diff --git a/api/handlers/offers.go b/api/handlers/offers.go
new file mode 100644
index 0000000..b1d8426
--- /dev/null
+++ b/api/handlers/offers.go
@@ -0,0 +1,15 @@
+package handlers
+
+import (
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+)
+
+func GetOffers(c *gin.Context) {
+	c.IndentedJSON(http.StatusOK, gin.H{
+		"_rid":   "",
+		"_count": 0,
+		"Offers": []interface{}{},
+	})
+}
diff --git a/api/handlers/stored_procedures.go b/api/handlers/stored_procedures.go
new file mode 100644
index 0000000..8aacf4a
--- /dev/null
+++ b/api/handlers/stored_procedures.go
@@ -0,0 +1,22 @@
+package handlers
+
+import (
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+	"github.com/pikami/cosmium/internal/repositories"
+)
+
+func GetAllStoredProcedures(c *gin.Context) {
+	databaseId := c.Param("databaseId")
+	collectionId := c.Param("collId")
+
+	sps, status := repositories.GetAllStoredProcedures(databaseId, collectionId)
+
+	if status == repositories.StatusOk {
+		c.IndentedJSON(http.StatusOK, gin.H{"_rid": "", "StoredProcedures": sps, "_count": len(sps)})
+		return
+	}
+
+	c.IndentedJSON(http.StatusInternalServerError, gin.H{"message": "Unknown error"})
+}
diff --git a/api/handlers/triggers.go b/api/handlers/triggers.go
new file mode 100644
index 0000000..86c5914
--- /dev/null
+++ b/api/handlers/triggers.go
@@ -0,0 +1,22 @@
+package handlers
+
+import (
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+	"github.com/pikami/cosmium/internal/repositories"
+)
+
+func GetAllTriggers(c *gin.Context) {
+	databaseId := c.Param("databaseId")
+	collectionId := c.Param("collId")
+
+	triggers, status := repositories.GetAllTriggers(databaseId, collectionId)
+
+	if status == repositories.StatusOk {
+		c.IndentedJSON(http.StatusOK, gin.H{"_rid": "", "Triggers": triggers, "_count": len(triggers)})
+		return
+	}
+
+	c.IndentedJSON(http.StatusInternalServerError, gin.H{"message": "Unknown error"})
+}
diff --git a/api/handlers/user_defined_functions.go b/api/handlers/user_defined_functions.go
new file mode 100644
index 0000000..deed399
--- /dev/null
+++ b/api/handlers/user_defined_functions.go
@@ -0,0 +1,22 @@
+package handlers
+
+import (
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+	"github.com/pikami/cosmium/internal/repositories"
+)
+
+func GetAllUserDefinedFunctions(c *gin.Context) {
+	databaseId := c.Param("databaseId")
+	collectionId := c.Param("collId")
+
+	udfs, status := repositories.GetAllUserDefinedFunctions(databaseId, collectionId)
+
+	if status == repositories.StatusOk {
+		c.IndentedJSON(http.StatusOK, gin.H{"_rid": "", "UserDefinedFunctions": udfs, "_count": len(udfs)})
+		return
+	}
+
+	c.IndentedJSON(http.StatusInternalServerError, gin.H{"message": "Unknown error"})
+}
diff --git a/api/router.go b/api/router.go
index bae8411..39761a2 100644
--- a/api/router.go
+++ b/api/router.go
@@ -18,6 +18,11 @@ func CreateRouter() *gin.Engine {
 	router.GET("/dbs/:databaseId", handlers.GetDatabase)
 	router.DELETE("/dbs/:databaseId", handlers.DeleteDatabase)
 
