List available routes, and the respective "help text" from the endpoints.

list_routes.py

from flask import Flask, jsonify

app = Flask(__name__)

@app.route('/api', methods = ['GET'])
def this_func():
    """This is a function. It does nothing."""
    return jsonify({ 'result': '' })

@app.route('/api/help', methods = ['GET'])
    """Print available functions."""
    func_list = {}
    for rule in app.url_map.iter_rule():
        if rule.endpoint != 'static':
            func_list[rule.rule] = app.view_functions[rule.endpoint].__doc__
    return jsonify(func_list)
    
if __name__ == '__main__':
    app.run(debug=True)