/developers/widgets)
    * [API connectors](/tango)
    * [Webhooks](/developers/webhooks)
  </Card>

  <Card title="API foundations" icon="network">
    * [How GraphQL works](/concepts/graphql)
    * [Authentication](/concepts/authentication)
    * [Idempotency](/concepts/idempotency)
    * [Rate limits](/concepts/rate-limits)
  </Card>
</CardGroup>

## Stay in sync

<CardGroup cols={2}>
  <Card title="Changelog" icon="scroll-text" href="/changelog">
    Recent updates, additions, and breaking changes to the Fluz API.
  </Card>

  <Card title="Security & compliance" icon="shield-check" href="/developers/security">
    SOC 2 Type II, PCI DSS, 24/7 fraud monitoring, and FDIC-insured banking partners.
  </Card>
</CardGroup>

<Info>
  **Using AI tools?** Point your assistant at `llms.txt` for a machine-readable index, or connect via MCP at `docs.fluz.app/mcp`.
</Info>