diff --git a/features/swap/data/build.gradle.kts b/features/swap/data/build.gradle.kts
index f91ab4c7c0..67d016525d 100644
--- a/features/swap/data/build.gradle.kts
+++ b/features/swap/data/build.gradle.kts
@@ -15,6 +15,8 @@ dependencies {
 
     /** Network */
     implementation(deps.retrofit)
+    implementation(deps.moshi)
+    implementation(deps.moshi.kotlin)
 
     /** Domain */
     implementation(projects.domain.tokens.models)
diff --git a/features/swap/data/src/main/java/com/tangem/feature/swap/ExpressApi.kt b/features/swap/data/src/main/java/com/tangem/feature/swap/ExpressApi.kt
new file mode 100644
index 0000000000..7fff572429
--- /dev/null
+++ b/features/swap/data/src/main/java/com/tangem/feature/swap/ExpressApi.kt
@@ -0,0 +1,64 @@
+package com.tangem.feature.swap
+
+import com.tangem.datasource.api.common.response.ApiResponse
+import com.tangem.feature.swap.models.request.AssetsRequestBody
+import com.tangem.feature.swap.models.request.PairsRequestBody
+import com.tangem.feature.swap.models.response.*
+import retrofit2.http.Body
+import retrofit2.http.GET
+import retrofit2.http.Header
+import retrofit2.http.POST
+import retrofit2.http.Query
+import java.math.BigDecimal
+
+/**
+ * Interface of Tangem Express API (new swap mechanism)
+ */
+internal interface ExpressApi {
+
+    // TODO move first three params to retrofit interceptor
+    @POST("assets")
+    suspend fun getAssets(
+        @Header("api-key") apiKey: String,
+        @Header("user-id") userId: String,
+        @Header("session-id") sessionId: String,
+        @Body body: AssetsRequestBody,
+    ): ApiResponse<List<Asset>>
+
+    @POST("pairs")
+    suspend fun getPairs(
+        @Body body: PairsRequestBody,
+    ): ApiResponse<List<SwapPair>>
+
+    @GET("providers")
+    suspend fun getProviders(): ApiResponse<List<ExchangeProvider>>
+
+    @GET("exchange-quote")
+    suspend fun getExchangeQuote(
+        @Query("fromContractAddress") fromContractAddress: String,
+        @Query("fromNetwork") fromNetwork: String,
+        @Query("toContractAddress") toContractAddress: String,
+        @Query("toNetwork") toNetwork: String,
+        @Query("fromAmount") fromAmount: BigDecimal,
+        @Query("providerId") providerId: Int,
+        @Query("rateType") rateType: RateType,
+    ): ApiResponse<ExchangeQuoteResponse>
+
+    @GET("exchange-data")
+    suspend fun getExchangeData(
+        @Query("fromContractAddress") fromContractAddress: String,
+        @Query("fromNetwork") fromNetwork: String,
+        @Query("toContractAddress") toContractAddress: String,
+        @Query("toNetwork") toNetwork: String,
+        @Query("fromAmount") fromAmount: BigDecimal,
+        @Query("providerId") providerId: Int,
+        @Query("rateType") rateType: RateType,
+        @Query("toAddress") toAddress: String,
+    ): ApiResponse<ExchangeDataResponse>
+
+    @GET("exchange-results")
+    suspend fun getExchangeResults(
+        @Query("txId") txId: String,
+    ): ApiResponse<ExchangeResultsResponse>
+
+}
\ No newline at end of file
diff --git a/features/swap/data/src/main/java/com/tangem/feature/swap/models/request/AssetsRequestBody.kt b/features/swap/data/src/main/java/com/tangem/feature/swap/models/request/AssetsRequestBody.kt
new file mode 100644
index 0000000000..9592830c3c
--- /dev/null
+++ b/features/swap/data/src/main/java/com/tangem/feature/swap/models/request/AssetsRequestBody.kt
@@ -0,0 +1,7 @@
+package com.tangem.feature.swap.models.request
+
+import com.squareup.moshi.Json
+
+internal data class AssetsRequestBody(
+    @Json(name = "filter") val filter: List<LeastTokenInfo>?,
+)
diff --git a/features/swap/data/src/main/java/com/tangem/feature/swap/models/request/LeastTokenInfo.kt b/features/swap/data/src/main/java/com/tangem/feature/swap/models/request/LeastTokenInfo.kt
