diff --git a/app/src/main/java/com/tangem/tap/features/onboarding/products/wallet/saltPay/SaltPayActivationManager.kt b/app/src/main/java/com/tangem/tap/features/onboarding/products/wallet/saltPay/SaltPayActivationManager.kt
index 187425c2af..9085764bf1 100644
--- a/app/src/main/java/com/tangem/tap/features/onboarding/products/wallet/saltPay/SaltPayActivationManager.kt
+++ b/app/src/main/java/com/tangem/tap/features/onboarding/products/wallet/saltPay/SaltPayActivationManager.kt
@@ -9,20 +9,25 @@ import com.tangem.blockchain.common.TransactionSigner
 import com.tangem.blockchain.extensions.successOr
 import com.tangem.common.extensions.guard
 import com.tangem.common.extensions.isZero
+import com.tangem.common.extensions.toHexString
 import com.tangem.common.services.Result
+import com.tangem.common.services.performRequest
+import com.tangem.datasource.api.paymentology.PaymentologyApiService
+import com.tangem.datasource.api.paymentology.models.request.CheckRegistrationRequests
+import com.tangem.datasource.api.paymentology.models.request.RegisterKYCRequest
+import com.tangem.datasource.api.paymentology.models.request.RegisterWalletRequest
+import com.tangem.datasource.api.paymentology.models.response.AttestationResponse
+import com.tangem.datasource.api.paymentology.models.response.RegisterWalletResponse
+import com.tangem.datasource.api.paymentology.models.response.RegistrationResponse
+import com.tangem.datasource.api.paymentology.models.response.tryExtractError
 import com.tangem.domain.common.extensions.successOr
 import com.tangem.domain.common.util.UserWalletId
-import com.tangem.datasource.api.paymentology.AttestationResponse
-import com.tangem.datasource.api.paymentology.PaymentologyApiService
-import com.tangem.datasource.api.paymentology.RegisterKYCRequest
-import com.tangem.datasource.api.paymentology.RegisterWalletRequest
-import com.tangem.datasource.api.paymentology.RegisterWalletResponse
-import com.tangem.datasource.api.paymentology.RegistrationResponse
-import com.tangem.datasource.api.paymentology.tryExtractError
 import com.tangem.operations.attestation.AttestWalletKeyResponse
 import com.tangem.tap.common.extensions.safeUpdate
 import com.tangem.tap.domain.getFirstToken
 import com.tangem.tap.features.onboarding.products.wallet.saltPay.message.SaltPayActivationError
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.withContext
 import java.math.BigDecimal
 
 /**
@@ -55,14 +60,30 @@ class SaltPayActivationManager(
     }
 
     suspend fun registerKYC(): Result<Unit> {
-        return when (val result = paymentologyService.registerKYC(makeRegisterKYCRequest())) {
+        val result = withContext(Dispatchers.IO) {
+            performRequest { paymentologyService.api.registerKYC(makeRegisterKYCRequest()) }
+        }
+        return when (result) {
             is Result.Success -> Result.Success(Unit)
             is Result.Failure -> result
         }
     }
 
     suspend fun checkRegistration(): Result<RegistrationResponse.Item> {
-        val response: RegistrationResponse = paymentologyService.checkRegistration(cardId, cardPublicKey)
+        val response: RegistrationResponse = withContext(Dispatchers.IO) {
+            performRequest {
+                paymentologyService.api.checkRegistration(
+                    request = CheckRegistrationRequests(
+                        requests = listOf(
+                            CheckRegistrationRequests.Item(
+                                cardId = cardId,
+                                publicKey = cardPublicKey.toHexString(),
+                            ),
+                        ),
+                    ),
+                )
+            }
+        }
             .successOr { return it }
             .tryExtractError<RegistrationResponse>()
             .successOr { return it }
@@ -80,7 +101,16 @@ class SaltPayActivationManager(
     }
 
