diff --git a/src/index.ts b/src/index.ts
index dda6dec..ff0b61a 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -2,6 +2,7 @@ export * from './client.js';
 export * from './constants.js';
 export * from './filters.js';
 export * from './geo.js';
+export * from './sources/index.js';
 export * from './widget-sources/index.js';
 export * from './types.js';
 
@@ -15,39 +16,3 @@ export {
   query,
   requestWithParameters,
 } from './api/index.js';
-
-export {
-  BoundaryQuerySourceOptions,
-  BoundaryTableSourceOptions,
-  GeojsonResult,
-  H3QuerySourceOptions,
-  H3TableSourceOptions,
-  H3TilesetSourceOptions,
-  JsonResult,
-  QuadbinQuerySourceOptions,
-  QuadbinTableSourceOptions,
-  QuadbinTilesetSourceOptions,
-  QueryResult,
-  QuerySourceOptions,
-  RasterSourceOptions,
-  SOURCE_DEFAULTS,
-  SourceOptions,
-  TableSourceOptions,
-  TilejsonResult,
-  TilesetSourceOptions,
-  VectorQuerySourceOptions,
-  VectorTableSourceOptions,
-  VectorTilesetSourceOptions,
-  boundaryQuerySource,
-  boundaryTableSource,
-  h3QuerySource,
-  h3TableSource,
-  h3TilesetSource,
-  quadbinQuerySource,
-  quadbinTableSource,
-  quadbinTilesetSource,
-  rasterSource,
-  vectorQuerySource,
-  vectorTableSource,
-  vectorTilesetSource,
-} from './sources/index.js';
diff --git a/src/sources/boundary-query-source.ts b/src/sources/boundary-query-source.ts
index de2d7bf..c5f6379 100644
--- a/src/sources/boundary-query-source.ts
+++ b/src/sources/boundary-query-source.ts
@@ -21,9 +21,11 @@ type UrlParameters = {
   queryParameters?: Record<string, unknown> | unknown[];
 };
 
+export type BoundaryQuerySourceResponse = TilejsonResult;
+
 export const boundaryQuerySource = async function (
   options: BoundaryQuerySourceOptions
-): Promise<TilejsonResult> {
+): Promise<BoundaryQuerySourceResponse> {
   const {
     columns,
     filters,
@@ -49,5 +51,5 @@ export const boundaryQuerySource = async function (
     'boundary',
     options,
     urlParameters
-  ) as Promise<TilejsonResult>;
+  ) as Promise<BoundaryQuerySourceResponse>;
 };
diff --git a/src/sources/boundary-table-source.ts b/src/sources/boundary-table-source.ts
index 05d3dae..23ad270 100644
--- a/src/sources/boundary-table-source.ts
+++ b/src/sources/boundary-table-source.ts
@@ -18,9 +18,11 @@ type UrlParameters = {
   propertiesTableName: string;
 };
 
+export type BoundaryTableSourceResponse = TilejsonResult;
+
 export const boundaryTableSource = async function (
   options: BoundaryTableSourceOptions
-): Promise<TilejsonResult> {
+): Promise<BoundaryTableSourceResponse> {
   const {filters, tilesetTableName, columns, propertiesTableName} = options;
   const urlParameters: UrlParameters = {
     tilesetTableName,
@@ -37,5 +39,5 @@ export const boundaryTableSource = async function (
     'boundary',
     options,
     urlParameters
-  ) as Promise<TilejsonResult>;
+  ) as Promise<BoundaryTableSourceResponse>;
 };
diff --git a/src/sources/h3-query-source.ts b/src/sources/h3-query-source.ts
index 230b357..a08eef7 100644
--- a/src/sources/h3-query-source.ts
+++ b/src/sources/h3-query-source.ts
@@ -29,9 +29,11 @@ type UrlParameters = {
   filters?: Record<string, unknown>;
 };
 
