# Indexer API

The WDK Indexer REST API provides fast, reliable access to balances, token transfers, and transaction history across multiple chains.

{% hint style="info" %}
A blockchain indexer continuously monitors and organizes blockchain transactions, making them instantly searchable through a simple REST API.
{% endhint %}

<a href="indexer-api/get-started" class="button primary">Get Started</a>

## Supported Chains and Tokens

The WDK Indexer currently supports the following blockchain networks and tokens:

| Blockchain       | Supported Tokens |
| ---------------- | ---------------- |
| Ethereum Mainnet | USD₮, XAU₮, USA₮ |
| TON              | USD₮, XAU₮       |
| TRON             | USD₮             |
| Arbitrum         | USD₮             |
| Sepolia          | USD₮             |
| Plasma           | USD₮, XAU₮       |
| Polygon          | USD₮             |
| Bitcoin          | BTC              |
| Spark            | BTC              |

{% hint style="info" %}
**Need support for a new chain or token?** Submit a request using the form below and our team will review it.
{% endhint %}

<a href="https://forms.gle/ZsuLmGNemSVEvvoA9" class="button primary">Request Chain / Token Support</a>

***

## Next Steps

<table data-card-size="large" data-view="cards"><thead><tr><th></th><th></th><th></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td><i class="fa-rocket">:rocket:</i></td><td><strong>Get Started</strong></td><td>Learn how to make your first API call</td><td><a href="indexer-api/get-started">get-started</a></td></tr><tr><td><i class="fa-code">:code:</i></td><td><strong>API Reference</strong></td><td>Endpoints, parameters, and responses</td><td><a href="indexer-api/api-reference">api-reference</a></td></tr></tbody></table>

## Need Help?