     suspend fun requestAttestationChallenge(): Result<AttestationResponse> {
-        return paymentologyService.requestAttestationChallenge(cardId, cardPublicKey)
+        return withContext(Dispatchers.IO) {
+            performRequest {
+                paymentologyService.api.requestAttestationChallenge(
+                    request = CheckRegistrationRequests.Item(
+                        cardId = cardId,
+                        publicKey = cardPublicKey.toHexString(),
+                    ),
+                )
+            }
+        }
             .successOr { return it }
             .tryExtractError()
     }
@@ -105,7 +135,9 @@ class SaltPayActivationManager(
             cardSignature = attestResponse.cardSignature ?: byteArrayOf(),
             pin = pinCode,
         )
-        return paymentologyService.registerWallet(request)
+        return withContext(Dispatchers.IO) {
+            performRequest { paymentologyService.api.registerWallet(request) }
+        }
             .successOr { return it }
             .tryExtractError()
     }
@@ -163,7 +195,7 @@ class SaltPayActivationManager(
     companion object {
         fun stub(): SaltPayActivationManager = SaltPayActivationManager(
             kycProvider = SaltPayConfig.stub().kycProvider,
-            paymentologyService = PaymentologyApiService.stub(),
+            paymentologyService = PaymentologyApiService,
             gnosisRegistrator = GnosisRegistrator.stub(),
             cardId = "",
             cardPublicKey = byteArrayOf(),
diff --git a/app/src/main/java/com/tangem/tap/features/onboarding/products/wallet/saltPay/redux/OnboardingSaltPayMiddleware.kt b/app/src/main/java/com/tangem/tap/features/onboarding/products/wallet/saltPay/redux/OnboardingSaltPayMiddleware.kt
index ce3390eba1..81d7ad4138 100644
--- a/app/src/main/java/com/tangem/tap/features/onboarding/products/wallet/saltPay/redux/OnboardingSaltPayMiddleware.kt
+++ b/app/src/main/java/com/tangem/tap/features/onboarding/products/wallet/saltPay/redux/OnboardingSaltPayMiddleware.kt
@@ -6,11 +6,11 @@ import com.tangem.blockchain.extensions.successOr
 import com.tangem.common.Filter
 import com.tangem.common.extensions.guard
 import com.tangem.common.services.Result
+import com.tangem.core.analytics.Analytics
+import com.tangem.datasource.api.paymentology.models.response.KYCStatus
+import com.tangem.datasource.api.paymentology.models.response.RegistrationResponse
 import com.tangem.domain.common.extensions.successOr
 import com.tangem.domain.common.extensions.withMainContext
-import com.tangem.datasource.api.paymentology.KYCStatus
-import com.tangem.datasource.api.paymentology.RegistrationResponse
-import com.tangem.core.analytics.Analytics
 import com.tangem.tap.common.analytics.events.Onboarding
 import com.tangem.tap.common.extensions.dispatchDebugErrorNotification
 import com.tangem.tap.common.extensions.dispatchOnMain
@@ -412,34 +412,6 @@ private suspend fun checkGasIfNeeded(
     return result
 }
 
-@Throws(SaltPayActivationError::class)
-fun RegistrationResponse.Item.toSaltPayStep(currentStep: SaltPayActivationStep): SaltPayActivationStep {
-    return when {
-        passed != true -> throw SaltPayActivationError.CardNotPassed(this.error)
-        disabledByAdmin == true -> throw SaltPayActivationError.CardDisabled(this.error)
-
-        // go to claim screen
-        active == true -> SaltPayActivationStep.Claim
-
-        // pinSet is false, go toPin screen
-        pinSet == false -> SaltPayActivationStep.NeedPin
-
-        kycStatus != null -> {
-            when (kycStatus) {
-                KYCStatus.NOT_STARTED, KYCStatus.STARTED -> SaltPayActivationStep.KycIntro
-                KYCStatus.WAITING_FOR_APPROVAL -> SaltPayActivationStep.KycWaiting
-                KYCStatus.CORRECTION_REQUESTED, KYCStatus.REJECTED -> SaltPayActivationStep.KycReject
-                KYCStatus.APPROVED -> SaltPayActivationStep.Claim
-                null -> throw UnsupportedOperationException()
-            }
-        }
-        // kycDate is set, go to kyc waiting screen
-        kycDate != null -> SaltPayActivationStep.KycWaiting
-
-        else -> SaltPayActivationStep.KycIntro
-    }
-}
-
 @Throws(SaltPayActivationError::class)
 private fun assertPinValid(pin: String, pinLength: Int) {
     val array = pin.toCharArray()
diff --git a/core/datasource/src/main/java/com/tangem/datasource/api/paymentology/PaymentologyApi.kt b/core/datasource/src/main/java/com/tangem/datasource/api/paymentology/PaymentologyApi.kt
index de7c678d3b..d3d092493f 100644
--- a/core/datasource/src/main/java/com/tangem/datasource/api/paymentology/PaymentologyApi.kt
+++ b/core/datasource/src/main/java/com/tangem/datasource/api/paymentology/PaymentologyApi.kt
@@ -1,39 +1,38 @@
 package com.tangem.datasource.api.paymentology
 
