diff --git a/appservice/routing/routing.go b/appservice/routing/routing.go
index 3c19c8401..0e4bd6bab 100644
--- a/appservice/routing/routing.go
+++ b/appservice/routing/routing.go
@@ -27,7 +27,7 @@ import (
 	"github.com/matrix-org/util"
 )
 
-const pathPrefixApp = "/_matrix/app/r0"
+const pathPrefixApp = "/_matrix/app/v1"
 
 // Setup registers HTTP handlers with the given ServeMux. It also supplies the given http.Client
 // to clients which need to make outbound HTTP requests.
diff --git a/cmd/dendrite-federation-api-server/main.go b/cmd/dendrite-federation-api-server/main.go
index c83845d25..367f5dc0c 100644
--- a/cmd/dendrite-federation-api-server/main.go
+++ b/cmd/dendrite-federation-api-server/main.go
@@ -29,6 +29,7 @@ func main() {
 	deviceDB := base.CreateDeviceDB()
 	keyDB := base.CreateKeyDB()
 	federation := base.CreateFederationClient()
+	federationSender := base.CreateHTTPFederationSenderAPIs()
 	keyRing := keydb.CreateKeyRing(federation.Client, keyDB)
 
 	alias, input, query := base.CreateHTTPRoomserverAPIs()
@@ -36,7 +37,7 @@ func main() {
 
 	federationapi.SetupFederationAPIComponent(
 		base, accountDB, deviceDB, federation, &keyRing,
-		alias, input, query, asQuery,
+		alias, input, query, asQuery, federationSender,
 	)
 
 	base.SetupAndServeHTTP(string(base.Cfg.Bind.FederationAPI), string(base.Cfg.Listen.FederationAPI))
diff --git a/cmd/dendrite-monolith-server/main.go b/cmd/dendrite-monolith-server/main.go
index e3bbca2ee..34d2f714d 100644
--- a/cmd/dendrite-monolith-server/main.go
+++ b/cmd/dendrite-monolith-server/main.go
@@ -67,7 +67,7 @@ func main() {
 		federation, &keyRing, alias, input, query,
 		typingInputAPI, asQuery, transactions.New(), fedSenderAPI,
 	)
-	federationapi.SetupFederationAPIComponent(base, accountDB, deviceDB, federation, &keyRing, alias, input, query, asQuery)
+	federationapi.SetupFederationAPIComponent(base, accountDB, deviceDB, federation, &keyRing, alias, input, query, asQuery, fedSenderAPI)
 	mediaapi.SetupMediaAPIComponent(base, deviceDB)
 	publicroomsapi.SetupPublicRoomsAPIComponent(base, deviceDB)
 	syncapi.SetupSyncAPIComponent(base, deviceDB, accountDB, query)
diff --git a/common/httpapi.go b/common/httpapi.go
index 7a6792bf0..46b389729 100644
--- a/common/httpapi.go
+++ b/common/httpapi.go
@@ -12,6 +12,7 @@ import (
 	opentracing "github.com/opentracing/opentracing-go"
 	"github.com/opentracing/opentracing-go/ext"
 	"github.com/prometheus/client_golang/prometheus"
+	"github.com/prometheus/client_golang/prometheus/promauto"
 	"github.com/prometheus/client_golang/prometheus/promhttp"
 	"github.com/sirupsen/logrus"
 )
@@ -67,7 +68,16 @@ func MakeHTMLAPI(metricsName string, f func(http.ResponseWriter, *http.Request)
 		}
 	}
 
-	return prometheus.InstrumentHandler(metricsName, http.HandlerFunc(withSpan))
+	return promhttp.InstrumentHandlerCounter(
+		promauto.NewCounterVec(
+			prometheus.CounterOpts{
+				Name: metricsName,
+				Help: "Total number of http requests for HTML resources",
+			},
+			[]string{"code"},
+		),
+		http.HandlerFunc(withSpan),
+	)
 }
 
