solana/docs/src/api/deprecated/_getConfirmedBlocks.mdx

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import {
DocBlock,
DocSideBySide,
CodeParams,
Parameter,
Field,
Values,
CodeSnippets,
} from "../../../components/CodeDocBlock";
<DocBlock>
## getConfirmedBlocks
:::warning DEPRECATED
This method is expected to be removed in solana-core v2.0
**Please use [getBlocks](#getblocks) instead**
:::
Returns a list of confirmed blocks between two slots
<DocSideBySide>
<CodeParams>
### Parameters:
<Parameter type={"u64"} required={true}>
start_slot, as u64 integer
</Parameter>
<Parameter type={"object"} optional={true}>
Configuration object containing the following fields:
<Field
name="commitment"
type="string"
optional={true}
href="/api/http#configuring-state-commitment"
></Field>
</Parameter>
### Result:
The result field will be an array of u64 integers listing confirmed blocks
between `start_slot` and either `end_slot` - if provided, or latest confirmed block,
inclusive. Max range allowed is 500,000 slots.
</CodeParams>
<CodeSnippets>
### Code sample:
```bash
curl http://localhost:8899 -X POST -H "Content-Type: application/json" -d '
{"jsonrpc": "2.0","id":1,"method":"getConfirmedBlocks","params":[5, 10]}
'
```
### Response:
```json
{ "jsonrpc": "2.0", "result": [5, 6, 7, 8, 9, 10], "id": 1 }
```
</CodeSnippets>
</DocSideBySide>
</DocBlock>