diff --git a/cmd/soong_build/main.go b/cmd/soong_build/main.go
index 0b8cc88..770ad0c 100644
--- a/cmd/soong_build/main.go
+++ b/cmd/soong_build/main.go
@@ -24,6 +24,7 @@
 	"time"
 
 	"android/soong/android"
+	"android/soong/bazel"
 	"android/soong/bp2build"
 	"android/soong/shared"
 	"android/soong/ui/metrics/bp2build_metrics_proto"
@@ -48,11 +49,12 @@
 	delveListen string
 	delvePath   string
 
-	moduleGraphFile   string
-	moduleActionsFile string
-	docFile           string
-	bazelQueryViewDir string
-	bp2buildMarker    string
+	moduleGraphFile     string
+	moduleActionsFile   string
+	docFile             string
+	bazelQueryViewDir   string
+	bazelApiBp2buildDir string
+	bp2buildMarker      string
 
 	cmdlineArgs bootstrap.Args
 )
@@ -81,6 +83,7 @@
 	flag.StringVar(&moduleActionsFile, "module_actions_file", "", "JSON file to output inputs/outputs of actions of modules")
 	flag.StringVar(&docFile, "soong_docs", "", "build documentation file to output")
 	flag.StringVar(&bazelQueryViewDir, "bazel_queryview_dir", "", "path to the bazel queryview directory relative to --top")
+	flag.StringVar(&bazelApiBp2buildDir, "bazel_api_bp2build_dir", "", "path to the bazel api_bp2build directory relative to --top")
 	flag.StringVar(&bp2buildMarker, "bp2build_marker", "", "If set, run bp2build, touch the specified marker file then exit")
 	flag.StringVar(&cmdlineArgs.OutFile, "o", "build.ninja", "the Ninja file to output")
 	flag.BoolVar(&cmdlineArgs.EmptyNinjaFile, "empty-ninja-file", false, "write out a 0-byte ninja file")
@@ -129,6 +132,8 @@
 		buildMode = android.Bp2build
 	} else if bazelQueryViewDir != "" {
 		buildMode = android.GenerateQueryView
+	} else if bazelApiBp2buildDir != "" {
+		buildMode = android.ApiBp2build
 	} else if moduleGraphFile != "" {
 		buildMode = android.GenerateModuleGraph
 	} else if docFile != "" {
@@ -178,7 +183,7 @@
 	defer ctx.EventHandler.End("queryview")
 	codegenContext := bp2build.NewCodegenContext(configuration, *ctx, bp2build.QueryView)
 	absoluteQueryViewDir := shared.JoinPath(topDir, queryviewDir)
-	if err := createBazelQueryView(codegenContext, absoluteQueryViewDir); err != nil {
+	if err := createBazelWorkspace(codegenContext, absoluteQueryViewDir); err != nil {
 		fmt.Fprintf(os.Stderr, "%s", err)
 		os.Exit(1)
 	}
@@ -186,6 +191,96 @@
 	touch(shared.JoinPath(topDir, queryviewMarker))
 }
 
