diff --git a/client.go b/client.go
index 82178df..805391b 100644
--- a/client.go
+++ b/client.go
@@ -18,7 +18,7 @@ type NetBoxAPI struct {
 
 // NewNetBoxClient returns a client to NetBox at the given url,
 // using the provided token
-func NewNetBoxClient(token string, url string) (NetBoxAPI, error) {
+func NewNetBoxClient(token string, url string) NetBoxAPI {
 	// Construct the API basis and configure authentication
 	t := transport.New(url, client.DefaultBasePath, []string{"https"})
 	t.DefaultAuthentication = transport.APIKeyAuth(
@@ -36,5 +36,5 @@ func NewNetBoxClient(token string, url string) (NetBoxAPI, error) {
 		Token: token,
 		URL:   url,
 	}
-	return nb, nil
+	return nb
 }
diff --git a/dcim.go b/dcim.go
index 0bb9568..7e55839 100644
--- a/dcim.go
+++ b/dcim.go
@@ -3,7 +3,6 @@ package netboxapi
 import (
 	"context"
 
-	e "git.stinnesbeck.com/nils/errorhandler"
 	"github.com/netbox-community/go-netbox/v3/netbox/client/dcim"
 	"github.com/netbox-community/go-netbox/v3/netbox/models"
 )
@@ -31,7 +30,7 @@ func (nb NetBoxAPI) GetDevices(param dcim.DcimDevicesListParams) ([]*models.Devi
 	// get devices
 	devices, err := nb.API.Dcim.DcimDevicesList(&param, nil)
 	if err != nil {
-		return nil, e.FormatError("can't get devices", err)
+		return nil, err
 	}
 
 	// check if there are more prefixes on other pages
@@ -51,7 +50,7 @@ func (nb NetBoxAPI) GetDevices(param dcim.DcimDevicesListParams) ([]*models.Devi
 	// get prefixes from next page
 	nextPagePrefixes, err := nb.GetDevices(param)
 	if err != nil {
-		return nil, e.FormatError("can't get prefixes", err)
+		return nil, err
 	}
 
 	// append the results from next page to our prefixes to return
diff --git a/go.mod b/go.mod
index 401419c..70394d8 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,6 @@ module git.stinnesbeck.com/nils/netboxapi
 go 1.20
 
 require (
-	git.stinnesbeck.com/nils/errorhandler v0.0.2
 	github.com/go-openapi/runtime v0.23.3
 	github.com/netbox-community/go-netbox/v3 v3.4.5
 )
diff --git a/go.sum b/go.sum
index a770103..4623a10 100644
--- a/go.sum
+++ b/go.sum
@@ -1,5 +1,3 @@
-git.stinnesbeck.com/nils/errorhandler v0.0.2 h1:1Mnbr1qArCWled9P1nTbzH9QBEWj9XsDXX5Wt2rO6NI=
-git.stinnesbeck.com/nils/errorhandler v0.0.2/go.mod h1:9JEU3mS79yISI0qPVEP3e3Gg4ggD/OxLrPOPiqWQR3A=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/PuerkitoBio/purell v1.1.1 h1:WEQqlqaGbrPkxLJWfBwQmfEAE1Z7ONdDLqrN38tNFfI=
 github.com/PuerkitoBio/purell v1.1.1/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=
diff --git a/ipam.go b/ipam.go
index 5235a38..368d9ef 100644
--- a/ipam.go
+++ b/ipam.go
@@ -3,7 +3,6 @@ package netboxapi
 import (
 	"context"
 
-	e "git.stinnesbeck.com/nils/errorhandler"
 	"github.com/netbox-community/go-netbox/v3/netbox/client/ipam"
 	"github.com/netbox-community/go-netbox/v3/netbox/models"
 )
@@ -31,7 +30,7 @@ func (nb NetBoxAPI) GetPrefixes(param ipam.IpamPrefixesListParams) ([]*models.Pr
 	// get prefixes
 	prefixes, err := nb.API.Ipam.IpamPrefixesList(&param, nil)
 	if err != nil {
-		return nil, e.FormatError("can't get prefixes", err)
+		return nil, err
 	}
 
 	// check if there are more prefixes on other pages
@@ -51,7 +50,7 @@ func (nb NetBoxAPI) GetPrefixes(param ipam.IpamPrefixesListParams) ([]*models.Pr
 	// get prefixes from next page
 	nextPagePrefixes, err := nb.GetPrefixes(param)
 	if err != nil {
-		return nil, e.FormatError("can't get prefixes", err)
+		return nil, err
 	}
 
