# downloadPiece

> **downloadPiece**(`options`): [`Promise`](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Promise)\<[`ReturnType`](/reference/filoz/synapse-core/sp/namespaces/downloadpiece/type-aliases/returntype/)\>

Defined in: [packages/synapse-core/src/sp/sp.ts:634](https://github.com/FilOzone/synapse-sdk/blob/2c515fb6328c4f7a68ed82653d96ab11299e177d/packages/synapse-core/src/sp/sp.ts#L634)

Download a piece and verify from the PDP API.

GET /piece/{pieceCid}

## Parameters

| Parameter | Type | Description |
| ------ | ------ | ------ |
| `options` | [`OptionsType`](/reference/filoz/synapse-core/sp/namespaces/downloadpiece/type-aliases/optionstype/) | [downloadPiece.OptionsType](/reference/filoz/synapse-core/sp/namespaces/downloadpiece/type-aliases/optionstype/) |

## Returns

[`Promise`](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Promise)\<[`ReturnType`](/reference/filoz/synapse-core/sp/namespaces/downloadpiece/type-aliases/returntype/)\>

Data [downloadPiece.ReturnType](/reference/filoz/synapse-core/sp/namespaces/downloadpiece/type-aliases/returntype/)

## Throws

Errors [downloadPiece.ErrorType](/reference/filoz/synapse-core/sp/namespaces/downloadpiece/type-aliases/errortype/)