diff --git a/app/data/compose/docker-compose-watcher-mobymask-v3.yml b/app/data/compose/docker-compose-watcher-mobymask-v3.yml
index 107c9bba..bd07d7ef 100644
--- a/app/data/compose/docker-compose-watcher-mobymask-v3.yml
+++ b/app/data/compose/docker-compose-watcher-mobymask-v3.yml
@@ -74,6 +74,7 @@ services:
       CERC_SCRIPT_DEBUG: ${CERC_SCRIPT_DEBUG}
       CERC_ETH_RPC_QUERY_ENDPOINT: ${CERC_ETH_RPC_QUERY_ENDPOINT}
       CERC_ETH_RPC_MUTATION_ENDPOINT: ${CERC_ETH_RPC_MUTATION_ENDPOINT}
+      CERC_NITRO_CHAIN_URL: ${CERC_NITRO_CHAIN_URL}
       CERC_RELAY_PEERS: ${CERC_RELAY_PEERS}
       CERC_DENY_MULTIADDRS: ${CERC_DENY_MULTIADDRS}
       CERC_PUBSUB: ${CERC_PUBSUB}
diff --git a/app/data/config/watcher-mobymask-v3/mobymask-params.env b/app/data/config/watcher-mobymask-v3/mobymask-params.env
index f96aae31..1d843597 100644
--- a/app/data/config/watcher-mobymask-v3/mobymask-params.env
+++ b/app/data/config/watcher-mobymask-v3/mobymask-params.env
@@ -9,6 +9,9 @@ DEFAULT_CERC_ETH_RPC_QUERY_ENDPOINT="http://nitro-reverse-payment-proxy:8081"
 # ETH RPC endpoint used for mutations in the watcher
 DEFAULT_CERC_ETH_RPC_MUTATION_ENDPOINT="http://fixturenet-eth-geth-1:8545"
 
+# ETH endpoint used by watcher's Nitro node
+DEFAULT_CERC_NITRO_CHAIN_URL="http://fixturenet-eth-geth-1:8546"
+
 # Set of relay peers to connect to from the relay node
 DEFAULT_CERC_RELAY_PEERS=[]
 
diff --git a/app/data/config/watcher-mobymask-v3/start-server.sh b/app/data/config/watcher-mobymask-v3/start-server.sh
index b3546e81..e2d005c4 100755
--- a/app/data/config/watcher-mobymask-v3/start-server.sh
+++ b/app/data/config/watcher-mobymask-v3/start-server.sh
@@ -7,6 +7,7 @@ fi
 
 CERC_ETH_RPC_QUERY_ENDPOINT="${CERC_ETH_RPC_QUERY_ENDPOINT:-${DEFAULT_CERC_ETH_RPC_QUERY_ENDPOINT}}"
 CERC_ETH_RPC_MUTATION_ENDPOINT="${CERC_ETH_RPC_MUTATION_ENDPOINT:-${DEFAULT_CERC_ETH_RPC_MUTATION_ENDPOINT}}"
+CERC_NITRO_CHAIN_URL="${CERC_NITRO_CHAIN_URL:-${DEFAULT_CERC_NITRO_CHAIN_URL}}"
 CERC_RELAY_PEERS="${CERC_RELAY_PEERS:-${DEFAULT_CERC_RELAY_PEERS}}"
 CERC_DENY_MULTIADDRS="${CERC_DENY_MULTIADDRS:-${DEFAULT_CERC_DENY_MULTIADDRS}}"
 CERC_PUBSUB="${CERC_PUBSUB:-${DEFAULT_CERC_PUBSUB}}"
@@ -19,6 +20,7 @@ watcher_keys_dir="./keys"
 
 echo "Using RPC query endpoint ${CERC_ETH_RPC_QUERY_ENDPOINT}"
 echo "Using RPC mutation endpoint ${CERC_ETH_RPC_MUTATION_ENDPOINT}"
+echo "Using Nitro chain URL ${CERC_NITRO_CHAIN_URL}"
 
