diff --git a/.github/workflows/e2e.yml b/.github/workflows/e2e.yml
new file mode 100644
index 00000000000..b407223e30f
--- /dev/null
+++ b/.github/workflows/e2e.yml
@@ -0,0 +1,36 @@
+name: E2E Test
+#  Tests / Code Coverage workflow runs unit tests and uploads a code coverage report
+#  This workflow is run on pushes to main & every Pull Requests where a .go, .mod, .sum have been changed
+on:
+  pull_request:
+  push:
+    branches:
+      - main
+      - release/**
+jobs:
+  test-fnsa-fnsa:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-go@v3
+        with:
+          go-version: '1.20'
+      - name: Display go version
+        run: go version
+      - name: Test finschia to finschia
+        run: |
+          cd e2e
+          make test-fnsa-fnsa
+  test-fnsa-csms:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-go@v3
+        with:
+          go-version: '1.20'
+      - name: Display go version
+        run: go version
+      - name: Test finschia to cosmos
+        run: |
+          cd e2e
+          make test-fnsa-csms
diff --git a/CHANGELOG_FNSA.md b/CHANGELOG_FNSA.md
index 76d56fdebe4..b44411c0716 100644
--- a/CHANGELOG_FNSA.md
+++ b/CHANGELOG_FNSA.md
@@ -2,3 +2,4 @@
 
  - [\#18](https://github.com/Finschia/ibc-go/pull/18) Apply finshia-sdk@v0.47.1-0.20230725074611-f8840edecbaa
  - [\#20](https://github.com/Finschia/ibc-go/pull/20) Update finschia-sdk to v0.48.0-rc1
+ - [\#21](https://github.com/Finschia/ibc-go/pull/21) Add e2e ci test
diff --git a/e2e/.gitignore b/e2e/.gitignore
new file mode 100644
index 00000000000..9f9486dfe64
--- /dev/null
+++ b/e2e/.gitignore
@@ -0,0 +1,2 @@
+bin
+data
diff --git a/e2e/Makefile b/e2e/Makefile
new file mode 100644
index 00000000000..ae4824ec4ba
--- /dev/null
+++ b/e2e/Makefile
@@ -0,0 +1,41 @@
+RLY_VERSION := 2.3.1
+CSMS_VERSION := 4.3.1
+ARCH := $(shell dpkg --print-architecture)
+PATH := $(shell pwd)/bin:$(PATH)
+
+bin/simd: 
+	@mkdir -p bin && \
+	cd ../ && \
+	make build && \
+	mv build/simd e2e/bin
+	@simd version --long
+
+bin/csmssimd:
+	@mkdir -p bin/cosmos && \
+	cd bin/cosmos && \
+	curl -L https://github.com/cosmos/ibc-go/releases/download/v$(CSMS_VERSION)/ibc-go_simd_v$(CSMS_VERSION)_linux_$(ARCH).tar.gz --output cosmos_simd.tar.gz && \
+	tar -xf cosmos_simd.tar.gz && \
+	mv simd ../csmssimd
+	@csmssimd version --long --log_level=info
+
+bin/rly:
+	@mkdir -p bin/relayer && \
+	cd bin/relayer && \
+	curl -L https://github.com/cosmos/relayer/releases/download/v$(RLY_VERSION)/Cosmos.Relayer_$(RLY_VERSION)_linux_$(ARCH).tar.gz --output relayer.tar.gz && \
+	tar -xf relayer.tar.gz  --transform 's!^[^/]*!relayer_archive!' && \
+	mv relayer_archive/rly ../
+	@rly version
+
+test-fnsa-fnsa: bin/rly bin/simd