 // MakeInternalAPI turns a util.JSONRequestHandler function into an http.Handler.
diff --git a/common/transactions/transactions.go b/common/transactions/transactions.go
index 80b403a98..d2eb0f27f 100644
--- a/common/transactions/transactions.go
+++ b/common/transactions/transactions.go
@@ -85,7 +85,7 @@ func (t *Cache) AddTransaction(accessToken, txnID string, res *util.JSONResponse
 // It guarantees that an entry will be present in cache for at least cleanupPeriod & at most 2 * cleanupPeriod.
 // This cycles the txnMaps forward, i.e. back map is assigned the front and front is assigned an empty map.
 func cacheCleanService(t *Cache) {
-	ticker := time.Tick(t.cleanupPeriod)
+	ticker := time.NewTicker(t.cleanupPeriod).C
 	for range ticker {
 		t.Lock()
 		t.txnsMaps[1] = t.txnsMaps[0]
diff --git a/docker/services/monolith.sh b/docker/services/monolith.sh
index a038728b4..2287555cd 100644
--- a/docker/services/monolith.sh
+++ b/docker/services/monolith.sh
@@ -2,4 +2,4 @@
 
 bash ./docker/build.sh
 
-./bin/dendrite-monolith-server --tls-cert=server.crt --tls-key=server.key
+./bin/dendrite-monolith-server --tls-cert=server.crt --tls-key=server.key $@
diff --git a/federationapi/federationapi.go b/federationapi/federationapi.go
index 87402d976..c2aef06c8 100644
--- a/federationapi/federationapi.go
+++ b/federationapi/federationapi.go
@@ -19,6 +19,7 @@ import (
 	"github.com/matrix-org/dendrite/clientapi/auth/storage/accounts"
 	"github.com/matrix-org/dendrite/clientapi/auth/storage/devices"
 	"github.com/matrix-org/dendrite/common/basecomponent"
+	federationSenderAPI "github.com/matrix-org/dendrite/federationsender/api"
 	roomserverAPI "github.com/matrix-org/dendrite/roomserver/api"
 
 	// TODO: Are we really wanting to pull in the producer from clientapi
@@ -39,11 +40,13 @@ func SetupFederationAPIComponent(
 	inputAPI roomserverAPI.RoomserverInputAPI,
 	queryAPI roomserverAPI.RoomserverQueryAPI,
 	asAPI appserviceAPI.AppServiceQueryAPI,
+	federationSenderAPI federationSenderAPI.FederationSenderQueryAPI,
 ) {
 	roomserverProducer := producers.NewRoomserverProducer(inputAPI)
 
 	routing.Setup(
 		base.APIMux, *base.Cfg, queryAPI, aliasAPI, asAPI,
-		roomserverProducer, *keyRing, federation, accountsDB, deviceDB,
+		roomserverProducer, federationSenderAPI, *keyRing, federation, accountsDB,
+		deviceDB,
 	)
 }
diff --git a/federationapi/routing/backfill.go b/federationapi/routing/backfill.go
index d996db6a3..5c6b0087f 100644
--- a/federationapi/routing/backfill.go
+++ b/federationapi/routing/backfill.go
@@ -17,11 +17,11 @@ package routing
 import (
 	"net/http"
 	"strconv"
+	"time"
 
 	"github.com/matrix-org/dendrite/clientapi/httputil"
 	"github.com/matrix-org/dendrite/clientapi/jsonerror"
 	"github.com/matrix-org/dendrite/common/config"
-	"github.com/matrix-org/dendrite/federationapi/types"
 	"github.com/matrix-org/dendrite/roomserver/api"
 	"github.com/matrix-org/gomatrixserverlib"
 	"github.com/matrix-org/util"
@@ -90,9 +90,11 @@ func Backfill(
 		}
 	}
 
-	txn := types.NewTransaction()
-	txn.Origin = cfg.Matrix.ServerName
-	txn.PDUs = evs
+	txn := gomatrixserverlib.Transaction{
+		Origin:         cfg.Matrix.ServerName,
+		PDUs:           evs,
+		OriginServerTS: gomatrixserverlib.AsTimestamp(time.Now()),
+	}
 
 	// Send the events to the client.
 	return util.JSONResponse{
diff --git a/federationapi/routing/join.go b/federationapi/routing/join.go
index 6f6574dd7..e2885dd99 100644
--- a/federationapi/routing/join.go
+++ b/federationapi/routing/join.go
@@ -154,16 +154,23 @@ func SendJoin(
 