+import com.tangem.datasource.api.paymentology.models.request.CheckRegistrationRequests
+import com.tangem.datasource.api.paymentology.models.request.RegisterKYCRequest
+import com.tangem.datasource.api.paymentology.models.request.RegisterWalletRequest
+import com.tangem.datasource.api.paymentology.models.response.AttestationResponse
+import com.tangem.datasource.api.paymentology.models.response.RegisterWalletResponse
+import com.tangem.datasource.api.paymentology.models.response.RegistrationResponse
 import retrofit2.http.Body
 import retrofit2.http.Headers
 import retrofit2.http.POST
 
 /**
+ * Interface of Paymentology Api.
+ *
+ * IMPORTANT: Cannot replace [Headers] annotations with OkHttpClient.addHeader(), because OkHttp adds encoding to
+ * content type value. But Paymentology API expects a value without the charset.
+ *
 [REDACTED_AUTHOR]
  */
 interface PaymentologyApi {
 
     @Headers("Content-Type: application/json")
     @POST("card/verify")
-    suspend fun checkRegistration(
-        @Body request: CheckRegistrationRequests,
-    ): RegistrationResponse
+    suspend fun checkRegistration(@Body request: CheckRegistrationRequests): RegistrationResponse
 
     @Headers("Content-Type: application/json")
     @POST("card/get_challenge")
-    suspend fun requestAttestationChallenge(
-        @Body request: CheckRegistrationRequests.Item,
-    ): AttestationResponse
+    suspend fun requestAttestationChallenge(@Body request: CheckRegistrationRequests.Item): AttestationResponse
 
     @Headers("Content-Type: application/json")
     @POST("card/set_pin")
-    suspend fun registerWallet(
-        @Body request: RegisterWalletRequest,
-    ): RegisterWalletResponse
+    suspend fun registerWallet(@Body request: RegisterWalletRequest): RegisterWalletResponse
 
     @Headers("Content-Type: application/json")
     @POST("card/kyc")
-    suspend fun registerKYC(
-        @Body request: RegisterKYCRequest,
-    ): RegisterWalletResponse
-
-    companion object {
-        val baseUrl: String = "https://paymentologygate.oa.r.appspot.com/"
-    }
+    suspend fun registerKYC(@Body request: RegisterKYCRequest): RegisterWalletResponse
 }
\ No newline at end of file
diff --git a/core/datasource/src/main/java/com/tangem/datasource/api/paymentology/PaymentologyApiService.kt b/core/datasource/src/main/java/com/tangem/datasource/api/paymentology/PaymentologyApiService.kt
index f46a17b36d..f5dad3a728 100644
--- a/core/datasource/src/main/java/com/tangem/datasource/api/paymentology/PaymentologyApiService.kt
+++ b/core/datasource/src/main/java/com/tangem/datasource/api/paymentology/PaymentologyApiService.kt
@@ -1,63 +1,30 @@
 package com.tangem.datasource.api.paymentology
 
-import com.tangem.common.extensions.toHexString
-import com.tangem.common.services.Result
-import com.tangem.common.services.performRequest
 import com.tangem.datasource.api.common.MoshiConverter
-import com.tangem.datasource.api.common.createRetrofitInstance
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.withContext
+import com.tangem.datasource.utils.allowLogging
+import okhttp3.OkHttpClient
+import retrofit2.Retrofit
 
 /**
 [REDACTED_AUTHOR]
  */
-class PaymentologyApiService(
-    private val logEnabled: Boolean,
-) {
-    private val api = createRetrofitInstance(
-        baseUrl = PaymentologyApi.baseUrl,
-        converterFactory = MoshiConverter.createFactory(MoshiConverter.sdkMoshi()),
-        logEnabled = logEnabled,
-    ).create(PaymentologyApi::class.java)
+//TODO("Remove after removing Redux")
+@Deprecated("Use PaymentologyApi")
+object PaymentologyApiService {
+    val api = createApi()
 
