diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index 17a5ebde1d..c6915593a1 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -67,6 +67,9 @@ jobs:
           SCW_SECRET_KEY: ${{ secrets.SCW_SECRET_KEY }}
           SCW_DEFAULT_ORGANIZATION_ID: ${{ secrets.SCW_DEFAULT_ORGANIZATION_ID }}
           SCW_DEFAULT_PROJECT_ID: ${{ secrets.SCW_DEFAULT_PROJECT_ID }}
+      - name: Run acceptance test for cassettes
+        if: success() || failure() # If the job is not cancelled, run it regardless of the result of the previous step
+        run: go test -v github.com/scaleway/scaleway-cli/v2/internal/testhelpers -run TestAccCassettes_Validator
       - name: Ping on failure
         if: ${{ failure() }}
         run: |
diff --git a/internal/testhelpers/cassette_validators_test.go b/internal/testhelpers/cassette_validators_test.go
new file mode 100644
index 0000000000..3fe4a326e6
--- /dev/null
+++ b/internal/testhelpers/cassette_validators_test.go
@@ -0,0 +1,118 @@
+package testhelpers_test
+
+import (
+	"encoding/json"
+	"fmt"
+	"io/fs"
+	"net/http"
+	"path/filepath"
+	"strings"
+	"testing"
+
+	"github.com/dnaeon/go-vcr/cassette"
+	"github.com/stretchr/testify/require"
+)
+
+func exceptionsCassettesCases() map[string]struct{} {
+	return map[string]struct{}{
+		"../namespaces/baremetal/v1/testdata/test-reboot-server-errors-error-cannot-be-rebooted-while-not-delivered.cassette.yaml":         {},
+		"../namespaces/baremetal/v1/testdata/test-start-server-errors-error-cannot-be-started-while-not-delivered.cassette.yaml":           {},
+		"../namespaces/baremetal/v1/testdata/test-stop-server-errors-error-cannot-be-stopped-while-not-delivered.cassette.yaml":            {},
+		"../namespaces/init/testdata/test-init-cl-iv2-config-no-prompt-overwrite-for-new-profile.cassette.yaml":                            {},
+		"../namespaces/init/testdata/test-init-cl-iv2-config-prompt-overwrite-for-existing-profile.cassette.yaml":                          {},
+		"../namespaces/init/testdata/test-init-ssh-key-unregistered.cassette.yaml":                                                         {},
+		"../namespaces/init/testdata/test-init-ssh-with-local-ed25519-key.cassette.yaml":                                                   {},
+		"../namespaces/instance/v1/testdata/test-server-update-no-initial-placement-group&-placement-group-id=invalid-pg-id.cassette.yaml": {},
+		"../namespaces/mnq/v1beta1/testdata/test-create-context-with-wrond-id-simple.cassette.yaml":                                        {},
+		"../namespaces/mnq/v1beta1/testdata/test-create-context-with-wrong-id-wrong-account-id.cassette.yaml":                              {},
+		"../namespaces/redis/v1/testdata/test-endpoints-edge-cases-private-endpoint-with-both-attributes-set.cassette.yaml":                {},
+		"../namespaces/redis/v1/testdata/test-endpoints-edge-cases-private-endpoint-with-none-set.cassette.yaml":                           {},
+		"../namespaces/registry/v1/testdata/test-registry-install-docker-helper-command-simple.cassette.yaml":                              {},
+		"../namespaces/registry/v1/testdata/test-registry-install-docker-helper-command-with-profile.cassette.yaml":                        {},
+	}
+}
+
+func fileNameWithoutExtSuffix(fileName string) string {
+	return strings.TrimSuffix(fileName, filepath.Ext(fileName))
+}
+
+// getTestFiles returns a map of cassettes files
+func getTestFiles() (map[string]struct{}, error) {
+	filesMap := make(map[string]struct{})
+	exceptions := exceptionsCassettesCases()
+	err := filepath.WalkDir("../namespaces", func(path string, _ fs.DirEntry, _ error) error {
+		isCassette := strings.Contains(path, "cassette")
+		_, isException := exceptions[path]
+		if isCassette && !isException {
+			filesMap[fileNameWithoutExtSuffix(path)] = struct{}{}
+		}
+		return nil
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	return filesMap, nil
+}
+
+func checkErrCodeExcept(i *cassette.Interaction, c *cassette.Cassette, codes ...int) bool {
+	exceptions := exceptionsCassettesCases()
+	_, isException := exceptions[c.File]
+	if isException {
+		return isException
+	}
+	if i.Response.Code >= 400 {
+		for _, httpCode := range codes {
+			if i.Response.Code == httpCode {
+				return true
+			}
+		}
+		return false
+	}
+	return true
+}
+
+// isTransientStateError checks if the interaction response is a transient state error
+// Transient state error are expected when creating resource linked to each other
+// example:
+// creating a gateway_network will set its public gateway to a transient state
+// when creating 2 gateway_network, one will fail with a transient state error
+// but the transient state error will be caught, it will wait again for the resource to be ready
+func isTransientStateError(i *cassette.Interaction) bool {
+	if i.Response.Code != 409 {
+		return false
+	}
+
+	scwError := struct {
+		Type string `json:"type"`
+	}{}
+
+	err := json.Unmarshal([]byte(i.Response.Body), &scwError)
+	if err != nil {
+		return false
+	}
+
+	return scwError.Type == "transient_state"
+}
+
+func checkErrorCode(c *cassette.Cassette) error {
+	for _, i := range c.Interactions {
+		if !checkErrCodeExcept(i, c, http.StatusNotFound, http.StatusTooManyRequests, http.StatusForbidden, http.StatusGone) &&
+			!isTransientStateError(i) {
+			return fmt.Errorf("status: %v found on %s. method: %s, url %s\nrequest body = %v\nresponse body = %v", i.Response.Code, c.Name, i.Request.Method, i.Request.URL, i.Request.Body, i.Response.Body)
+		}
+	}
+
+	return nil
+}
+
+func TestAccCassettes_Validator(t *testing.T) {
+	paths, err := getTestFiles()
+	require.NoError(t, err)
+
+	for path := range paths {
+		c, err := cassette.Load(path)
+		require.NoError(t, err)
+		require.NoError(t, checkErrorCode(c))
+	}
+}