 	// Fetch the state and auth chain. We do this before we send the events
 	// on, in case this fails.
-	var stateAndAuthChainRepsonse api.QueryStateAndAuthChainResponse
+	var stateAndAuthChainResponse api.QueryStateAndAuthChainResponse
 	err = query.QueryStateAndAuthChain(httpReq.Context(), &api.QueryStateAndAuthChainRequest{
 		PrevEventIDs: event.PrevEventIDs(),
 		AuthEventIDs: event.AuthEventIDs(),
 		RoomID:       roomID,
-	}, &stateAndAuthChainRepsonse)
+	}, &stateAndAuthChainResponse)
 	if err != nil {
 		return httputil.LogThenError(httpReq, err)
 	}
 
+	if !stateAndAuthChainResponse.RoomExists {
+		return util.JSONResponse{
+			Code: http.StatusNotFound,
+			JSON: jsonerror.NotFound("Room does not exist"),
+		}
+	}
+
 	// Send the events to the room server.
 	// We are responsible for notifying other servers that the user has joined
 	// the room, so set SendAsServer to cfg.Matrix.ServerName
@@ -177,8 +184,8 @@ func SendJoin(
 	return util.JSONResponse{
 		Code: http.StatusOK,
 		JSON: map[string]interface{}{
-			"state":      stateAndAuthChainRepsonse.StateEvents,
-			"auth_chain": stateAndAuthChainRepsonse.AuthChainEvents,
+			"state":      stateAndAuthChainResponse.StateEvents,
+			"auth_chain": stateAndAuthChainResponse.AuthChainEvents,
 		},
 	}
 }
diff --git a/federationapi/routing/query.go b/federationapi/routing/query.go
index 781b8ea46..ed2d8b741 100644
--- a/federationapi/routing/query.go
+++ b/federationapi/routing/query.go
@@ -21,6 +21,7 @@ import (
 	"github.com/matrix-org/dendrite/clientapi/httputil"
 	"github.com/matrix-org/dendrite/clientapi/jsonerror"
 	"github.com/matrix-org/dendrite/common/config"
+	federationSenderAPI "github.com/matrix-org/dendrite/federationsender/api"
 	roomserverAPI "github.com/matrix-org/dendrite/roomserver/api"
 	"github.com/matrix-org/gomatrix"
 	"github.com/matrix-org/gomatrixserverlib"
@@ -33,6 +34,7 @@ func RoomAliasToID(
 	federation *gomatrixserverlib.FederationClient,
 	cfg config.Dendrite,
 	aliasAPI roomserverAPI.RoomserverAliasAPI,
+	senderAPI federationSenderAPI.FederationSenderQueryAPI,
 ) util.JSONResponse {
 	roomAlias := httpReq.FormValue("room_alias")
 	if roomAlias == "" {
@@ -59,10 +61,15 @@ func RoomAliasToID(
 		}
 
 		if queryRes.RoomID != "" {
-			// TODO: List servers that are aware of this room alias
+			serverQueryReq := federationSenderAPI.QueryJoinedHostServerNamesInRoomRequest{RoomID: queryRes.RoomID}
+			var serverQueryRes federationSenderAPI.QueryJoinedHostServerNamesInRoomResponse
+			if err = senderAPI.QueryJoinedHostServerNamesInRoom(httpReq.Context(), &serverQueryReq, &serverQueryRes); err != nil {
+				return httputil.LogThenError(httpReq, err)
+			}
+
 			resp = gomatrixserverlib.RespDirectory{
 				RoomID:  queryRes.RoomID,
-				Servers: []gomatrixserverlib.ServerName{},
+				Servers: serverQueryRes.ServerNames,
 			}
 		} else {
 			// If no alias was found, return an error
diff --git a/federationapi/routing/routing.go b/federationapi/routing/routing.go
index 9f576790b..302f7ed0b 100644
--- a/federationapi/routing/routing.go
+++ b/federationapi/routing/routing.go
@@ -24,6 +24,7 @@ import (
 	"github.com/matrix-org/dendrite/clientapi/producers"
 	"github.com/matrix-org/dendrite/common"
 	"github.com/matrix-org/dendrite/common/config"
+	federationSenderAPI "github.com/matrix-org/dendrite/federationsender/api"
 	roomserverAPI "github.com/matrix-org/dendrite/roomserver/api"
 	"github.com/matrix-org/gomatrixserverlib"
 	"github.com/matrix-org/util"
@@ -32,6 +33,7 @@ import (
 const (
 	pathPrefixV2Keys       = "/_matrix/key/v2"
 	pathPrefixV1Federation = "/_matrix/federation/v1"
+	pathPrefixV2Federation = "/_matrix/federation/v2"
 )
 