+export type H3QuerySourceResponse = TilejsonResult & WidgetQuerySourceResult;
+
 export const h3QuerySource = async function (
   options: H3QuerySourceOptions
-): Promise<TilejsonResult & WidgetQuerySourceResult> {
+): Promise<H3QuerySourceResponse> {
   const {
     aggregationExp,
     aggregationResLevel = DEFAULT_AGGREGATION_RES_LEVEL_H3,
diff --git a/src/sources/h3-table-source.ts b/src/sources/h3-table-source.ts
index 6bad8a9..43b62d7 100644
--- a/src/sources/h3-table-source.ts
+++ b/src/sources/h3-table-source.ts
@@ -29,9 +29,11 @@ type UrlParameters = {
   filters?: Record<string, unknown>;
 };
 
+export type H3TableSourceResponse = TilejsonResult & WidgetTableSourceResult;
+
 export const h3TableSource = async function (
   options: H3TableSourceOptions
-): Promise<TilejsonResult & WidgetTableSourceResult> {
+): Promise<H3TableSourceResponse> {
   const {
     aggregationExp,
     aggregationResLevel = DEFAULT_AGGREGATION_RES_LEVEL_H3,
diff --git a/src/sources/h3-tileset-source.ts b/src/sources/h3-tileset-source.ts
index ac1752c..eae15cc 100644
--- a/src/sources/h3-tileset-source.ts
+++ b/src/sources/h3-tileset-source.ts
@@ -12,9 +12,11 @@ import type {
 export type H3TilesetSourceOptions = SourceOptions & TilesetSourceOptions;
 type UrlParameters = {name: string};
 
+export type H3TilesetSourceResponse = TilejsonResult;
+
 export const h3TilesetSource = async function (
   options: H3TilesetSourceOptions
-): Promise<TilejsonResult> {
+): Promise<H3TilesetSourceResponse> {
   const {tableName} = options;
   const urlParameters: UrlParameters = {name: tableName};
 
@@ -22,5 +24,5 @@ export const h3TilesetSource = async function (
     'tileset',
     options,
     urlParameters
-  ) as Promise<TilejsonResult>;
+  ) as Promise<H3TilesetSourceResponse>;
 };
diff --git a/src/sources/index.ts b/src/sources/index.ts
index 99028fa..2d2d148 100644
--- a/src/sources/index.ts
+++ b/src/sources/index.ts
@@ -4,56 +4,86 @@
 
 export {SOURCE_DEFAULTS} from './base-source';
 export type {
-  VectorLayer,
-  RasterMetadataBandStats,
-  RasterBandColorinterp,
-  RasterMetadataBand,
-  RasterMetadata,
-  TilejsonResult,
   GeojsonResult,
   JsonResult,
   QueryResult,
+  QuerySourceOptions,
+  RasterBandColorinterp,
+  RasterMetadata,
+  RasterMetadataBand,
+  RasterMetadataBandStats,
+  SourceOptions,
+  TableSourceOptions,
+  TilejsonResult,
+  TilesetSourceOptions,
+  VectorLayer,
 } from './types';
 
 export {boundaryQuerySource} from './boundary-query-source';
-export type {BoundaryQuerySourceOptions} from './boundary-query-source';
+export type {
+  BoundaryQuerySourceOptions,
+  BoundaryQuerySourceResponse,
+} from './boundary-query-source';
 
 export {boundaryTableSource} from './boundary-table-source';
-export type {BoundaryTableSourceOptions} from './boundary-table-source';
+export type {
+  BoundaryTableSourceOptions,
+  BoundaryTableSourceResponse,
+} from './boundary-table-source';
 
 export {h3QuerySource} from './h3-query-source';
-export type {H3QuerySourceOptions} from './h3-query-source';
+export type {
+  H3QuerySourceOptions,
+  H3QuerySourceResponse,
+} from './h3-query-source';
 
 export {h3TableSource} from './h3-table-source';
-export type {H3TableSourceOptions} from './h3-table-source';
+export type {
+  H3TableSourceOptions,
+  H3TableSourceResponse,
+} from './h3-table-source';
 
 export {h3TilesetSource} from './h3-tileset-source';
-export type {H3TilesetSourceOptions} from './h3-tileset-source';
+export type {
+  H3TilesetSourceOptions,
+  H3TilesetSourceResponse,
+} from './h3-tileset-source';
 
