diff --git a/src/main/kotlin/ee/nx01/tonclient/TonClient.kt b/src/main/kotlin/ee/nx01/tonclient/TonClient.kt
index 7574bbb..89374c7 100644
--- a/src/main/kotlin/ee/nx01/tonclient/TonClient.kt
+++ b/src/main/kotlin/ee/nx01/tonclient/TonClient.kt
@@ -4,6 +4,7 @@ import com.fasterxml.jackson.annotation.JsonCreator
 import ee.nx01.tonclient.abi.AbiModule
 import ee.nx01.tonclient.boc.BocModule
 import ee.nx01.tonclient.crypto.CryptoModule
+import ee.nx01.tonclient.debot.DeBotModule
 import ee.nx01.tonclient.net.NetModule
 import ee.nx01.tonclient.process.ProcessModule
 import ee.nx01.tonclient.tvm.TvmModule
@@ -27,6 +28,7 @@ class TonClient(val config: TonClientConfig = TonClientConfig()) {
     val processing = ProcessModule(this)
     val boc = BocModule(this)
     val utils = UtilsModule(this)
+    val debot = DeBotModule(this)
 
     init {
         val result = TONSDKJsonApi.createContext(JsonUtils.write(config))
@@ -128,6 +130,8 @@ enum class TonResponseType(val code: Int) {
     Success(0),
     Error(1),
     Nop(2),
+    AppRequest(3),
+    AppNotify(4),
     Custom(100);
 
