diff --git a/config.yaml b/config.yaml
index 6d96b0d..6956fd7 100644
--- a/config.yaml
+++ b/config.yaml
@@ -12,12 +12,22 @@ networks:
   keys:
     - name: 'Goerli'
       chain_id: 5
-      rpc:  "https://goerli.infura.io/v3/5aabf6bd4d384c288d6f85d3d6278234"
-#    - name: 'Fuji'
-#      rpc:  "https://avalanche-fuji.infura.io/v3/5aabf6bd4d384c288d6f85d3d6278234"
+      rpc:  "https://goerli.infura.io/v3/"
+    - name: 'Fuji'
+      chain_id: 43113
+      rpc:  "https://avalanche-fuji.infura.io/v3/"
     - name: 'BSC Testnet'
       chain_id: 97
-      rpc:  "https://bsc-testnet.publicnode.com"
+      rpc:  "https://data-seed-prebsc-2-s3.binance.org:8545/"
+    - name: 'Ethereum'
+      chain_id: 1
+      rpc: "https://mainnet.infura.io/v3/"
+    - name: 'Avalanche'
+      chain_id: 43114
+      rpc: "https://avalanche-mainnet.infura.io/v3/"
+    - name: 'Sepolia'
+      chain_id: 11155111
+      rpc:  "https://sepolia.infura.io/v3/"
 
 
 api:
@@ -30,7 +40,7 @@ meta_data:
 
 chain_listener:
   pause_time: 500
-  abi_path: "./pkg/contract/erc20/erc20.abi"
+  abi_path: "/fgo/src/github.com/dl-only-tokens/back-listener/pkg/contract/erc20/erc20.abi"
 
 cop:
   disabled: true
diff --git a/docs/spec/components/schemas/GetTxList.yaml b/docs/spec/components/schemas/GetTxList.yaml
index 394e8c0..d6d8405 100644
--- a/docs/spec/components/schemas/GetTxList.yaml
+++ b/docs/spec/components/schemas/GetTxList.yaml
@@ -21,14 +21,4 @@ allOf:
           - data
         properties:
           data:
-            type: object
-            required:
-              - attributes
-            attributes:
-              type: object
-              required:
-                - address:
-              properties:
-                address:
-                  type: string
-                  example: 0x1234.....
+            $ref: '#/components/schemas/TxBlobRelationship'
diff --git a/docs/spec/components/schemas/TxBlob.yaml b/docs/spec/components/schemas/TxBlob.yaml
index 7d0c917..9764efa 100644
--- a/docs/spec/components/schemas/TxBlob.yaml
+++ b/docs/spec/components/schemas/TxBlob.yaml
@@ -3,6 +3,8 @@ required:
   - payment_id
   - tx_hash
   - recipient
+  - tx_hash_from
+  - tx_hash_to
   - network_from
   - network_to
 properties:
diff --git a/internal/service/api/handlers/get_tx_lists.go b/internal/service/api/handlers/get_tx_lists.go
index 322b518..7ac519e 100644
--- a/internal/service/api/handlers/get_tx_lists.go
+++ b/internal/service/api/handlers/get_tx_lists.go
@@ -43,7 +43,8 @@ func prepareResponse(txs []data.Transactions) resources.GetTxListResponse {
 			NetworkTo:   tx.NetworkTo,
 			PaymentId:   tx.PaymentID,
 			Recipient:   tx.Recipient,
-			//TxHash:      tx.TxHash,
+			TxHashTo:    tx.TxHashTo,
+			TxHashFrom:  tx.TxHashFrom,
 		}
 		txBlobs = append(txBlobs, blob)
 	}
diff --git a/internal/service/core/handler/handler.go b/internal/service/core/handler/handler.go
index d49192b..a7a87f6 100644
--- a/internal/service/core/handler/handler.go
+++ b/internal/service/core/handler/handler.go
@@ -14,13 +14,6 @@ import (
 type Handler interface {
 	Run()
 	Init() error
-	healthCheck()
-	autoInitContracts() error
-	initListeners(data []config.NetInfo) error
-	findByNetwork(network string) listener.Listener
-	prepareNewListener(network string, address string) (listener.Listener, error)
-	addNewListener(listener listener.Listener)
-	findNetwork(network string) *config.NetInfo
 }
 
 func NewHandler(log *logan.Entry, networker []config.NetInfo, rarimoApi *config.API, masterQ data.MasterQ, metaData *config.MetaData, chainListener *config.ChainListener) Handler {
@@ -92,6 +85,7 @@ func (h *ListenerHandler) initListeners(data []config.NetInfo) error {
 
 		h.addNewListener(preparedListener)
 	}
+
 	return nil
 }
 
@@ -130,6 +124,7 @@ func (h *ListenerHandler) findByNetwork(network string) listener.Listener {
 			return l
 		}
 	}
+
 	return nil
 }
 
