diff --git a/cmd/dendrite-demo-libp2p/main.go b/cmd/dendrite-demo-libp2p/main.go
index 51e1e2d5e..6fb3003c2 100644
--- a/cmd/dendrite-demo-libp2p/main.go
+++ b/cmd/dendrite-demo-libp2p/main.go
@@ -80,6 +80,17 @@ func createFederationClient(
 	)
 }
 
+func createClient(
+	base *P2PDendrite,
+) *gomatrixserverlib.Client {
+	tr := &http.Transport{}
+	tr.RegisterProtocol(
+		"matrix",
+		p2phttp.NewTransport(base.LibP2P, p2phttp.ProtocolOption("/matrix")),
+	)
+	return gomatrixserverlib.NewClientWithTransport(tr)
+}
+
 func main() {
 	instanceName := flag.String("name", "dendrite-p2p", "the name of this P2P demo instance")
 	instancePort := flag.Int("port", 8080, "the port that the client API will listen on")
@@ -102,6 +113,7 @@ func main() {
 	}
 
 	cfg := config.Dendrite{}
+	cfg.SetDefaults()
 	cfg.Matrix.ServerName = "p2p"
 	cfg.Matrix.PrivateKey = privKey
 	cfg.Matrix.KeyID = gomatrixserverlib.KeyID(fmt.Sprintf("ed25519:%s", *instanceName))
@@ -159,6 +171,7 @@ func main() {
 		Config:        base.Base.Cfg,
 		AccountDB:     accountDB,
 		DeviceDB:      deviceDB,
+		Client:        createClient(base),
 		FedClient:     federation,
 		KeyRing:       keyRing,
 		KafkaConsumer: base.Base.KafkaConsumer,
diff --git a/cmd/dendrite-demo-yggdrasil/main.go b/cmd/dendrite-demo-yggdrasil/main.go
index c6a7286e0..87e2246f2 100644
--- a/cmd/dendrite-demo-yggdrasil/main.go
+++ b/cmd/dendrite-demo-yggdrasil/main.go
@@ -16,18 +16,14 @@ package main
 
 import (
 	"context"
-	"crypto/ed25519"
 	"crypto/tls"
-	"encoding/hex"
 	"flag"
 	"fmt"
 	"net"
 	"net/http"
-	"strings"
 	"time"
 
 	"github.com/matrix-org/dendrite/appservice"
-	"github.com/matrix-org/dendrite/cmd/dendrite-demo-yggdrasil/convert"
 	"github.com/matrix-org/dendrite/cmd/dendrite-demo-yggdrasil/embed"
 	"github.com/matrix-org/dendrite/cmd/dendrite-demo-yggdrasil/signing"
 	"github.com/matrix-org/dendrite/cmd/dendrite-demo-yggdrasil/yggconn"
@@ -63,26 +59,13 @@ func (y *yggroundtripper) RoundTrip(req *http.Request) (*http.Response, error) {
 func createFederationClient(
 	base *setup.BaseDendrite, n *yggconn.Node,
 ) *gomatrixserverlib.FederationClient {
-	yggdialer := func(_, address string) (net.Conn, error) {
-		tokens := strings.Split(address, ":")
-		raw, err := hex.DecodeString(tokens[0])
-		if err != nil {
-			return nil, fmt.Errorf("hex.DecodeString: %w", err)
-		}
-		converted := convert.Ed25519PublicKeyToCurve25519(ed25519.PublicKey(raw))
-		convhex := hex.EncodeToString(converted)
-		return n.Dial("curve25519", convhex)
-	}
-	yggdialerctx := func(ctx context.Context, network, address string) (net.Conn, error) {
-		return yggdialer(network, address)
-	}
 	tr := &http.Transport{}
 	tr.RegisterProtocol(
 		"matrix", &yggroundtripper{
 			inner: &http.Transport{
 				ResponseHeaderTimeout: 15 * time.Second,
 				IdleConnTimeout:       60 * time.Second,
-				DialContext:           yggdialerctx,
+				DialContext:           n.DialerContext,
 			},
 		},
 	)
@@ -91,6 +74,20 @@ func createFederationClient(
 	)
 }
 
+func createClient(n *yggconn.Node) *gomatrixserverlib.Client {
+	tr := &http.Transport{}
+	tr.RegisterProtocol(
+		"matrix", &yggroundtripper{
+			inner: &http.Transport{
+				ResponseHeaderTimeout: 15 * time.Second,
+				IdleConnTimeout:       60 * time.Second,
+				DialContext:           n.DialerContext,
+			},
+		},
+	)
+	return gomatrixserverlib.NewClientWithTransport(tr)
+}
+
 // nolint:gocyclo
 func main() {
 	flag.Parse()
@@ -162,6 +159,7 @@ func main() {
 		Config:        base.Cfg,
 		AccountDB:     accountDB,
 		DeviceDB:      deviceDB,
+		Client:        createClient(ygg),
 		FedClient:     federation,
 		KeyRing:       keyRing,
 		KafkaConsumer: base.KafkaConsumer,
diff --git a/cmd/dendrite-demo-yggdrasil/yggconn/node.go b/cmd/dendrite-demo-yggdrasil/yggconn/node.go
index a625f8d8d..b225e1cf9 100644
--- a/cmd/dendrite-demo-yggdrasil/yggconn/node.go
+++ b/cmd/dendrite-demo-yggdrasil/yggconn/node.go
@@ -15,13 +15,16 @@
 package yggconn
 
