diff --git a/src/api/client.ts b/src/api/client.ts
index ca21b3a..b042741 100644
--- a/src/api/client.ts
+++ b/src/api/client.ts
@@ -295,7 +295,7 @@ export class LightcurveApiClient {
   }
 
   async downloadTableData(sourceId: string, ext: DataFileExtensions) {
-    const endpoint = `${this.baseUrl}/lightcurves/${sourceId}/all/download?format=${ext}`;
+    const endpoint = `${this.baseUrl}/lightcurves/${sourceId}.${ext}`;
     const url = await this.getUrl(endpoint, 'source-data');
     const filename = this.makeFileName('source-data', sourceId, null, ext);
     this.download(url, filename);
diff --git a/src/components/LightcurveDataTable.tsx b/src/components/LightcurveDataTable.tsx
index 931b3d3..0fdd3a1 100644
--- a/src/components/LightcurveDataTable.tsx
+++ b/src/components/LightcurveDataTable.tsx
@@ -151,9 +151,7 @@ export function LightcurveDataTable({
               type="button"
               className="download-data-btn"
               onClick={downloadData}
-              // title="Download light curve data"
-              title="This feature is currently unavailable."
-              disabled
+              title="Download light curve data"
             >
               <DownloadIcon width={12} height={12} />
             </button>
diff --git a/src/components/SkyExplorer.tsx b/src/components/SkyExplorer.tsx
index 7b7607d..61db6c2 100644
--- a/src/components/SkyExplorer.tsx
+++ b/src/components/SkyExplorer.tsx
@@ -194,7 +194,6 @@ export function SkyExplorer({
                 dataDownloadExt as DataFileExtensions
               )
             }
-            disabled
           >
             <DownloadIcon width={12} height={12} />
           </button>
diff --git a/src/configs/constants.ts b/src/configs/constants.ts
index d897dd8..80f50dc 100644
--- a/src/configs/constants.ts
+++ b/src/configs/constants.ts
@@ -25,7 +25,7 @@ export const DEFAULT_SOURCES_PER_PAGE = Number(
 
 export const CUTOUT_EXT_OPTIONS = ['png', 'fits', 'hdf5'];
 
-export const DATA_EXT_OPTIONS = ['hdf5', 'csv'];
+export const DATA_EXT_OPTIONS = ['parquet', 'hdf5', 'csv'];
 
 export const BINNING_STRATEGY_OPTIONS: Exclude<BinningStrategy, 'none'>[] = [
   '1 day',
diff --git a/src/types/index.ts b/src/types/index.ts
index 3e365a5..4fe005a 100644
--- a/src/types/index.ts
+++ b/src/types/index.ts
@@ -258,7 +258,7 @@ export type BinnedLightcurveData = {
 export type CutoutFileExtensions = 'fits' | 'png' | 'hdf5';
 
 /** Literal type of possible light curve data file extensions */
-export type DataFileExtensions = 'csv' | 'hdf5';
+export type DataFileExtensions = 'csv' | 'hdf5' | 'parquet';
 
 export function isFrequencyLightcurveData(
   obj: unknown
diff --git a/tests/api/client.test.ts b/tests/api/client.test.ts
index 02a68e4..3ffedb4 100644
--- a/tests/api/client.test.ts
+++ b/tests/api/client.test.ts
@@ -172,7 +172,7 @@ describe('LightcurveApiClient', () => {
       await client.downloadTableData('src-1', 'csv');
 
       expect(fetchMock).toHaveBeenCalledWith(
-        `${BASE_URL}/lightcurves/src-1/all/download?format=csv`
+        `${BASE_URL}/lightcurves/src-1.csv`
       );
 
       const anchor = appendChildSpy.mock.calls