new file mode 100644
index 0000000000..7c6776fc82
--- /dev/null
+++ b/features/swap/data/src/main/java/com/tangem/feature/swap/models/request/LeastTokenInfo.kt
@@ -0,0 +1,11 @@
+package com.tangem.feature.swap.models.request
+
+import com.squareup.moshi.Json
+
+internal data class LeastTokenInfo(
+    @Json(name = "contractAddress")
+    val contractAddress: String,
+
+    @Json(name = "network")
+    val network: String,
+)
\ No newline at end of file
diff --git a/features/swap/data/src/main/java/com/tangem/feature/swap/models/request/PairsRequestBody.kt b/features/swap/data/src/main/java/com/tangem/feature/swap/models/request/PairsRequestBody.kt
new file mode 100644
index 0000000000..98ca56b52f
--- /dev/null
+++ b/features/swap/data/src/main/java/com/tangem/feature/swap/models/request/PairsRequestBody.kt
@@ -0,0 +1,11 @@
+package com.tangem.feature.swap.models.request
+
+import com.squareup.moshi.Json
+
+internal data class PairsRequestBody(
+    @Json(name = "from")
+    val from: List<LeastTokenInfo>,
+
+    @Json(name = "to")
+    val to: List<LeastTokenInfo>,
+)
diff --git a/features/swap/data/src/main/java/com/tangem/feature/swap/models/response/Asset.kt b/features/swap/data/src/main/java/com/tangem/feature/swap/models/response/Asset.kt
new file mode 100644
index 0000000000..8d32b5d500
--- /dev/null
+++ b/features/swap/data/src/main/java/com/tangem/feature/swap/models/response/Asset.kt
@@ -0,0 +1,29 @@
+package com.tangem.feature.swap.models.response
+
+import com.squareup.moshi.Json
+
+data class Asset(
+    @Json(name = "contractAddress")
+    val contractAddress: String,
+
+    @Json(name = "network")
+    val network: String,
+
+    @Json(name = "token")
+    val token: String,
+
+    @Json(name = "name")
+    val name: String,
+
+    @Json(name = "symbol")
+    val symbol: String,
+
+    @Json(name = "decimals")
+    val decimals: Int,
+
+    @Json(name = "isActive")
+    val isActive: Boolean,
+
+    @Json(name = "exchangeAvailable")
+    val exchangeAvailable: Boolean
+)
\ No newline at end of file
diff --git a/features/swap/data/src/main/java/com/tangem/feature/swap/models/response/ExchangeDataResponse.kt b/features/swap/data/src/main/java/com/tangem/feature/swap/models/response/ExchangeDataResponse.kt
new file mode 100644
index 0000000000..96ccbd9b14
--- /dev/null
+++ b/features/swap/data/src/main/java/com/tangem/feature/swap/models/response/ExchangeDataResponse.kt
@@ -0,0 +1,41 @@
+package com.tangem.feature.swap.models.response
+
+import com.squareup.moshi.Json
+import java.math.BigDecimal
+
+data class ExchangeDataResponse(
+    @Json(name = "toAmount")
+    val toAmount: BigDecimal,
+
+    @Json(name = "txType")
+    val txType: TxType,
+
+    @Json(name = "txId")
+    val txId: String, // inner tangem-express transaction id
+
+    @Json(name = "txFrom")
+    val txFrom: String?, // account for debiting tokens (same as toAddress) if DEX, null if CEX
+
+    @Json(name = "txTo")
+    val txTo: String, // swap smart-contract address if DEX, address for sending transaction if CEX
+
+    @Json(name = "txData")
+    val txData: String?, // transaction data if DEX, null if CEX
+
+    @Json(name = "txValue")
+    val txValue: BigDecimal, // amount (same as fromAmount)
+
+    @Json(name = "externalTxId")
+    val externalTxId: String?, // null if DEX, provider transaction id if CEX
+
+    @Json(name = "externalTxUrl")
+    val externalTxUrl: String?, // null if DEX, url of provider exchange status page if CEX
+)
+
+enum class TxType {
+    @Json(name = "send")
+    SEND,
+
+    @Json(name = "swap")
+    SWAP,
+}
\ No newline at end of file