 // Setup registers HTTP handlers with the given ServeMux.
@@ -46,6 +48,7 @@ func Setup(
 	aliasAPI roomserverAPI.RoomserverAliasAPI,
 	asAPI appserviceAPI.AppServiceQueryAPI,
 	producer *producers.RoomserverProducer,
+	federationSenderAPI federationSenderAPI.FederationSenderQueryAPI,
 	keys gomatrixserverlib.KeyRing,
 	federation *gomatrixserverlib.FederationClient,
 	accountDB *accounts.Database,
@@ -53,6 +56,7 @@ func Setup(
 ) {
 	v2keysmux := apiMux.PathPrefix(pathPrefixV2Keys).Subrouter()
 	v1fedmux := apiMux.PathPrefix(pathPrefixV1Federation).Subrouter()
+	v2fedmux := apiMux.PathPrefix(pathPrefixV2Federation).Subrouter()
 
 	localKeys := common.MakeExternalAPI("localkeys", func(req *http.Request) util.JSONResponse {
 		return LocalKeys(cfg)
@@ -156,7 +160,7 @@ func Setup(
 		"federation_query_room_alias", cfg.Matrix.ServerName, keys,
 		func(httpReq *http.Request, request *gomatrixserverlib.FederationRequest) util.JSONResponse {
 			return RoomAliasToID(
-				httpReq, federation, cfg, aliasAPI,
+				httpReq, federation, cfg, aliasAPI, federationSenderAPI,
 			)
 		},
 	)).Methods(http.MethodGet)
@@ -198,7 +202,7 @@ func Setup(
 		},
 	)).Methods(http.MethodGet)
 
-	v1fedmux.Handle("/send_join/{roomID}/{userID}", common.MakeFedAPI(
+	v2fedmux.Handle("/send_join/{roomID}/{userID}", common.MakeFedAPI(
 		"federation_send_join", cfg.Matrix.ServerName, keys,
 		func(httpReq *http.Request, request *gomatrixserverlib.FederationRequest) util.JSONResponse {
 			vars, err := common.URLDecodeMapValues(mux.Vars(httpReq))
@@ -228,7 +232,7 @@ func Setup(
 		},
 	)).Methods(http.MethodGet)
 
-	v1fedmux.Handle("/send_leave/{roomID}/{userID}", common.MakeFedAPI(
+	v2fedmux.Handle("/send_leave/{roomID}/{userID}", common.MakeFedAPI(
 		"federation_send_leave", cfg.Matrix.ServerName, keys,
 		func(httpReq *http.Request, request *gomatrixserverlib.FederationRequest) util.JSONResponse {
 			vars, err := common.URLDecodeMapValues(mux.Vars(httpReq))
diff --git a/federationapi/types/types.go b/federationapi/types/types.go
deleted file mode 100644
index 24838d547..000000000
--- a/federationapi/types/types.go
+++ /dev/null
@@ -1,43 +0,0 @@
-// Copyright 2018 New Vector Ltd
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package types
-
-import (
-	"time"
-
-	"github.com/matrix-org/gomatrixserverlib"
-)
-
-// Transaction is the representation of a transaction from the federation API
-// See https://matrix.org/docs/spec/server_server/unstable.html for more info.
-type Transaction struct {
-	// The server_name of the homeserver sending this transaction.
-	Origin gomatrixserverlib.ServerName `json:"origin"`
-	// POSIX timestamp in milliseconds on originating homeserver when this
-	// transaction started.
-	OriginServerTS int64 `json:"origin_server_ts"`
-	// List of persistent updates to rooms.
-	PDUs []gomatrixserverlib.Event `json:"pdus"`
-}
-
-// NewTransaction sets the timestamp of a new transaction instance and then
-// returns the said instance.
-func NewTransaction() Transaction {
-	// Retrieve the current timestamp in nanoseconds and make it a milliseconds
-	// one.
-	ts := time.Now().UnixNano() / int64(time.Millisecond)
-
-	return Transaction{OriginServerTS: ts}
-}
diff --git a/federationsender/query/query.go b/federationsender/query/query.go
index 088244826..8c35bb29e 100644
--- a/federationsender/query/query.go
+++ b/federationsender/query/query.go
@@ -45,15 +45,12 @@ func (f *FederationSenderQueryAPI) QueryJoinedHostServerNamesInRoom(
 		return
 	}
 
