diff --git a/src/controller/contribution.controller.ts b/src/controller/contribution.controller.ts
index d7eec92..c4c387b 100644
--- a/src/controller/contribution.controller.ts
+++ b/src/controller/contribution.controller.ts
@@ -3,6 +3,7 @@ import {
   ContributionListQuery,
   CreateContributionBody,
   DeleteContributionBody,
+  GetAllocationDetailsQuery,
   PrepareClaimBody,
   UpdateContributionStateBody,
 } from '@core/type/doc/contribution';
@@ -64,4 +65,10 @@ export class ContributionController {
     await this.contributionService.deleteContribution(contributionId, body);
     return CoreApiResponse.success();
   }
+
+  @Get('allocationDetails')
+  async getAllocationDetails(@Query() query: GetAllocationDetailsQuery) {
+    const data = await this.contributionService.getAllocationDetails(query);
+    return CoreApiResponse.success(data);
+  }
 }
diff --git a/src/core/service/contribution.service.ts b/src/core/service/contribution.service.ts
index 657aac4..43a353c 100644
--- a/src/core/service/contribution.service.ts
+++ b/src/core/service/contribution.service.ts
@@ -3,6 +3,7 @@ import {
   ContributionListQuery,
   CreateContributionBody,
   DeleteContributionBody,
+  GetAllocationDetailsQuery,
   PrepareClaimBody,
   UpdateContributionStateBody,
 } from '@core/type/doc/contribution';
@@ -292,4 +293,42 @@ export class ContributionService {
       },
     });
   }
+
+  async getAllocationDetails(query: GetAllocationDetailsQuery) {
+    const { endDate, startDate, projectId } = query;
+    const project = await this.prisma.project.findFirst({
+      where: {
+        id: projectId,
+        deleted: false,
+      },
+    });
+    if (!project) {
+      throw new HttpException(
+        Code.NOT_FOUND_ERROR.message,
+        Code.NOT_FOUND_ERROR.code,
+      );
+    }
+    const contributions = await this.prisma.contribution.findMany({
+      where: {
+        projectId,
+        deleted: false,
+        status: Status.CLAIM,
+        startDate: {
+          gte: new Date(startDate),
+        },
+        endDate: {
+          lte: new Date(endDate),
+        },
+      },
+    });
+    const data: Record<string, number> = {};
+    contributions.forEach((item) => {
+      const contributorId = item.toIds[0];
+      if (!data[contributorId]) {
+        data[contributorId] = 0;
+      }
+      data[contributorId] += item.credit;
+    });
+    return data;
+  }
 }
diff --git a/src/core/type/doc/contribution.ts b/src/core/type/doc/contribution.ts
index e7554b9..44fa71e 100644
--- a/src/core/type/doc/contribution.ts
+++ b/src/core/type/doc/contribution.ts
@@ -102,3 +102,22 @@ export class PrepareClaimBody {
 }
 
 export class DeleteContributionBody extends AuthBody {}
+
+export class GetAllocationDetailsQuery {
+  @IsNotEmpty()
+  @IsString()
+  @ApiProperty({ type: 'string' })
+  projectId: string;
+
+  @IsNotEmpty()
+  @IsNumber()
+  @Type(() => Number)
+  @ApiProperty({ type: 'number' })
+  startDate: number;
+
+  @IsNotEmpty()
+  @IsNumber()
+  @Type(() => Number)
+  @ApiProperty({ type: 'number' })
+  endDate: number;
+}