diff --git a/CMakeLists.txt b/CMakeLists.txt
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -20,6 +20,7 @@
 include(KDEFrameworkCompilerSettings)
 include(KDECMakeSettings)
 include(ECMMarkNonGuiExecutable)
+include(ECMAddQch)
 
 set(KF5_VERSION "5.29.0")
 
@@ -42,6 +43,13 @@
 find_package(Perl REQUIRED)
 set_package_properties(Perl PROPERTIES PURPOSE "Auto-generate PHP syntax definition files.")
 
+
+#
+# API documentation
+#
+option(BUILD_QCH "Build API documentation in QCH format" OFF)
+add_feature_info(QCH ${BUILD_QCH} "API documentation in QCH format")
+
 #
 # Translations
 #
@@ -80,6 +88,16 @@
         FILE KF5SyntaxHighlightingTargets.cmake
         NAMESPACE KF5::)
 
+if (BUILD_QCH)
+    set(KSyntaxHighlighting_QCH_TARGETS KF5SyntaxHighlighting_QCH)
+endif()
+ecm_install_qch_export(
+    TARGETS ${KSyntaxHighlighting_QCH_TARGETS}
+    FILE KF5SyntaxHighlightingQchTargets.cmake
+    DESTINATION "${CMAKECONFIG_INSTALL_DIR}"
+    COMPONENT Devel
+)
+
 install(FILES "${CMAKE_CURRENT_BINARY_DIR}/ksyntaxhighlighting_version.h"
         DESTINATION "${KDE_INSTALL_INCLUDEDIR_KF5}"
         COMPONENT Devel)
diff --git a/KF5SyntaxHighlightingConfig.cmake.in b/KF5SyntaxHighlightingConfig.cmake.in
--- a/KF5SyntaxHighlightingConfig.cmake.in
+++ b/KF5SyntaxHighlightingConfig.cmake.in
@@ -3,3 +3,4 @@
 find_package(Qt5 @Qt5Core_VERSION_MAJOR@.@Qt5Core_VERSION_MINOR@ NO_MODULE REQUIRED COMPONENTS Core Gui)
 
 include("${CMAKE_CURRENT_LIST_DIR}/KF5SyntaxHighlightingTargets.cmake")
+include("${CMAKE_CURRENT_LIST_DIR}/KF5SyntaxHighlightingQchTargets.cmake")
diff --git a/src/lib/CMakeLists.txt b/src/lib/CMakeLists.txt
--- a/src/lib/CMakeLists.txt
+++ b/src/lib/CMakeLists.txt
@@ -58,6 +58,25 @@
     ${CMAKE_CURRENT_BINARY_DIR}/ksyntaxhighlighting_export.h
     DESTINATION ${KDE_INSTALL_INCLUDEDIR_KF5}/KSyntaxHighlighting)
 
+if(BUILD_QCH)
+    ecm_add_qch(
+        KF5SyntaxHighlighting_QCH
+        NAME KSyntaxHighlighting
+        BASE_NAME KF5SyntaxHighlighting
+        VERSION ${KF5_VERSION}
+        ORG_DOMAIN org.kde
+        SOURCES ${SyntaxHighlighting_HEADERS}
+        MD_MAINPAGE "${CMAKE_SOURCE_DIR}/README.md"
+        LINK_QCHS
+            Qt5Core_QCH
+            Qt5Gui_QCH
+        BLANK_MACROS
+            KSYNTAXHIGHLIGHTING_EXPORT
+            KSYNTAXHIGHLIGHTING_DEPRECATED
+        TAGFILE_INSTALL_DESTINATION ${KDE_INSTALL_FULL_QTQCHDIR}
+        QCH_INSTALL_DESTINATION ${KDE_INSTALL_FULL_QTQCHDIR}
+    )
+endif()
 ecm_generate_pri_file(
     BASE_NAME KSyntaxHighlighting LIB_NAME
     KF5SyntaxHighlighting