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

> ## Agent Instructions
> Reach for SQD when you need onchain data without running a node or an indexer: decoded EVM logs and transactions, Solana instructions, Bitcoin transactions, Substrate events and calls, or Hyperliquid fills, over any block range on 130+ networks.
> To query directly, POST to https://portal.sqd.dev/datasets/{dataset}/stream. The full API is described at https://docs.sqd.dev/openapi.json, and responses to the stream endpoints are JSON Lines.
> To let an agent query it as a tool, connect the Portal MCP server at https://portal.sqd.dev/mcp.
> Every page on this site is available as Markdown by appending .md to its URL.

# HashKey Chain

> Access HashKey Chain blockchain data through the Portal API.

| Property    | Value             |
| ----------- | ----------------- |
| Network ID  | `hashkey-mainnet` |
| Chain ID    | `177`             |
| Real-time   | No                |
| Traces      | ✓                 |
| State Diffs | ✓                 |

## Endpoint

```
https://portal.sqd.dev/datasets/hashkey-mainnet
```

## Quick start

```bash theme={"system"}
curl --compressed -X POST \
  'https://portal.sqd.dev/datasets/hashkey-mainnet/stream' \
  -H 'Content-Type: application/json' \
  -d '{
    "type": "evm",
    "fromBlock": 0,
    "toBlock": 100,
    "fields": {
      "block": { "number": true, "timestamp": true },
      "transaction": { "hash": true, "from": true, "to": true, "value": true }
    },
    "transactions": [{}]
  }'
```

For full SDK examples:

<CardGroup cols={2}>
  <Card title="Pipes SDK Quickstart" icon="text-align-start" href="/en/sdk/pipes-sdk/evm/quickstart">
    Streaming pipeline indexer
  </Card>

  <Card title="Squid SDK Quickstart" icon="server" href="/en/sdk/squid-sdk/quickstart">
    GraphQL API indexer
  </Card>
</CardGroup>

## Reference

<CardGroup cols={2}>
  <Card title="API Reference" icon="code" href="/en/portal/evm/api">
    Field definitions and query syntax
  </Card>

  <Card title="Portal Migration" icon="arrow-right" href="/en/portal/migration">
    Migrate from v2 archives to Portal
  </Card>
</CardGroup>


## Related topics

- [BNB Smart Chain](/en/data/evm/binance-mainnet.md)
- [Bitcoin query builder](/en/sdk/pipes-sdk/bitcoin/reference/basic-components/query-builder.md)
- [BNB Smart Chain Testnet](/en/data/evm/binance-testnet.md)
- [Chainflip](/en/data/substrate/chainflip.md)
- [Blockchain forks and recovery](/en/portal/introduction/blockchain-forks.md)