diff --git a/miniqiita.go b/miniqiita.go
new file mode 100644
index 0000000..6bdf154
--- /dev/null
+++ b/miniqiita.go
@@ -0,0 +1,33 @@
+package miniqiita
+
+import (
+	"log"
+	"net/http"
+	"net/url"
+	"os"
+)
+
+type Client struct {
+	BaseURL    *url.URL
+	HTTPClient *http.Client
+	Token      string
+	Logger     *log.Logger
+}
+
+func New(rawBaseURL, token string, logger *log.Logger) (*Client, error) {
+	baseURL, err := url.Parse(rawBaseURL)
+	if err != nil {
+		return nil, err
+	}
+
+	if logger == nil {
+		logger = log.New(os.Stderr, "[LOG]", log.LstdFlags)
+	}
+
+	return &Client{
+		BaseURL:    baseURL,
+		HTTPClient: http.DefaultClient,
+		Token:      token,
+		Logger:     logger,
+	}, nil
+}