+	@./e2e fnsa-fnsa fnsa-0 simd 438 fnsa-1 simd 438 "skip" 
+
+test-fnsa-csms: bin/rly bin/simd bin/csmssimd
+	@./e2e fnsa-csms fnsa-0 simd 438 csms-1 csmssimd 118 "skip" 
+
+clean-all:
+	@rm -rf bin data
+
+clean-data:
+	@rm -rf data
+
+.PHONY: test-fnsa-fnsa test-fnsa-csms clean-all clean-data
diff --git a/e2e/configs/chains/csms-1.json b/e2e/configs/chains/csms-1.json
new file mode 100644
index 00000000000..9f60774765a
--- /dev/null
+++ b/e2e/configs/chains/csms-1.json
@@ -0,0 +1,18 @@
+{
+  "type": "cosmos",
+  "value": {
+    "key": "testkey",
+    "chain-id": "csms-1",
+    "rpc-addr": "http://localhost:26557",
+    "grpc-addr": "",
+    "account-prefix": "cosmos",
+    "keyring-backend": "test",
+    "gas-adjustment": 1.5,
+    "gas-prices": "0.025rice",
+    "debug": true,
+    "timeout": "10s",
+    "output-format": "json",
+    "sign-mode": "direct"
+  }
+}
+
diff --git a/e2e/configs/chains/fnsa-0.json b/e2e/configs/chains/fnsa-0.json
new file mode 100644
index 00000000000..2f8f93b4b33
--- /dev/null
+++ b/e2e/configs/chains/fnsa-0.json
@@ -0,0 +1,18 @@
+{
+  "type": "cosmos",
+  "value": {
+    "key": "testkey",
+    "chain-id": "fnsa-0",
+    "rpc-addr": "http://localhost:26657",
+    "grpc-addr": "",
+    "account-prefix": "link",
+    "keyring-backend": "test",
+    "gas-adjustment": 1.5,
+    "gas-prices": "0.025stake",
+    "debug": true,
+    "timeout": "10s",
+    "output-format": "json",
+    "sign-mode": "direct"
+  }
+}
+
diff --git a/e2e/configs/chains/fnsa-1.json b/e2e/configs/chains/fnsa-1.json
new file mode 100644
index 00000000000..1d991f5bb7b
--- /dev/null
+++ b/e2e/configs/chains/fnsa-1.json
@@ -0,0 +1,18 @@
+{
+  "type": "cosmos",
+  "value": {
+    "key": "testkey",
+    "chain-id": "fnsa-1",
+    "rpc-addr": "http://localhost:26557",
+    "grpc-addr": "",
+    "account-prefix": "link",
+    "keyring-backend": "test",
+    "gas-adjustment": 1.5,
+    "gas-prices": "0.025rice",
+    "debug": true,
+    "timeout": "10s",
+    "output-format": "json",
+    "sign-mode": "direct"
+  }
+}
+
diff --git a/e2e/configs/paths/fnsa-csms.json b/e2e/configs/paths/fnsa-csms.json
new file mode 100644
index 00000000000..657613907b3
--- /dev/null
+++ b/e2e/configs/paths/fnsa-csms.json
@@ -0,0 +1,12 @@
+{
+  "src": {
+    "chain-id": "fnsa-0"
+  },
+  "dst": {
+    "chain-id": "csms-1"
+  },
+  "src-channel-filter": {
+    "rule": null,
+    "channel-list": []
+  }
+}
diff --git a/e2e/configs/paths/fnsa-fnsa.json b/e2e/configs/paths/fnsa-fnsa.json
new file mode 100644
index 00000000000..513e4c52a89
--- /dev/null
+++ b/e2e/configs/paths/fnsa-fnsa.json
@@ -0,0 +1,12 @@
+{
+  "src": {
+    "chain-id": "fnsa-0"
+  },
+  "dst": {
+    "chain-id": "fnsa-1"