-    suspend fun checkRegistration(
-        cardId: String,
-        publicKey: ByteArray,
-    ): Result<RegistrationResponse> = withContext(Dispatchers.IO) {
-        val requestItem = CheckRegistrationRequests.Item(cardId, publicKey.toHexString())
-        val request = CheckRegistrationRequests(listOf(requestItem))
-        performRequest {
-            api.checkRegistration(request)
-        }
-    }
+    private const val PAYMENTOLOGY_BASE_URL: String = "https://paymentologygate.oa.r.appspot.com/"
 
-    suspend fun requestAttestationChallenge(
-        cardId: String,
-        publicKey: ByteArray,
-    ): Result<AttestationResponse> = withContext(Dispatchers.IO) {
-        val requestItem = CheckRegistrationRequests.Item(cardId, publicKey.toHexString())
-        performRequest {
-            api.requestAttestationChallenge(requestItem)
-        }
-    }
-
-    suspend fun registerWallet(
-        request: RegisterWalletRequest,
-    ): Result<RegisterWalletResponse> = withContext(Dispatchers.IO) {
-        performRequest {
-            api.registerWallet(request)
-        }
-    }
-
-    suspend fun registerKYC(
-        request: RegisterKYCRequest,
-    ): Result<RegisterWalletResponse> = withContext(Dispatchers.IO) {
-        performRequest {
-            api.registerKYC(request)
-        }
-    }
-
-    companion object {
-        fun stub(): PaymentologyApiService = PaymentologyApiService(false)
+    private fun createApi(): PaymentologyApi {
+        return Retrofit.Builder()
+            .addConverterFactory(MoshiConverter.createFactory(MoshiConverter.sdkMoshi()))
+            .baseUrl(PAYMENTOLOGY_BASE_URL)
+            .client(
+                OkHttpClient.Builder()
+                    .allowLogging()
+                    .build(),
+            )
+            .build()
+            .create(PaymentologyApi::class.java)
     }
 }
\ No newline at end of file
diff --git a/core/datasource/src/main/java/com/tangem/datasource/api/paymentology/Requests.kt b/core/datasource/src/main/java/com/tangem/datasource/api/paymentology/Requests.kt
deleted file mode 100644
index cb0206934e..0000000000
--- a/core/datasource/src/main/java/com/tangem/datasource/api/paymentology/Requests.kt
+++ /dev/null
@@ -1,91 +0,0 @@
-package com.tangem.datasource.api.paymentology
-
-import com.squareup.moshi.Json
-import com.squareup.moshi.JsonClass
-import com.tangem.common.extensions.calculateHashCode
-
-/**
-[REDACTED_AUTHOR]
- */
-data class CheckRegistrationRequests(
-    val requests: List<Item>,
-) {
-    @JsonClass(generateAdapter = true)
-    data class Item(
-        @Json(name = "CID")
-        val cardId: String = "",
-        val publicKey: String = "",
-    )
-}
-
-data class RegisterWalletRequest(
-    @Json(name = "CID")
-    val cardId: String,
-    val publicKey: ByteArray,
-    val walletPublicKey: ByteArray,
-    val walletSalt: ByteArray,
-    val walletSignature: ByteArray,
-    val cardSalt: ByteArray,
-    val cardSignature: ByteArray,
-    @Json(name = "PIN")
-    val pin: String,
-) {
-    override fun equals(other: Any?): Boolean {
-        if (this === other) return true
-        if (javaClass != other?.javaClass) return false
-
-        other as RegisterWalletRequest
-
-        if (cardId != other.cardId) return false
-        if (!publicKey.contentEquals(other.publicKey)) return false
-        if (!walletPublicKey.contentEquals(other.walletPublicKey)) return false
-        if (!walletSalt.contentEquals(other.walletSalt)) return false
-        if (!walletSignature.contentEquals(other.walletSignature)) return false
-        if (!cardSalt.contentEquals(other.cardSalt)) return false
-        if (!cardSignature.contentEquals(other.cardSignature)) return false
-        if (pin != other.pin) return false
-
-        return true
-    }
-
-    override fun hashCode(): Int = calculateHashCode(
-        cardId.hashCode(),
-        publicKey.contentHashCode(),
-        walletPublicKey.contentHashCode(),