 	// append the results from next page to our prefixes to return
@@ -84,7 +83,7 @@ func (nb NetBoxAPI) GetIPAddresses(param ipam.IpamIPAddressesListParams) ([]*mod
 	// get addresses
 	addresses, err := nb.API.Ipam.IpamIPAddressesList(&param, nil)
 	if err != nil {
-		return nil, e.FormatError("can't get prefixes", err)
+		return nil, err
 	}
 
 	// check if there are no more prefixes on other pages
@@ -104,7 +103,7 @@ func (nb NetBoxAPI) GetIPAddresses(param ipam.IpamIPAddressesListParams) ([]*mod
 	// get prefixes from next page
 	nextPageIPAddresses, err := nb.GetIPAddresses(param)
 	if err != nil {
-		return nil, e.FormatError("can't get IP addresses", err)
+		return nil, err
 	}
 
 	// append the results from next page to our prefixes to return
diff --git a/virtualization.go b/virtualization.go
index 0c4de4b..68475bb 100644
--- a/virtualization.go
+++ b/virtualization.go
@@ -3,7 +3,6 @@ package netboxapi
 import (
 	"context"
 
-	e "git.stinnesbeck.com/nils/errorhandler"
 	"github.com/netbox-community/go-netbox/v3/netbox/client/virtualization"
 	"github.com/netbox-community/go-netbox/v3/netbox/models"
 )
@@ -31,10 +30,10 @@ func (nb NetBoxAPI) GetClusters(param virtualization.VirtualizationClustersListP
 	// get clusters
 	clusters, err := nb.API.Virtualization.VirtualizationClustersList(&param, nil)
 	if err != nil {
-		return nil, e.FormatError("can't get clusters", err)
+		return nil, err
 	}
 
-	// check if there are more prefixes on other pages
+	// check if there are more clusters on other pages
 	if clusters.Payload.Next == nil {
 		// return the results of the first batch, there are no others
 		return clusters.Payload.Results, nil
@@ -48,15 +47,67 @@ func (nb NetBoxAPI) GetClusters(param virtualization.VirtualizationClustersListP
 	// set new offset
 	param.Offset = &newOffset
 
-	// get prefixes from next page
-	nextPagePrefixes, err := nb.GetClusters(param)
+	// get clusters from next page
+	nextPageClusters, err := nb.GetClusters(param)
 	if err != nil {
-		return nil, e.FormatError("can't get prefixes", err)
+		return nil, err
 	}
 
-	// append the results from next page to our prefixes to return
-	clusters.Payload.Results = append(clusters.Payload.Results, nextPagePrefixes...)
+	// append the results from next page to our clusters to return
+	clusters.Payload.Results = append(clusters.Payload.Results, nextPageClusters...)
 
-	// return all prefixes
+	// return all clusters
 	return clusters.Payload.Results, nil
 }
+
+func (nb NetBoxAPI) GetClusterGroups(param virtualization.VirtualizationClusterGroupsListParams) ([]*models.ClusterGroup, error) {
+	// check if context was set, if not set background
+	if param.Context == nil {
+		param.Context = context.Background()
+	}
+
+	var defaultOffset int64
+	var defaultLimit int64 = 50
+
+	// set Offset if not set before
+	if param.Limit == nil {
+		param.Limit = &defaultLimit
+	}
+
+	// set Offset if not set before
+	if param.Offset == nil {
+		param.Offset = &defaultOffset
+	}
+
+	// get clusterGroups
+	clusterGroups, err := nb.API.Virtualization.VirtualizationClusterGroupsList(&param, nil)
+	if err != nil {
+		return nil, err
+	}
+
+	// check if there are more cluster groups on other pages
+	if clusterGroups.Payload.Next == nil {
+		// return the results of the first batch, there are no others
+		return clusterGroups.Payload.Results, nil
+	}
+
+	// there are more pages to get
+
+	// calculate new offset
+	newOffset := *param.Offset + *param.Limit
+
+	// set new offset
+	param.Offset = &newOffset
+
+	// get clusterGroups from next page
+	nextPageGroups, err := nb.GetClusterGroups(param)
+	if err != nil {
+		return nil, err
+	}
+
+	// append the results from next page to our cluster groups to return
+	clusterGroups.Payload.Results = append(clusterGroups.Payload.Results, nextPageGroups...)
+
+	// return all cluster groups
+	return clusterGroups.Payload.Results, nil
+}