+  },
+  "src-channel-filter": {
+    "rule": null,
+    "channel-list": []
+  }
+}
diff --git a/e2e/e2e b/e2e/e2e
new file mode 100755
index 00000000000..7a0d3041401
--- /dev/null
+++ b/e2e/e2e
@@ -0,0 +1,104 @@
+#!/bin/bash -e
+RELAYER_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
+HOME_DIR="$(pwd)/data"
+RLY_HOME="$HOME_DIR/relayer"
+
+CHAIN_PATH=$1
+CHAIN0_ID=$2
+CHAIN0_BIN=$3
+CHAIN0_COINID=$4
+CHAIN1_ID=$5
+CHAIN1_BIN=$6
+CHAIN1_COINID=$7
+
+# Ensure user understands what will be deleted
+if ([[ -d $HOME_DIR ]]) && [[ ! "$8" == "skip" ]]; then
+  read -p "$0 will delete \$HOME/.relayer and \$(pwd)/data folder. Do you wish to continue? (y/n): " -n 1 -r
+  echo
+  if [[ ! $REPLY =~ ^[Yy]$ ]]; then
+      exit 1
+  fi
+fi
+
+# spin up two ibc enabled chains and add relevant config info for relaying
+bash scripts/chainz $CHAIN0_ID $CHAIN0_BIN $CHAIN0_COINID $CHAIN1_ID $CHAIN1_BIN $CHAIN1_COINID "$8"
+
+echo "waiting for blocks..."
+sleep 3
+
+# creates clients, connections and channels (all this happens in rly tx command)
+rly --home $RLY_HOME tx link $CHAIN_PATH -d -t 3s
+sleep 2
+
+BAL0=$(rly --home $RLY_HOME q bal $CHAIN0_ID)
+BAL1=$(rly --home $RLY_HOME q bal $CHAIN1_ID)
+
+echo "--  Initial balances --"
+echo "balance 0 $BAL0"
+echo "balance 1 $BAL1"
+
+if [[ "$BAL0" != *"100000000000samoleans"* ]]; then
+  echo "balance 0 is wrong"
+  exit 1
+fi
+if [[ "$BAL1" != *"100000000000beans"* ]]; then
+  echo "balance 1 is wrong"
+  exit 1
+fi
+
+echo "-- Sending IBC transaction... --"
+rly --home $RLY_HOME tx transfer $CHAIN0_ID $CHAIN1_ID 100000samoleans "$(rly --home $RLY_HOME keys show $CHAIN1_ID)" channel-0 -d
+sleep 5
+
+# relay remaining packets -- (could also be accomplished by running: `rly start`)
+rly --home $RLY_HOME tx relay-packets $CHAIN_PATH channel-0 -d
+sleep 5
+
+# relay remaining acknowledgments -- (could also be accomplished by running: `rly start`)
+rly --home $RLY_HOME tx relay-acknowledgements $CHAIN_PATH channel-0 -d
+sleep 5
+
+BAL0=$(rly --home $RLY_HOME q bal $CHAIN0_ID)
+BAL1=$(rly --home $RLY_HOME q bal $CHAIN1_ID)
+
+echo "-- Balances after packets are sent --"
+echo "balance 0 $BAL0"
+echo "balance 1 $BAL1"
+
+if [[ "$BAL0" != *"{99999900000samoleans"* ]]; then
+  echo "balance 0 is wrong"
+  exit 1
+fi
+if [[ "$BAL1" != *"100000000000beans,100000transfer/channel-0/samoleans"* ]]; then
+  echo "balance 1 is wrong"
+  exit 1
+fi
+
+echo "-- Sending tokens back to original wallet... --"
+rly --home $RLY_HOME tx transfer $CHAIN1_ID $CHAIN0_ID 100000transfer/channel-0/samoleans "$(rly --home $RLY_HOME keys show $CHAIN0_ID)" channel-0 -d
+sleep 5
+
+rly --home $RLY_HOME tx relay-packets $CHAIN_PATH channel-0 -d
