diff --git a/accounts_test.go b/accounts_test.go
index f4dc8d6..338d342 100644
--- a/accounts_test.go
+++ b/accounts_test.go
@@ -113,7 +113,6 @@ func TestGetAccountStatuses(t *testing.T) {
 			http.Error(w, http.StatusText(http.StatusNotFound), http.StatusNotFound)
 			return
 		}
-		//w.Header().Set("Link", `<http://example.com/api/v1/accounts/1234567/statuses?max_id=123>; rel="next", <http://example.com/api/v1/accounts/1234567/statuses?since_id=789>; rel="prev"`)
 		fmt.Fprintln(w, `[{"content": "foo"}, {"content": "bar"}]`)
 		return
 	}))
diff --git a/helper_test.go b/helper_test.go
index 7da80b9..b2599e6 100644
--- a/helper_test.go
+++ b/helper_test.go
@@ -62,6 +62,14 @@ func TestBase64Encode(t *testing.T) {
 	}
 }
 
+func TestInt64(t *testing.T) {
+	i := int64(1234567)
+	ip := Int64(i)
+	if *ip != i {
+		t.Fatalf("want %d but %d", i, *ip)
+	}
+}
+
 func TestString(t *testing.T) {
 	s := "test"
 	sp := String(s)
diff --git a/mastodon_test.go b/mastodon_test.go
index 0eb376a..c59011f 100644
--- a/mastodon_test.go
+++ b/mastodon_test.go
@@ -6,10 +6,74 @@ import (
 	"io"
 	"net/http"
 	"net/http/httptest"
+	"net/url"
 	"testing"
 	"time"
 )
 
+func TestDoAPI(t *testing.T) {
+	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		q := r.URL.Query()
+		if q.Get("max_id") == "123" && q.Get("since_id") == "789" && q.Get("limit") == "10" {
+			w.Header().Set("Link", `<http://example.com?max_id=234>; rel="next", <http://example.com?since_id=890>; rel="prev"`)
+			fmt.Fprintln(w, `[{"username": "foo"}, {"username": "bar"}]`)
+		}
+		w.Header().Set("Link", `<:>; rel="next"`)
+	}))
+	defer ts.Close()
+
+	c := NewClient(&Config{Server: ts.URL})
+	_, err := c.doAPI(context.Background(), http.MethodGet, "/", nil, nil, &Pagination{
+		MaxID: Int64(999),
+	})
+	if err == nil {
+		t.Fatalf("should be fail: %v", err)
+	}
+
+	var accounts []Account
+	pg, err := c.doAPI(context.Background(), http.MethodGet, "/", url.Values{}, &accounts, &Pagination{
+		MaxID:   Int64(123),
+		SinceID: Int64(789),
+		Limit:   Int64(10),
+	})
+	if err != nil {
+		t.Fatalf("should not be fail: %v", err)
+	}
+	if *pg.MaxID != 234 {
+		t.Fatalf("want %d but %d", 234, *pg.MaxID)
+	}
+	if *pg.SinceID != 890 {
+		t.Fatalf("want %d but %d", 890, *pg.SinceID)
+	}
+	if accounts[0].Username != "foo" {
+		t.Fatalf("want %q but %q", "foo", accounts[0].Username)
+	}
+	if accounts[1].Username != "bar" {
+		t.Fatalf("want %q but %q", "bar", accounts[1].Username)
+	}
+
+	pg, err = c.doAPI(context.Background(), http.MethodGet, "/", nil, &accounts, &Pagination{
+		MaxID:   Int64(123),
+		SinceID: Int64(789),
+		Limit:   Int64(10),
+	})
+	if err != nil {
+		t.Fatalf("should not be fail: %v", err)
+	}
+	if *pg.MaxID != 234 {
+		t.Fatalf("want %d but %d", 234, *pg.MaxID)
+	}
+	if *pg.SinceID != 890 {
+		t.Fatalf("want %d but %d", 890, *pg.SinceID)
+	}
+	if accounts[0].Username != "foo" {
+		t.Fatalf("want %q but %q", "foo", accounts[0].Username)
+	}
+	if accounts[1].Username != "bar" {
+		t.Fatalf("want %q but %q", "bar", accounts[1].Username)
+	}
+}
+
 func TestAuthenticate(t *testing.T) {
 	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 		if r.FormValue("username") != "valid" || r.FormValue("password") != "user" {
@@ -198,3 +262,73 @@ func TestForTheCoverages(t *testing.T) {
 	(*ErrorEvent)(nil).event()
 	_ = (&ErrorEvent{io.EOF}).Error()
 }
+
+func TestNewPagination(t *testing.T) {
+	_, err := newPagination("")
+	if err == nil {
+		t.Fatalf("should be fail: %v", err)
+	}
+
+	_, err = newPagination(`<:>; rel="next"`)
+	if err == nil {
+		t.Fatalf("should be fail: %v", err)
+	}
+
+	_, err = newPagination(`<:>; rel="prev"`)
+	if err == nil {
+		t.Fatalf("should be fail: %v", err)
+	}
+
+	pg, err := newPagination(`<http://example.com?max_id=123>; rel="next", <http://example.com?since_id=789>; rel="prev"`)
+	if err != nil {
+		t.Fatalf("should not be fail: %v", err)
+	}
+	if *pg.MaxID != 123 {
+		t.Fatalf("want %d but %d", 123, *pg.MaxID)
+	}
+	if *pg.SinceID != 789 {
+		t.Fatalf("want %d but %d", 789, *pg.SinceID)
+	}
+}
+
+func TestGetPaginationID(t *testing.T) {
+	_, err := getPaginationID(":", "max_id")
+	if err == nil {
+		t.Fatalf("should be fail: %v", err)
+	}
+
+	_, err = getPaginationID("http://example.com?max_id=abc", "max_id")
+	if err == nil {
+		t.Fatalf("should be fail: %v", err)
+	}
+
+	id, err := getPaginationID("http://example.com?max_id=123", "max_id")
+	if err != nil {
+		t.Fatalf("should not be fail: %v", err)
+	}
+	if id != 123 {
+		t.Fatalf("want %d but %d", 123, id)
+	}
+}
+
+func TestPaginationSetValues(t *testing.T) {
+	p := &Pagination{
+		MaxID:   Int64(123),
+		SinceID: Int64(789),
+		Limit:   Int64(10),
+	}
+	before := url.Values{"key": {"value"}}
+	after := p.setValues(before)
+	if after.Get("key") != "value" {
+		t.Fatalf("want %q but %q", "value", after.Get("key"))
+	}
+	if after.Get("max_id") != "123" {
+		t.Fatalf("want %q but %q", "123", after.Get("max_id"))
+	}
+	if after.Get("since_id") != "789" {
+		t.Fatalf("want %q but %q", "789", after.Get("since_id"))
+	}
+	if after.Get("limit") != "10" {
+		t.Fatalf("want %q but %q", "10", after.Get("limit"))
+	}
+}