 # Use public domain for relay multiaddr in peer config if specified
 # Otherwise, use the docker container's host IP
@@ -146,6 +148,7 @@ WATCHER_CONFIG=$(echo "$WATCHER_CONFIG_TEMPLATE" | \
     s/REPLACE_WITH_CERC_PRIVATE_KEY_PEER/${CERC_PRIVATE_KEY_PEER}/g; \
     s/REPLACE_WITH_CERC_WATCHER_NITRO_PK/${CERC_WATCHER_NITRO_PK}/g; \
     s/REPLACE_WITH_CONTRACT_ADDRESS/${CONTRACT_ADDRESS}/g; \
+    s|REPLACE_WITH_CERC_NITRO_CHAIN_URL|${CERC_NITRO_CHAIN_URL}|g; \
     s/REPLACE_WITH_CONSENSUS_ENABLED/${CONSENSUS_ENABLED}/g; \
     s/REPLACE_WITH_CONSENSUS_PUBLIC_KEY/${CONSENSUS_PUBLIC_KEY}/g; \
     s/REPLACE_WITH_CONSENSUS_PRIVATE_KEY/${CONSENSUS_PRIVATE_KEY}/g; \
diff --git a/app/data/config/watcher-mobymask-v3/watcher-config-template.toml b/app/data/config/watcher-mobymask-v3/watcher-config-template.toml
index e2b5d1aa..4dd9fa2e 100644
--- a/app/data/config/watcher-mobymask-v3/watcher-config-template.toml
+++ b/app/data/config/watcher-mobymask-v3/watcher-config-template.toml
@@ -53,6 +53,7 @@
         contractAddress = 'REPLACE_WITH_CONTRACT_ADDRESS'
 
     [server.p2p.nitro]
+      chainUrl = 'REPLACE_WITH_CERC_NITRO_CHAIN_URL'
       store = './out/nitro-db'
       privateKey = 'REPLACE_WITH_CERC_WATCHER_NITRO_PK'
       chainPrivateKey = 'REPLACE_WITH_CERC_PRIVATE_KEY_PEER'
@@ -93,15 +94,22 @@
 
 [upstream]
   [upstream.ethServer]
-    gqlApiEndpoint = 'http://ipld-eth-server:8083/graphql'
+    gqlApiEndpoint = "http://ipld-eth-server:8083/graphql"
     rpcProviderEndpoint = 'REPLACE_WITH_CERC_ETH_RPC_QUERY_ENDPOINT'
     rpcProviderMutationEndpoint = 'REPLACE_WITH_CERC_ETH_RPC_MUTATION_ENDPOINT'
 
-    [upstream.ethServer.rpcProviderNitroNode]
-      address = 'REPLACE_WITH_UPSTREAM_NITRO_ADDRESS'
-      multiAddr = 'REPLACE_WITH_UPSTREAM_NITRO_MULTIADDR'
+    [upstream.ethServer.payments]
+      paidRPCMethods = ["eth_getBlockByHash", "eth_getStorageAt"]
       amount = 'REPLACE_WITH_UPSTREAM_NITRO_PAY_AMOUNT'
 
+      [upstream.ethServer.payments.nitro]
+        address = 'REPLACE_WITH_UPSTREAM_NITRO_ADDRESS'
+        multiAddr = 'REPLACE_WITH_UPSTREAM_NITRO_MULTIADDR'
+
+        [upstream.ethServer.payments.nitro.fundingAmounts]
+          directFund = "1000000000000"
+          virtualFund = "1000000000"
+
   [upstream.cache]
     name = "requests"
     enabled = false
diff --git a/app/data/stacks/fixturenet-payments/demo.md b/app/data/stacks/fixturenet-payments/demo.md
index ed0a5799..c3bf9b71 100644
--- a/app/data/stacks/fixturenet-payments/demo.md
+++ b/app/data/stacks/fixturenet-payments/demo.md
@@ -13,6 +13,7 @@
   # ts-nitro:util:nitro Ledger channel created with id 0x65703ccdfacab09ac35367bdbe6c5a337e7a6651aad526807607b1c59b28bc1e
   # ...
   # ts-nitro:util:nitro Virtual payment channel created with id 0x29ff1335d73391a50e8fde3e9b34f00c3d81c39ddc7f89187f44dd51df96140e
+  # vulcanize:server Starting server... +0ms
   ```
 
 * Export the payment channel id to a variable:
diff --git a/app/data/stacks/fixturenet-payments/stack.yml b/app/data/stacks/fixturenet-payments/stack.yml
index a16c3cb1..4528c651 100644
--- a/app/data/stacks/fixturenet-payments/stack.yml
+++ b/app/data/stacks/fixturenet-payments/stack.yml
@@ -9,10 +9,10 @@ repos:
   - git.vdb.to/cerc-io/ipld-eth-server@v1.11.6-statediff-v5
   # nitro repos
   - github.com/cerc-io/ts-nitro@v0.1.13
-  - github.com/cerc-io/go-nitro@parse-rpc-method # TODO: Update after fixes
+  - github.com/cerc-io/go-nitro@ts-interop # TODO: Update after fixes
   # mobymask watcher repos
-  - github.com/cerc-io/watcher-ts@v0.2.61
-  - github.com/cerc-io/mobymask-v2-watcher-ts@v3 # TODO: Update after fixes
+  - github.com/cerc-io/watcher-ts@v0.2.63
+  - github.com/cerc-io/mobymask-v2-watcher-ts@v3 # TODO: Update
   - github.com/cerc-io/MobyMask@v0.1.3
   # mobymask app repos
   - github.com/cerc-io/mobymask-snap