diff --git a/observatory_test.go b/observatory_test.go
index fa897141d04..16c2a70231e 100644
--- a/observatory_test.go
+++ b/observatory_test.go
@@ -224,7 +224,7 @@ func TestObservatoryPageTrend(t *testing.T) {
 			}
 		`)
 	}
-	mux.HandleFunc("/zones/"+testZoneID+"/speed_api/pages/"+testURL+"/trend", handler)
+	mux.HandleFunc("/zones/"+testZoneID+"/speed_api/pages/"+escapedTestURL+"/trend", handler)
 	want := ObservatoryPageTrend{
 		PerformanceScore: []*int{nil, IntPtr(100)},
 		TTFB:             []*int{nil, IntPtr(10)},
@@ -268,7 +268,7 @@ func TestListObservatoryPageTests(t *testing.T) {
 			}
 		`, pageTestJSON)
 	}
-	mux.HandleFunc("/zones/"+testZoneID+"/speed_api/pages/"+testURL+"/tests", handler)
+	mux.HandleFunc("/zones/"+testZoneID+"/speed_api/pages/"+escapedTestURL+"/tests", handler)
 	want := []ObservatoryPageTest{
 		pageTest,
 	}
@@ -304,7 +304,7 @@ func TestCreateObservatoryPageTest(t *testing.T) {
 			}
 		`, pageTestJSON)
 	}
-	mux.HandleFunc("/zones/"+testZoneID+"/speed_api/pages/"+testURL+"/tests", handler)
+	mux.HandleFunc("/zones/"+testZoneID+"/speed_api/pages/"+escapedTestURL+"/tests", handler)
 	want := pageTest
 	test, err := client.CreateObservatoryPageTest(context.Background(), ZoneIdentifier(testZoneID), CreateObservatoryPageTestParams{
 		URL: testURL,
@@ -336,7 +336,7 @@ func TestDeleteObservatoryPageTests(t *testing.T) {
 			}
 		`)
 	}
-	mux.HandleFunc("/zones/"+testZoneID+"/speed_api/pages/"+testURL+"/tests", handler)
+	mux.HandleFunc("/zones/"+testZoneID+"/speed_api/pages/"+escapedTestURL+"/tests", handler)
 	want := 2
 	count, err := client.DeleteObservatoryPageTests(context.Background(), ZoneIdentifier(testZoneID), DeleteObservatoryPageTestsParams{
 		URL:    testURL,
@@ -364,7 +364,7 @@ func TestGetObservatoryPageTest(t *testing.T) {
 			}
 		`, pageTestJSON)
 	}
-	mux.HandleFunc("/zones/"+testZoneID+"/speed_api/pages/"+testURL+"/tests/"+observatoryTestID, handler)
+	mux.HandleFunc("/zones/"+testZoneID+"/speed_api/pages/"+escapedTestURL+"/tests/"+observatoryTestID, handler)
 	want := pageTest
 	test, err := client.GetObservatoryPageTest(context.Background(), ZoneIdentifier(testZoneID), GetObservatoryPageTestParams{
 		TestID: observatoryTestID,
@@ -393,7 +393,7 @@ func TestCreateObservatoryScheduledPageTest(t *testing.T) {
 			}
 		`, scheduledPageTestJSON)
 	}
-	mux.HandleFunc("/zones/"+testZoneID+"/speed_api/schedule/"+testURL, handler)
+	mux.HandleFunc("/zones/"+testZoneID+"/speed_api/schedule/"+escapedTestURL, handler)
 	want := scheduledPageTest
 	pages, err := client.CreateObservatoryScheduledPageTest(context.Background(), ZoneIdentifier(testZoneID), CreateObservatoryScheduledPageTestParams{
 		Frequency: frequency,
@@ -422,7 +422,7 @@ func TestObservatoryScheduledPageTest(t *testing.T) {
 			}
 		`, scheduleJSON)
 	}
-	mux.HandleFunc("/zones/"+testZoneID+"/speed_api/schedule/"+testURL, handler)
+	mux.HandleFunc("/zones/"+testZoneID+"/speed_api/schedule/"+escapedTestURL, handler)
 	want := schedule
 	schedule, err := client.GetObservatoryScheduledPageTest(context.Background(), ZoneIdentifier(testZoneID), GetObservatoryScheduledPageTestParams{
 		URL:    testURL,
@@ -446,13 +446,13 @@ func TestDeleteObservatoryScheduledPageTest(t *testing.T) {
 			  "success": true,
 			  "errors": [],
 			  "messages": [],
-			  "result": { 
+			  "result": {
                 "count": 2
               }
 			}
 		`)
 	}
-	mux.HandleFunc("/zones/"+testZoneID+"/speed_api/schedule/"+testURL, handler)
+	mux.HandleFunc("/zones/"+testZoneID+"/speed_api/schedule/"+escapedTestURL, handler)
 	want := 2
 	count, err := client.DeleteObservatoryScheduledPageTest(context.Background(), ZoneIdentifier(testZoneID), DeleteObservatoryScheduledPageTestParams{
 		URL:    testURL,
diff --git a/pages_project.go b/pages_project.go
index 202846158a6..34efdc73c24 100644
--- a/pages_project.go
+++ b/pages_project.go
@@ -4,6 +4,7 @@ import (
 	"context"
 	"fmt"
 	"net/http"
+	"net/url"
 	"time"
 
