diff --git a/.golangci.bck.yml b/.golangci.bck.yml
new file mode 100644
index 0000000..4d01df2
--- /dev/null
+++ b/.golangci.bck.yml
@@ -0,0 +1,31 @@
+linters:
+  enable:
+    - asciicheck
+    - bodyclose
+    - dogsled
+    - dupl
+    - errcheck
+    - exportloopref
+    - goconst
+    - gofmt
+    - goimports
+    - revive
+    - gosimple
+    - govet
+    - ineffassign
+    - misspell
+    - nakedret
+    - nolintlint
+    - prealloc
+    - staticcheck
+    - stylecheck
+    - typecheck
+    - unconvert
+    - unused
+
+issues:
+  max-same-issues: 50
+
+linters-settings:
+  dogsled:
+    max-blank-identifiers: 3
diff --git a/.golangci.yml b/.golangci.yml
index 876c463..571997c 100644
--- a/.golangci.yml
+++ b/.golangci.yml
@@ -1,35 +1,41 @@
+version: "2"
 linters:
   enable:
     - asciicheck
     - bodyclose
     - dogsled
     - dupl
-    - errcheck
-    - exportloopref
     - goconst
-    - gofmt
-    - goimports
-    - revive
-    - gosimple
-    - govet
-    - ineffassign
     - misspell
     - nakedret
     - nolintlint
     - prealloc
+    - revive
     - staticcheck
-    - stylecheck
-    - typecheck
     - unconvert
-    - unused
-
+  settings:
+    dogsled:
+      max-blank-identifiers: 3
+  exclusions:
+    generated: lax
+    presets:
+      - comments
+      - common-false-positives
+      - legacy
+      - std-error-handling
+    paths:
+      - third_party$
+      - builtin$
+      - examples$
 issues:
   max-same-issues: 50
-
-linters-settings:
-  dogsled:
-    max-blank-identifiers: 3
-  golint:
-    min-confidence: 0
-  maligned:
-    suggest-new: true
+formatters:
+  enable:
+    - gofmt
+    - goimports
+  exclusions:
+    generated: lax
+    paths:
+      - third_party$
+      - builtin$
+      - examples$
diff --git a/config.yaml b/config.yaml
index 58b6a77..b233dbc 100644
--- a/config.yaml
+++ b/config.yaml
@@ -2,6 +2,7 @@ network:
   rpc: ""
   registration: ""
   lightweight_state: ""
+  likeness_registry: ""
   private_key: ""
   vault_address: "https://127.0.0.1:8200"
   vault_mount_path: "secret_data"
diff --git a/docs/spec/components/schemas/LikenessRequest.yaml b/docs/spec/components/schemas/LikenessRequest.yaml
new file mode 100644
index 0000000..424ba0f
--- /dev/null
+++ b/docs/spec/components/schemas/LikenessRequest.yaml
@@ -0,0 +1,7 @@
+type: object
+x-go-is-request: true
+required:
+  - data
+properties:
+  data:
+    $ref: '#/components/schemas/LikenessRequestData'
diff --git a/docs/spec/components/schemas/LikenessRequestData.yaml b/docs/spec/components/schemas/LikenessRequestData.yaml
new file mode 100644
index 0000000..c5e85fb
--- /dev/null
+++ b/docs/spec/components/schemas/LikenessRequestData.yaml
@@ -0,0 +1,16 @@
+type: object
+required:
+  - tx_data
+  - no_send
+properties:
+  meta:
+    type: object
+    description: "Metadata if it is required"
+    example: {"source": "web", "user_id": 123}
+  tx_data:
+    type: string
+  no_send:
+    type: bool
+    description: Flag indicates whether transaction should be sent on-chain
+    example: true
+
diff --git a/docs/spec/paths/integrations@registration-relayer@v1@likeness-registry.yaml b/docs/spec/paths/integrations@registration-relayer@v1@likeness-registry.yaml
new file mode 100644
index 0000000..c21f8db
--- /dev/null
+++ b/docs/spec/paths/integrations@registration-relayer@v1@likeness-registry.yaml
@@ -0,0 +1,33 @@
+post:
+  tags:
+    - Likeness Registry
+  summary: Likeness Registry
+  operationId: likeness
+  requestBody:
+    content:
+      application/json:
+        schema:
+          $ref: '#/components/schemas/LikenessRequest'
+  responses:
