[**brk-client**](../README.md) *** [brk-client](../globals.md) / DateSeriesEndpoint # Interface: DateSeriesEndpoint\ Defined in: [Developer/brk/modules/brk-client/index.js:1191](https://github.com/bitcoinresearchkit/brk/blob/d4dc1b9e4900e3787f2a133b8cac5d304acff9bf/modules/brk-client/index.js#L1191) ## Type Parameters ### T `T` ## Properties ### fetch > **fetch**: (`onUpdate?`) => `Promise`\<[`DateSeriesData`](../type-aliases/DateSeriesData.md)\<`T`\>\> Defined in: [Developer/brk/modules/brk-client/index.js:1197](https://github.com/bitcoinresearchkit/brk/blob/d4dc1b9e4900e3787f2a133b8cac5d304acff9bf/modules/brk-client/index.js#L1197) Fetch all data #### Parameters ##### onUpdate? (`value`) => `void` #### Returns `Promise`\<[`DateSeriesData`](../type-aliases/DateSeriesData.md)\<`T`\>\> *** ### fetchCsv > **fetchCsv**: () => `Promise`\<`string`\> Defined in: [Developer/brk/modules/brk-client/index.js:1198](https://github.com/bitcoinresearchkit/brk/blob/d4dc1b9e4900e3787f2a133b8cac5d304acff9bf/modules/brk-client/index.js#L1198) Fetch all data as CSV #### Returns `Promise`\<`string`\> *** ### first > **first**: (`n`) => [`DateRangeBuilder`](DateRangeBuilder.md)\<`T`\> Defined in: [Developer/brk/modules/brk-client/index.js:1194](https://github.com/bitcoinresearchkit/brk/blob/d4dc1b9e4900e3787f2a133b8cac5d304acff9bf/modules/brk-client/index.js#L1194) 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:1192](https://github.com/bitcoinresearchkit/brk/blob/d4dc1b9e4900e3787f2a133b8cac5d304acff9bf/modules/brk-client/index.js#L1192) 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:1195](https://github.com/bitcoinresearchkit/brk/blob/d4dc1b9e4900e3787f2a133b8cac5d304acff9bf/modules/brk-client/index.js#L1195) Get last n items #### Parameters ##### n `number` #### Returns [`DateRangeBuilder`](DateRangeBuilder.md)\<`T`\> *** ### path > **path**: `string` Defined in: [Developer/brk/modules/brk-client/index.js:1200](https://github.com/bitcoinresearchkit/brk/blob/d4dc1b9e4900e3787f2a133b8cac5d304acff9bf/modules/brk-client/index.js#L1200) The endpoint path *** ### skip > **skip**: (`n`) => [`DateSkippedBuilder`](DateSkippedBuilder.md)\<`T`\> Defined in: [Developer/brk/modules/brk-client/index.js:1196](https://github.com/bitcoinresearchkit/brk/blob/d4dc1b9e4900e3787f2a133b8cac5d304acff9bf/modules/brk-client/index.js#L1196) 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:1193](https://github.com/bitcoinresearchkit/brk/blob/d4dc1b9e4900e3787f2a133b8cac5d304acff9bf/modules/brk-client/index.js#L1193) 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:1199](https://github.com/bitcoinresearchkit/brk/blob/d4dc1b9e4900e3787f2a133b8cac5d304acff9bf/modules/brk-client/index.js#L1199) Thenable (await endpoint)