-        walletSalt.contentHashCode(),
-        walletSignature.contentHashCode(),
-        cardSalt.contentHashCode(),
-        cardSignature.contentHashCode(),
-        pin.hashCode(),
-    )
-}
-
-data class RegisterKYCRequest(
-    @Json(name = "CID")
-    val cardId: String,
-    val publicKey: ByteArray,
-    val kycProvider: String,
-    val kycRefId: String,
-) {
-
-    override fun equals(other: Any?): Boolean {
-        if (this === other) return true
-        if (javaClass != other?.javaClass) return false
-
-        other as RegisterKYCRequest
-
-        if (cardId != other.cardId) return false
-        if (!publicKey.contentEquals(other.publicKey)) return false
-        if (kycProvider != other.kycProvider) return false
-        if (kycRefId != other.kycRefId) return false
-
-        return true
-    }
-
-    override fun hashCode(): Int = calculateHashCode(
-        cardId.hashCode(),
-        publicKey.contentHashCode(),
-        kycProvider.hashCode(),
-        kycRefId.hashCode(),
-    )
-}
\ No newline at end of file
diff --git a/core/datasource/src/main/java/com/tangem/datasource/api/paymentology/Responses.kt b/core/datasource/src/main/java/com/tangem/datasource/api/paymentology/Responses.kt
deleted file mode 100644
index d62630b73e..0000000000
--- a/core/datasource/src/main/java/com/tangem/datasource/api/paymentology/Responses.kt
+++ /dev/null
@@ -1,97 +0,0 @@
-package com.tangem.datasource.api.paymentology
-
-import com.squareup.moshi.Json
-import com.tangem.common.extensions.calculateHashCode
-import com.tangem.common.services.Result
-
-/**
-[REDACTED_AUTHOR]
- */
-interface ResponseError {
-    val success: Boolean
-    val error: String?
-    val errorCode: Int?
-
-    fun makeErrorMessage(): String {
-        return error ?: "unknown error"
-    }
-}
-
-inline fun <reified T> ResponseError.tryExtractError(): Result<T> = when (success) {
-    true -> Result.Success(this as T)
-    else -> Result.Failure(Throwable(makeErrorMessage()))
-}
-
-data class RegistrationResponse(
-    val results: List<Item> = listOf(),
-    override val success: Boolean,
-    override val error: String?,
-    override val errorCode: Int?,
-) : ResponseError {
-
-    data class Item(
-        @Json(name = "CID")
-        val cardId: String,
-        val passed: Boolean?,
-        val active: Boolean?,
-        @Json(name = "pin_set")
-        val pinSet: Boolean?,
-        @Json(name = "blockchain_init")
-        val blockchainInit: Boolean?,
-        @Json(name = "kyc_passed")
-        val kycPassed: Boolean?,
-        @Json(name = "kyc_provider")
-        val kycProvider: String?,
-        @Json(name = "kyc_date")
-        val kycDate: String?,
-        @Json(name = "kyc_status")
-        val kycStatus: KYCStatus?,
-        @Json(name = "disabled_by_admin")
-        val disabledByAdmin: Boolean?,
-        val error: String?,
-    )
-}
-
-enum class KYCStatus {
-    NOT_STARTED,
-    STARTED,
-    WAITING_FOR_APPROVAL,
-    CORRECTION_REQUESTED,
-    REJECTED,
-    APPROVED,
-}
-
-data class AttestationResponse(
-    val challenge: ByteArray?,
-    override val success: Boolean,
-    override val error: String?,
-    override val errorCode: Int?,
-) : ResponseError {
-
-    override fun equals(other: Any?): Boolean {
-        if (this === other) return true
-        if (javaClass != other?.javaClass) return false
-
-        other as AttestationResponse
-
-        if (!challenge.contentEquals(other.challenge)) return false
-        if (success != other.success) return false
-        if (error != other.error) return false
-        if (errorCode != other.errorCode) return false
-
-        return true
-    }
-
-    override fun hashCode(): Int = calculateHashCode(
-        challenge.contentHashCode(),
-        success.hashCode(),
-        error.hashCode(),
-        errorCode.hashCode(),
-    )
-}
-
-data class RegisterWalletResponse(
-    override val success: Boolean,
-    override val error: String?,
