diff --git a/AndroidLib/src/main/kotlin/com/bloomberg/selekt/android/SQLiteDatabase.kt b/AndroidLib/src/main/kotlin/com/bloomberg/selekt/android/SQLiteDatabase.kt
index 0447b25b53..03ed4b52e9 100644
--- a/AndroidLib/src/main/kotlin/com/bloomberg/selekt/android/SQLiteDatabase.kt
+++ b/AndroidLib/src/main/kotlin/com/bloomberg/selekt/android/SQLiteDatabase.kt
@@ -29,6 +29,7 @@ import com.bloomberg.selekt.SQLiteAutoVacuumMode
 import com.bloomberg.selekt.SQLiteJournalMode
 import com.bloomberg.selekt.SQLiteTraceEventMode
 import com.bloomberg.selekt.SQLiteTransactionMode
+import com.bloomberg.selekt.annotations.DelicateApi
 import com.bloomberg.selekt.pools.Priority
 import org.intellij.lang.annotations.Language
 import java.io.Closeable
@@ -180,9 +181,11 @@ class SQLiteDatabase private constructor(
      *
      * @see <a href="https://www.sqlite.org/lang_transaction.html">SQLite's transaction</a>
      */
-    internal fun beginExclusiveTransaction() = database.beginExclusiveTransaction()
+    @DelicateApi
+    fun beginExclusiveTransaction() = database.beginExclusiveTransaction()
 
-    internal fun beginExclusiveTransactionWithListener(listener: SQLTransactionListener) =
+    @DelicateApi
+    fun beginExclusiveTransactionWithListener(listener: SQLTransactionListener) =
         database.beginExclusiveTransactionWithListener(listener)
 
     /**
@@ -196,9 +199,11 @@ class SQLiteDatabase private constructor(
      *
      * @see <a href="https://www.sqlite.org/lang_transaction.html">SQLite's transaction</a>
      */
-    internal fun beginImmediateTransaction() = database.beginImmediateTransaction()
+    @DelicateApi
+    fun beginImmediateTransaction() = database.beginImmediateTransaction()
 
-    internal fun beginImmediateTransactionWithListener(listener: SQLTransactionListener) =
+    @DelicateApi
+    fun beginImmediateTransactionWithListener(listener: SQLTransactionListener) =
         database.beginImmediateTransactionWithListener(listener)
 
     fun compileStatement(@Language("RoomSql") sql: String) = database.compileStatement(sql)
@@ -209,7 +214,8 @@ class SQLiteDatabase private constructor(
             whereClause.orEmpty(),
             whereArgs.orEmpty())
 
-    internal fun endTransaction() = database.endTransaction()
+    @DelicateApi
+    fun endTransaction() = database.endTransaction()
 
     fun exec(@Language("RoomSql") sql: String) = database.exec(sql)
 
@@ -333,7 +339,8 @@ class SQLiteDatabase private constructor(
         database.pragma(PAGE_SIZE, 1 shl value)
     }
 
-    internal fun setTransactionSuccessful() = database.setTransactionSuccessful()
+    @DelicateApi
+    fun setTransactionSuccessful() = database.setTransactionSuccessful()
 
     /**
      * @since 0.7.4
diff --git a/AndroidLib/src/main/kotlin/com/bloomberg/selekt/android/support/SupportSQLiteDatabase.kt b/AndroidLib/src/main/kotlin/com/bloomberg/selekt/android/support/SupportSQLiteDatabase.kt
index 091b86cc0c..139067a2ce 100644
--- a/AndroidLib/src/main/kotlin/com/bloomberg/selekt/android/support/SupportSQLiteDatabase.kt
+++ b/AndroidLib/src/main/kotlin/com/bloomberg/selekt/android/support/SupportSQLiteDatabase.kt
@@ -26,9 +26,11 @@ import androidx.sqlite.db.SupportSQLiteQuery
 import com.bloomberg.selekt.SQLTransactionListener
 import com.bloomberg.selekt.SQLiteJournalMode
 import com.bloomberg.selekt.android.SQLiteDatabase
+import com.bloomberg.selekt.annotations.DelicateApi
 import org.intellij.lang.annotations.Language
 import java.util.Locale
 