+sleep 5
+
+rly --home $RLY_HOME tx relay-acknowledgements $CHAIN_PATH channel-0 -d
+sleep 5
+
+BAL0=$(rly --home $RLY_HOME q bal $CHAIN0_ID)
+BAL1=$(rly --home $RLY_HOME q bal $CHAIN1_ID)
+
+echo "-- Balances after sending packets back --"
+echo "balance 0 $BAL0"
+echo "balance 1 $BAL1"
+
+if [[ "$BAL0" != *"100000000000samoleans"* ]]; then
+  echo "balance 0 is wrong"
+  exit 1
+fi
+if [[ "$BAL1" != *"100000000000beans"* ]]; then
+  echo "balance 1 is wrong"
+  exit 1
+fi
+
+killall simd &> /dev/null || true
+killall csmssimd &> /dev/null || true
diff --git a/e2e/scripts/chainz b/e2e/scripts/chainz
new file mode 100755
index 00000000000..e1c3355d5cb
--- /dev/null
+++ b/e2e/scripts/chainz
@@ -0,0 +1,73 @@
+#!/bin/bash
+# two-chainz creates two chains and configures the relayer to 
+
+SCRIPTDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
+HOME_DIR="$(pwd)/data"
+RLY_HOME="$HOME_DIR/relayer"
+
+CHAIN0_ID=$1
+CHAIN0_BIN=$2
+CHAIN0_COINID=$3
+CHAIN1_ID=$4
+CHAIN1_BIN=$5
+CHAIN1_COINID=$6
+
+# Ensure binary is installed
+if ! [ -x "$(which $CHAIN0_BIN)" ]; then
+  echo "Error: $CHAIN0_BIN is not installed. Try running 'make bin/$CHAIN0_BIN'" >&2
+  exit 1
+fi
+if ! [ -x "$(which $CHAIN1_BIN)" ]; then
+  echo "Error: $CHAIN1_BIN is not installed. Try running 'make bin/$CHAIN1_BIN'" >&2
+  exit 1
+fi
+
+# Display software version for testers
+echo "BINARY VERSION INFO:"
+$CHAIN0_BIN version --long --log_level=info
+$CHAIN1_BIN version --long --log_level=info
+
+# Ensure jq is installed
+if [[ ! -x "$(which jq)" ]]; then
+  echo "jq (a tool for parsing json in the command line) is required..."
+  echo "https://stedolan.github.io/jq/download/"
+  exit 1
+fi
+
+# Ensure user understands what will be deleted
+if [[ -d $HOME_DIR ]] && [[ ! "$7" == "skip" ]]; then
+  read -p "$(basename $0) will delete \$(pwd)/data and \$HOME/.relayer folders. Do you wish to continue? (y/n): " -n 1 -r
+  echo
+  if [[ ! $REPLY =~ ^[Yy]$ ]]; then
+      exit 1
+  fi
+fi
+
+# Delete data from old runs
+rm -rf $HOME_DIR &> /dev/null
+
+# Stop existing binary processes
+killall simd &> /dev/null
+killall csmssimd &> /dev/null
+
+set -e
+
+echo "Generating fnsa configurations..."
+mkdir -p $HOME_DIR && cd $HOME_DIR && cd ../
+./scripts/one-chain $CHAIN0_BIN $CHAIN0_ID $HOME_DIR 26657 26656 6060 9090 stake samoleans
+./scripts/one-chain $CHAIN1_BIN $CHAIN1_ID $HOME_DIR 26557 26556 6061 9091 rice beans
+
+[ -f $HOME_DIR/$CHAIN0_ID.log ] && echo "$CHAIN0_ID initialized. Watch file $HOME_DIR/$CHAIN0_ID.log to see its execution."
+[ -f $HOME_DIR/$CHAIN1_ID.log ] && echo "$CHAIN1_ID initialized. Watch file $HOME_DIR/$CHAIN1_ID.log to see its execution."
+
+echo "Generating rly configurations..."