-	serverNamesSet := make(map[gomatrixserverlib.ServerName]bool, len(joinedHosts))
+	response.ServerNames = make([]gomatrixserverlib.ServerName, 0, len(joinedHosts))
 	for _, host := range joinedHosts {
-		serverNamesSet[host.ServerName] = true
+		response.ServerNames = append(response.ServerNames, host.ServerName)
 	}
 
-	response.ServerNames = make([]gomatrixserverlib.ServerName, 0, len(serverNamesSet))
-	for name := range serverNamesSet {
-		response.ServerNames = append(response.ServerNames, name)
-	}
+	// TODO: remove duplicates?
 
 	return
 }
diff --git a/go.mod b/go.mod
index d51f0a33e..d2cb80bb8 100644
--- a/go.mod
+++ b/go.mod
@@ -3,16 +3,16 @@ module github.com/matrix-org/dendrite
 require (
 	github.com/Shopify/sarama v0.0.0-20170127151855-574d3147eee3
 	github.com/alecthomas/gometalinter v2.0.2+incompatible
-	github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf
+	github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4
 	github.com/apache/thrift v0.0.0-20161221203622-b2a4d4ae21c7
-	github.com/beorn7/perks v0.0.0-20160804104726-4c0e84591b9a
+	github.com/beorn7/perks v1.0.1
 	github.com/codahale/hdrhistogram v0.0.0-20161010025455-3a0bb77429bd
 	github.com/crossdock/crossdock-go v0.0.0-20160816171116-049aabb0122b
 	github.com/davecgh/go-spew v1.1.1
 	github.com/eapache/go-resiliency v0.0.0-20160104191539-b86b1ec0dd42
 	github.com/eapache/go-xerial-snappy v0.0.0-20160609142408-bb955e01b934
 	github.com/eapache/queue v1.1.0
-	github.com/golang/protobuf v0.0.0-20161117033126-8ee79997227b
+	github.com/golang/protobuf v1.3.2
 	github.com/golang/snappy v0.0.0-20170119014723-7db9049039a0
 	github.com/google/shlex v0.0.0-20150127133951-6f45313302b9
 	github.com/gorilla/context v1.1.1
@@ -28,18 +28,20 @@ require (
 	github.com/matrix-org/naffka v0.0.0-20171115094957-662bfd0841d0
 	github.com/matrix-org/util v0.0.0-20171127121716-2e2df66af2f5
 	github.com/matttproud/golang_protobuf_extensions v1.0.1
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.1 // indirect
 	github.com/nfnt/resize v0.0.0-20160724205520-891127d8d1b5
 	github.com/nicksnyder/go-i18n v1.8.1
 	github.com/opentracing/opentracing-go v0.0.0-20170806192116-8ebe5d4e236e
 	github.com/pelletier/go-toml v0.0.0-20170904195809-1d6b12b7cb29
 	github.com/pierrec/lz4 v0.0.0-20161206202305-5c9560bfa9ac
 	github.com/pierrec/xxHash v0.0.0-20160112165351-5a004441f897
-	github.com/pkg/errors v0.0.0-20170505043639-c605e284fe17
+	github.com/pkg/errors v0.8.1
 	github.com/pmezard/go-difflib v1.0.0
-	github.com/prometheus/client_golang v0.0.0-20180519192340-c51dc758d4bb
-	github.com/prometheus/client_model v0.0.0-20150212101744-fa8ad6fec335
-	github.com/prometheus/common v0.0.0-20170108231212-dd2f054febf4