 import (
+	"context"
 	"crypto/ed25519"
 	"encoding/hex"
 	"encoding/json"
 	"fmt"
 	"io/ioutil"
 	"log"
+	"net"
 	"os"
+	"strings"
 	"sync"
 
 	"github.com/matrix-org/dendrite/cmd/dendrite-demo-yggdrasil/convert"
@@ -48,6 +51,21 @@ type Node struct {
 	incoming  chan *yamux.Stream
 }
 
+func (n *Node) Dialer(_, address string) (net.Conn, error) {
+	tokens := strings.Split(address, ":")
+	raw, err := hex.DecodeString(tokens[0])
+	if err != nil {
+		return nil, fmt.Errorf("hex.DecodeString: %w", err)
+	}
+	converted := convert.Ed25519PublicKeyToCurve25519(ed25519.PublicKey(raw))
+	convhex := hex.EncodeToString(converted)
+	return n.Dial("curve25519", convhex)
+}
+
+func (n *Node) DialerContext(ctx context.Context, network, address string) (net.Conn, error) {
+	return n.Dialer(network, address)
+}
+
 // nolint:gocyclo
 func Setup(instanceName, instancePeer string) (*Node, error) {
 	n := &Node{
diff --git a/cmd/dendrite-media-api-server/main.go b/cmd/dendrite-media-api-server/main.go
index 8fd80d7b0..1582a33a8 100644
--- a/cmd/dendrite-media-api-server/main.go
+++ b/cmd/dendrite-media-api-server/main.go
@@ -17,6 +17,7 @@ package main
 import (
 	"github.com/matrix-org/dendrite/internal/setup"
 	"github.com/matrix-org/dendrite/mediaapi"
+	"github.com/matrix-org/gomatrixserverlib"
 )
 
 func main() {
@@ -25,8 +26,9 @@ func main() {
 	defer base.Close() // nolint: errcheck
 
 	userAPI := base.UserAPIClient()
+	client := gomatrixserverlib.NewClient()
 
-	mediaapi.AddPublicRoutes(base.PublicAPIMux, base.Cfg, userAPI)
+	mediaapi.AddPublicRoutes(base.PublicAPIMux, base.Cfg, userAPI, client)
 
 	base.SetupAndServeHTTP(string(base.Cfg.Bind.MediaAPI), string(base.Cfg.Listen.MediaAPI))
 
diff --git a/cmd/dendrite-monolith-server/main.go b/cmd/dendrite-monolith-server/main.go
index 675474b82..16e274fc9 100644
--- a/cmd/dendrite-monolith-server/main.go
+++ b/cmd/dendrite-monolith-server/main.go
@@ -31,6 +31,7 @@ import (
 	"github.com/matrix-org/dendrite/roomserver/api"
 	"github.com/matrix-org/dendrite/serverkeyapi"
 	"github.com/matrix-org/dendrite/userapi"
+	"github.com/matrix-org/gomatrixserverlib"
 
 	"github.com/sirupsen/logrus"
 )
@@ -126,6 +127,7 @@ func main() {
 		Config:        base.Cfg,
 		AccountDB:     accountDB,
 		DeviceDB:      deviceDB,
+		Client:        gomatrixserverlib.NewClient(),
 		FedClient:     federation,
 		KeyRing:       keyRing,
 		KafkaConsumer: base.KafkaConsumer,
diff --git a/cmd/dendritejs/main.go b/cmd/dendritejs/main.go
index 7930c28dd..aa9192129 100644
--- a/cmd/dendritejs/main.go
+++ b/cmd/dendritejs/main.go
@@ -145,6 +145,11 @@ func createFederationClient(cfg *config.Dendrite, node *go_http_js_libp2p.P2pLoc
 	return fed
 }
 