+rly --home $RLY_HOME config init
+rly --home $RLY_HOME chains add-dir configs/chains
+
+SEED0=$(jq -r '.mnemonic' $HOME_DIR/$CHAIN0_ID/key_seed.json)
+SEED1=$(jq -r '.mnemonic' $HOME_DIR/$CHAIN1_ID/key_seed.json)
+
+echo "Key $(rly --home $RLY_HOME keys restore $CHAIN0_ID testkey "$SEED0" --coin-type $CHAIN0_COINID) imported from CHAIN0_ID to relayer..."
+echo "Key $(rly --home $RLY_HOME keys restore $CHAIN1_ID testkey "$SEED1" --coin-type $CHAIN1_COINID) imported from CHAIN1_ID to relayer..."
+
+rly --home $RLY_HOME paths add-dir configs/paths
diff --git a/e2e/scripts/one-chain b/e2e/scripts/one-chain
new file mode 100755
index 00000000000..6d65ddd486d
--- /dev/null
+++ b/e2e/scripts/one-chain
@@ -0,0 +1,116 @@
+#!/bin/bash
+
+display_usage() {
+	echo "\nMissing $1 parameter. Please check if all parameters were specified."
+	echo "\nUsage: ./one-chain [BINARY] [CHAIN_ID] [CHAIN_DIR] [RPC_PORT] [P2P_PORT] [PROFILING_PORT] [GRPC_PORT]"
+  echo "\nExample: ./one-chain $BINARY test-chain-id ./data 26657 26656 6060 9090 \n"
+  exit 1
+}
+
+KEYRING=--keyring-backend="test"
+SILENT=1
+
+redirect() {
+  if [ "$SILENT" -eq 1 ]; then
+    "$@" > /dev/null 2>&1
+  else
+    "$@"
+  fi
+}
+
+BINARY=$1
+CHAINID=$2
+CHAINDIR=$3
+RPCPORT=$4
+P2PPORT=$5
+PROFPORT=$6
+GRPCPORT=$7
+DENOM=$8
+BASEDENOM=$9
+
+if [ -z "$1" ]; then
+  display_usage "[BINARY] ($BINARY|akash)"
+fi
+
+if [ -z "$2" ]; then
+  display_usage "[CHAIN_ID]"
+fi
+
+if [ -z "$3" ]; then
+  display_usage "[CHAIN_DIR]"
+fi
+
+if [ -z "$4" ]; then
+  display_usage "[RPC_PORT]"
+fi
+
+if [ -z "$5" ]; then
+  display_usage "[P2P_PORT]"
+fi
+
+if [ -z "$6" ]; then
+  display_usage "[PROFILING_PORT]"
+fi
+
+if [ -z "$7" ]; then
+  display_usage "[GRPC_PORT]"
+fi
+
+echo "Creating $BINARY instance: home=$CHAINDIR | chain-id=$CHAINID | p2p=:$P2PPORT | rpc=:$RPCPORT | profiling=:$PROFPORT | grpc=:$GRPCPORT"
+
+# Add dir for chain, exit if error
+if ! mkdir -p $CHAINDIR/$CHAINID 2>/dev/null; then
+    echo "Failed to create chain folder. Aborting..."