diff --git a/features/swap/data/src/main/java/com/tangem/feature/swap/models/response/ExchangeProvider.kt b/features/swap/data/src/main/java/com/tangem/feature/swap/models/response/ExchangeProvider.kt
new file mode 100644
index 0000000000..432d4cff79
--- /dev/null
+++ b/features/swap/data/src/main/java/com/tangem/feature/swap/models/response/ExchangeProvider.kt
@@ -0,0 +1,28 @@
+package com.tangem.feature.swap.models.response
+
+import com.squareup.moshi.Json
+
+data class ExchangeProvider(
+    @Json(name = "id")
+    val id: Int,
+
+    @Json(name = "name")
+    val name: String,
+
+    @Json(name = "id")
+    val type: ExchangeProviderType,
+
+    @Json(name = "imageLarge")
+    val imageLargeUrl: Int,
+
+    @Json(name = "imageSmall")
+    val imageSmallUrl: Int,
+)
+
+enum class ExchangeProviderType {
+    @Json(name = "dex")
+    DEX,
+
+    @Json(name = "cex")
+    CEX,
+}
\ No newline at end of file
diff --git a/features/swap/data/src/main/java/com/tangem/feature/swap/models/response/ExchangeQuoteResponse.kt b/features/swap/data/src/main/java/com/tangem/feature/swap/models/response/ExchangeQuoteResponse.kt
new file mode 100644
index 0000000000..686c0e51f6
--- /dev/null
+++ b/features/swap/data/src/main/java/com/tangem/feature/swap/models/response/ExchangeQuoteResponse.kt
@@ -0,0 +1,12 @@
+package com.tangem.feature.swap.models.response
+
+import com.squareup.moshi.Json
+import java.math.BigDecimal
+
+data class ExchangeQuoteResponse(
+    @Json(name = "toAmount")
+    val toAmount: BigDecimal,
+
+    @Json(name = "allowanceContract")
+    val allowanceContract: String?,
+)
\ No newline at end of file
diff --git a/features/swap/data/src/main/java/com/tangem/feature/swap/models/response/ExchangeResultsResponse.kt b/features/swap/data/src/main/java/com/tangem/feature/swap/models/response/ExchangeResultsResponse.kt
new file mode 100644
index 0000000000..6b4db40e4a
--- /dev/null
+++ b/features/swap/data/src/main/java/com/tangem/feature/swap/models/response/ExchangeResultsResponse.kt
@@ -0,0 +1,42 @@
+package com.tangem.feature.swap.models.response
+
+import com.squareup.moshi.Json
+
+data class ExchangeResultsResponse(
+    @Json(name = "status")
+    val status: ExchangeResultsStatus,
+
+    @Json(name = "externalStatus")
+    val externalStatus: String,
+
+    @Json(name = "externalTxUrl")
+    val externalTxUrl: String,
+
+    @Json(name = "error")
+    val error: ExchangeResultsError?,
+)
+
+enum class ExchangeResultsStatus {
+    @Json(name = "processing")
+    PROCESSING,
+
+    @Json(name = "done")
+    DONE,
+
+    @Json(name = "failed")
+    FAILED,
+
+    @Json(name = "refunded")
+    REFUNDED,
+
+    @Json(name = "verificationRequired")
+    VERIFICATION_REQUIRED,
+}
+
+data class ExchangeResultsError(
+    @Json(name = "code")
+    val code: Int,
+
+    @Json(name = "description")
+    val description: String,
+)
\ No newline at end of file
diff --git a/features/swap/data/src/main/java/com/tangem/feature/swap/models/response/SwapPair.kt b/features/swap/data/src/main/java/com/tangem/feature/swap/models/response/SwapPair.kt
new file mode 100644
index 0000000000..4ab2642970
--- /dev/null
+++ b/features/swap/data/src/main/java/com/tangem/feature/swap/models/response/SwapPair.kt
@@ -0,0 +1,31 @@
+package com.tangem.feature.swap.models.response
+
+import com.squareup.moshi.Json
+
+data class SwapPair(
+    @Json(name = "from")
+    val from: String,
+
+    @Json(name = "to")
+    val to: String,
+
+    @Json(name = "providers")
+    val providers: List<SwapPairProvider>,
+
+)
+
+data class SwapPairProvider(
+    @Json(name = "providerId")
+    val providerId: Int,
+
+    @Json(name = "providerId")
+    val rateType: RateType,
+)
+
+enum class RateType {
+    @Json(name = "float")
+    FLOAT,
+
+    @Json(name = "fixed")
+    FIXED,
+}
\ No newline at end of file