-    override val errorCode: Int?,
-) : ResponseError
\ No newline at end of file
diff --git a/core/datasource/src/main/java/com/tangem/datasource/api/paymentology/models/request/CheckRegistrationRequests.kt b/core/datasource/src/main/java/com/tangem/datasource/api/paymentology/models/request/CheckRegistrationRequests.kt
new file mode 100644
index 0000000000..e9c4152928
--- /dev/null
+++ b/core/datasource/src/main/java/com/tangem/datasource/api/paymentology/models/request/CheckRegistrationRequests.kt
@@ -0,0 +1,15 @@
+package com.tangem.datasource.api.paymentology.models.request
+
+import com.squareup.moshi.Json
+import com.squareup.moshi.JsonClass
+
+data class CheckRegistrationRequests(
+    @Json(name = "requests") val requests: List<Item>,
+) {
+
+    @JsonClass(generateAdapter = true)
+    data class Item(
+        @Json(name = "CID") val cardId: String = "",
+        @Json(name = "publicKey") val publicKey: String = "",
+    )
+}
\ No newline at end of file
diff --git a/core/datasource/src/main/java/com/tangem/datasource/api/paymentology/models/request/RegisterKYCRequest.kt b/core/datasource/src/main/java/com/tangem/datasource/api/paymentology/models/request/RegisterKYCRequest.kt
new file mode 100644
index 0000000000..d22c3e74d3
--- /dev/null
+++ b/core/datasource/src/main/java/com/tangem/datasource/api/paymentology/models/request/RegisterKYCRequest.kt
@@ -0,0 +1,33 @@
+package com.tangem.datasource.api.paymentology.models.request
+
+import com.squareup.moshi.Json
+import com.tangem.common.extensions.calculateHashCode
+
+data class RegisterKYCRequest(
+    @Json(name = "CID") val cardId: String,
+    @Json(name = "publicKey") val publicKey: ByteArray,
+    @Json(name = "kycProvider") val kycProvider: String,
+    @Json(name = "kycRefId") val kycRefId: String,
+) {
+
+    override fun equals(other: Any?): Boolean {
+        if (this === other) return true
+        if (javaClass != other?.javaClass) return false
+
+        other as RegisterKYCRequest
+
+        if (cardId != other.cardId) return false
+        if (!publicKey.contentEquals(other.publicKey)) return false
+        if (kycProvider != other.kycProvider) return false
+        if (kycRefId != other.kycRefId) return false
+
+        return true
+    }
+
+    override fun hashCode(): Int = calculateHashCode(
+        cardId.hashCode(),
+        publicKey.contentHashCode(),
+        kycProvider.hashCode(),
+        kycRefId.hashCode(),
+    )
+}
\ No newline at end of file
diff --git a/core/datasource/src/main/java/com/tangem/datasource/api/paymentology/models/request/RegisterWalletRequest.kt b/core/datasource/src/main/java/com/tangem/datasource/api/paymentology/models/request/RegisterWalletRequest.kt
new file mode 100644
index 0000000000..ad784d9c04
--- /dev/null
+++ b/core/datasource/src/main/java/com/tangem/datasource/api/paymentology/models/request/RegisterWalletRequest.kt
@@ -0,0 +1,44 @@
+package com.tangem.datasource.api.paymentology.models.request
+
+import com.squareup.moshi.Json
+import com.tangem.common.extensions.calculateHashCode
+
+data class RegisterWalletRequest(
+    @Json(name = "CID") val cardId: String,
+    @Json(name = "publicKey") val publicKey: ByteArray,
+    @Json(name = "walletPublicKey") val walletPublicKey: ByteArray,
+    @Json(name = "walletSalt") val walletSalt: ByteArray,
+    @Json(name = "walletSignature") val walletSignature: ByteArray,
+    @Json(name = "cardSalt") val cardSalt: ByteArray,
+    @Json(name = "cardSignature") val cardSignature: ByteArray,
+    @Json(name = "PIN") val pin: String,
+) {
+    override fun equals(other: Any?): Boolean {
+        if (this === other) return true
+        if (javaClass != other?.javaClass) return false
+
+        other as RegisterWalletRequest
+
+        if (cardId != other.cardId) return false
+        if (!publicKey.contentEquals(other.publicKey)) return false
+        if (!walletPublicKey.contentEquals(other.walletPublicKey)) return false