 export {rasterSource} from './raster-source';
-export type {RasterSourceOptions} from './raster-source';
+export type {RasterSourceOptions, RasterSourceResponse} from './raster-source';
 
 export {quadbinQuerySource} from './quadbin-query-source';
-export type {QuadbinQuerySourceOptions} from './quadbin-query-source';
+export type {
+  QuadbinQuerySourceOptions,
+  QuadbinQuerySourceResponse,
+} from './quadbin-query-source';
 
 export {quadbinTableSource} from './quadbin-table-source';
-export type {QuadbinTableSourceOptions} from './quadbin-table-source';
+export type {
+  QuadbinTableSourceOptions,
+  QuadbinTableSourceResponse,
+} from './quadbin-table-source';
 
 export {quadbinTilesetSource} from './quadbin-tileset-source';
-export type {QuadbinTilesetSourceOptions} from './quadbin-tileset-source';
+export type {
+  QuadbinTilesetSourceOptions,
+  QuadbinTilesetSourceResponse,
+} from './quadbin-tileset-source';
 
 export {vectorQuerySource} from './vector-query-source';
-export type {VectorQuerySourceOptions} from './vector-query-source';
+export type {
+  VectorQuerySourceOptions,
+  VectorQuerySourceResponse,
+} from './vector-query-source';
 
 export {vectorTableSource} from './vector-table-source';
-export type {VectorTableSourceOptions} from './vector-table-source';
+export type {
+  VectorTableSourceOptions,
+  VectorTableSourceResponse,
+} from './vector-table-source';
 
 export {vectorTilesetSource} from './vector-tileset-source';
-export type {VectorTilesetSourceOptions} from './vector-tileset-source';
-
 export type {
-  SourceOptions,
-  QuerySourceOptions,
-  TableSourceOptions,
-  TilesetSourceOptions,
-} from './types';
+  VectorTilesetSourceOptions,
+  VectorTilesetSourceResponse,
+} from './vector-tileset-source';
diff --git a/src/sources/quadbin-query-source.ts b/src/sources/quadbin-query-source.ts
index 0e6ea7f..0f84bda 100644
--- a/src/sources/quadbin-query-source.ts
+++ b/src/sources/quadbin-query-source.ts
@@ -30,9 +30,12 @@ type UrlParameters = {
   filters?: Record<string, unknown>;
 };
 
+export type QuadbinQuerySourceResponse = TilejsonResult &
+  WidgetQuerySourceResult;
+
 export const quadbinQuerySource = async function (
   options: QuadbinQuerySourceOptions
-): Promise<TilejsonResult & WidgetQuerySourceResult> {
+): Promise<QuadbinQuerySourceResponse> {
   const {
     aggregationExp,
     aggregationResLevel = DEFAULT_AGGREGATION_RES_LEVEL_QUADBIN,
diff --git a/src/sources/quadbin-table-source.ts b/src/sources/quadbin-table-source.ts
index 91b7a1c..8f4555c 100644
--- a/src/sources/quadbin-table-source.ts
+++ b/src/sources/quadbin-table-source.ts
@@ -29,9 +29,12 @@ type UrlParameters = {
   filters?: Record<string, unknown>;
 };
 
+export type QuadbinTableSourceResponse = TilejsonResult &
+  WidgetTableSourceResult;
+
 export const quadbinTableSource = async function (
   options: QuadbinTableSourceOptions
-): Promise<TilejsonResult & WidgetTableSourceResult> {
+): Promise<QuadbinTableSourceResponse> {
   const {
     aggregationExp,
     aggregationResLevel = DEFAULT_AGGREGATION_RES_LEVEL_QUADBIN,
diff --git a/src/sources/quadbin-tileset-source.ts b/src/sources/quadbin-tileset-source.ts
index db188df..e7c87f6 100644
--- a/src/sources/quadbin-tileset-source.ts
+++ b/src/sources/quadbin-tileset-source.ts
@@ -12,9 +12,11 @@ import type {
 export type QuadbinTilesetSourceOptions = SourceOptions & TilesetSourceOptions;
 type UrlParameters = {name: string};
 