+@DelicateApi
 internal fun SQLiteDatabase.asSupportSQLiteDatabase(): SupportSQLiteDatabase = SupportSQLiteDatabase(this)
 
 @VisibleForTesting(otherwise = VisibleForTesting.PRIVATE)
@@ -50,6 +52,7 @@ private class WrappedSQLiteTransactionListener(
     override fun hashCode() = listener.hashCode()
 }
 
+@DelicateApi
 private class SupportSQLiteDatabase constructor(
     private val database: SQLiteDatabase
 ) : SupportSQLiteDatabase {
diff --git a/AndroidLib/src/main/kotlin/com/bloomberg/selekt/android/support/SupportSQLiteOpenHelper.kt b/AndroidLib/src/main/kotlin/com/bloomberg/selekt/android/support/SupportSQLiteOpenHelper.kt
index a7024200e3..7994e77704 100644
--- a/AndroidLib/src/main/kotlin/com/bloomberg/selekt/android/support/SupportSQLiteOpenHelper.kt
+++ b/AndroidLib/src/main/kotlin/com/bloomberg/selekt/android/support/SupportSQLiteOpenHelper.kt
@@ -23,6 +23,7 @@ import com.bloomberg.selekt.android.ISQLiteOpenHelper
 import com.bloomberg.selekt.android.SQLiteDatabase
 import com.bloomberg.selekt.android.SQLiteOpenHelper
 import com.bloomberg.selekt.android.SQLiteOpenParams
+import com.bloomberg.selekt.annotations.DelicateApi
 
 fun createSupportSQLiteOpenHelperFactory(
     journalMode: SQLiteJournalMode,
@@ -41,7 +42,7 @@ private class SupportSQLiteOpenHelperFactory(
     ).asSupportSQLiteOpenHelper()
 }
 
-internal fun ISQLiteOpenHelper.asSupportSQLiteOpenHelper() = object : SupportSQLiteOpenHelper {
+internal fun ISQLiteOpenHelper.asSupportSQLiteOpenHelper() = @DelicateApi object : SupportSQLiteOpenHelper {
     private val database: SupportSQLiteDatabase by lazy(LazyThreadSafetyMode.SYNCHRONIZED) {
         this@asSupportSQLiteOpenHelper.writableDatabase.asSupportSQLiteDatabase()
     }
@@ -73,7 +74,7 @@ internal fun SupportSQLiteOpenHelper.Configuration.asSelektConfiguration(
     name = requireNotNull(name) { "Encryption of in-memory SupportDatabases is not supported." }
 )
 
-internal fun SupportSQLiteOpenHelper.Callback.asSelektCallback() = object : ISQLiteOpenHelper.Callback {
+internal fun SupportSQLiteOpenHelper.Callback.asSelektCallback() = @DelicateApi object : ISQLiteOpenHelper.Callback {
     override fun onConfigure(database: SQLiteDatabase) = this@asSelektCallback.onConfigure(
         database.asSupportSQLiteDatabase())
 
diff --git a/AndroidLib/src/test/kotlin/com/bloomberg/selekt/android/SQLiteDatabaseTransactionTest.kt b/AndroidLib/src/test/kotlin/com/bloomberg/selekt/android/SQLiteDatabaseTransactionTest.kt
index c9dc5b3e3a..f29b10ffef 100644
--- a/AndroidLib/src/test/kotlin/com/bloomberg/selekt/android/SQLiteDatabaseTransactionTest.kt
+++ b/AndroidLib/src/test/kotlin/com/bloomberg/selekt/android/SQLiteDatabaseTransactionTest.kt
@@ -22,6 +22,7 @@ import com.bloomberg.selekt.SQLTransactionListener
 import com.bloomberg.selekt.commons.deleteDatabase
 import com.bloomberg.selekt.SQLiteJournalMode
 import com.bloomberg.selekt.SQLiteTransactionMode
+import com.bloomberg.selekt.annotations.DelicateApi
 import org.mockito.kotlin.any
 import org.mockito.kotlin.doReturn
 import org.mockito.kotlin.doThrow
@@ -71,6 +72,7 @@ internal data class TransactionTestInputs(
 }
 