+        if (!walletSalt.contentEquals(other.walletSalt)) return false
+        if (!walletSignature.contentEquals(other.walletSignature)) return false
+        if (!cardSalt.contentEquals(other.cardSalt)) return false
+        if (!cardSignature.contentEquals(other.cardSignature)) return false
+        if (pin != other.pin) return false
+
+        return true
+    }
+
+    override fun hashCode(): Int = calculateHashCode(
+        cardId.hashCode(),
+        publicKey.contentHashCode(),
+        walletPublicKey.contentHashCode(),
+        walletSalt.contentHashCode(),
+        walletSignature.contentHashCode(),
+        cardSalt.contentHashCode(),
+        cardSignature.contentHashCode(),
+        pin.hashCode(),
+    )
+}
\ No newline at end of file
diff --git a/core/datasource/src/main/java/com/tangem/datasource/api/paymentology/models/response/AttestationResponse.kt b/core/datasource/src/main/java/com/tangem/datasource/api/paymentology/models/response/AttestationResponse.kt
new file mode 100644
index 0000000000..170e1caf92
--- /dev/null
+++ b/core/datasource/src/main/java/com/tangem/datasource/api/paymentology/models/response/AttestationResponse.kt
@@ -0,0 +1,33 @@
+package com.tangem.datasource.api.paymentology.models.response
+
+import com.squareup.moshi.Json
+import com.tangem.common.extensions.calculateHashCode
+
+data class AttestationResponse(
+    @Json(name = "challenge") val challenge: ByteArray?,
+    @Json(name = "success") override val success: Boolean,
+    @Json(name = "error") override val error: String?,
+    @Json(name = "errorCode") override val errorCode: Int?,
+) : ResponseError {
+
+    override fun equals(other: Any?): Boolean {
+        if (this === other) return true
+        if (javaClass != other?.javaClass) return false
+
+        other as AttestationResponse
+
+        if (!challenge.contentEquals(other.challenge)) return false
+        if (success != other.success) return false
+        if (error != other.error) return false
+        if (errorCode != other.errorCode) return false
+
+        return true
+    }
+
+    override fun hashCode(): Int = calculateHashCode(
+        challenge.contentHashCode(),
+        success.hashCode(),
+        error.hashCode(),
+        errorCode.hashCode(),
+    )
+}
\ No newline at end of file
diff --git a/core/datasource/src/main/java/com/tangem/datasource/api/paymentology/models/response/KYCStatus.kt b/core/datasource/src/main/java/com/tangem/datasource/api/paymentology/models/response/KYCStatus.kt
new file mode 100644
index 0000000000..4ce64674d0
--- /dev/null
+++ b/core/datasource/src/main/java/com/tangem/datasource/api/paymentology/models/response/KYCStatus.kt
@@ -0,0 +1,10 @@
+package com.tangem.datasource.api.paymentology.models.response
+
+enum class KYCStatus {
+    NOT_STARTED,
+    STARTED,
+    WAITING_FOR_APPROVAL,
+    CORRECTION_REQUESTED,
+    REJECTED,
+    APPROVED,
+}
\ No newline at end of file
diff --git a/core/datasource/src/main/java/com/tangem/datasource/api/paymentology/models/response/RegisterWalletResponse.kt b/core/datasource/src/main/java/com/tangem/datasource/api/paymentology/models/response/RegisterWalletResponse.kt
new file mode 100644
index 0000000000..d2a1edac8d
--- /dev/null
+++ b/core/datasource/src/main/java/com/tangem/datasource/api/paymentology/models/response/RegisterWalletResponse.kt
@@ -0,0 +1,9 @@
+package com.tangem.datasource.api.paymentology.models.response
+
+import com.squareup.moshi.Json
+
+data class RegisterWalletResponse(
+    @Json(name = "success") override val success: Boolean,
+    @Json(name = "error") override val error: String?,
+    @Json(name = "errorCode") override val errorCode: Int?,
+) : ResponseError
\ No newline at end of file
diff --git a/core/datasource/src/main/java/com/tangem/datasource/api/paymentology/models/response/RegistrationResponse.kt b/core/datasource/src/main/java/com/tangem/datasource/api/paymentology/models/response/RegistrationResponse.kt
new file mode 100644
