diff --git a/Api/api-app/src/main/kotlin/co/nilin/opex/app/config/SwaggerConfig.kt b/Api/api-app/src/main/kotlin/co/nilin/opex/app/config/SwaggerConfig.kt
index c9fe3d51b..6758b8ee6 100644
--- a/Api/api-app/src/main/kotlin/co/nilin/opex/app/config/SwaggerConfig.kt
+++ b/Api/api-app/src/main/kotlin/co/nilin/opex/app/config/SwaggerConfig.kt
@@ -20,7 +20,7 @@ import java.util.*
 @Configuration
 class SwaggerConfig {
     @Value("\${swagger.authUrl}")
-    val authUrl: String = ""
+    private lateinit var authUrl: String
 
     @Bean
     fun opexApi(): Docket {
@@ -94,4 +94,4 @@ class SwaggerConfig {
             .scopeSeparator(",")
             .build()
     }
-}
\ No newline at end of file
+}
diff --git a/BlockchainGateway/bc-gateway-app/pom.xml b/BlockchainGateway/bc-gateway-app/pom.xml
index 71355c3df..298eb2d3f 100644
--- a/BlockchainGateway/bc-gateway-app/pom.xml
+++ b/BlockchainGateway/bc-gateway-app/pom.xml
@@ -103,6 +103,11 @@
             <artifactId>bc-gateway-persister-postgres</artifactId>
             <version>${bc-gateway.version}</version>
         </dependency>
+        <dependency>
+            <groupId>io.springfox</groupId>
+            <artifactId>springfox-boot-starter</artifactId>
+            <version>3.0.0</version>
+        </dependency>
     </dependencies>
 