     companion object {
diff --git a/src/main/kotlin/ee/nx01/tonclient/debot/AppDebotBrowser.kt b/src/main/kotlin/ee/nx01/tonclient/debot/AppDebotBrowser.kt
new file mode 100644
index 0000000..20b0fc2
--- /dev/null
+++ b/src/main/kotlin/ee/nx01/tonclient/debot/AppDebotBrowser.kt
@@ -0,0 +1,13 @@
+package ee.nx01.tonclient.debot
+
+interface AppDebotBrowser {
+    fun log(params: ParamsOfAppDebotBrowserLog)
+    fun switch(params: ParamsOfAppDebotBrowserSwitch)
+    fun switchCompleted()
+    fun showAction(params: ParamsOfAppDebotBrowserShowAction)
+    fun input(params: ParamsOfAppDebotBrowserInput): ResultOfAppDebotBrowserInput
+    fun getSigningBox(): ResultOfAppDebotBrowserGetSigningBox
+    fun invokeDebot(params: ParamsOfAppDebotBrowserInvokeDebot)
+    fun send(params: ParamsOfAppDebotBrowserSend)
+    fun approve(params: ParamsOfAppDebotBrowserApprove): ResultOfAppDebotBrowserApprove
+}
\ No newline at end of file
diff --git a/src/main/kotlin/ee/nx01/tonclient/debot/DeBotModule.kt b/src/main/kotlin/ee/nx01/tonclient/debot/DeBotModule.kt
new file mode 100644
index 0000000..f334fcc
--- /dev/null
+++ b/src/main/kotlin/ee/nx01/tonclient/debot/DeBotModule.kt
@@ -0,0 +1,75 @@
+package ee.nx01.tonclient.debot
+
+import ee.nx01.tonclient.JsonUtils
+import ee.nx01.tonclient.TonClient
+
+/**
+ * Module for working with debot.
+ */
+class DeBotModule(private val tonClient: TonClient) {
+
+    /**
+     * Downloads debot smart contract (code and data) from blockchain and creates an instance of Debot Engine for it.
+     */
+    suspend fun init(params: ParamsOfInit, onResult: (result: ParamsOfAppDebotBrowser) -> Unit): RegisteredDebot {
+        return tonClient.request("debot.init", params) {
+            onResult(JsonUtils.read(it))
+        }
+    }
+
+    /**
+     * Starts the DeBot.
+
+    Downloads debot smart contract from blockchain and switches it to
+    context zero.
+
+    This function must be used by Debot Browser to start a dialog with debot.
+    While the function is executing, several Browser Callbacks can be called,
+    since the debot tries to display all actions from the context 0 to the user.
+
+    When the debot starts SDK registers `BrowserCallbacks` AppObject.
+    Therefore when `debote.remove` is called the debot is being deleted and the callback is called
+    with `finish`=`true` which indicates that it will never be used again.
+
+     */
+    suspend fun start(params: ParamsOfStart) {
+        return tonClient.request("debot.start", params)
+    }
+
+    /**
+     * Fetches DeBot metadata from blockchain.
+     *
+     * Downloads DeBot from blockchain and creates and fetches its metadata.
+     */
+    suspend fun fetch(params: ParamsOfFetch): ResultOfFetch {
+        return tonClient.request("debot.fetch", params)
+    }
+
+    /**
+     * Executes debot action.
+     * Calls debot engine referenced by debot handle to execute input action.
+     * Calls Debot Browser Callbacks if needed.
+     * # Remarks
+     * Chain of actions can be executed if input action generates a list of subactions.
+     */
+    suspend fun execute(params: ParamsOfExecute) {
+        return tonClient.request("debot.execute", params)
+    }
+
+    /**
+     * Sends message to Debot.
+     * Used by Debot Browser to send response on Dinterface call or from other Debots.
+     */
+    suspend fun send(params: ParamsOfSend) {
+        return tonClient.request("debot.send", params)
+    }
+
+    /**
+     * Destroys debot handle.
+     * Removes handle from Client Context and drops debot engine referenced by that handle.
+     */
+    suspend fun remove(params: ParamsOfRemove) {
+        return tonClient.request("debot.remove", params)
+    }
+
+}
diff --git a/src/main/kotlin/ee/nx01/tonclient/debot/Types.kt b/src/main/kotlin/ee/nx01/tonclient/debot/Types.kt
new file mode 100644
index 0000000..2b1113a
--- /dev/null
+++ b/src/main/kotlin/ee/nx01/tonclient/debot/Types.kt
@@ -0,0 +1,133 @@
+package ee.nx01.tonclient.debot
+
+data class ParamsOfAppDebotBrowserLog(
+    val msg: String
+)
+
+data class ParamsOfAppDebotBrowserSwitch(
+    val contextId: Long
+)
+
+data class ParamsOfAppDebotBrowserShowAction(
+    val action: DebotAction
+)
+
+data class ParamsOfAppDebotBrowserInput(
+    val prompt: String
+)
+
+data class ResultOfAppDebotBrowserInput(
+    val value: String
+)
+
+data class ResultOfAppDebotBrowserGetSigningBox(
+    val signingBox: Long
+)
+
+data class ParamsOfAppDebotBrowserInvokeDebot(
+    val debotAddr: String,
+    val action: DebotAction
+)
+
+data class ParamsOfAppDebotBrowserSend(
+    val message: String
+)
+
+data class ParamsOfAppDebotBrowserApprove(
+    val activity: DebotActivity
+)
+
+data class ResultOfAppDebotBrowserApprove(
+    val approved: Boolean
+)
+
+
+enum class AppDebotBrowserMessageType {
+    Log, Switch, SwitchCompleted, ShowAction, Input, GetSigningBox, InvokeDebot, Send, Approve
+}
+
+data class ParamsOfAppDebotBrowser(
+    val type: AppDebotBrowserMessageType,
+    val msg: String? = null,
+    val contextId: Long? = null,
+    val action: DebotAction? = null,
+    val prompt: String? = null,
+    val debotAddr: String? = null,
+    val message: String? = null,
+    val activity: DebotActivity? = null
+)
+
+data class DebotActivity(
+    val type: String = "Transaction",
+    val msg: String,
+    val dst: String,
+    val out: List<Spending> = listOf(),
+    val fee: Long,
+    val setcode: Boolean,
+    val signkey: String,
+    val signing_box_handle: Long
+)
+
+data class Spending(
+    val amount: Long,
+    val dst: String
+)
+
+data class ParamsOfRemove(
+    val debotHandle: Long
+)
+
+data class ParamsOfSend(
+    val debotHandle: Long,
+    val message: String
+)
+
+data class ParamsOfExecute(
+    val debotHandle: Long,
+    val action: DebotAction
+)
+
+data class DebotAction(
+    val description: String,
+    val name: String,
+    val actionType: Long,
+    val to: Long,
+    val attributes: String,
+    val misc: String
+)
+
+data class ResultOfFetch(
+    val info: DebotInfo
+)
+
+data class ParamsOfFetch(
+    val address: String
+)
+
+data class ParamsOfStart(
+    val debotHandle: Long
+)
+
+data class ParamsOfInit(
+    val address: String
+)
+
+data class RegisteredDebot(
+    val debotHandle: Long,
+    val debotAbi: String,
+    val info: DebotInfo
+)
+
+data class DebotInfo(
+    val name: String? = null,
+    val version: String? = null,
+    val publisher: String? = null,
+    val caption: String? = null,
+    val author: String? = null,
+    val support: String? = null,
+    val hello: String? = null,
+    val language: String? = null,
+    val dabi: String? = null,
+    val icon: String? = null,
+    val interfaces: List<String> = listOf()
+)
diff --git a/src/main/resources/natives/linux_64/libtonclientjni.so b/src/main/resources/natives/linux_64/libtonclientjni.so
index 0fc6969..192d81a 100644
Binary files a/src/main/resources/natives/linux_64/libtonclientjni.so and b/src/main/resources/natives/linux_64/libtonclientjni.so differ
diff --git a/src/main/resources/natives/osx_64/libtonclientjni.dylib b/src/main/resources/natives/osx_64/libtonclientjni.dylib
index 9943730..7d0e7cd 100644
Binary files a/src/main/resources/natives/osx_64/libtonclientjni.dylib and b/src/main/resources/natives/osx_64/libtonclientjni.dylib differ
diff --git a/src/main/resources/natives/windows_64/tonclientjni.dll b/src/main/resources/natives/windows_64/tonclientjni.dll
index c37d580..f35bfaa 100644
Binary files a/src/main/resources/natives/windows_64/tonclientjni.dll and b/src/main/resources/natives/windows_64/tonclientjni.dll differ
diff --git a/src/test/kotlin/ee/nx01/tonclient/TestConstants.kt b/src/test/kotlin/ee/nx01/tonclient/TestConstants.kt
index 78e6b03..fcff816 100644
--- a/src/test/kotlin/ee/nx01/tonclient/TestConstants.kt
+++ b/src/test/kotlin/ee/nx01/tonclient/TestConstants.kt
@@ -2,11 +2,11 @@ package ee.nx01.tonclient
 