index 0000000000..83c0a03822
--- /dev/null
+++ b/core/datasource/src/main/java/com/tangem/datasource/api/paymentology/models/response/RegistrationResponse.kt
@@ -0,0 +1,25 @@
+package com.tangem.datasource.api.paymentology.models.response
+
+import com.squareup.moshi.Json
+
+data class RegistrationResponse(
+    @Json(name = "results") val results: List<Item> = listOf(),
+    @Json(name = "success") override val success: Boolean,
+    @Json(name = "error") override val error: String?,
+    @Json(name = "errorCode") override val errorCode: Int?,
+) : ResponseError {
+
+    data class Item(
+        @Json(name = "CID") val cardId: String,
+        @Json(name = "passed") val passed: Boolean?,
+        @Json(name = "active") val active: Boolean?,
+        @Json(name = "pin_set") val pinSet: Boolean?,
+        @Json(name = "blockchain_init") val blockchainInit: Boolean?,
+        @Json(name = "kyc_passed") val kycPassed: Boolean?,
+        @Json(name = "kyc_provider") val kycProvider: String?,
+        @Json(name = "kyc_date") val kycDate: String?,
+        @Json(name = "kyc_status") val kycStatus: KYCStatus?,
+        @Json(name = "disabled_by_admin") val disabledByAdmin: Boolean?,
+        @Json(name = "error") val error: String?,
+    )
+}
\ No newline at end of file
diff --git a/core/datasource/src/main/java/com/tangem/datasource/api/paymentology/models/response/ResponseError.kt b/core/datasource/src/main/java/com/tangem/datasource/api/paymentology/models/response/ResponseError.kt
new file mode 100644
index 0000000000..3bead696c9
--- /dev/null
+++ b/core/datasource/src/main/java/com/tangem/datasource/api/paymentology/models/response/ResponseError.kt
@@ -0,0 +1,16 @@
+package com.tangem.datasource.api.paymentology.models.response
+
+import com.tangem.common.services.Result
+
+interface ResponseError {
+    val success: Boolean
+    val error: String?
+    val errorCode: Int?
+
+    fun makeErrorMessage(): String = error ?: "unknown error"
+}
+
+inline fun <reified T> ResponseError.tryExtractError(): Result<T> = when (success) {
+    true -> Result.Success(this as T)
+    else -> Result.Failure(Throwable(makeErrorMessage()))
+}
\ No newline at end of file
diff --git a/core/datasource/src/main/java/com/tangem/datasource/di/NetworkModule.kt b/core/datasource/src/main/java/com/tangem/datasource/di/NetworkModule.kt
index 42434bf7d4..f339b5636b 100644
--- a/core/datasource/src/main/java/com/tangem/datasource/di/NetworkModule.kt
+++ b/core/datasource/src/main/java/com/tangem/datasource/di/NetworkModule.kt
@@ -53,5 +53,7 @@ class NetworkModule {
     private companion object {
         const val PROD_TANGEM_TECH_BASE_URL = "https://api.tangem-tech.com/v1/"
         const val DEV_TANGEM_TECH_BASE_URL = "https://devapi.tangem-tech.com/v1/"
+
+        private const val PAYMENTOLOGY_BASE_URL: String = "https://paymentologygate.oa.r.appspot.com/"
     }
 }
\ No newline at end of file
diff --git a/domain/src/main/java/com/tangem/domain/redux/global/DomainGlobalState.kt b/domain/src/main/java/com/tangem/domain/redux/global/DomainGlobalState.kt
index 8a3bd3f4ed..c71c7da659 100644
--- a/domain/src/main/java/com/tangem/domain/redux/global/DomainGlobalState.kt
+++ b/domain/src/main/java/com/tangem/domain/redux/global/DomainGlobalState.kt
@@ -3,7 +3,6 @@ package com.tangem.domain.redux.global
 import com.tangem.datasource.api.paymentology.PaymentologyApiService
 import com.tangem.datasource.api.tangemTech.TangemTechService
 import com.tangem.domain.DomainDialog
-import com.tangem.domain.common.LogConfig
 import com.tangem.domain.common.ScanResponse
 
 /**
@@ -20,7 +19,5 @@ data class DomainGlobalState(
 
 data class NetworkServices(
     val tangemTechService: TangemTechService = TangemTechService,
-    val paymentologyService: PaymentologyApiService = PaymentologyApiService(
-        LogConfig.network.paymentologyApiService,
-    ),
+    val paymentologyService: PaymentologyApiService = PaymentologyApiService,
 )