+    '200':
+      description: Success
+      content:
+        application/json:
+          schema:
+            type: object
+            properties:
+              data:
+                type: object
+                $ref: '#/components/schemas/Tx'
+    '400':
+      description: Bad Request Error
+      content:
+        application/json:
+          schema:
+            $ref: '#/components/schemas/Errors'
+    '500':
+      description: Internal Error
+      content:
+        application/json:
+          schema:
+            $ref: '#/components/schemas/Errors'
\ No newline at end of file
diff --git a/internal/config/network.go b/internal/config/network.go
index e4dca31..309ef21 100644
--- a/internal/config/network.go
+++ b/internal/config/network.go
@@ -39,6 +39,7 @@ type RelayerConfig struct {
 	RPC                     *ethclient.Client
 	RegistrationAddress     common.Address
 	LightweightStateAddress *common.Address
+	LikenessRegistryAddress *common.Address
 	ChainID                 *big.Int
 	PrivateKey              *ecdsa.PrivateKey
 	WhiteList               whitelist
@@ -56,6 +57,7 @@ func (e *ethereum) RelayerConfig() *RelayerConfig {
 			RPC                     *ethclient.Client `fig:"rpc,required"`
 			RegistrationAddress     common.Address    `fig:"registration,required"`
 			LightweightStateAddress *common.Address   `fig:"lightweight_state"`
+			LikenessRegistryAddress *common.Address   `fig:"likeness_registry"`
 			PrivateKey              *ecdsa.PrivateKey `fig:"private_key"`
 			VaultAddress            string            `fig:"vault_address"`
 			VaultMountPath          string            `fig:"vault_mount_path"`
@@ -76,6 +78,7 @@ func (e *ethereum) RelayerConfig() *RelayerConfig {
 		result.RPC = networkConfig.RPC
 		result.RegistrationAddress = networkConfig.RegistrationAddress
 		result.LightweightStateAddress = networkConfig.LightweightStateAddress
+		result.LikenessRegistryAddress = networkConfig.LikenessRegistryAddress
 
 		result.ChainID, err = result.RPC.ChainID(context.Background())
 		if err != nil {
diff --git a/internal/service/handlers/likeness_registry.go b/internal/service/handlers/likeness_registry.go
new file mode 100644
index 0000000..d25db28
--- /dev/null
+++ b/internal/service/handlers/likeness_registry.go
@@ -0,0 +1,77 @@
+package handlers
+
+import (
+	"net/http"
+	"strings"
+
+	"github.com/ethereum/go-ethereum/common/hexutil"
+	"github.com/ethereum/go-ethereum/core/vm"
+	validation "github.com/go-ozzo/ozzo-validation/v4"
+	"github.com/rarimo/registration-relayer/internal/service/requests"
+	"gitlab.com/distributed_lab/ape"
+	"gitlab.com/distributed_lab/ape/problems"
+	"gitlab.com/distributed_lab/logan/v3"
+	"gitlab.com/distributed_lab/logan/v3/errors"
+)
+
+func LikenessRegistry(w http.ResponseWriter, r *http.Request) {
+	req, err := requests.NewLikenessRequest(r)
+	if err != nil {
+		Log(r).WithError(err).Error("failed to get request")
+		ape.RenderErr(w, problems.BadRequest(err)...)
+		return
+	}
+
+	logF := logan.F{
+		"user-agent": r.Header.Get("User-Agent"),
+		"calldata":   req.Data.TxData,
+	}
+	if req.Data.Meta != nil {
+		logF = logF.Merge(*req.Data.Meta)
+	}
+
+	log := Log(r).WithFields(logF)
+	log.Debug("likeness registry request")
+
+	if RelayerConfig(r).LikenessRegistryAddress == nil {
+		Log(r).Error("likeness registry address is not set in config")
+		ape.RenderErr(w, problems.InternalError())
+		return
+	}
+
+	var txd txData
+	txd.dataBytes, err = hexutil.Decode(req.Data.TxData)
+	if err != nil {
+		Log(r).WithError(err).Error("failed to decode data")
+		ape.RenderErr(w, problems.BadRequest(err)...)
