[**brk-client**](../README.md) *** [brk-client](../globals.md) / DateSeriesEndpoint # Interface: DateSeriesEndpoint\ Defined in: [Developer/brk/modules/brk-client/index.js:1684](https://github.com/bitcoinresearchkit/brk/blob/e23554811be77a28474c946e0b8ab586d4075ec9/modules/brk-client/index.js#L1684) ## Type Parameters ### T `T` ## Properties ### fetch > **fetch**: (`onValue?`) => `Promise`\<[`DateSeriesData`](../type-aliases/DateSeriesData.md)\<`T`\>\> Defined in: [Developer/brk/modules/brk-client/index.js:1690](https://github.com/bitcoinresearchkit/brk/blob/e23554811be77a28474c946e0b8ab586d4075ec9/modules/brk-client/index.js#L1690) Fetch all data #### Parameters ##### onValue? (`value`) => `void` #### Returns `Promise`\<[`DateSeriesData`](../type-aliases/DateSeriesData.md)\<`T`\>\> *** ### fetchCsv > **fetchCsv**: () => `Promise`\<`string`\> Defined in: [Developer/brk/modules/brk-client/index.js:1691](https://github.com/bitcoinresearchkit/brk/blob/e23554811be77a28474c946e0b8ab586d4075ec9/modules/brk-client/index.js#L1691) Fetch all data as CSV #### Returns `Promise`\<`string`\> *** ### first > **first**: (`n`) => [`DateRangeBuilder`](DateRangeBuilder.md)\<`T`\> Defined in: [Developer/brk/modules/brk-client/index.js:1687](https://github.com/bitcoinresearchkit/brk/blob/e23554811be77a28474c946e0b8ab586d4075ec9/modules/brk-client/index.js#L1687) Get first n items #### Parameters ##### n `number` #### Returns [`DateRangeBuilder`](DateRangeBuilder.md)\<`T`\> *** ### get > **get**: (`index`) => [`DateSingleItemBuilder`](DateSingleItemBuilder.md)\<`T`\> Defined in: [Developer/brk/modules/brk-client/index.js:1685](https://github.com/bitcoinresearchkit/brk/blob/e23554811be77a28474c946e0b8ab586d4075ec9/modules/brk-client/index.js#L1685) Get single item at index or Date #### Parameters ##### index `number` \| `Date` #### Returns [`DateSingleItemBuilder`](DateSingleItemBuilder.md)\<`T`\> *** ### last > **last**: (`n`) => [`DateRangeBuilder`](DateRangeBuilder.md)\<`T`\> Defined in: [Developer/brk/modules/brk-client/index.js:1688](https://github.com/bitcoinresearchkit/brk/blob/e23554811be77a28474c946e0b8ab586d4075ec9/modules/brk-client/index.js#L1688) Get last n items #### Parameters ##### n `number` #### Returns [`DateRangeBuilder`](DateRangeBuilder.md)\<`T`\> *** ### len > **len**: () => `Promise`\<`number`\> Defined in: [Developer/brk/modules/brk-client/index.js:1692](https://github.com/bitcoinresearchkit/brk/blob/e23554811be77a28474c946e0b8ab586d4075ec9/modules/brk-client/index.js#L1692) Get total number of data points #### Returns `Promise`\<`number`\> *** ### path > **path**: `string` Defined in: [Developer/brk/modules/brk-client/index.js:1695](https://github.com/bitcoinresearchkit/brk/blob/e23554811be77a28474c946e0b8ab586d4075ec9/modules/brk-client/index.js#L1695) The endpoint path *** ### skip > **skip**: (`n`) => [`DateSkippedBuilder`](DateSkippedBuilder.md)\<`T`\> Defined in: [Developer/brk/modules/brk-client/index.js:1689](https://github.com/bitcoinresearchkit/brk/blob/e23554811be77a28474c946e0b8ab586d4075ec9/modules/brk-client/index.js#L1689) Skip first n items, chain with take() #### Parameters ##### n `number` #### Returns [`DateSkippedBuilder`](DateSkippedBuilder.md)\<`T`\> *** ### slice > **slice**: (`start?`, `end?`) => [`DateRangeBuilder`](DateRangeBuilder.md)\<`T`\> Defined in: [Developer/brk/modules/brk-client/index.js:1686](https://github.com/bitcoinresearchkit/brk/blob/e23554811be77a28474c946e0b8ab586d4075ec9/modules/brk-client/index.js#L1686) Slice by index or Date #### Parameters ##### start? `number` \| `Date` ##### end? `number` \| `Date` #### Returns [`DateRangeBuilder`](DateRangeBuilder.md)\<`T`\> *** ### then > **then**: [`DateThenable`](../type-aliases/DateThenable.md)\<`T`\> Defined in: [Developer/brk/modules/brk-client/index.js:1694](https://github.com/bitcoinresearchkit/brk/blob/e23554811be77a28474c946e0b8ab586d4075ec9/modules/brk-client/index.js#L1694) Thenable (await endpoint) *** ### version > **version**: () => `Promise`\<`number`\> Defined in: [Developer/brk/modules/brk-client/index.js:1693](https://github.com/bitcoinresearchkit/brk/blob/e23554811be77a28474c946e0b8ab586d4075ec9/modules/brk-client/index.js#L1693) Get the current version of the series #### Returns `Promise`\<`number`\>