diff --git a/pkg/kapis/devops/v1alpha2/devops.go b/pkg/kapis/devops/v1alpha2/devops.go
index d7aea16c59363f53ae0b6d2dbbd5ababe7b039ca..c9a8d50069960a8c1b942195ef959628f4c4c39f 100644
--- a/pkg/kapis/devops/v1alpha2/devops.go
+++ b/pkg/kapis/devops/v1alpha2/devops.go
@@ -20,6 +20,7 @@ package v1alpha2
 import (
 	"github.com/emicklei/go-restful"
 	log "k8s.io/klog"
+	"kubesphere.io/kubesphere/pkg/api"
 	"kubesphere.io/kubesphere/pkg/models/devops"
 	"net/http"
 	"strings"
@@ -622,6 +623,20 @@ func (h *ProjectPipelineHandler) ToJson(req *restful.Request, resp *restful.Resp
 	resp.WriteAsJson(res)
 }
 
+func (h *ProjectPipelineHandler) GetProjectCredentialUsage(req *restful.Request, resp *restful.Response) {
+	projectId := req.PathParameter("devops")
+	credentialId := req.PathParameter("credential")
+	response, err := h.projectCredentialGetter.GetProjectCredentialUsage(projectId, credentialId)
+	if err != nil {
+		log.Errorf("%+v", err)
+		api.HandleInternalError(resp, nil, err)
+		return
+	}
+	resp.WriteAsJson(response)
+	return
+
+}
+
 func parseErr(err error, resp *restful.Response) {
 	log.Error(err)
 	if jErr, ok := err.(*devops.JkError); ok {
diff --git a/pkg/kapis/devops/v1alpha2/handler.go b/pkg/kapis/devops/v1alpha2/handler.go
index 1f75177d33ed096bfc2afe78601532a78bfad1fb..d9fbe2c2dafc509657793035fec50e440c99ce95 100644
--- a/pkg/kapis/devops/v1alpha2/handler.go
+++ b/pkg/kapis/devops/v1alpha2/handler.go
@@ -11,9 +11,10 @@ import (
 )
 
 type ProjectPipelineHandler struct {
-	projectMemberOperator devops.ProjectMemberOperator
-	devopsOperator        devops.DevopsOperator
-	projectOperator       devops.ProjectOperator
+	projectMemberOperator   devops.ProjectMemberOperator
+	devopsOperator          devops.DevopsOperator
+	projectOperator         devops.ProjectOperator
+	projectCredentialGetter devops.ProjectCredentialGetter
 }
 
 type PipelineSonarHandler struct {
@@ -23,9 +24,10 @@ type PipelineSonarHandler struct {
 
 func NewProjectPipelineHandler(devopsClient devopsClient.Interface, dbClient *mysql.Database) ProjectPipelineHandler {
 	return ProjectPipelineHandler{
-		projectMemberOperator: devops.NewProjectMemberOperator(devopsClient, dbClient),
-		devopsOperator:        devops.NewDevopsOperator(devopsClient),
-		projectOperator:       devops.NewProjectOperator(dbClient),
+		projectMemberOperator:   devops.NewProjectMemberOperator(devopsClient, dbClient),
+		devopsOperator:          devops.NewDevopsOperator(devopsClient),
+		projectOperator:         devops.NewProjectOperator(dbClient),
+		projectCredentialGetter: devops.NewProjectCredentialOperator(devopsClient),
 	}
 }
 
diff --git a/pkg/kapis/devops/v1alpha2/register.go b/pkg/kapis/devops/v1alpha2/register.go
index d3f07bf30f5f53726fba22c573d8ca42d94cec06..0a889c36a689e0b5d5c58084eb4052d67366b672 100644
--- a/pkg/kapis/devops/v1alpha2/register.go
+++ b/pkg/kapis/devops/v1alpha2/register.go
@@ -80,6 +80,7 @@ func AddToContainer(c *restful.Container, devopsClient devops.Interface,
 
 	if projectPipleineEnable {
 		projectPipelineHander := NewProjectPipelineHandler(devopsClient, dbClient)
+
 		webservice.Route(webservice.GET("/devops/{devops}").
 			To(projectPipelineHander.GetDevOpsProjectHandler).
 			Doc("Get the specified DevOps Project").
@@ -156,6 +157,14 @@ func AddToContainer(c *restful.Container, devopsClient devops.Interface,
 			Param(webservice.PathParameter("member", "member's username, e.g. admin")).
 			Writes(devops.ProjectMembership{}))
 
+		webservice.Route(webservice.GET("/devops/{devops}/credentials/{credential}/usage").
+			To(projectPipelineHander.GetProjectCredentialUsage).
+			Doc("Get the specified credential usage of the DevOps project").
+			Metadata(restfulspec.KeyOpenAPITags, []string{constants.DevOpsProjectCredentialTag}).
+			Param(webservice.PathParameter("devops", "DevOps project's ID, e.g. project-RRRRAzLBlLEm")).
+			Param(webservice.PathParameter("credential", "credential's ID, e.g. dockerhub-id")).
+			Returns(http.StatusOK, RespOK, devops.Credential{}))
+
 		// match Jenkisn api "/blue/rest/organizations/jenkins/pipelines/{devops}/{pipeline}"
 		webservice.Route(webservice.GET("/devops/{devops}/pipelines/{pipeline}").
 			To(projectPipelineHander.GetPipeline).
diff --git a/pkg/models/devops/project_credential_handler.go b/pkg/models/devops/project_credential_handler.go
new file mode 100644
index 0000000000000000000000000000000000000000..d2cae36d580630353c3de6fa9a745a64fd67775c
--- /dev/null
+++ b/pkg/models/devops/project_credential_handler.go
@@ -0,0 +1,29 @@
+package devops
+
+import (
+	"k8s.io/klog"
+	"kubesphere.io/kubesphere/pkg/simple/client/devops"
+)
+
+type ProjectCredentialGetter interface {
+	GetProjectCredentialUsage(projectId, credentialId string) (*devops.Credential, error)
+}
+
+type projectCredentialGetter struct {
+	devopsClient devops.Interface
+}
+
+// GetProjectCredentialUsage get the usage of Credential
+func (o *projectCredentialGetter) GetProjectCredentialUsage(projectId, credentialId string) (*devops.Credential, error) {
+	credential, err := o.devopsClient.GetCredentialInProject(projectId,
+		credentialId)
+	if err != nil {
+		klog.Errorf("%+v", err)
+		return nil, err
+	}
+	return credential, nil
+}
+
+func NewProjectCredentialOperator(devopsClient devops.Interface) ProjectCredentialGetter {
+	return &projectCredentialGetter{devopsClient: devopsClient}
+}
diff --git a/pkg/simple/client/devops/credential.go b/pkg/simple/client/devops/credential.go
index c5336b00f32de1a66ff1ca2b00616aee7d2a561c..feb0f877abcfdc9969e2920621ebc43cd14a09a4 100644
--- a/pkg/simple/client/devops/credential.go
+++ b/pkg/simple/client/devops/credential.go
@@ -51,7 +51,5 @@ type CredentialOperator interface {
 
 	GetCredentialInProject(projectId, id string) (*Credential, error)
 
-	GetCredentialsInProject(projectId string) ([]*Credential, error)
-
 	DeleteCredentialInProject(projectId, id string) (string, error)
 }