-	github.com/prometheus/procfs v0.0.0-20170128160123-1878d9fbb537
+	github.com/prometheus/client_golang v1.2.1
+	github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4
+	github.com/prometheus/common v0.7.0
+	github.com/prometheus/procfs v0.0.5
 	github.com/rcrowley/go-metrics v0.0.0-20161128210544-1f30fe9094a5
 	github.com/sirupsen/logrus v1.4.2
 	github.com/stretchr/objx v0.2.0 // indirect
@@ -54,9 +56,9 @@ require (
 	go.uber.org/atomic v1.3.0
 	go.uber.org/multierr v0.0.0-20170829224307-fb7d312c2c04
 	go.uber.org/zap v1.7.1
-	golang.org/x/crypto v0.0.0-20190131182504-b8fe1690c613
-	golang.org/x/net v0.0.0-20190301231341-16b79f2e4e95
-	golang.org/x/sys v0.0.0-20190712062909-fae7ac547cb7
+	golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2
+	golang.org/x/net v0.0.0-20190613194153-d28f0bde5980
+	golang.org/x/sys v0.0.0-20191010194322-b09406accb47
 	gopkg.in/Shopify/sarama.v1 v1.11.0
 	gopkg.in/airbrake/gobrake.v2 v2.0.9
 	gopkg.in/alecthomas/kingpin.v3-unstable v3.0.0-20170727041045-23bcc3c4eae3
@@ -65,3 +67,5 @@ require (
 	gopkg.in/macaroon.v2 v2.1.0
 	gopkg.in/yaml.v2 v2.2.2
 )
+
+go 1.13
diff --git a/go.sum b/go.sum
index 56781c9a6..962d0f5bb 100644
--- a/go.sum
+++ b/go.sum
@@ -1,10 +1,19 @@
 github.com/Shopify/sarama v0.0.0-20170127151855-574d3147eee3 h1:j6BAEHYn1kUyW2j7kY0mOJ/R8A0qWwXpvUAEHGemm/g=
 github.com/Shopify/sarama v0.0.0-20170127151855-574d3147eee3/go.mod h1:FVkBWblsNy7DGZRfXLU0O9RCGt5g3g3yEuWXgklEdEo=
 github.com/alecthomas/gometalinter v2.0.2+incompatible/go.mod h1:qfIpQGGz3d+NmgyPBqv+LSh50emm1pt72EtcX2vKYQk=
+github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
+github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
+github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
 github.com/apache/thrift v0.0.0-20161221203622-b2a4d4ae21c7/go.mod h1:cp2SuWMxlEZw2r+iP2GNCdIi4C1qmUzdZFSVb+bacwQ=
 github.com/beorn7/perks v0.0.0-20160804104726-4c0e84591b9a h1:BtpsbiV638WQZwhA98cEZw2BsbnQJrbd0BI7tsy0W1c=
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@@ -19,24 +28,41 @@ github.com/eapache/go-xerial-snappy v0.0.0-20160609142408-bb955e01b934/go.mod h1
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@@ -68,7 +94,13 @@ github.com/matrix-org/util v0.0.0-20171127121716-2e2df66af2f5 h1:W7l5CP4V7wPyPb4
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@@ -82,19 +114,38 @@ github.com/pierrec/xxHash v0.0.0-20160112165351-5a004441f897 h1:jp3jc/PyyTrTKjJJ
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@@ -104,6 +155,7 @@ github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+
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@@ -132,28 +184,43 @@ golang.org/x/crypto v0.0.0-20181106171534-e4dc69e5b2fd h1:VtIkGDhk0ph3t+THbvXHfM
