diff --git a/README.md b/README.md
index 332a19a..2c2e793 100644
--- a/README.md
+++ b/README.md
@@ -18,6 +18,8 @@ package main
 import (
     "io/fs"
     "os"
+    "fmt"
+    "context"
     "github.com/web3-storage/go-w3s-client"
 )
 
diff --git a/put.go b/put.go
index a79eb90..9aa2e99 100644
--- a/put.go
+++ b/put.go
@@ -92,6 +92,7 @@ func (c *client) PutCar(ctx context.Context, car io.Reader) (cid.Cid, error) {
 	var root cid.Cid
 	for {
 		r, err := spltr.Next()
+
 		if err != nil {
 			if err == io.EOF {
 				break
@@ -110,8 +111,8 @@ func (c *client) PutCar(ctx context.Context, car io.Reader) (cid.Cid, error) {
 	return root, nil
 }
 
-// TODO: retry
 func (c *client) sendCar(ctx context.Context, r io.Reader) (cid.Cid, error) {
+	
 	req, err := http.NewRequestWithContext(ctx, "POST", c.cfg.endpoint+"/car", r)
 	if err != nil {
 		return cid.Undef, err
@@ -124,7 +125,11 @@ func (c *client) sendCar(ctx context.Context, r io.Reader) (cid.Cid, error) {
 		return cid.Undef, err
 	}
 	if res.StatusCode != 200 {
-		return cid.Undef, fmt.Errorf("unexpected response status: %d", res.StatusCode)
+
+		//retry on failure
+		fmt.Printf("unexpected response status: %d, retrying..\n", res.StatusCode)
+		c.sendCar(ctx, r)
+
 	}
 	d := json.NewDecoder(res.Body)
 	var out struct {
diff --git a/w3scli/w3scli.go b/w3scli/w3scli.go
new file mode 100644
index 0000000..ca5c0e5
--- /dev/null
+++ b/w3scli/w3scli.go
@@ -0,0 +1,44 @@
+package main
+
+import (
+	"context"
+	"fmt"
+	"io/fs"
+	"os"
+	"github.com/ipfs/go-cid"
+	"github.com/web3-storage/go-w3s-client"
+
+)
+
+// Usage:
+// TOKEN="API_TOKEN" go run ./w3scli.go
+func main() {
+
+
+	c, err := w3s.NewClient(
+		w3s.WithEndpoint(os.Getenv("ENDPOINT")),
+		w3s.WithToken(os.Getenv("TOKEN")),
+	)
+	if err != nil {
+		panic(err)
+	}
+
+	arg := os.Args[1]
+	file, err := os.Open(arg)
+	if err != nil {
+		panic(err)
+	}
+	
+	putFile(c, file)
+
+}
+
+
+func putFile(c w3s.Client, f fs.File, opts ...w3s.PutOption) cid.Cid {
+	cid, err := c.Put(context.Background(), f, opts...)
+	if err != nil {
+		panic(err)
+	}
+	fmt.Printf("https://%v.ipfs.dweb.link\n", cid)
+	return cid
+}