     <dependencyManagement>
diff --git a/BlockchainGateway/bc-gateway-app/src/main/kotlin/co/nilin/opex/bcgateway/app/config/SwaggerConfig.kt b/BlockchainGateway/bc-gateway-app/src/main/kotlin/co/nilin/opex/bcgateway/app/config/SwaggerConfig.kt
new file mode 100644
index 000000000..9a336a7cb
--- /dev/null
+++ b/BlockchainGateway/bc-gateway-app/src/main/kotlin/co/nilin/opex/bcgateway/app/config/SwaggerConfig.kt
@@ -0,0 +1,97 @@
+package co.nilin.opex.bcgateway.app.config
+
+import org.springframework.beans.factory.annotation.Value
+import org.springframework.context.annotation.Bean
+import org.springframework.context.annotation.Configuration
+import org.springframework.security.core.annotation.AuthenticationPrincipal
+import springfox.documentation.builders.ApiInfoBuilder
+import springfox.documentation.builders.OAuthBuilder
+import springfox.documentation.builders.PathSelectors
+import springfox.documentation.builders.RequestParameterBuilder
+import springfox.documentation.service.*
+import springfox.documentation.spi.DocumentationType
+import springfox.documentation.spi.service.contexts.SecurityContext
+import springfox.documentation.spring.web.plugins.Docket
+import springfox.documentation.swagger.web.SecurityConfiguration
+import springfox.documentation.swagger.web.SecurityConfigurationBuilder
+import java.security.Principal
+import java.util.*
+
+@Configuration
+class SwaggerConfig {
+    @Value("\${swagger.authUrl}")
+    private lateinit var authUrl: String
+
+    @Bean
+    fun opexBCGateway(): Docket {
+        return Docket(DocumentationType.SWAGGER_2)
+            .groupName("opex-bc-gateway")
+            .apiInfo(apiInfo())
+            .select()
+            .paths(PathSelectors.regex("^/actuator.*").negate())
+            .build()
+            .globalRequestParameters(
+                Collections.singletonList(
+                    RequestParameterBuilder()
+                        .name("content-type")
+                        .description("content-type")
+                        .`in`(ParameterType.HEADER)
+                        .required(true)
+                        .build()
+                )
+            )
+            .ignoredParameterTypes(AuthenticationPrincipal::class.java, Principal::class.java)
+            .useDefaultResponseMessages(false)
+            .securitySchemes(Collections.singletonList(oauth()))
+            .securityContexts(Collections.singletonList(securityContext()))
+    }
+
+    private fun apiInfo(): ApiInfo {
+        return ApiInfoBuilder()
+            .title("OPEX API")
+            .description("Backend for opex exchange.")
+            .license("MIT License")
+            .licenseUrl("https://github.com/opexdev/Back-end/blob/feature/1-MVP/LICENSE")
+            .version("0.1")
+            .build()
+    }
+
+    private fun oauth(): SecurityScheme {
+        return OAuthBuilder()
+            .name("opex")
+            .grantTypes(grantTypes())
+            .scopes(scopes())
+            .build()
+    }
+
+    private fun scopes(): List<AuthorizationScope?> {
+        return listOf(AuthorizationScope("openid", "OpenId"))
+    }
+
+    private fun grantTypes(): List<GrantType?> {
+        val tokenUrl = "$authUrl/auth/realms/opex/protocol/openid-connect/token"
+        val grantType = ResourceOwnerPasswordCredentialsGrant(tokenUrl)
+        return Collections.singletonList(grantType)
+    }
+
+    private fun securityContext(): SecurityContext {
+        val securityReference = SecurityReference.builder()
+            .reference("opex")
+            .scopes(emptyArray())
+            .build()
+        return SecurityContext.builder()
+            .securityReferences(Collections.singletonList(securityReference))
+            .operationSelector { true }
+            .build()
+    }
+
+    @Bean
+    fun securityInfo(): SecurityConfiguration {
+        return SecurityConfigurationBuilder.builder()
+            .clientId("admin-cli")
+            .realm("opex")
+            .appName("opex")
+            .scopeSeparator(",")
+            .build()
+    }
+}
diff --git a/BlockchainGateway/bc-gateway-app/src/main/resources/application.yml b/BlockchainGateway/bc-gateway-app/src/main/resources/application.yml
index c21510415..c1698dc75 100644
--- a/BlockchainGateway/bc-gateway-app/src/main/resources/application.yml
+++ b/BlockchainGateway/bc-gateway-app/src/main/resources/application.yml
@@ -29,3 +29,5 @@ spring:
 logging:
   level:
     org.apache.kafka: DEBUG
+
+swagger.authUrl: https://api.opex.dev
diff --git a/MatchingGateway/gateway-app/src/main/kotlin/co/nilin/opex/app/config/SwaggerConfig.kt b/MatchingGateway/gateway-app/src/main/kotlin/co/nilin/opex/app/config/SwaggerConfig.kt
index 37abadf5e..13860b55e 100644
--- a/MatchingGateway/gateway-app/src/main/kotlin/co/nilin/opex/app/config/SwaggerConfig.kt
+++ b/MatchingGateway/gateway-app/src/main/kotlin/co/nilin/opex/app/config/SwaggerConfig.kt
@@ -21,7 +21,7 @@ import java.util.*
 @Configuration
 class SwaggerConfig {
     @Value("\${swagger.authUrl}")
-    val authUrl: String = ""
+    private lateinit var authUrl: String
 
     @Bean
     fun opexMatchingGateway(): Docket {
@@ -95,4 +95,4 @@ class SwaggerConfig {
             .scopeSeparator(",")
             .build()
     }
-}
\ No newline at end of file
+}
diff --git a/Wallet/wallet-app/src/main/kotlin/co/nilin/opex/wallet/app/config/SwaggerConfig.kt b/Wallet/wallet-app/src/main/kotlin/co/nilin/opex/wallet/app/config/SwaggerConfig.kt
index 76b80d954..eb87f48bf 100644
--- a/Wallet/wallet-app/src/main/kotlin/co/nilin/opex/wallet/app/config/SwaggerConfig.kt
+++ b/Wallet/wallet-app/src/main/kotlin/co/nilin/opex/wallet/app/config/SwaggerConfig.kt
@@ -20,7 +20,7 @@ import java.util.*
 @Configuration
 class SwaggerConfig {
     @Value("\${swagger.authUrl}")
-    val authUrl: String = ""
+    private lateinit var authUrl: String
 
     @Bean
     fun opexWallet(): Docket {
@@ -96,4 +96,4 @@ class SwaggerConfig {
             .scopeSeparator(",")
             .build()
     }
-}
\ No newline at end of file
+}