 object TestConstants {
     val WALLET_PHRASE = "defense talent layer admit setup virus deer buffalo timber ethics symbol cover"
-    val WALLET_ADDRESS = "0:c1c52894eb07f12ba110ff4be2d115ab09d0b06ba44ff9d6d31459a00d4e58ef"
-    val MESSAGE_ID = "94a29f117ef5c1afbc0ee129e9a9c014aa9261ce285b1e7597d0282e0aa29cf5"
-    val BLOCK_ID = 171453f
-    val TRANSACTION_ID = "883f0058b814f2cf9ec8caeae02db34e505409247f5a5f002ed9063d3a5c56e8"
-    val KEY_BLOCK_ID = "8734c2bdfe82c1b5c5aa7c7b5267733e3b312c63224c0d2ad9b2f7f382ead012"
+    val WALLET_ADDRESS = "0:7f458ae01e28573a181e2227dc77710d6421d4e103fdd3e023200aa4bce83950"
+    val MESSAGE_ID = "8fad5a4e275f921ac19b22d00533c48cee277b93bea309317470340b64294baf"
+    val BLOCK_ID = 452651f
+    val TRANSACTION_ID = "4f5a7c06d287f0c41b3cb7795605a96491fb275ae2edf02612638c30ef430576"
+    val KEY_BLOCK_ID = "f2cfde69312a330f70f671f66ce13bdc5a514f30844c698643ac39aee4e2b890"
     val WALLET_SECRET = "db16e21ee91b5064f6e31d9a2fb4771ce7f8acf14fe6d6ffade8ffcbeec31d69"
     val WALLET_PUBLIC = "335c317bfef32545749a665bfec97f692fdc107d0867a1a1e1b2d2906b40d24c"
 
diff --git a/src/test/kotlin/ee/nx01/tonclient/debot/DeBotModuleTest.kt b/src/test/kotlin/ee/nx01/tonclient/debot/DeBotModuleTest.kt
new file mode 100644
index 0000000..2e437ff
--- /dev/null
+++ b/src/test/kotlin/ee/nx01/tonclient/debot/DeBotModuleTest.kt
@@ -0,0 +1,32 @@
+package ee.nx01.tonclient.debot
+
+import ee.nx01.tonclient.NetworkConfig
+import ee.nx01.tonclient.TonClient
+import ee.nx01.tonclient.TonClientConfig
+import io.kotest.core.spec.style.StringSpec
+import io.kotest.matchers.shouldNotBe
+
+class DeBotModuleTest : StringSpec({
+
+    "Should be able init and start deboot" {
+        val client = TonClient(TonClientConfig(network = NetworkConfig("main.ton.dev")))
+
+        val response = client.debot.init(ParamsOfInit("0:038081930f6b5211ba2c9e36cb28945954c35ccd913872a4b17b2671b83f2a88")) {
+            println(it)
+        }
+
+        response shouldNotBe  null
+
+        client.debot.start(ParamsOfStart(response.debotHandle))
+
+        Thread.sleep(3000)
+    }
+
+    "Should be able fetch" {
+        val client = TonClient(TonClientConfig(network = NetworkConfig("main.ton.dev")))
+
+        val response = client.debot.fetch(ParamsOfFetch("0:038081930f6b5211ba2c9e36cb28945954c35ccd913872a4b17b2671b83f2a88"))
+
+        response shouldNotBe  null
+    }
+})
diff --git a/src/test/kotlin/ee/nx01/tonclient/net/NetModuletTest.kt b/src/test/kotlin/ee/nx01/tonclient/net/NetModuletTest.kt
index 04e7eee..9f93e38 100644
--- a/src/test/kotlin/ee/nx01/tonclient/net/NetModuletTest.kt
+++ b/src/test/kotlin/ee/nx01/tonclient/net/NetModuletTest.kt
@@ -79,7 +79,7 @@ class NetModuletTest : StringSpec({
     "Query transaction tree" {
         val client = TonClient()
 
-        val response = client.net.queryTransactionTree(ParamsOfQueryTransactionTree("94a29f117ef5c1afbc0ee129e9a9c014aa9261ce285b1e7597d0282e0aa29cf5"))
+        val response = client.net.queryTransactionTree(ParamsOfQueryTransactionTree(TestConstants.MESSAGE_ID))
 
         response.messages shouldNotBe null