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

# Overview

> Query realtime blockchain data with fast response times and low latency across 13+ blockchains.

export const chainCount = '85+';

<Tip>
  We just unlocked Realtime APIs for public access! Sign up at [https://app.allium.so/join](https://app.allium.so/join) to get started.
</Tip>

Allium Realtime enables engineers to query both raw and enriched blockchain data to power realtime applications and workflows with **realtime data freshness (3-4s)**.

## API Verticals

Allium Realtime provides pull-based REST APIs to query realtime blockchain data across **20+ blockchains** (including Solana):

<CardGroup cols={2}>
  <Card title="Prices APIs" icon="chart-line" href="/api/developer/prices/overview">
    Realtime token prices and historical price data derived from DEX trade feeds
  </Card>

  <Card title="Tokens APIs" icon="coins" href="/api/developer/tokens/list-tokens">
    Realtime token data, including prices, balances, and metadata
  </Card>

  <Card title="Holdings APIs" icon="wallet" href="/api/developer/holdings/overview">
    Realtime holdings data with Profit & Loss (PnL) calculations
  </Card>

  <Card title="Wallet APIs" icon="user" href="/api/developer/wallets/overview">
    Realtime wallet balances, transactions, and historical activity
  </Card>

  <Card title="DeFi Positions APIs" icon="arrow-trend-up" href="/api/developer/defi-positions/overview">
    Realtime DeFi positions across liquidity pools, lending protocols, and staking platforms
  </Card>
</CardGroup>

## Performance & Reliability

| Feature             | Details                                                                                   |
| :------------------ | :---------------------------------------------------------------------------------------- |
| Data Freshness      | p50 of **3-5 seconds**                                                                    |
| Requests per Second | Up to **1K+ RPS** (during [peak loads](https://x.com/phantom/status/1881190197397692647)) |
| Re-Org Handling     | **Realtime** re-org detection and correction                                              |
| SLAs                | **24/7/365** support for Enterprise Customers                                             |

<Tabs>
  <Tab title="Data Quality">
    We run complex consistency checks every 5 minutes to ensure accurate data from our providers.

    <Frame>
      <img src="https://mintcdn.com/allium-e770e2b7/rnUMHb7oivWXnpD5/images/data-quality.avif?fit=max&auto=format&n=rnUMHb7oivWXnpD5&q=85&s=41ab302ca5261dae2d13eda093fb7015" alt="Data quality monitoring dashboard" width="1200" height="840" data-path="images/data-quality.avif" />
    </Frame>
  </Tab>

  <Tab title="Re-Org Handling">
    We capture realtime blockchain reorganizations and immediately correct affected entities (blocks, transactions, etc).

    <Frame>
      <iframe width="560" height="315" src="https://cdn.iframe.ly/KLqtzhF?app=1" allowFullScreen />
    </Frame>
  </Tab>
</Tabs>

## Use Cases

<AccordionGroup>
  <Accordion title="Realtime Applications" icon="mobile">
    Allium powers [Phantom](https://phantom.app/learn/developers/jup-airdrop-at-phantom)'s backend, fetching realtime transactions and serving millions of users' requests for wallets, trading platforms, and more.
  </Accordion>

  <Accordion title="Investing & Trading" icon="chart-candlestick">
    Investment funds like [Electric Capital](https://www.stablepulse.org/) use
    Allium to develop and validate investment theses, screen opportunities, and
    write research for clients.
  </Accordion>

  <Accordion title="AI Systems" icon="brain">
    AI fraud companies like [Cube3](https://www.cube3.ai/) use Allium's realtime
    data to train AI models for fraud signal detection.
  </Accordion>

  <Accordion title="Fraud Detection & Transaction Monitoring" icon="shield-check">
    [Bridge.xyz](https://www.bridge.xyz/) uses Allium for realtime transaction monitoring and data reconciliation.
  </Accordion>
</AccordionGroup>

<Info>
  For information on how we can support your unique use case, [contact
  us](https://allium.so/contact).
</Info>

## Data Coverage

<Card title="Supported Chains (20+ chains)" icon="database" href="/api/developer/overview">
  View all supported blockchains and available data schemas for Realtime APIs
</Card>

## Need Push-Based Data?

Looking for event-driven data delivery via Kafka, Pub/Sub, or SNS? Allium Datastreams provides realtime blockchain data streams for **80+ blockchains** with the same reliability and freshness guarantees.

<Card title={`Datastreams (${chainCount} chains)`} icon="arrow-progress" href="/datastreams/overview">
  Explore push-based realtime data delivery with Datastreams
</Card>
