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diff --git a/packages/merchant-backend-ui/src/hooks/instance.ts b/packages/merchant-backend-ui/src/hooks/instance.ts
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+++ b/packages/merchant-backend-ui/src/hooks/instance.ts
@@ -0,0 +1,187 @@
+/*
+ This file is part of GNU Taler
+ (C) 2021 Taler Systems S.A.
+
+ GNU Taler is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+import { MerchantBackend } from '../declaration';
+import { useBackendContext } from '../context/backend';
+import { fetcher, HttpError, HttpResponse, HttpResponseOk, request, SwrError } from './backend';
+import useSWR, { mutate } from 'swr';
+import { useInstanceContext } from '../context/instance';
+
+
+interface InstanceAPI {
+  updateInstance: (data: MerchantBackend.Instances.InstanceReconfigurationMessage) => Promise<void>;
+  deleteInstance: () => Promise<void>;
+  clearToken: () => Promise<void>;
+  setNewToken: (token: string) => Promise<void>;
+}
+
+export function useManagementAPI(instanceId: string) : InstanceAPI {
+  const { url, token } = useBackendContext()
+
+  const updateInstance = async (instance: MerchantBackend.Instances.InstanceReconfigurationMessage): Promise<void> => {
+    await request(`${url}/management/instances/${instanceId}`, {
+      method: 'patch',
+      token,
+      data: instance
+    })
+
+    mutate([`/private/`, token, url], null)
+  };
+
+  const deleteInstance = async (): Promise<void> => {
+    await request(`${url}/management/instances/${instanceId}`, {
+      method: 'delete',
+      token,
+    })
+
+    mutate([`/private/`, token, url], null)
+  }
+
+  const clearToken = async (): Promise<void> => {
+    await request(`${url}/management/instances/${instanceId}/auth`, {
+      method: 'post',
+      token,
+      data: { method: 'external' }
+    })
+
+    mutate([`/private/`, token, url], null)
+  }
+
+  const setNewToken = async (newToken: string): Promise<void> => {
+    await request(`${url}/management/instances/${instanceId}/auth`, {
+      method: 'post',
+      token,
+      data: { method: 'token', token: newToken }
+    })
+
+    mutate([`/private/`, token, url], null)
+  }
+
+  return { updateInstance, deleteInstance, setNewToken, clearToken }
+}
+
+export function useInstanceAPI(): InstanceAPI {
+  const { url: baseUrl, token: adminToken } = useBackendContext()
+  const { token: instanceToken, id, admin } = useInstanceContext()
+
+  const { url, token } = !admin ? {
+    url: baseUrl, token: adminToken
+  } : {
+    url: `${baseUrl}/instances/${id}`, token: instanceToken
+  };
+
+  const updateInstance = async (instance: MerchantBackend.Instances.InstanceReconfigurationMessage): Promise<void> => {
+    await request(`${url}/private/`, {
+      method: 'patch',
+      token,
+      data: instance
+    })
+
+    if (adminToken) mutate(['/private/instances', adminToken, baseUrl], null)
+    mutate([`/private/`, token, url], null)
+  };
+
+  const deleteInstance = async (): Promise<void> => {
+    await request(`${url}/private/`, {
+      method: 'delete',
+      token: adminToken,
+    })
+
+    if (adminToken) mutate(['/private/instances', adminToken, baseUrl], null)
+    mutate([`/private/`, token, url], null)
+  }
+
+  const clearToken = async (): Promise<void> => {
+    await request(`${url}/private/auth`, {
+      method: 'post',
+      token,
+      data: { method: 'external' }
+    })
+
+    mutate([`/private/`, token, url], null)
+  }
+
+  const setNewToken = async (newToken: string): Promise<void> => {
+    await request(`${url}/private/auth`, {
+      method: 'post',
+      token,
+      data: { method: 'token', token: newToken }
+    })
+
+    mutate([`/private/`, token, url], null)
+  }
+
+  return { updateInstance, deleteInstance, setNewToken, clearToken }
+}
+
+
+export function useInstanceDetails(): HttpResponse<MerchantBackend.Instances.QueryInstancesResponse> {
+  const { url: baseUrl, token: baseToken } = useBackendContext();
+  const { token: instanceToken, id, admin } = useInstanceContext();
+
+  const { url, token } = !admin ? {
+    url: baseUrl, token: baseToken
+  } : {
+    url: `${baseUrl}/instances/${id}`, token: instanceToken
+  }
+
+  const { data, error, isValidating } = useSWR<HttpResponseOk<MerchantBackend.Instances.QueryInstancesResponse>, HttpError>([`/private/`, token, url], fetcher, {
+    refreshInterval:0,
+    refreshWhenHidden: false,
+    revalidateOnFocus: false,
+    revalidateOnReconnect: false,
+    refreshWhenOffline: false,
+    errorRetryCount: 0,
+    errorRetryInterval: 1,
+    shouldRetryOnError: false,
+  })
+
+  if (isValidating) return {loading:true, data: data?.data}
+  if (data) return data
+  if (error) return error
+  return {loading: true}
+}
+
+export function useManagedInstanceDetails(instanceId: string): HttpResponse<MerchantBackend.Instances.QueryInstancesResponse> {
+  const { url, token } = useBackendContext();
+
+  const { data, error, isValidating } = useSWR<HttpResponseOk<MerchantBackend.Instances.QueryInstancesResponse>, HttpError>([`/management/instances/${instanceId}`, token, url], fetcher, {
+    refreshInterval:0,
+    refreshWhenHidden: false,
+    revalidateOnFocus: false,
+    revalidateOnReconnect: false,
+    refreshWhenOffline: false,
+    errorRetryCount: 0,
+    errorRetryInterval: 1,
+    shouldRetryOnError: false,
+  })
+
+  if (isValidating) return {loading:true, data: data?.data}
+  if (data) return data
+  if (error) return error
+  return {loading: true}
+}
+
+export function useBackendInstances(): HttpResponse<MerchantBackend.Instances.InstancesResponse> {
+  const { url } = useBackendContext()
+  const { token } = useInstanceContext();
+
+  const { data, error, isValidating } = useSWR<HttpResponseOk<MerchantBackend.Instances.InstancesResponse>, HttpError>(['/management/instances', token, url], fetcher)
+
+  if (isValidating) return {loading:true, data: data?.data}
+  if (data) return data
+  if (error) return error
+  return {loading: true}
+}