+    exit 1
+fi
+
+# Build genesis file incl account for passed address
+coins="100000000000$DENOM,100000000000$BASEDENOM"
+delegate="100000000000$DENOM"
+
+redirect $BINARY --home $CHAINDIR/$CHAINID --chain-id $CHAINID init $CHAINID
+sleep 1
+$BINARY --home $CHAINDIR/$CHAINID keys add validator $KEYRING --output json > $CHAINDIR/$CHAINID/validator_seed.json 2>&1
+sleep 1
+$BINARY --home $CHAINDIR/$CHAINID keys add user $KEYRING --output json > $CHAINDIR/$CHAINID/key_seed.json 2>&1
+sleep 1
+redirect $BINARY --home $CHAINDIR/$CHAINID add-genesis-account $($BINARY --home $CHAINDIR/$CHAINID keys $KEYRING show user -a) $coins 
+sleep 1
+redirect $BINARY --home $CHAINDIR/$CHAINID add-genesis-account $($BINARY --home $CHAINDIR/$CHAINID keys $KEYRING show validator -a) $coins 
+sleep 1
+redirect $BINARY --home $CHAINDIR/$CHAINID gentx validator $delegate $KEYRING --chain-id $CHAINID
+sleep 1
+redirect $BINARY --home $CHAINDIR/$CHAINID collect-gentxs 
+sleep 1
+
+# Check platform
+platform='unknown'
+unamestr=`uname`
+if [ "$unamestr" = 'Linux' ]; then
+   platform='linux'
+fi
+
+# Set proper defaults and change ports (use a different sed for Mac or Linux)
+echo "Change settings in config.toml and genesis.json files..."
+if [ $platform = 'linux' ]; then
+  sed -i 's#"tcp://127.0.0.1:26657"#"tcp://0.0.0.0:'"$RPCPORT"'"#g' $CHAINDIR/$CHAINID/config/config.toml
+  sed -i 's#"tcp://0.0.0.0:26656"#"tcp://0.0.0.0:'"$P2PPORT"'"#g' $CHAINDIR/$CHAINID/config/config.toml
+  sed -i 's#"localhost:6060"#"localhost:'"$P2PPORT"'"#g' $CHAINDIR/$CHAINID/config/config.toml
+  sed -i 's/timeout_commit = "5s"/timeout_commit = "1s"/g' $CHAINDIR/$CHAINID/config/config.toml
+  sed -i 's/timeout_propose = "3s"/timeout_propose = "1s"/g' $CHAINDIR/$CHAINID/config/config.toml
+  sed -i 's/index_all_keys = false/index_all_keys = true/g' $CHAINDIR/$CHAINID/config/config.toml
+  sed -i 's/"bond_denom": "stake"/"bond_denom": "'"$DENOM"'"/g' $CHAINDIR/$CHAINID/config/genesis.json
+  # sed -i '' 's#index-events = \[\]#index-events = \["message.action","send_packet.packet_src_channel","send_packet.packet_sequence"\]#g' $CHAINDIR/$CHAINID/config/app.toml
+else
+  sed -i '' 's#"tcp://127.0.0.1:26657"#"tcp://0.0.0.0:'"$RPCPORT"'"#g' $CHAINDIR/$CHAINID/config/config.toml
+  sed -i '' 's#"tcp://0.0.0.0:26656"#"tcp://0.0.0.0:'"$P2PPORT"'"#g' $CHAINDIR/$CHAINID/config/config.toml
+  sed -i '' 's#"localhost:6060"#"localhost:'"$P2PPORT"'"#g' $CHAINDIR/$CHAINID/config/config.toml
+  sed -i '' 's/timeout_commit = "5s"/timeout_commit = "1s"/g' $CHAINDIR/$CHAINID/config/config.toml
+  sed -i '' 's/timeout_propose = "3s"/timeout_propose = "1s"/g' $CHAINDIR/$CHAINID/config/config.toml
+  sed -i '' 's/index_all_keys = false/index_all_keys = true/g' $CHAINDIR/$CHAINID/config/config.toml
+  sed -i '' 's/"bond_denom": "stake"/"bond_denom": "'"$DENOM"'"/g' $CHAINDIR/$CHAINID/config/genesis.json
+  # sed -i '' 's#index-events = \[\]#index-events = \["message.action","send_packet.packet_src_channel","send_packet.packet_sequence"\]#g' $CHAINDIR/$CHAINID/config/app.toml
+fi
+
+# Start the gaia
+$BINARY --home $CHAINDIR/$CHAINID start --pruning=nothing --grpc-web.enable=false --grpc.address="0.0.0.0:$GRPCPORT" > $CHAINDIR/$CHAINID.log 2>&1 &