diff --git a/src/main/kotlin/team/darkmoderap/aikon/domain/exchange/controller/ExchangeController.kt b/src/main/kotlin/team/darkmoderap/aikon/domain/exchange/controller/ExchangeController.kt
new file mode 100644
index 0000000..bc940d3
--- /dev/null
+++ b/src/main/kotlin/team/darkmoderap/aikon/domain/exchange/controller/ExchangeController.kt
@@ -0,0 +1,29 @@
+package team.darkmoderap.aikon.domain.exchange.controller
+
+import org.springframework.http.HttpStatus
+import org.springframework.http.MediaType
+import org.springframework.web.bind.annotation.GetMapping
+import org.springframework.web.bind.annotation.PostMapping
+import org.springframework.web.bind.annotation.RequestMapping
+import org.springframework.web.bind.annotation.RequestPart
+import org.springframework.web.bind.annotation.ResponseStatus
+import org.springframework.web.bind.annotation.RestController
+import org.springframework.web.multipart.MultipartFile
+import team.darkmoderap.aikon.domain.exchange.service.ExchangeFileService
+
+@RestController
+@RequestMapping("/exchange")
+class ExchangeController(
+    private val exchangeFileService: ExchangeFileService,
+) {
+    @PostMapping("/upload", consumes = [MediaType.MULTIPART_FORM_DATA_VALUE])
+    @ResponseStatus(HttpStatus.NO_CONTENT)
+    fun uploadIncoming(
+        @RequestPart("file") file: MultipartFile,
+    ) {
+        exchangeFileService.uploadIncoming(file)
+    }
+
+    @GetMapping("/outgoing", produces = [MediaType.IMAGE_PNG_VALUE])
+    fun downloadOutgoing(): ByteArray = exchangeFileService.downloadOutgoing()
+}
diff --git a/src/main/kotlin/team/darkmoderap/aikon/domain/exchange/service/ExchangeFileService.kt b/src/main/kotlin/team/darkmoderap/aikon/domain/exchange/service/ExchangeFileService.kt
new file mode 100644
index 0000000..20b386b
--- /dev/null
+++ b/src/main/kotlin/team/darkmoderap/aikon/domain/exchange/service/ExchangeFileService.kt
@@ -0,0 +1,43 @@
+package team.darkmoderap.aikon.domain.exchange.service
+
+import org.springframework.beans.factory.annotation.Qualifier
+import org.springframework.beans.factory.annotation.Value
+import org.springframework.http.MediaType
+import org.springframework.stereotype.Service
+import org.springframework.web.multipart.MultipartFile
+import software.amazon.awssdk.core.sync.RequestBody
+import software.amazon.awssdk.services.s3.S3Client
+import software.amazon.awssdk.services.s3.model.GetObjectRequest
+import software.amazon.awssdk.services.s3.model.PutObjectRequest
+
+@Service
+class ExchangeFileService(
+    @Qualifier("exchangeS3Client") private val s3Client: S3Client,
+    @Value("\${exchange.minio.bucket}") private val bucket: String,
+) {
+    fun uploadIncoming(
+        file: MultipartFile,
+        fileName: String = "Aikon500.png",
+    ) {
+        val request =
+            PutObjectRequest
+                .builder()
+                .bucket(bucket)
+                .key("incoming/$fileName")
+                .contentType(file.contentType ?: MediaType.APPLICATION_OCTET_STREAM_VALUE)
+                .build()
+
+        file.inputStream.use { s3Client.putObject(request, RequestBody.fromInputStream(it, file.size)) }
+    }
+
+    fun downloadOutgoing(fileName: String = "report500.png"): ByteArray {
+        val request =
+            GetObjectRequest
+                .builder()
+                .bucket(bucket)
+                .key("outgoing/$fileName")
+                .build()
+
+        return s3Client.getObjectAsBytes(request).asByteArray()
+    }
+}
diff --git a/src/main/kotlin/team/darkmoderap/aikon/global/config/ExchangeMinioConfig.kt b/src/main/kotlin/team/darkmoderap/aikon/global/config/ExchangeMinioConfig.kt
new file mode 100644
index 0000000..239231f
--- /dev/null
+++ b/src/main/kotlin/team/darkmoderap/aikon/global/config/ExchangeMinioConfig.kt
@@ -0,0 +1,27 @@
+package team.darkmoderap.aikon.global.config
+
+import org.springframework.beans.factory.annotation.Value
+import org.springframework.context.annotation.Bean
+import org.springframework.context.annotation.Configuration
+import software.amazon.awssdk.auth.credentials.AwsBasicCredentials
+import software.amazon.awssdk.auth.credentials.StaticCredentialsProvider
+import software.amazon.awssdk.regions.Region
+import software.amazon.awssdk.services.s3.S3Client
+import java.net.URI
+
+@Configuration
+class ExchangeMinioConfig {
+    @Bean("exchangeS3Client")
+    fun exchangeS3Client(
+        @Value("\${exchange.minio.endpoint}") endpoint: String,
+        @Value("\${exchange.minio.access-key}") accessKey: String,
+        @Value("\${exchange.minio.secret-key}") secretKey: String,
+    ): S3Client =
+        S3Client
+            .builder()
+            .endpointOverride(URI.create(endpoint))
+            .credentialsProvider(StaticCredentialsProvider.create(AwsBasicCredentials.create(accessKey, secretKey)))
+            .region(Region.US_EAST_1)
+            .forcePathStyle(true)
+            .build()
+}
diff --git a/src/main/resources/application.yml b/src/main/resources/application.yml
index 0b02def..bef4a59 100644
--- a/src/main/resources/application.yml
+++ b/src/main/resources/application.yml
@@ -40,3 +40,10 @@ aws:
     endpoint: ${S3_ENDPOINT:}
     path-style-access-enabled: ${S3_PATH_STYLE_ACCESS_ENABLED:true}
     presigned-url-expiration-seconds: ${S3_PRESIGNED_URL_EXPIRATION_SECONDS:3600}
+
+exchange:
+  minio:
+    endpoint: ${EXCHANGE_MINIO_ENDPOINT:http://localhost:9000}
+    access-key: ${EXCHANGE_MINIO_ACCESS_KEY:exchange-partner}
+    secret-key: ${EXCHANGE_MINIO_SECRET_KEY:}
+    bucket: ${EXCHANGE_MINIO_BUCKET:exchange}