diff --git a/spring-graphql/src/main/java/org/springframework/graphql/RequestInput.java b/spring-graphql/src/main/java/org/springframework/graphql/RequestInput.java
index 01a13f1a..c5fa633c 100644
--- a/spring-graphql/src/main/java/org/springframework/graphql/RequestInput.java
+++ b/spring-graphql/src/main/java/org/springframework/graphql/RequestInput.java
@@ -86,8 +86,12 @@ public class RequestInput {
 	}
 
 	/**
-	 * Return the explicitly assigned request id.
+	 * Return an identifier for the request. This id is later propagated
+	 * as the {@link ExecutionId} of the execution input.
+	 * <p>For web transports, this identifier can be used to correlate
+	 * request and response messages on a multiplexed connection.
 	 * @return the request id.
+	 * @see <a href="https://github.com/enisdenjo/graphql-ws/blob/master/PROTOCOL.md">GraphQL over WebSocket Protocol</a>
 	 */
 	public String getId() {
 		return this.id;
diff --git a/spring-graphql/src/main/java/org/springframework/graphql/web/webflux/GraphQlHttpHandler.java b/spring-graphql/src/main/java/org/springframework/graphql/web/webflux/GraphQlHttpHandler.java
index 50f63a78..9aa4a6a1 100644
--- a/spring-graphql/src/main/java/org/springframework/graphql/web/webflux/GraphQlHttpHandler.java
+++ b/spring-graphql/src/main/java/org/springframework/graphql/web/webflux/GraphQlHttpHandler.java
@@ -25,9 +25,7 @@ import reactor.core.publisher.Mono;
 import org.springframework.core.ParameterizedTypeReference;
 import org.springframework.graphql.web.WebGraphQlHandler;
 import org.springframework.graphql.web.WebInput;
-import org.springframework.util.AlternativeJdkIdGenerator;
 import org.springframework.util.Assert;
-import org.springframework.util.IdGenerator;
 import org.springframework.web.reactive.function.server.ServerRequest;
 import org.springframework.web.reactive.function.server.ServerResponse;
 
@@ -48,26 +46,13 @@ public class GraphQlHttpHandler {
 
 	private final WebGraphQlHandler graphQlHandler;
 
-	private final IdGenerator idGenerator;
-
 	/**
 	 * Create a new instance.
 	 * @param graphQlHandler common handler for GraphQL over HTTP requests
 	 */
 	public GraphQlHttpHandler(WebGraphQlHandler graphQlHandler) {
-		this(graphQlHandler, new AlternativeJdkIdGenerator());
-	}
-
-	/**
-	 * Create a new instance.
-	 * @param graphQlHandler common handler for GraphQL over HTTP requests
-	 * @param idGenerator Id generator for requests
-	 */
-	public GraphQlHttpHandler(WebGraphQlHandler graphQlHandler, IdGenerator idGenerator) {
 		Assert.notNull(graphQlHandler, "WebGraphQlHandler is required");
-		Assert.notNull(idGenerator, "IdGenerator is required");
 		this.graphQlHandler = graphQlHandler;
-		this.idGenerator = idGenerator;
 	}
 
 	/**
@@ -81,7 +66,7 @@ public class GraphQlHttpHandler {
 					WebInput input = new WebInput(
 							request.uri(), request.headers().asHttpHeaders(), body,
 							request.exchange().getLocaleContext().getLocale(),
-							this.idGenerator.generateId().toString());
+							request.exchange().getRequest().getId());
 					if (logger.isDebugEnabled()) {
 						logger.debug("Executing: " + input);
 					}
diff --git a/spring-graphql/src/main/java/org/springframework/graphql/web/webmvc/GraphQlHttpHandler.java b/spring-graphql/src/main/java/org/springframework/graphql/web/webmvc/GraphQlHttpHandler.java
index 402799ed..be130b52 100644
--- a/spring-graphql/src/main/java/org/springframework/graphql/web/webmvc/GraphQlHttpHandler.java
+++ b/spring-graphql/src/main/java/org/springframework/graphql/web/webmvc/GraphQlHttpHandler.java
@@ -52,28 +52,17 @@ public class GraphQlHttpHandler {
 	private static final ParameterizedTypeReference<Map<String, Object>> MAP_PARAMETERIZED_TYPE_REF =
 			new ParameterizedTypeReference<Map<String, Object>>() {};
 
-	private final WebGraphQlHandler graphQlHandler;
+	private final IdGenerator idGenerator = new AlternativeJdkIdGenerator();
 
-	private final IdGenerator idGenerator;
+	private final WebGraphQlHandler graphQlHandler;
 
 	/**
 	 * Create a new instance.
 	 * @param graphQlHandler common handler for GraphQL over HTTP requests
 	 */
 	public GraphQlHttpHandler(WebGraphQlHandler graphQlHandler) {
-		this(graphQlHandler, new AlternativeJdkIdGenerator());
-	}
-
-	/**
-	 * Create a new instance.
-	 * @param graphQlHandler common handler for GraphQL over HTTP requests
-	 * @param idGenerator Id generator for requests
-	 */
-	public GraphQlHttpHandler(WebGraphQlHandler graphQlHandler, IdGenerator idGenerator) {
 		Assert.notNull(graphQlHandler, "WebGraphQlHandler is required");
-		Assert.notNull(idGenerator, "IdGenerator is required");
 		this.graphQlHandler = graphQlHandler;
-		this.idGenerator = idGenerator;
 	}
 
 	/**
diff --git a/spring-graphql/src/test/java/org/springframework/graphql/web/webflux/GraphQlHttpHandlerTests.java b/spring-graphql/src/test/java/org/springframework/graphql/web/webflux/GraphQlHttpHandlerTests.java
index 14290f92..7387dac6 100644
--- a/spring-graphql/src/test/java/org/springframework/graphql/web/webflux/GraphQlHttpHandlerTests.java
+++ b/spring-graphql/src/test/java/org/springframework/graphql/web/webflux/GraphQlHttpHandlerTests.java
@@ -19,7 +19,6 @@ import java.util.Collections;
 import java.util.List;
 import java.util.Locale;
 import java.util.Map;
-import java.util.UUID;
 
 import com.jayway.jsonpath.DocumentContext;
 import com.jayway.jsonpath.JsonPath;
@@ -39,7 +38,6 @@ import org.springframework.web.reactive.result.view.ViewResolver;
 import org.springframework.web.server.ServerWebExchange;
 
 import static org.assertj.core.api.Assertions.assertThat;
-import static org.assertj.core.api.Assertions.assertThatNoException;
 
 /**
  * Tests for {@link GraphQlHttpHandler}.
@@ -76,7 +74,7 @@ public class GraphQlHttpHandlerTests {
 
 		DocumentContext document = JsonPath.parse(httpResponse.getBodyAsString().block());
 		String id = document.read("data.showId", String.class);
-		assertThatNoException().isThrownBy(() -> UUID.fromString(id));
+		assertThat(id).isEqualTo(httpRequest.getId());
 	}
 
 	private MockServerHttpResponse handleRequest(