+// Run the code-generation phase to convert API contributions to BUILD files.
+// Return marker file for the new synthetic workspace
+func runApiBp2build(configuration android.Config, extraNinjaDeps []string) string {
+	// Create a new context and register mutators that are only meaningful to API export
+	ctx := android.NewContext(configuration)
+	ctx.EventHandler.Begin("api_bp2build")
+	defer ctx.EventHandler.End("api_bp2build")
+	ctx.SetNameInterface(newNameResolver(configuration))
+	ctx.RegisterForApiBazelConversion()
+
+	// Register the Android.bp files in the tree
+	// Add them to the workspace's .d file
+	ctx.SetModuleListFile(cmdlineArgs.ModuleListFile)
+	if paths, err := ctx.ListModulePaths("."); err == nil {
+		extraNinjaDeps = append(extraNinjaDeps, paths...)
+	} else {
+		panic(err)
+	}
+
+	// Run the loading and analysis phase
+	ninjaDeps := bootstrap.RunBlueprint(cmdlineArgs,
+		bootstrap.StopBeforePrepareBuildActions,
+		ctx.Context,
+		configuration)
+	ninjaDeps = append(ninjaDeps, extraNinjaDeps...)
+
+	// Add the globbed dependencies
+	globs := writeBuildGlobsNinjaFile(ctx, configuration.SoongOutDir(), configuration)
+	ninjaDeps = append(ninjaDeps, globs...)
+
+	// Run codegen to generate BUILD files
+	codegenContext := bp2build.NewCodegenContext(configuration, *ctx, bp2build.ApiBp2build)
+	absoluteApiBp2buildDir := shared.JoinPath(topDir, bazelApiBp2buildDir)
+	if err := createBazelWorkspace(codegenContext, absoluteApiBp2buildDir); err != nil {
+		fmt.Fprintf(os.Stderr, "%s", err)
+		os.Exit(1)
+	}
+	ninjaDeps = append(ninjaDeps, codegenContext.AdditionalNinjaDeps()...)
+
+	// Create soong_injection repository
+	soongInjectionFiles := bp2build.CreateSoongInjectionFiles(configuration, bp2build.CodegenMetrics{})
+	absoluteSoongInjectionDir := shared.JoinPath(topDir, configuration.SoongOutDir(), bazel.SoongInjectionDirName)
+	for _, file := range soongInjectionFiles {
+		writeReadOnlyFile(absoluteSoongInjectionDir, file)
+	}
+
+	workspace := shared.JoinPath(configuration.SoongOutDir(), "api_bp2build")
+
+	excludes := bazelArtifacts()
+	// Exclude all src BUILD files
+	excludes = append(excludes, apiBuildFileExcludes()...)
+
+	// Create the symlink forest
+	symlinkDeps := bp2build.PlantSymlinkForest(
+		configuration,
+		topDir,
+		workspace,
+		bazelApiBp2buildDir,
+		".",
+		excludes)
+	ninjaDeps = append(ninjaDeps, symlinkDeps...)
+
+	workspaceMarkerFile := workspace + ".marker"
+	writeDepFile(workspaceMarkerFile, *ctx.EventHandler, ninjaDeps)
+	touch(shared.JoinPath(topDir, workspaceMarkerFile))
+	return workspaceMarkerFile
+}
+
+// With some exceptions, api_bp2build does not have any dependencies on the checked-in BUILD files
+// Exclude them from the generated workspace to prevent unrelated errors during the loading phase
+func apiBuildFileExcludes() []string {
+	ret := make([]string, 0)
+
+	srcs, err := getExistingBazelRelatedFiles(topDir)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "Error determining existing Bazel-related files: %s\n", err)
+		os.Exit(1)
+	}
+	for _, src := range srcs {
+		if src != "WORKSPACE" &&
+			src != "BUILD" &&
+			src != "BUILD.bazel" &&
+			!strings.HasPrefix(src, "build/bazel") &&
+			!strings.HasPrefix(src, "prebuilts/clang") {
+			ret = append(ret, src)
+		}
+	}
+	return ret
+}
+
 func writeMetrics(configuration android.Config, eventHandler metrics.EventHandler, metricsDir string) {
 	if len(metricsDir) < 1 {
 		fmt.Fprintf(os.Stderr, "\nMissing required env var for generating soong metrics: LOG_DIR\n")
@@ -248,6 +343,8 @@
 		return bp2buildMarker
 	} else if configuration.IsMixedBuildsEnabled() {
 		runMixedModeBuild(configuration, ctx, extraNinjaDeps)
+	} else if configuration.BuildMode == android.ApiBp2build {
+		return runApiBp2build(configuration, extraNinjaDeps)
 	} else {
 		var stopBefore bootstrap.StopBefore
 		if configuration.BuildMode == android.GenerateModuleGraph {
@@ -476,6 +573,16 @@
 	return files, nil
 }
 
+func bazelArtifacts() []string {
+	return []string{
+		"bazel-bin",
+		"bazel-genfiles",
+		"bazel-out",
+		"bazel-testlogs",
+		"bazel-" + filepath.Base(topDir),
+	}
+}
+
 // Run Soong in the bp2build mode. This creates a standalone context that registers
 // an alternate pipeline of mutators and singletons specifically for generating
 // Bazel BUILD files instead of Ninja files.
@@ -524,13 +631,7 @@
 		generatedRoot := shared.JoinPath(configuration.SoongOutDir(), "bp2build")
 		workspaceRoot := shared.JoinPath(configuration.SoongOutDir(), "workspace")
 
-		excludes := []string{
-			"bazel-bin",
-			"bazel-genfiles",
-			"bazel-out",
-			"bazel-testlogs",
-			"bazel-" + filepath.Base(topDir),
-		}
+		excludes := bazelArtifacts()
 
 		if outDir[0] != '/' {
 			excludes = append(excludes, outDir)
diff --git a/cmd/soong_build/queryview.go b/cmd/soong_build/queryview.go
index 983dbf0..cd1d6fb 100644
--- a/cmd/soong_build/queryview.go
+++ b/cmd/soong_build/queryview.go
@@ -23,8 +23,9 @@
 	"android/soong/bp2build"
 )
 
-func createBazelQueryView(ctx *bp2build.CodegenContext, bazelQueryViewDir string) error {
-	os.RemoveAll(bazelQueryViewDir)
+// A helper function to generate a Read-only Bazel workspace in outDir
+func createBazelWorkspace(ctx *bp2build.CodegenContext, outDir string) error {
+	os.RemoveAll(outDir)
 	ruleShims := bp2build.CreateRuleShims(android.ModuleTypeFactories())
 
 	res, err := bp2build.GenerateBazelTargets(ctx, true)
@@ -33,9 +34,9 @@
 	}
 
 	filesToWrite := bp2build.CreateBazelFiles(ctx.Config(), ruleShims, res.BuildDirToTargets(),
-		bp2build.QueryView)
+		ctx.Mode())
 	for _, f := range filesToWrite {
-		if err := writeReadOnlyFile(bazelQueryViewDir, f); err != nil {
+		if err := writeReadOnlyFile(outDir, f); err != nil {
 			return err
 		}
 	}