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+golang.org/x/net v0.0.0-20190613194153-d28f0bde5980/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sys v0.0.0-20171012164349-43eea11bc926 h1:PY6OU86NqbyZiOzaPnDw6oOjAGtYQqIua16z6y9QkwE=
 golang.org/x/sys v0.0.0-20171012164349-43eea11bc926/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33 h1:I6FyU15t786LL7oL/hn43zqTuEGr4PN7F4XJ1p4E3Y8=
 golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20181116152217-5ac8a444bdc5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190422165155-953cdadca894/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190712062909-fae7ac547cb7 h1:LepdCS8Gf/MVejFIt8lsiexZATdoGVyp5bcyS+rYoUI=
 golang.org/x/sys v0.0.0-20190712062909-fae7ac547cb7/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20191010194322-b09406accb47 h1:/XfQ9z7ib8eEJX2hdgFTZJ/ntt0swNk5oYBziWeTCvY=
+golang.org/x/sys v0.0.0-20191010194322-b09406accb47/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 gopkg.in/Shopify/sarama.v1 v1.11.0 h1:/3kaCyeYaPbr59IBjeqhIcUOB1vXlIVqXAYa5g5C5F0=
 gopkg.in/Shopify/sarama.v1 v1.11.0/go.mod h1:AxnvoaevB2nBjNK17cG61A3LleFcWFwVBHBt+cot4Oc=
 gopkg.in/airbrake/gobrake.v2 v2.0.9/go.mod h1:/h5ZAUhDkGaJfjzjKLSjv6zCL6O0LLBxU4K+aSYdM/U=
+gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
 gopkg.in/alecthomas/kingpin.v3-unstable v3.0.0-20170727041045-23bcc3c4eae3/go.mod h1:3HH7i1SgMqlzxCcBmUHW657sD4Kvv9sC3HpL3YukzwA=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/gemnasium/logrus-airbrake-hook.v2 v2.1.2/go.mod h1:Xk6kEKp8OKb+X14hQBKWaSkCsqBpgog8nAV2xsGOxlo=
 gopkg.in/h2non/bimg.v1 v1.0.18/go.mod h1:PgsZL7dLwUbsGm1NYps320GxGgvQNTnecMCZqxV11So=
+gopkg.in/h2non/gock.v1 v1.0.14 h1:fTeu9fcUvSnLNacYvYI54h+1/XEteDyHvrVCZEEEYNM=
 gopkg.in/h2non/gock.v1 v1.0.14/go.mod h1:sX4zAkdYX1TRGJ2JY156cFspQn4yRWn6p9EMdODlynE=
 gopkg.in/macaroon.v2 v2.0.0/go.mod h1:+I6LnTMkm/uV5ew/0nsulNjL16SK4+C8yDmRUzHR17I=
 gopkg.in/macaroon.v2 v2.1.0/go.mod h1:OUb+TQP/OP0WOerC2Jp/3CwhIKyIa9kQjuc7H24e6/o=
 gopkg.in/yaml.v2 v2.0.0-20171116090243-287cf08546ab h1:yZ6iByf7GKeJ3gsd1Dr/xaj1DyJ//wxKX1Cdh8LhoAw=
 gopkg.in/yaml.v2 v2.0.0-20171116090243-287cf08546ab/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74=
+gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
diff --git a/mediaapi/routing/routing.go b/mediaapi/routing/routing.go
index 5bcce1772..0f2266640 100644
--- a/mediaapi/routing/routing.go
+++ b/mediaapi/routing/routing.go
@@ -29,6 +29,8 @@ import (
 	"github.com/matrix-org/gomatrixserverlib"
 	"github.com/matrix-org/util"
 	"github.com/prometheus/client_golang/prometheus"
+	"github.com/prometheus/client_golang/prometheus/promauto"
+	"github.com/prometheus/client_golang/prometheus/promhttp"
 )
 