@@ -143,5 +138,6 @@ func (h *ListenerHandler) findNetwork(network string) *config.NetInfo {
 			return &l
 		}
 	}
+
 	return nil
 }
diff --git a/internal/service/core/listener/listenr.go b/internal/service/core/listener/listenr.go
index c182f82..f0ece8c 100644
--- a/internal/service/core/listener/listenr.go
+++ b/internal/service/core/listener/listenr.go
@@ -91,7 +91,7 @@ func (l *ListenData) Run() {
 		case <-ticker.C:
 			block, err := client.BlockByNumber(context.Background(), nil)
 			if err != nil {
-				l.log.WithError(err).Error("failed to get last block ")
+				l.log.WithError(err).Error(l.chainName, ": failed to get last block ")
 				return
 			}
 
@@ -272,7 +272,7 @@ func (l *ListenData) parseRecipientFromEvent(events []types.Log, blockHash commo
 			l.log.WithError(err).Error("failed to unpack abi")
 			continue
 		}
-		if len(event) < 6 {
+		if len(event) < receiverPositionOnEvent+1 {
 			l.log.Error("event too short")
 			continue
 		}
@@ -284,7 +284,7 @@ func (l *ListenData) parseRecipientFromEvent(events []types.Log, blockHash commo
 		}
 
 		result = append(result, RecipientInfo{
-			Recipient: event[5].(string),
+			Recipient: event[receiverPositionOnEvent].(string),
 			TxHash:    vLog.TxHash,
 			Sender:    sender,
 		})
@@ -307,7 +307,7 @@ func (l *ListenData) indexContractTxs(client *ethclient.Client) {
 		case <-ticker.C:
 			block, err := client.BlockByNumber(context.Background(), nil)
 			if err != nil {
-				l.log.WithError(err).Error("failed to get last block ")
+				l.log.WithError(err).Error(l.chainName, ": failed to get last block ")
 				return
 			}
 
@@ -341,10 +341,6 @@ func (l *ListenData) indexContractTxs(client *ethclient.Client) {
 
 func (l *ListenData) filteringTx(block *types.Block) map[string][]string {
 	result := make(map[string][]string)
-	if l.chainName == "BSC Testnet" {
-		l.log.Debug(block.NumberU64(), "   ", l.chainName)
-	}
-
 	for _, tx := range block.Transactions() {
 		if tx.To() != nil && bytes.Compare(tx.To().Bytes(), hexutil.MustDecode(l.address)) == 0 {
 
@@ -372,6 +368,7 @@ func (l *ListenData) parseAddressesFromTXs(txs []data.Transactions) []string {
 
 func (l *ListenData) packTX(firstTX data.Transactions, secondTX data.Transactions) *data.Transactions {
 	firstTX.TxHashTo = secondTX.TxHashTo
+
 	return &firstTX
 }
 
@@ -385,5 +382,6 @@ func (l *ListenData) getSender(txHash string, client *ethclient.Client, blockHas
 	if err != nil {
 		return "", errors.Wrap(err, "failed to get tx")
 	}
+
 	return sender.Hex(), nil
 }
diff --git a/internal/service/core/listener/types.go b/internal/service/core/listener/types.go
index a460f9e..2c49eaf 100644
--- a/internal/service/core/listener/types.go
+++ b/internal/service/core/listener/types.go
@@ -2,6 +2,8 @@ package listener
 
 import "github.com/ethereum/go-ethereum/common"
 
+const receiverPositionOnEvent = 5
+
 type TxInfo struct {
 	Recipient   string
 	PaymentID   string
diff --git a/resources/model_get_tx_list_relationships.go b/resources/model_get_tx_list_relationships.go
index c11e049..9b6a814 100644
--- a/resources/model_get_tx_list_relationships.go
+++ b/resources/model_get_tx_list_relationships.go
@@ -5,5 +5,5 @@
 package resources
 
 type GetTxListRelationships struct {
-	Data map[string]interface{} `json:"data"`
+	Data TxBlobRelationship `json:"data"`
 }
diff --git a/resources/model_tx_blob.go b/resources/model_tx_blob.go
index 9d176a2..fda757d 100644
--- a/resources/model_tx_blob.go
+++ b/resources/model_tx_blob.go
@@ -5,10 +5,10 @@
 package resources
 
 type TxBlob struct {
-	NetworkFrom string  `json:"network_from"`
-	NetworkTo   string  `json:"network_to"`
-	PaymentId   string  `json:"payment_id"`
-	Recipient   string  `json:"recipient"`
-	TxHashFrom  *string `json:"tx_hash_from"`
-	TxHashTo    *string `json:"tx_hash_to"`
+	NetworkFrom string `json:"network_from"`
+	NetworkTo   string `json:"network_to"`
+	PaymentId   string `json:"payment_id"`
+	Recipient   string `json:"recipient"`
+	TxHashFrom  string `json:"tx_hash_from"`
+	TxHashTo    string `json:"tx_hash_to"`
 }