diff --git a/uiapi/handlers.go b/uiapi/handlers.go
index 3ae45e92..aac20896 100644
--- a/uiapi/handlers.go
+++ b/uiapi/handlers.go
@@ -14,6 +14,7 @@ import (
 	"github.com/gocarina/gocsv"
 	"github.com/labstack/echo/v4"
 	"github.com/newrelic/go-agent/v3/newrelic"
+	"google.golang.org/protobuf/types/known/timestamppb"
 	"gorm.io/gorm"
 )
 
@@ -785,6 +786,7 @@ func (h handler) GetAnnualSummary(c echo.Context) error {
 		return c.JSON(http.StatusInternalServerError, fmt.Sprintf("Algo deu errado ao tentar coletar os dados anuais do orgao=%s", agencyName))
 	}
 	var annualData []annualSummaryData
+	var t *timestamppb.Timestamp
 	for _, s := range summaries {
 		baseRemPerMonth := s.BaseRemuneration / float64(s.NumMonthsWithData)
 		baseRemPerCapita := s.BaseRemuneration / float64(s.TotalCount)
@@ -811,6 +813,9 @@ func (h handler) GetAnnualSummary(c echo.Context) error {
 				Size: s.Package.Size,
 			},
 		})
+		if s.Timestamp.AsTime().After(t.AsTime()) {
+			t = s.Timestamp
+		}
 	}
 	var collect []collecting
 	var hasData bool
@@ -821,6 +826,11 @@ func (h handler) GetAnnualSummary(c echo.Context) error {
 		})
 		hasData = c.Collecting
 	}
+
+	crawlingTimestamp := timestamp{
+		Seconds: t.GetSeconds(),
+		Nanos:   t.GetNanos(),
+	}
 	annualSum := annualSummary{
 		Agency: &agency{
 			ID:            strAgency.ID,
@@ -834,7 +844,8 @@ func (h handler) GetAnnualSummary(c echo.Context) error {
 			OmbudsmanURL:  strAgency.OmbudsmanURL,
 			HasData:       hasData,
 		},
-		Data: annualData,
+		Data:              annualData,
+		CrawlingTimestamp: crawlingTimestamp,
 	}
 	return c.JSON(http.StatusOK, annualSum)
 }
diff --git a/uiapi/models.go b/uiapi/models.go
index aa0503da..45b41a14 100644
--- a/uiapi/models.go
+++ b/uiapi/models.go
@@ -241,8 +241,9 @@ type collecting struct {
 }
 
 type annualSummary struct {
-	Agency *agency             `json:"orgao,omitempty"`
-	Data   []annualSummaryData `json:"dados_anuais,omitempty"`
+	Agency            *agency             `json:"orgao,omitempty"`
+	CrawlingTimestamp timestamp           `json:"timestamp,omitempty"`
+	Data              []annualSummaryData `json:"dados_anuais,omitempty"`
 }
 
 type annualSummaryData struct {
diff --git a/uiapi/uiapi_test.go b/uiapi/uiapi_test.go
index accdb0fa..d8d26e9b 100644
--- a/uiapi/uiapi_test.go
+++ b/uiapi/uiapi_test.go
@@ -1323,6 +1323,10 @@ func (g getAnnualSummary) testWhenDataExists(t *testing.T) {
 				"ouvidoria": "http://www.tjal.jus.br/ombudsman",
 				"url": "example.com/v2/orgao/tjal"
 			},
+			"timestamp": {
+				"nanos":0, 
+				"seconds":0
+			},
 			"dados_anuais": [
 				{
 					"ano": 2020,
@@ -1477,6 +1481,10 @@ func (g getAnnualSummary) testWhenAgencyDoesNotHaveData(t *testing.T) {
 				"twitter_handle": "tjaloficial",
 				"ouvidoria": "http://www.tjal.jus.br/ombudsman",
 				"url": "example.com/v2/orgao/tjal"
+			},
+			"timestamp": {
+				"nanos":0, 
+				"seconds":0
 			}
 		}
 	`