 const pathPrefixR0 = "/_matrix/media/r0"
@@ -83,14 +85,20 @@ func makeDownloadAPI(
 	activeRemoteRequests *types.ActiveRemoteRequests,
 	activeThumbnailGeneration *types.ActiveThumbnailGeneration,
 ) http.HandlerFunc {
-	return prometheus.InstrumentHandler(name, http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
+	counterVec := promauto.NewCounterVec(
+		prometheus.CounterOpts{
+			Name: name,
+			Help: "Total number of media_api requests for either thumbnails or full downloads",
+		},
+		[]string{"code"},
+	)
+	httpHandler := func(w http.ResponseWriter, req *http.Request) {
 		req = util.RequestWithLogging(req)
 
 		// Set common headers returned regardless of the outcome of the request
 		util.SetCORSHeaders(w)
 		// Content-Type will be overridden in case of returning file data, else we respond with JSON-formatted errors
 		w.Header().Set("Content-Type", "application/json")
-
 		vars, _ := common.URLDecodeMapValues(mux.Vars(req))
 		Download(
 			w,
@@ -104,5 +112,6 @@ func makeDownloadAPI(
 			activeThumbnailGeneration,
 			name == "thumbnail",
 		)
-	}))
+	}
+	return promhttp.InstrumentHandlerCounter(counterVec, http.HandlerFunc(httpHandler))
 }
diff --git a/roomserver/api/query.go b/roomserver/api/query.go
index a544f8aa2..e52c74ac3 100644
--- a/roomserver/api/query.go
+++ b/roomserver/api/query.go
@@ -332,7 +332,7 @@ const RoomserverQueryMissingEventsPath = "/api/roomserver/queryMissingEvents"
 // RoomserverQueryStateAndAuthChainPath is the HTTP path for the QueryStateAndAuthChain API
 const RoomserverQueryStateAndAuthChainPath = "/api/roomserver/queryStateAndAuthChain"
 
-// RoomserverQueryBackfillPath is the HTTP path for the QueryMissingEvents API
+// RoomserverQueryBackfillPath is the HTTP path for the QueryBackfill API
 const RoomserverQueryBackfillPath = "/api/roomserver/QueryBackfill"
 
 // NewRoomserverQueryAPIHTTP creates a RoomserverQueryAPI implemented by talking to a HTTP POST API.
@@ -475,6 +475,6 @@ func (h *httpRoomserverQueryAPI) QueryBackfill(
 	span, ctx := opentracing.StartSpanFromContext(ctx, "QueryBackfill")
 	defer span.Finish()
 
-	apiURL := h.roomserverURL + RoomserverQueryMissingEventsPath
+	apiURL := h.roomserverURL + RoomserverQueryBackfillPath
 	return commonHTTP.PostJSON(ctx, span, h.httpClient, apiURL, request, response)
 }
diff --git a/testfile b/testfile
index 5ad3426e9..8a4e9de12 100644
--- a/testfile
+++ b/testfile
@@ -126,8 +126,14 @@ Checking local federation server
 Inbound federation can query profile data
 Outbound federation can send room-join requests
 Outbound federation can send events
-Inbound federation can backfill events
-Backfill checks the events requested belong to the room
+# SyTest currently only implements the v1 endpoints for /send_join and /send_leave,
+# whereas Dendrite only supports the v2 endpoints for those, so let's ignore this
+# test for now.
+#Inbound federation can backfill events
+# SyTest currently only implements the v1 endpoints for /send_join and /send_leave,
+# whereas Dendrite only supports the v2 endpoints for those, so let's ignore this
+# test for now.
+#Backfill checks the events requested belong to the room
 Can upload without a file name
 Can download without a file name locally
 Can upload with ASCII file name
@@ -143,7 +149,10 @@ Trying to get push rules with unknown rule_id fails with 404
 Events come down the correct room
 local user can join room with version 5
 User can invite local user to room with version 5
-Inbound federation can receive v1 room-join requests
+# SyTest currently only implements the v1 endpoints for /send_join and /send_leave,
+# whereas Dendrite only supports the v2 endpoints for those, so let's ignore this
+# test for now.
+#Inbound federation can receive v1 room-join requests
 Typing events appear in initial sync
 Typing events appear in incremental sync
 Typing events appear in gapped sync
@@ -156,8 +165,14 @@ User can create and send/receive messages in a room with version 1
 POST /createRoom ignores attempts to set the room version via creation_content
 Inbound federation rejects remote attempts to join local users to rooms
 Inbound federation rejects remote attempts to kick local users to rooms
-An event which redacts itself should be ignored
-A pair of events which redact each other should be ignored
+# SyTest currently only implements the v1 endpoints for /send_join and /send_leave,
+# whereas Dendrite only supports the v2 endpoints for those, so let's ignore this
+# test for now.
+#An event which redacts itself should be ignored
+# SyTest currently only implements the v1 endpoints for /send_join and /send_leave,
+# whereas Dendrite only supports the v2 endpoints for those, so let's ignore this
+# test for now.
+#A pair of events which redact each other should be ignored
 Full state sync includes joined rooms
 A message sent after an initial sync appears in the timeline of an incremental sync.
 Can add tag