 	"github.com/goccy/go-json"
@@ -254,7 +255,7 @@ func (api *API) GetPagesProject(ctx context.Context, rc *ResourceContainer, proj
 		return PagesProject{}, ErrMissingAccountID
 	}
 
-	uri := fmt.Sprintf("/accounts/%s/pages/projects/%s", rc.Identifier, projectName)
+	uri := fmt.Sprintf("/accounts/%s/pages/projects/%s", rc.Identifier, url.PathEscape(projectName))
 	res, err := api.makeRequestContext(ctx, http.MethodGet, uri, nil)
 	if err != nil {
 		return PagesProject{}, err
@@ -299,7 +300,7 @@ func (api *API) UpdatePagesProject(ctx context.Context, rc *ResourceContainer, p
 		return PagesProject{}, ErrMissingIdentifier
 	}
 
-	uri := fmt.Sprintf("/accounts/%s/pages/projects/%s", rc.Identifier, params.ID)
+	uri := fmt.Sprintf("/accounts/%s/pages/projects/%s", rc.Identifier, url.PathEscape(params.ID))
 	res, err := api.makeRequestContext(ctx, http.MethodPatch, uri, params)
 	if err != nil {
 		return PagesProject{}, err
@@ -319,7 +320,7 @@ func (api *API) DeletePagesProject(ctx context.Context, rc *ResourceContainer, p
 	if rc.Identifier == "" {
 		return ErrMissingAccountID
 	}
-	uri := fmt.Sprintf("/accounts/%s/pages/projects/%s", rc.Identifier, projectName)
+	uri := fmt.Sprintf("/accounts/%s/pages/projects/%s", rc.Identifier, url.PathEscape(projectName))
 	res, err := api.makeRequestContext(ctx, http.MethodDelete, uri, nil)
 	if err != nil {
 		return err
diff --git a/pages_project_test.go b/pages_project_test.go
index 49861c06944..88cb7c6709e 100644
--- a/pages_project_test.go
+++ b/pages_project_test.go
@@ -554,7 +554,7 @@ func TestPagesProject(t *testing.T) {
         }`, testPagesProjectResponse)
 	}
 
-	mux.HandleFunc("/accounts/"+testAccountID+"/pages/projects/Test Pages Project", handler)
+	mux.HandleFunc("/accounts/"+testAccountID+"/pages/projects/Test%20Pages%20Project", handler)
 
 	_, err := client.GetPagesProject(context.Background(), AccountIdentifier(""), "Test Pages Project")
 	if assert.Error(t, err) {
@@ -631,7 +631,7 @@ func TestUpdatePagesProject(t *testing.T) {
         }`, testPagesProjectResponse)
 	}
 
