diff --git a/src/benchmark/benchmark-common.conf b/src/benchmark/benchmark-common.conf
index 094b76411..6ff5a727a 100644
--- a/src/benchmark/benchmark-common.conf
+++ b/src/benchmark/benchmark-common.conf
@@ -16,6 +16,12 @@ BASE_URL="http://localhost:8081/"
 AGGREGATOR_SHARD_SIZE=67108864
 WIREWATCH_IDLE_SLEEP_INTERVAL=5 ms
 
+[exchangedb-postgres]
+CONFIG="postgres:///talercheck"
+
+[exchange-offline]
+MASTER_PRIV_FILE=${TALER_DATA_HOME}/exchange/offline-keys/master.priv
+
 [taler-exchange-secmod-rsa]
 LOOKAHEAD_SIGN="1 d"
 
@@ -26,6 +32,27 @@ LOOKAHEAD_SIGN="1 d"
 DURATION="2 d"
 LOOKAHEAD_SIGN="1 d"
 
+# account-2 is suitable for fakebank
+[exchange-account-1]
+PAYTO_URI = "payto://x-taler-bank/localhost/42?receiver-name=42"
+ENABLE_DEBIT = YES
+ENABLE_CREDIT = YES
+
+[exchange-accountcredentials-1]
+WIRE_GATEWAY_URL = "http://localhost:8082/42/"
+
+# account-2 is suitable for libeufin
+[exchange-account-2]
+ENABLE_DEBIT = YES
+ENABLE_CREDIT = YES
+
+[exchange-accountcredentials-2]
+WIRE_GATEWAY_AUTH_METHOD = basic
+USERNAME = Exchange
+PASSWORD = x
+WIRE_GATEWAY_URL = "http://localhost:8082/2/"
+
+
 # Trust local exchange for "EUR" currency
 [merchant-exchange-benchmark]
 EXCHANGE_BASE_URL = http://localhost:8081/
@@ -35,9 +62,6 @@ MASTER_KEY=98NJW3CQHZQGQXTY3K85K531XKPAPAVV4Q5V8PYYRR00NJGZWNVG
 CURRENCY = EUR
 
 
-[exchangedb-postgres]
-CONFIG="postgres:///talercheck"
-
 [merchantdb-postgres]
 CONFIG="postgres:///talercheck"
 
@@ -47,26 +71,15 @@ CONFIG="postgres:///talercheck"
 [syncdb-postgres]
 CONFIG="postgres:///talercheck"
 
-[exchange-offline]
-MASTER_PRIV_FILE=${TALER_DATA_HOME}/exchange/offline-keys/master.priv
-
 [bank]
 HTTP_PORT=8082
 SERVE=http
-MAX_DEBT=EUR:100000000000.0
-MAX_DEBT_BANK=EUR:1000000000000000.0
-DATABASE=bank-db.sqlite3
 
 [libeufin-nexus]
 DB_CONNECTION="jdbc:postgresql://localhost/talercheck?socketFactory=org.newsclub.net.unix.AFUNIXSocketFactory$FactoryArg&socketFactoryArg=/var/run/postgresql/.s.PGSQL.5432"
-#DB_CONNECTION="jdbc:sqlite:libeufin-nexus.sqlite3"
 
 [libeufin-sandbox]
 DB_CONNECTION="jdbc:postgresql://localhost/talercheck?socketFactory=org.newsclub.net.unix.AFUNIXSocketFactory$FactoryArg&socketFactoryArg=/var/run/postgresql/.s.PGSQL.5432"
-#DB_CONNECTION="jdbc:sqlite:libeufin-sandbox.sqlite3"
 
