diff --git a/build.gradle.kts b/build.gradle.kts
index b41c6c31..79d7d3e1 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -11,6 +11,7 @@ plugins {
     alias(libs.plugins.android.application) apply false
     alias(libs.plugins.kotlin.android) apply false
     alias(libs.plugins.kotlin.jvm) apply false
+    alias(libs.plugins.kotlin.serialization) apply false
     alias(libs.plugins.hilt) apply false
     alias(libs.plugins.verify.detekt) apply false
 }
diff --git a/core/data/build.gradle.kts b/core/data/build.gradle.kts
index f0d09905..db62ecb6 100644
--- a/core/data/build.gradle.kts
+++ b/core/data/build.gradle.kts
@@ -1,4 +1,16 @@
 plugins {
-    id("droidknights.kotlin.library")
-    id("droidknights.kotlin.hilt")
+    id("droidknights.android.library")
+    id("droidknights.android.hilt")
+    id("kotlinx-serialization")
+}
+
+android {
+    namespace = "com.droidknights.app2023.core.data"
+}
+
+dependencies {
+    implementation(libs.retrofit.core)
+    implementation(libs.retrofit.kotlin.serialization)
+    implementation(libs.okhttp.logging)
+    implementation(libs.kotlinx.serialization.json)
 }
diff --git a/core/data/src/main/AndroidManifest.xml b/core/data/src/main/AndroidManifest.xml
new file mode 100644
index 00000000..568741e5
--- /dev/null
+++ b/core/data/src/main/AndroidManifest.xml
@@ -0,0 +1,2 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest />
\ No newline at end of file
diff --git a/core/data/src/main/java/com/droidknights/app2023/core/data/di/ApiModule.kt b/core/data/src/main/java/com/droidknights/app2023/core/data/di/ApiModule.kt
new file mode 100644
index 00000000..6723cc78
--- /dev/null
+++ b/core/data/src/main/java/com/droidknights/app2023/core/data/di/ApiModule.kt
@@ -0,0 +1,40 @@
+package com.droidknights.app2023.core.data.di
+
+import com.jakewharton.retrofit2.converter.kotlinx.serialization.asConverterFactory
+import dagger.Module
+import dagger.Provides
+import dagger.hilt.InstallIn
+import dagger.hilt.components.SingletonComponent
+import kotlinx.serialization.json.Json
+import okhttp3.MediaType.Companion.toMediaType
+import okhttp3.OkHttpClient
+import retrofit2.Retrofit
+import javax.inject.Singleton
+
+@Module
+@InstallIn(SingletonComponent::class)
+internal object ApiModule {
+    private const val BASE_URL = "https://raw.githubusercontent.com/"
+    
+    
+    @Provides
+    @Singleton
+    fun provideOkhttpClient(): OkHttpClient = OkHttpClient.Builder().build()
+    
+    @Provides
+    @Singleton
+    fun provideRetrofit(
+        okHttpClient: OkHttpClient,
+        json: Json,
+    ): Retrofit = Retrofit.Builder()
+        .baseUrl(BASE_URL)
+        .addConverterFactory(json.asConverterFactory("application/json".toMediaType()))
+        .client(okHttpClient)
+        .build()
+    
+    @Provides
+    @Singleton
+    fun provideJson(): Json = Json {
+        ignoreUnknownKeys = true
+    }
+}
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 7946e2f8..cdfa3f8f 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -9,8 +9,14 @@ androidxComposeMaterial3 = "1.1.0"
 androidxActivity = "1.7.2"
 hilt = "2.46.1"
 
+okhttp = "4.11.0"
+retrofit = "2.9.0"
+retrofitKotlinxSerializationJson = "1.0.0"
+kotlinxSerializationJson = "1.5.1"
+
 junit4 = "4.13.2"
 kotlin = "1.8.21"
+
 androidxTestExt = "1.1.4"
 androidxEspresso = "3.5.0"
 kotest = "5.6.2"
@@ -42,6 +48,11 @@ hilt-android = { group = "com.google.dagger", name = "hilt-android", version.ref
 hilt-android-testing = { group = "com.google.dagger", name = "hilt-android-testing", version.ref = "hilt" }
 hilt-android-compiler = { group = "com.google.dagger", name = "hilt-android-compiler", version.ref = "hilt" }
 
+okhttp-logging = { group = "com.squareup.okhttp3", name = "logging-interceptor", version.ref = "okhttp" }
+retrofit-core = { group = "com.squareup.retrofit2", name = "retrofit", version.ref = "retrofit" }
+retrofit-kotlin-serialization = { group = "com.jakewharton.retrofit", name = "retrofit2-kotlinx-serialization-converter", version.ref = "retrofitKotlinxSerializationJson" }
+kotlinx-serialization-json = { group = "org.jetbrains.kotlinx", name = "kotlinx-serialization-json", version.ref = "kotlinxSerializationJson" }
+
 junit4 = { group = "junit", name = "junit", version.ref = "junit4" }
 androidx-test-ext = { group = "androidx.test.ext", name = "junit-ktx", version.ref = "androidxTestExt" }
 androidx-test-espresso-core = { group = "androidx.test.espresso", name = "espresso-core", version.ref = "androidxEspresso" }
@@ -62,5 +73,6 @@ android-application = { id = "com.android.application", version.ref = "androidGr
 android-library = { id = "com.android.library", version.ref = "androidGradlePlugin" }
 kotlin-android = { id = "org.jetbrains.kotlin.android", version.ref = "kotlin" }
 kotlin-jvm = { id = "org.jetbrains.kotlin.jvm", version.ref = "kotlin" }
+kotlin-serialization = { id = "org.jetbrains.kotlin.plugin.serialization", version.ref = "kotlin" }
 hilt = { id = "com.google.dagger.hilt.android", version.ref = "hilt" }
 verify-detekt = { id = "io.gitlab.arturbosch.detekt", version.ref = "detekt" }