-	mux.HandleFunc("/accounts/"+testAccountID+"/pages/projects/Test Pages Project", handler)
+	mux.HandleFunc("/accounts/"+testAccountID+"/pages/projects/Test%20Pages%20Project", handler)
 
 	_, err := client.UpdatePagesProject(context.Background(), AccountIdentifier(""), *updateAttributes)
 	if assert.Error(t, err) {
@@ -659,7 +659,7 @@ func TestDeletePagesProject(t *testing.T) {
         }`)
 	}
 
-	mux.HandleFunc("/accounts/"+testAccountID+"/pages/projects/Test Pages Project", handler)
+	mux.HandleFunc("/accounts/"+testAccountID+"/pages/projects/Test%20Pages%20Project", handler)
 
 	err := client.DeletePagesProject(context.Background(), AccountIdentifier(""), "Test Pages Project")
 	if assert.Error(t, err) {
diff --git a/tunnel_routes_test.go b/tunnel_routes_test.go
index b9583bd115d..17a91f4f806 100644
--- a/tunnel_routes_test.go
+++ b/tunnel_routes_test.go
@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"io"
 	"net/http"
+	"net/url"
 	"testing"
 	"time"
 
@@ -82,7 +83,7 @@ func TestTunnelRouteForIP(t *testing.T) {
           }`)
 	}
 
-	mux.HandleFunc("/accounts/"+testAccountID+"/teamnet/routes/ip/10.1.0.137", handler)
+	mux.HandleFunc("/accounts/"+testAccountID+"/teamnet/routes/ip/"+url.PathEscape("10.1.0.137"), handler)
 
 	ts, _ := time.Parse(time.RFC3339Nano, "2021-01-25T18:22:34.317854Z")
 	want := TunnelRoute{
@@ -125,7 +126,7 @@ func TestCreateTunnelRoute(t *testing.T) {
           }`)
 	}
 
-	mux.HandleFunc("/accounts/"+testAccountID+"/teamnet/routes/network/10.0.0.0/16", handler)
+	mux.HandleFunc("/accounts/"+testAccountID+"/teamnet/routes/network/"+url.PathEscape("10.0.0.0/16"), handler)
 
 	ts, _ := time.Parse(time.RFC3339Nano, "2021-01-25T18:22:34.317854Z")
 	want := TunnelRoute{
@@ -184,7 +185,7 @@ func TestUpdateTunnelRoute(t *testing.T) {
 		VirtualNetworkID: "9f322de4-5988-4945-b770-f1d6ac200f86",
 	}
 
-	mux.HandleFunc("/accounts/"+testAccountID+"/teamnet/routes/network/10.0.0.0/16", handler)
+	mux.HandleFunc("/accounts/"+testAccountID+"/teamnet/routes/network/"+url.PathEscape("10.0.0.0/16"), handler)
 	tunnel, err := client.UpdateTunnelRoute(context.Background(), AccountIdentifier(testAccountID), TunnelRoutesUpdateParams{TunnelID: testTunnelID, Network: "10.0.0.0/16", Comment: "foo", VirtualNetworkID: "9f322de4-5988-4945-b770-f1d6ac200f86"})
 
 	if assert.NoError(t, err) {
@@ -216,7 +217,7 @@ func TestDeleteTunnelRoute(t *testing.T) {
           }`)
 	}
 
-	mux.HandleFunc("/accounts/"+testAccountID+"/teamnet/routes/network/10.0.0.0/16", handler)
+	mux.HandleFunc("/accounts/"+testAccountID+"/teamnet/routes/network/"+url.PathEscape("10.0.0.0/16"), handler)
 	err := client.DeleteTunnelRoute(context.Background(), AccountIdentifier(testAccountID), TunnelRoutesDeleteParams{Network: "10.0.0.0/16", VirtualNetworkID: "9f322de4-5988-4945-b770-f1d6ac200f86"})
 	assert.NoError(t, err)
 }