+	router.GET("/dbs/:databaseId/colls/:collId/udfs", handlers.GetAllUserDefinedFunctions)
+	router.GET("/dbs/:databaseId/colls/:collId/sprocs", handlers.GetAllStoredProcedures)
+	router.GET("/dbs/:databaseId/colls/:collId/triggers", handlers.GetAllTriggers)
+
+	router.GET("/offers", handlers.GetOffers)
 	router.GET("/", handlers.GetServerInfo)
 
 	return router
diff --git a/internal/repositories/collections.go b/internal/repositories/collections.go
index 7762eb0..5b9df3e 100644
--- a/internal/repositories/collections.go
+++ b/internal/repositories/collections.go
@@ -6,7 +6,7 @@ var collections = []Collection{
 }
 
 func GetAllCollections(databaseId string) ([]Collection, RepositoryStatus) {
-	var dbCollections []Collection
+	dbCollections := make([]Collection, 0)
 
 	for _, coll := range collections {
 		if coll.internals.databaseId == databaseId {
diff --git a/internal/repositories/models.go b/internal/repositories/models.go
index 536dc08..88ec42f 100644
--- a/internal/repositories/models.go
+++ b/internal/repositories/models.go
@@ -45,3 +45,44 @@ type Collection struct {
 		databaseId string
 	}
 }
+
+type UserDefinedFunction struct {
+	Body      string `json:"body"`
+	ID        string `json:"id"`
+	Rid       string `json:"_rid"`
+	Ts        int    `json:"_ts"`
+	Self      string `json:"_self"`
+	Etag      string `json:"_etag"`
+	internals struct {
+		databaseId   string
+		collectionId string
+	}
+}
+
+type StoredProcedure struct {
+	Body      string `json:"body"`
+	ID        string `json:"id"`
+	Rid       string `json:"_rid"`
+	Ts        int    `json:"_ts"`
+	Self      string `json:"_self"`
+	Etag      string `json:"_etag"`
+	internals struct {
+		databaseId   string
+		collectionId string
+	}
+}
+
+type Trigger struct {
+	Body             string `json:"body"`
+	ID               string `json:"id"`
+	TriggerOperation string `json:"triggerOperation"`
+	TriggerType      string `json:"triggerType"`
+	Rid              string `json:"_rid"`
+	Ts               int    `json:"_ts"`
+	Self             string `json:"_self"`
+	Etag             string `json:"_etag"`
+	internals        struct {
+		databaseId   string
+		collectionId string
+	}
+}
diff --git a/internal/repositories/stored_procedures.go b/internal/repositories/stored_procedures.go
new file mode 100644
index 0000000..43bcf30
--- /dev/null
+++ b/internal/repositories/stored_procedures.go
@@ -0,0 +1,15 @@
+package repositories
+
+var storedProcedures = []StoredProcedure{}
+
+func GetAllStoredProcedures(databaseId string, collectionId string) ([]StoredProcedure, RepositoryStatus) {
+	sps := make([]StoredProcedure, 0)
+
+	for _, coll := range storedProcedures {
+		if coll.internals.databaseId == databaseId && coll.internals.collectionId == collectionId {
+			sps = append(sps, coll)
+		}
+	}
+
+	return sps, StatusOk
+}
diff --git a/internal/repositories/triggers.go b/internal/repositories/triggers.go
new file mode 100644
index 0000000..48cc987
--- /dev/null
+++ b/internal/repositories/triggers.go
@@ -0,0 +1,15 @@
+package repositories
+
+var triggers = []Trigger{}
+
+func GetAllTriggers(databaseId string, collectionId string) ([]Trigger, RepositoryStatus) {
+	sps := make([]Trigger, 0)
+
+	for _, coll := range triggers {
+		if coll.internals.databaseId == databaseId && coll.internals.collectionId == collectionId {
+			sps = append(sps, coll)
+		}
+	}
+
+	return sps, StatusOk
+}
diff --git a/internal/repositories/user_defined_functions.go b/internal/repositories/user_defined_functions.go
new file mode 100644
index 0000000..cf46e66
--- /dev/null
+++ b/internal/repositories/user_defined_functions.go
@@ -0,0 +1,15 @@
+package repositories
+
+var userDefinedFunctions = []UserDefinedFunction{}
+
+func GetAllUserDefinedFunctions(databaseId string, collectionId string) ([]UserDefinedFunction, RepositoryStatus) {
+	udfs := make([]UserDefinedFunction, 0)
+
+	for _, coll := range userDefinedFunctions {
+		if coll.internals.databaseId == databaseId && coll.internals.collectionId == collectionId {
+			udfs = append(udfs, coll)
+		}
+	}
+
+	return udfs, StatusOk
+}