diff --git a/synapse/rest/admin/federation.py b/synapse/rest/admin/federation.py
new file mode 100644
index 0000000000..744687be35
--- /dev/null
+++ b/synapse/rest/admin/federation.py
@@ -0,0 +1,135 @@
+# Copyright 2021 The Matrix.org Foundation C.I.C.
+#
+# 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.
+import logging
+from http import HTTPStatus
+from typing import TYPE_CHECKING, Tuple
+
+from synapse.api.errors import Codes, NotFoundError, SynapseError
+from synapse.http.servlet import RestServlet, parse_integer, parse_string
+from synapse.http.site import SynapseRequest
+from synapse.rest.admin._base import admin_patterns, assert_requester_is_admin
+from synapse.storage.databases.main.transactions import DestinationSortOrder
+from synapse.types import JsonDict
+
+if TYPE_CHECKING:
+ from synapse.server import HomeServer
+
+logger = logging.getLogger(__name__)
+
+
+class ListDestinationsRestServlet(RestServlet):
+ """Get request to list all destinations.
+ This needs user to have administrator access in Synapse.
+
+ GET /_synapse/admin/v1/federation/destinations?from=0&limit=10
+
+ returns:
+ 200 OK with list of destinations if success otherwise an error.
+
+ The parameters `from` and `limit` are required only for pagination.
+ By default, a `limit` of 100 is used.
+ The parameter `destination` can be used to filter by destination.
+ The parameter `order_by` can be used to order the result.
+ """
+
+ PATTERNS = admin_patterns("/federation/destinations$")
+
+ def __init__(self, hs: "HomeServer"):
+ self._auth = hs.get_auth()
+ self._store = hs.get_datastore()
+
+ async def on_GET(self, request: SynapseRequest) -> Tuple[int, JsonDict]:
+ await assert_requester_is_admin(self._auth, request)
+
+ start = parse_integer(request, "from", default=0)
+ limit = parse_integer(request, "limit", default=100)
+
+ if start < 0:
+ raise SynapseError(
+ HTTPStatus.BAD_REQUEST,
+ "Query parameter from must be a string representing a positive integer.",
+ errcode=Codes.INVALID_PARAM,
+ )
+
+ if limit < 0:
+ raise SynapseError(
+ HTTPStatus.BAD_REQUEST,
+ "Query parameter limit must be a string representing a positive integer.",
+ errcode=Codes.INVALID_PARAM,
+ )
+
+ destination = parse_string(request, "destination")
+
+ order_by = parse_string(
+ request,
+ "order_by",
+ default=DestinationSortOrder.DESTINATION.value,
+ allowed_values=[dest.value for dest in DestinationSortOrder],
+ )
+
+ direction = parse_string(request, "dir", default="f", allowed_values=("f", "b"))
+
+ destinations, total = await self._store.get_destinations_paginate(
+ start, limit, destination, order_by, direction
+ )
+ response = {"destinations": destinations, "total": total}
+ if (start + limit) < total:
+ response["next_token"] = str(start + len(destinations))
+
+ return HTTPStatus.OK, response
+
+
+class DestinationsRestServlet(RestServlet):
+ """Get details of a destination.
+ This needs user to have administrator access in Synapse.
+
+ GET /_synapse/admin/v1/federation/destinations/<destination>
+
+ returns:
+ 200 OK with details of a destination if success otherwise an error.
+ """
+
+ PATTERNS = admin_patterns("/federation/destinations/(?P<destination>[^/]+)$")
+
+ def __init__(self, hs: "HomeServer"):
+ self._auth = hs.get_auth()
+ self._store = hs.get_datastore()
+
+ async def on_GET(
+ self, request: SynapseRequest, destination: str
+ ) -> Tuple[int, JsonDict]:
+ await assert_requester_is_admin(self._auth, request)
+
+ destination_retry_timings = await self._store.get_destination_retry_timings(
+ destination
+ )
+
+ if not destination_retry_timings:
+ raise NotFoundError("Unknown destination")
+
+ last_successful_stream_ordering = (
+ await self._store.get_destination_last_successful_stream_ordering(
+ destination
+ )
+ )
+
+ response = {
+ "destination": destination,
+ "failure_ts": destination_retry_timings.failure_ts,
+ "retry_last_ts": destination_retry_timings.retry_last_ts,
+ "retry_interval": destination_retry_timings.retry_interval,
+ "last_successful_stream_ordering": last_successful_stream_ordering,
+ }
+
+ return HTTPStatus.OK, response
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