dify/api/controllers/service_api/__init__.py

from flask import Blueprint
from flask_restx import Namespace

from libs.external_api import ExternalApi

bp = Blueprint("service_api", __name__, url_prefix="/v1")

api = ExternalApi(
    bp,
    version="1.0",
    title="Service API",
    description="API for application services",
    doc="/docs",  # Enable Swagger UI at /v1/docs
)

service_api_ns = Namespace("service_api", description="Service operations")

from . import index
from .app import annotation, app, audio, completion, conversation, file, file_preview, message, site, workflow
from .dataset import dataset, document, hit_testing, metadata, segment, upload_file
from .workspace import models

api.add_namespace(service_api_ns)