[**brk-client**](../README.md) *** [brk-client](../globals.md) / DateSeriesEndpoint # Interface: DateSeriesEndpoint\ Defined in: [Developer/brk/modules/brk-client/index.js:1476](https://github.com/bitcoinresearchkit/brk/blob/e4496742a4964a986078f3a65d3bfdc1e47a5eba/modules/brk-client/index.js#L1476) ## Type Parameters ### T `T` ## Properties ### fetch > **fetch**: (`onUpdate?`) => `Promise`\<[`DateSeriesData`](../type-aliases/DateSeriesData.md)\<`T`\>\> Defined in: [Developer/brk/modules/brk-client/index.js:1482](https://github.com/bitcoinresearchkit/brk/blob/e4496742a4964a986078f3a65d3bfdc1e47a5eba/modules/brk-client/index.js#L1482) 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:1483](https://github.com/bitcoinresearchkit/brk/blob/e4496742a4964a986078f3a65d3bfdc1e47a5eba/modules/brk-client/index.js#L1483) Fetch all data as CSV #### Returns `Promise`\<`string`\> *** ### first > **first**: (`n`) => [`DateRangeBuilder`](DateRangeBuilder.md)\<`T`\> Defined in: [Developer/brk/modules/brk-client/index.js:1479](https://github.com/bitcoinresearchkit/brk/blob/e4496742a4964a986078f3a65d3bfdc1e47a5eba/modules/brk-client/index.js#L1479) 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:1477](https://github.com/bitcoinresearchkit/brk/blob/e4496742a4964a986078f3a65d3bfdc1e47a5eba/modules/brk-client/index.js#L1477) 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:1480](https://github.com/bitcoinresearchkit/brk/blob/e4496742a4964a986078f3a65d3bfdc1e47a5eba/modules/brk-client/index.js#L1480) Get last n items #### Parameters ##### n `number` #### Returns [`DateRangeBuilder`](DateRangeBuilder.md)\<`T`\> *** ### path > **path**: `string` Defined in: [Developer/brk/modules/brk-client/index.js:1485](https://github.com/bitcoinresearchkit/brk/blob/e4496742a4964a986078f3a65d3bfdc1e47a5eba/modules/brk-client/index.js#L1485) The endpoint path *** ### skip > **skip**: (`n`) => [`DateSkippedBuilder`](DateSkippedBuilder.md)\<`T`\> Defined in: [Developer/brk/modules/brk-client/index.js:1481](https://github.com/bitcoinresearchkit/brk/blob/e4496742a4964a986078f3a65d3bfdc1e47a5eba/modules/brk-client/index.js#L1481) 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:1478](https://github.com/bitcoinresearchkit/brk/blob/e4496742a4964a986078f3a65d3bfdc1e47a5eba/modules/brk-client/index.js#L1478) 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:1484](https://github.com/bitcoinresearchkit/brk/blob/e4496742a4964a986078f3a65d3bfdc1e47a5eba/modules/brk-client/index.js#L1484) Thenable (await endpoint)