+export type QuadbinTilesetSourceResponse = TilejsonResult;
+
 export const quadbinTilesetSource = async function (
   options: QuadbinTilesetSourceOptions
-): Promise<TilejsonResult> {
+): Promise<QuadbinTilesetSourceResponse> {
   const {tableName} = options;
   const urlParameters: UrlParameters = {name: tableName};
 
@@ -22,5 +24,5 @@ export const quadbinTilesetSource = async function (
     'tileset',
     options,
     urlParameters
-  ) as Promise<TilejsonResult>;
+  ) as Promise<QuadbinTilesetSourceResponse>;
 };
diff --git a/src/sources/raster-source.ts b/src/sources/raster-source.ts
index 565ead4..9d878b7 100644
--- a/src/sources/raster-source.ts
+++ b/src/sources/raster-source.ts
@@ -18,9 +18,11 @@ type UrlParameters = {
   filters?: Record<string, unknown>;
 };
 
+export type RasterSourceResponse = TilejsonResult;
+
 export const rasterSource = async function (
   options: RasterSourceOptions
-): Promise<TilejsonResult> {
+): Promise<RasterSourceResponse> {
   const {tableName, filters} = options;
   const urlParameters: UrlParameters = {name: tableName};
   if (filters) {
@@ -30,5 +32,5 @@ export const rasterSource = async function (
     'raster',
     options,
     urlParameters
-  ) as Promise<TilejsonResult>;
+  ) as Promise<RasterSourceResponse>;
 };
diff --git a/src/sources/vector-query-source.ts b/src/sources/vector-query-source.ts
index 93db9a4..202095c 100644
--- a/src/sources/vector-query-source.ts
+++ b/src/sources/vector-query-source.ts
@@ -33,9 +33,12 @@ type UrlParameters = {
   queryParameters?: Record<string, unknown> | unknown[];
 };
 
+export type VectorQuerySourceResponse = TilejsonResult &
+  WidgetQuerySourceResult;
+
 export const vectorQuerySource = async function (
   options: VectorQuerySourceOptions
-): Promise<TilejsonResult & WidgetQuerySourceResult> {
+): Promise<VectorQuerySourceResponse> {
   const {
     columns,
     filters,
diff --git a/src/sources/vector-table-source.ts b/src/sources/vector-table-source.ts
index 85dc4db..62707ef 100644
--- a/src/sources/vector-table-source.ts
+++ b/src/sources/vector-table-source.ts
@@ -31,9 +31,12 @@ type UrlParameters = {
   name: string;
 };
 
+export type VectorTableSourceResponse = TilejsonResult &
+  WidgetTableSourceResult;
+
 export const vectorTableSource = async function (
   options: VectorTableSourceOptions
-): Promise<TilejsonResult & WidgetTableSourceResult> {
+): Promise<VectorTableSourceResponse> {
   const {
     columns,
     filters,
diff --git a/src/sources/vector-tileset-source.ts b/src/sources/vector-tileset-source.ts
index 506f64d..a2f42f4 100644
--- a/src/sources/vector-tileset-source.ts
+++ b/src/sources/vector-tileset-source.ts
@@ -12,9 +12,11 @@ import type {
 export type VectorTilesetSourceOptions = SourceOptions & TilesetSourceOptions;
 type UrlParameters = {name: string};
 
+export type VectorTilesetSourceResponse = TilejsonResult;
+
 export const vectorTilesetSource = async function (
   options: VectorTilesetSourceOptions
-): Promise<TilejsonResult> {
+): Promise<VectorTilesetSourceResponse> {
   const {tableName} = options;
   const urlParameters: UrlParameters = {name: tableName};
 
@@ -22,5 +24,5 @@ export const vectorTilesetSource = async function (
     'tileset',
     options,
     urlParameters
-  ) as Promise<TilejsonResult>;
+  ) as Promise<VectorTilesetSourceResponse>;
 };