 @RunWith(Parameterized::class)
+@DelicateApi
 internal class SQLiteDatabaseTransactionTest(inputs: TransactionTestInputs) {
     @get:Rule
     val timeoutRule = DisableOnDebug(Timeout(10L, TimeUnit.SECONDS))
diff --git a/AndroidLib/src/test/kotlin/com/bloomberg/selekt/android/SQLiteDatabaseWALTest.kt b/AndroidLib/src/test/kotlin/com/bloomberg/selekt/android/SQLiteDatabaseWALTest.kt
index 6ec0844f1e..11f4f02245 100644
--- a/AndroidLib/src/test/kotlin/com/bloomberg/selekt/android/SQLiteDatabaseWALTest.kt
+++ b/AndroidLib/src/test/kotlin/com/bloomberg/selekt/android/SQLiteDatabaseWALTest.kt
@@ -23,7 +23,7 @@ import com.bloomberg.selekt.Experimental
 import com.bloomberg.selekt.SQLTransactionListener
 import com.bloomberg.selekt.SQLiteAutoVacuumMode
 import com.bloomberg.selekt.SQLiteJournalMode
-import com.bloomberg.selekt.commons.deleteDatabase
+import com.bloomberg.selekt.annotations.DelicateApi
 import org.mockito.kotlin.doThrow
 import org.mockito.kotlin.mock
 import org.mockito.kotlin.times
@@ -42,6 +42,7 @@ import kotlin.test.assertSame
 import kotlin.test.assertTrue
 
 @RunWith(RobolectricTestRunner::class)
+@DelicateApi
 internal class SQLiteDatabaseWALTest {
     private val file = File.createTempFile("test-sql-database-wal", ".db").also { it.deleteOnExit() }
 
diff --git a/AndroidLib/src/test/kotlin/com/bloomberg/selekt/android/support/SupportSQLiteDatabaseTest.kt b/AndroidLib/src/test/kotlin/com/bloomberg/selekt/android/support/SupportSQLiteDatabaseTest.kt
index 321c156011..5da360fafb 100644
--- a/AndroidLib/src/test/kotlin/com/bloomberg/selekt/android/support/SupportSQLiteDatabaseTest.kt
+++ b/AndroidLib/src/test/kotlin/com/bloomberg/selekt/android/support/SupportSQLiteDatabaseTest.kt
@@ -24,6 +24,7 @@ import androidx.sqlite.db.SupportSQLiteQuery
 import com.bloomberg.selekt.SQLiteJournalMode
 import com.bloomberg.selekt.android.ConflictAlgorithm
 import com.bloomberg.selekt.android.SQLiteDatabase
+import com.bloomberg.selekt.annotations.DelicateApi
 import org.mockito.kotlin.any
 import org.mockito.kotlin.anyOrNull
 import org.mockito.kotlin.doReturn
@@ -56,11 +57,12 @@ import kotlin.test.assertTrue
 private const val CONFLICT_REPLACE = 5
 
 @RunWith(RobolectricTestRunner::class)
+@DelicateApi
 internal class SupportSQLiteDatabaseTest {
     @get:Rule
     val timeoutRule = DisableOnDebug(Timeout(10L, TimeUnit.SECONDS))
 
-    @Mock lateinit var database: com.bloomberg.selekt.android.SQLiteDatabase
+    @Mock lateinit var database: SQLiteDatabase
     private lateinit var supportDatabase: SupportSQLiteDatabase
 
     @Before
diff --git a/ApiLib/src/main/kotlin/com/bloomberg/selekt/annotations/DelicateApi.kt b/ApiLib/src/main/kotlin/com/bloomberg/selekt/annotations/DelicateApi.kt
new file mode 100644
index 0000000000..d4a0638e6d
--- /dev/null
+++ b/ApiLib/src/main/kotlin/com/bloomberg/selekt/annotations/DelicateApi.kt
@@ -0,0 +1,29 @@
+/*
+ * Copyright 2021 Bloomberg Finance L.P.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.bloomberg.selekt.annotations
+
+/**
+ * Marks Selekt methods that are to be used with caution. Their use must be subject to careful review. Misuse may result
+ * in leaks or hard to diagnose bugs.
+ */
+@MustBeDocumented
+@Retention(value = AnnotationRetention.BINARY)
+@RequiresOptIn(
+    level = RequiresOptIn.Level.WARNING,
+    message = "This is a delicate API whose use requires care."
+)
+annotation class DelicateApi