 [auditor]
 BASE_URL="http://localhost:8083/"
-
-[benchmark]
-USER_PAYTO_URI="payto://x-taler-bank/localhost:8082/42?receiver-name=user42"
diff --git a/src/benchmark/exchange_benchmark_home/.local/share/taler/exchange/offline-keys/master.priv b/src/benchmark/exchange_benchmark_home/.local/share/taler/exchange/offline-keys/master.priv
deleted file mode 100644
index 394926938..000000000
--- a/src/benchmark/exchange_benchmark_home/.local/share/taler/exchange/offline-keys/master.priv
+++ /dev/null
@@ -1 +0,0 @@
-p�^�-�33��X
X�!�\0q�����mU�_��
\ No newline at end of file
diff --git a/src/exchange/taler-exchange-httpd_keys.c b/src/exchange/taler-exchange-httpd_keys.c
index cc93a4201..9623a5a30 100644
--- a/src/exchange/taler-exchange-httpd_keys.c
+++ b/src/exchange/taler-exchange-httpd_keys.c
@@ -849,6 +849,9 @@ build_wire_state (void)
       wire_method = TALER_payto_get_method (payto_uri);
       if (NULL == wire_method)
       {
+        GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                    "No wire method in `%s'\n",
+                    payto_uri);
         wsh->http_status = MHD_HTTP_INTERNAL_SERVER_ERROR;
         wsh->wire_reply
           = TALER_MHD_make_error (
@@ -888,25 +891,20 @@ build_wire_state (void)
           GNUNET_CRYPTO_hash_context_abort (hc);
           return wsh;
         }
-        if (0 == json_array_size (ac.a))
+        if (0 != json_array_size (ac.a))
+        {
+          wsh->cache_expiration
+            = GNUNET_TIME_absolute_min (ac.max_seen,
+                                        wsh->cache_expiration);
+          GNUNET_assert (0 ==
+                         json_object_set_new (wire_fee_object,
+                                              wire_method,
+                                              ac.a));
+        }
+        else
         {
           json_decref (ac.a);
-          json_decref (wire_accounts_array);
-          json_decref (wire_fee_object);
-          wsh->http_status = MHD_HTTP_INTERNAL_SERVER_ERROR;
-          wsh->wire_reply
-            = TALER_MHD_make_error (TALER_EC_EXCHANGE_WIRE_FEES_NOT_CONFIGURED,
-                                    wire_method);
-          GNUNET_free (wire_method);
-          GNUNET_CRYPTO_hash_context_abort (hc);
-          return wsh;
         }
-        wsh->cache_expiration = GNUNET_TIME_absolute_min (ac.max_seen,
-                                                          wsh->cache_expiration);
-        GNUNET_assert (0 ==
-                       json_object_set_new (wire_fee_object,
-                                            wire_method,
-                                            ac.a));
       }
       GNUNET_free (wire_method);
     }
@@ -2438,6 +2436,11 @@ create_krd (struct TEH_KeyStateHandle *ksh,
   json_t *keys;
 
   wsh = get_wire_state ();
+  if (MHD_HTTP_OK != wsh->http_status)
+  {
+    GNUNET_break (0);
+    return GNUNET_SYSERR;
+  }
   GNUNET_assert (! GNUNET_TIME_absolute_is_zero (
                    last_cherry_pick_date.abs_time));
   GNUNET_assert (NULL != signkeys);
diff --git a/src/testing/test_exchange_api.conf b/src/testing/test_exchange_api.conf
index 8f7bb930e..6a285f55d 100644
--- a/src/testing/test_exchange_api.conf
+++ b/src/testing/test_exchange_api.conf
@@ -28,21 +28,21 @@ PORT = 8081
 MASTER_PUBLIC_KEY = 98NJW3CQHZQGQXTY3K85K531XKPAPAVV4Q5V8PYYRR00NJGZWNVG
 DB = postgres
 BASE_URL = "http://localhost:8081/"
-EXPIRE_SHARD_SIZE = 300 ms
-EXPIRE_IDLE_SLEEP_INTERVAL = 1 s
+EXPIRE_SHARD_SIZE ="300 ms"
+EXPIRE_IDLE_SLEEP_INTERVAL ="1 s"
 
 [exchangedb-postgres]
 CONFIG = "postgres:///talercheck"
 
 [taler-exchange-secmod-cs]
-LOOKAHEAD_SIGN = 24 days
+LOOKAHEAD_SIGN = "24 days"
 
 [taler-exchange-secmod-rsa]
-LOOKAHEAD_SIGN = 24 days
+LOOKAHEAD_SIGN = "24 days"
 
 [taler-exchange-secmod-eddsa]
-LOOKAHEAD_SIGN = 24 days
-DURATION = 14 days
+LOOKAHEAD_SIGN = "24 days"
+DURATION = "14 days"
 
 
 [exchange-account-1]