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

# JSON-RPC API Reference

> Reference for the GoldRush JSON-RPC product. Methods, chains, and per-(chain, method) examples.

The GoldRush JSON-RPC API exposes EVM JSON-RPC methods (`eth_*`, `net_*`, `web3_*`, `debug_*`, `trace_*`) and the full Solana (SVM) JSON-RPC and WebSocket subscription method set, across 10 mainnet networks and their respective testnets at launch.

## Launch chains

<CardGroup cols={3}>
  <Card title="Ethereum" href="/api-reference/json-rpc/chains/ethereum" icon="link">`eth-mainnet`</Card>
  <Card title="Polygon" href="/api-reference/json-rpc/chains/polygon" icon="link">`matic-mainnet`</Card>
  <Card title="BNB Smart Chain (BSC)" href="/api-reference/json-rpc/chains/bsc" icon="link">`bsc-mainnet`</Card>
  <Card title="Arbitrum" href="/api-reference/json-rpc/chains/arbitrum" icon="link">`arbitrum-mainnet`</Card>
  <Card title="Base" href="/api-reference/json-rpc/chains/base" icon="link">`base-mainnet`</Card>
  <Card title="HyperEVM" href="/api-reference/json-rpc/chains/hyperevm" icon="link">`hyperevm-mainnet`</Card>
  <Card title="MegaETH" href="/api-reference/json-rpc/chains/megaeth" icon="link">`megaeth-mainnet`</Card>
  <Card title="Monad" href="/api-reference/json-rpc/chains/monad" icon="link">`monad-mainnet`</Card>
  <Card title="Tempo" href="/api-reference/json-rpc/chains/tempo" icon="link">`tempo-mainnet`</Card>
  <Card title="Solana" href="/api-reference/json-rpc/chains/solana" icon="link">`solana-mainnet`</Card>
</CardGroup>

## Endpoint shape

```
https://rpc.goldrushdata.com/v1/{chain}
```

Authenticate with the `Authorization: Bearer <GOLDRUSH_API_KEY>` header. See [authentication](/goldrush-json-rpc/authentication).

## Where to next

<CardGroup cols={2}>
  <Card title="Quickstart" href="/goldrush-json-rpc/quickstart" icon="rocket">First call in under a minute.</Card>
  <Card title="Migration" href="/goldrush-json-rpc/migrating-from-other-providers" icon="right-left">Coming from Infura, Alchemy, Ankr, or Helius.</Card>
</CardGroup>