+		return
+	}
+
+	RelayerConfig(r).LockNonce()
+	defer RelayerConfig(r).UnlockNonce()
+
+	err = confGas(r, &txd, RelayerConfig(r).LikenessRegistryAddress)
+	if err != nil {
+		Log(r).WithError(err).Error("failed to configure gas and gasPrice")
+		// `errors.Is` is not working for rpc errors, they passed as a string without additional wrapping
+		// because of this we operate with raw strings
+		if strings.Contains(err.Error(), vm.ErrExecutionReverted.Error()) {
+			errParts := strings.Split(err.Error(), ":")
+			contractName := strings.TrimSpace(errParts[len(errParts)-2])
+			errMsg := errors.New(strings.TrimSpace(errParts[len(errParts)-1]))
+			ape.RenderErr(w, problems.BadRequest(validation.Errors{contractName: errMsg}.Filter())...)
+			return
+		}
+		ape.RenderErr(w, problems.InternalError())
+		return
+	}
+
+	tx, err := sendTx(r, &txd, RelayerConfig(r).LikenessRegistryAddress, req.Data.NoSend)
+	if err != nil {
+		Log(r).WithError(err).Error("failed to send tx")
+		ape.RenderErr(w, problems.InternalError())
+		return
+	}
+
+	ape.Render(w, newTxResponse(tx))
+}
diff --git a/internal/service/requests/likeness_registry.go b/internal/service/requests/likeness_registry.go
new file mode 100644
index 0000000..a6f726e
--- /dev/null
+++ b/internal/service/requests/likeness_registry.go
@@ -0,0 +1,21 @@
+package requests
+
+import (
+	"encoding/json"
+	"net/http"
+
+	validation "github.com/go-ozzo/ozzo-validation/v4"
+	"github.com/rarimo/registration-relayer/resources"
+	"gitlab.com/distributed_lab/logan/v3/errors"
+)
+
+func NewLikenessRequest(r *http.Request) (req resources.LikenessRequest, err error) {
+	err = json.NewDecoder(r.Body).Decode(&req)
+	if err != nil {
+		return req, errors.Wrap(err, "failed to unmarshal")
+	}
+
+	return req, validation.Errors{
+		"data/tx_data": validation.Validate(req.Data.TxData, validation.Required, validation.Match(calldataRegexp)),
+	}.Filter()
+}
diff --git a/internal/service/router.go b/internal/service/router.go
index 9eb5584..02af292 100644
--- a/internal/service/router.go
+++ b/internal/service/router.go
@@ -21,6 +21,7 @@ func (s *service) router() chi.Router {
 		r.Route("/v1", func(r chi.Router) {
 			r.Post("/register", handlers.Registration)
 			r.Post("/transit-state", handlers.TransitState)
+			r.Post("/likeness-registry", handlers.LikenessRegistry)
 		})
 	})
 
diff --git a/resources/model_likeness_request.go b/resources/model_likeness_request.go
new file mode 100644
index 0000000..a559ce9
--- /dev/null
+++ b/resources/model_likeness_request.go
@@ -0,0 +1,9 @@
+/*
+ * GENERATED. Do not modify. Your changes might be overwritten!
+ */
+
+package resources
+
+type LikenessRequest struct {
+	Data LikenessRequestData `json:"data"`
+}
diff --git a/resources/model_likeness_request_data.go b/resources/model_likeness_request_data.go
new file mode 100644
index 0000000..190dffe
--- /dev/null
+++ b/resources/model_likeness_request_data.go
@@ -0,0 +1,13 @@
+/*
+ * GENERATED. Do not modify. Your changes might be overwritten!
+ */
+
+package resources
+
+type LikenessRequestData struct {
+	// Metadata if it is required
+	Meta *map[string]interface{} `json:"meta,omitempty"`
+	// Flag indicates whether transaction should be sent on-chain
+	NoSend bool   `json:"no_send"`
+	TxData string `json:"tx_data"`
+}