+func createClient(node *go_http_js_libp2p.P2pLocalNode) *gomatrixserverlib.Client {
+	tr := go_http_js_libp2p.NewP2pTransport(node)
+	return gomatrixserverlib.NewClientWithTransport(tr)
+}
+
 func createP2PNode(privKey ed25519.PrivateKey) (serverName string, node *go_http_js_libp2p.P2pLocalNode) {
 	hosted := "/dns4/rendezvous.matrix.org/tcp/8443/wss/p2p-websocket-star/"
 	node = go_http_js_libp2p.NewP2pLocalNode("org.matrix.p2p.experiment", privKey.Seed(), []string{hosted}, "p2p")
@@ -218,6 +223,7 @@ func main() {
 		Config:        base.Cfg,
 		AccountDB:     accountDB,
 		DeviceDB:      deviceDB,
+		Client:        createClient(node),
 		FedClient:     federation,
 		KeyRing:       &keyRing,
 		KafkaConsumer: base.KafkaConsumer,
diff --git a/internal/setup/monolith.go b/internal/setup/monolith.go
index f28fea8f3..b202aa71a 100644
--- a/internal/setup/monolith.go
+++ b/internal/setup/monolith.go
@@ -45,6 +45,7 @@ type Monolith struct {
 	DeviceDB      devices.Database
 	AccountDB     accounts.Database
 	KeyRing       *gomatrixserverlib.KeyRing
+	Client        *gomatrixserverlib.Client
 	FedClient     *gomatrixserverlib.FederationClient
 	KafkaConsumer sarama.Consumer
 	KafkaProducer sarama.SyncProducer
@@ -80,7 +81,7 @@ func (m *Monolith) AddAllPublicRoutes(publicMux *mux.Router) {
 		m.KeyRing, m.RoomserverAPI, m.AppserviceAPI, m.FederationSenderAPI,
 		m.EDUInternalAPI,
 	)
-	mediaapi.AddPublicRoutes(publicMux, m.Config, m.UserAPI)
+	mediaapi.AddPublicRoutes(publicMux, m.Config, m.UserAPI, m.Client)
 	publicroomsapi.AddPublicRoutes(
 		publicMux, m.Config, m.KafkaConsumer, m.UserAPI, m.PublicRoomsDB, m.RoomserverAPI, m.FedClient,
 		m.ExtPublicRoomsProvider,
diff --git a/mediaapi/mediaapi.go b/mediaapi/mediaapi.go
index 9219ba20a..290ef46e1 100644
--- a/mediaapi/mediaapi.go
+++ b/mediaapi/mediaapi.go
@@ -26,7 +26,9 @@ import (
 
 // AddPublicRoutes sets up and registers HTTP handlers for the MediaAPI component.
 func AddPublicRoutes(
-	router *mux.Router, cfg *config.Dendrite, userAPI userapi.UserInternalAPI,
+	router *mux.Router, cfg *config.Dendrite,
+	userAPI userapi.UserInternalAPI,
+	client *gomatrixserverlib.Client,
 ) {
 	mediaDB, err := storage.Open(string(cfg.Database.MediaAPI), cfg.DbProperties())
 	if err != nil {
@@ -34,6 +36,6 @@ func AddPublicRoutes(
 	}
 
 	routing.Setup(
-		router, cfg, mediaDB, userAPI, gomatrixserverlib.NewClient(),
+		router, cfg, mediaDB, userAPI, client,
 	)
 }
diff --git a/mediaapi/routing/routing.go b/mediaapi/routing/routing.go
index 71804606d..13f84c335 100644
--- a/mediaapi/routing/routing.go
+++ b/mediaapi/routing/routing.go
@@ -32,6 +32,7 @@ import (
 )
 
 const pathPrefixR0 = "/media/r0"
+const pathPrefixV1 = "/media/v1" // TODO: remove when synapse is fixed
 
 // Setup registers the media API HTTP handlers
 //
@@ -46,6 +47,7 @@ func Setup(
 	client *gomatrixserverlib.Client,
 ) {
 	r0mux := publicAPIMux.PathPrefix(pathPrefixR0).Subrouter()
+	v1mux := publicAPIMux.PathPrefix(pathPrefixV1).Subrouter()
 
 	activeThumbnailGeneration := &types.ActiveThumbnailGeneration{
 		PathToResult: map[string]*types.ThumbnailGenerationResult{},
@@ -60,9 +62,11 @@ func Setup(
 	activeRemoteRequests := &types.ActiveRemoteRequests{
 		MXCToResult: map[string]*types.RemoteRequestResult{},
 	}
-	r0mux.Handle("/download/{serverName}/{mediaId}",
-		makeDownloadAPI("download", cfg, db, client, activeRemoteRequests, activeThumbnailGeneration),
-	).Methods(http.MethodGet, http.MethodOptions)
+
+	downloadHandler := makeDownloadAPI("download", cfg, db, client, activeRemoteRequests, activeThumbnailGeneration)
+	r0mux.Handle("/download/{serverName}/{mediaId}", downloadHandler).Methods(http.MethodGet, http.MethodOptions)
+	v1mux.Handle("/download/{serverName}/{mediaId}", downloadHandler).Methods(http.MethodGet, http.MethodOptions) // TODO: remove when synapse is fixed
+
 	r0mux.Handle("/thumbnail/{serverName}/{mediaId}",
 		makeDownloadAPI("thumbnail", cfg, db, client, activeRemoteRequests, activeThumbnailGeneration),
 	).Methods(http.MethodGet, http.MethodOptions)