diff --git a/docs/api/conf.py b/docs/api/conf.py
index eab14f7e8..fffaf90b2 100644
--- a/docs/api/conf.py
+++ b/docs/api/conf.py
@@ -3,7 +3,7 @@
 
 # Add source directory to path
 docs_dir = Path(__file__).parent
-project_root = docs_dir.parent
+project_root = docs_dir.parent.parent
 sys.path.insert(0, str(project_root / "src"))
 
 # Project information
@@ -39,3 +39,40 @@
 html_static_path = ["_static"]
 autodoc_typehints = "description"
 html_show_sphinx = False  # Remove "Built with Sphinx"
+
+
+def setup(app):
+    """Generate API documentation during Sphinx build."""
+    from sphinx.ext.apidoc import main
+
+    docs_dir = Path(__file__).parent
+    project_root = docs_dir.parent.parent
+    output_dir = str(docs_dir / "api")
+    source_dir = str(project_root / "src" / "pipecat")
+
+    # Clean existing files
+    if Path(output_dir).exists():
+        import shutil
+
+        shutil.rmtree(output_dir)
+
+    print(f"Generating API documentation...")
+    print(f"Output directory: {output_dir}")
+    print(f"Source directory: {source_dir}")
+
+    # Similar exclusions as in your generate_docs.py
+    excludes = [
+        str(project_root / "src/pipecat/processors/gstreamer"),
+        str(project_root / "src/pipecat/transports/network"),
+        str(project_root / "src/pipecat/transports/services"),
+        str(project_root / "src/pipecat/transports/local"),
+        str(project_root / "src/pipecat/services/to_be_updated"),
+        "**/test_*.py",
+        "**/tests/*.py",
+    ]
+
+    try:
+        main(["-f", "-e", "-M", "--no-toc", "-o", output_dir, source_dir] + excludes)
+        print("API documentation generated successfully!")
+    except Exception as e:
+        print(f"Error generating API documentation: {e}")
diff --git a/docs/api/requirements.txt b/docs/api/requirements.txt
index c1b9addb5..f571b6ce0 100644
--- a/docs/api/requirements.txt
+++ b/docs/api/requirements.txt
@@ -2,4 +2,5 @@ sphinx>=8.1.3
 sphinx-rtd-theme
 sphinx-markdown-builder
 sphinx-autodoc-typehints
-toml
\ No newline at end of file
+toml
+pipecat-ai[anthropic,assemblyai,aws,azure,canonical,cartesia,deepgram,elevenlabs,fal,fireworks,gladia,google,grok,groq,krisp,langchain,lmnt,moondream,nim,noisereduce,openai,openpipe,playht,silero,soundfile,websocket,whisper]