diff --git a/src/financial-intelligence/dto.ts b/src/financial-intelligence/dto.ts
new file mode 100644
index 0000000..5085634
--- /dev/null
+++ b/src/financial-intelligence/dto.ts
@@ -0,0 +1,24 @@
+import { IsArray, IsNumber, IsOptional, IsString, ValidateNested } from 'class-validator';
+import { Type } from 'class-transformer';
+
+export class FinancialSignalItemDto {
+  @IsString() source: string;
+  @IsString() title: string;
+  @IsString() summary: string;
+  @IsOptional() @IsString() category?: string;
+  @IsOptional() @IsString() region?: string;
+  @IsOptional() @IsString() niche?: string;
+  @IsOptional() @IsString() indicatorCode?: string;
+  @IsOptional() @IsNumber() rawValue?: number;
+  @IsOptional() @IsNumber() changePercent?: number;
+  @IsOptional() @IsString() unit?: string;
+  @IsOptional() @IsString() severity?: string;
+  @IsOptional() @IsString() publishedAt?: string;
+  @IsOptional() @IsString() expiresAt?: string;
+}
+
+export class IngestSignalsDto {
+  @IsOptional() @IsString() tenantId?: string;
+  @IsArray() @ValidateNested({ each: true }) @Type(() => FinancialSignalItemDto)
+  signals: FinancialSignalItemDto[];
+}