diff --git a/scw/client.go b/scw/client.go
index 91d90119b..0bdb13bca 100644
--- a/scw/client.go
+++ b/scw/client.go
@@ -28,6 +28,7 @@ type Client struct {
 	apiURL                string
 	userAgent             string
 	defaultOrganizationID *string
+	defaultProjectID      *string
 	defaultRegion         *Region
 	defaultZone           *Zone
 	defaultPageSize       *uint32
@@ -76,6 +77,7 @@ func NewClient(opts ...ClientOption) (*Client, error) {
 		apiURL:                s.apiURL,
 		userAgent:             s.userAgent,
 		defaultOrganizationID: s.defaultOrganizationID,
+		defaultProjectID:      s.defaultProjectID,
 		defaultRegion:         s.defaultRegion,
 		defaultZone:           s.defaultZone,
 		defaultPageSize:       s.defaultPageSize,
@@ -92,6 +94,16 @@ func (c *Client) GetDefaultOrganizationID() (organizationID string, exists bool)
 	return "", false
 }
 
+// GetDefaultProjectID returns the default project ID
+// of the client. This value can be set in the client option
+// WithDefaultProjectID(). Be aware this value can be empty.
+func (c *Client) GetDefaultProjectID() (projectID string, exists bool) {
+	if c.defaultProjectID != nil {
+		return *c.defaultProjectID, true
+	}
+	return "", false
+}
+
 // GetDefaultRegion returns the default region of the client.
 // This value can be set in the client option
 // WithDefaultRegion(). Be aware this value can be empty.
diff --git a/scw/client_option.go b/scw/client_option.go
index bb3753455..f01b37400 100644
--- a/scw/client_option.go
+++ b/scw/client_option.go
@@ -94,6 +94,11 @@ func WithProfile(p *Profile) ClientOption {
 			s.defaultOrganizationID = &organizationID
 		}
 
+		if p.DefaultProjectID != nil {
+			projectID := *p.DefaultProjectID
+			s.defaultProjectID = &projectID
+		}
+
 		if p.DefaultRegion != nil {
 			defaultRegion := Region(*p.DefaultRegion)
 			s.defaultRegion = &defaultRegion
@@ -120,6 +125,15 @@ func WithDefaultOrganizationID(organizationID string) ClientOption {
 	}
 }
 
+// WithDefaultProjectID client option sets the client default project ID.
+//
+// It will be used as the default value of the projectID field in all requests made with this client.
+func WithDefaultProjectID(projectID string) ClientOption {
+	return func(s *settings) {
+		s.defaultProjectID = &projectID
+	}
+}
+
 // WithDefaultRegion client option sets the client default region.
 //
 // It will be used as the default value of the region field in all requests made with this client.
@@ -155,6 +169,7 @@ type settings struct {
 	httpClient            httpClient
 	insecure              bool
 	defaultOrganizationID *string
+	defaultProjectID      *string
 	defaultRegion         *Region
 	defaultZone           *Zone
 	defaultPageSize       *uint32
@@ -201,6 +216,16 @@ func (s *settings) validate() error {
 		}
 	}
 
+	// Default Project ID.
+	if s.defaultProjectID != nil {
+		if *s.defaultProjectID == "" {
+			return NewInvalidClientOptionError("default project ID cannot be empty")
+		}
+		if !validation.IsProjectID(*s.defaultProjectID) {
+			return NewInvalidClientOptionError("invalid project ID format '%s', expected a UUID: xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx", *s.defaultProjectID)
+		}
+	}
+
 	// Default Region.
 	if s.defaultRegion != nil {
 		if *s.defaultRegion == "" {
diff --git a/scw/client_option_test.go b/scw/client_option_test.go
index 534019ea6..ffa07134f 100644
--- a/scw/client_option_test.go
+++ b/scw/client_option_test.go
@@ -11,6 +11,7 @@ import (
 
 var (
 	defaultOrganizationID = "6170692e-7363-616c-6577-61792e636f6d" // hint: | xxd -ps -r
+	defaultProjectID      = "6170692e-7363-616c-6577-61792e636f6d" // hint: | xxd -ps -r
 	defaultRegion         = RegionNlAms
 	defaultZone           = ZoneNlAms1
 )
@@ -27,6 +28,7 @@ func TestClientOptions(t *testing.T) {
 				s.token = auth.NewToken(v2ValidAccessKey, v2ValidSecretKey)
 				s.apiURL = v2ValidAPIURL
 				s.defaultOrganizationID = &defaultOrganizationID
+				s.defaultProjectID = &defaultProjectID
 				s.defaultRegion = &defaultRegion
 				s.defaultZone = &defaultZone
 			},
@@ -83,6 +85,22 @@ func TestClientOptions(t *testing.T) {
 			},
 			errStr: "scaleway-sdk-go: invalid organization ID format 'invalid', expected a UUID: xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
 		},
+		{
+			name: "Should throw an empty project ID error",
+			clientOption: func(s *settings) {
+				s.token = auth.NewToken(v2ValidAccessKey, v2ValidSecretKey)
+				s.defaultProjectID = StringPtr("")
+			},
+			errStr: "scaleway-sdk-go: default project ID cannot be empty",
+		},
+		{
+			name: "Should throw a bad project ID error",
+			clientOption: func(s *settings) {
+				s.token = auth.NewToken(v2ValidAccessKey, v2ValidSecretKey)
+				s.defaultProjectID = StringPtr(v2InvalidDefaultProjectID)
+			},
+			errStr: "scaleway-sdk-go: invalid project ID format 'invalid', expected a UUID: xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
+		},
 		{
 			name: "Should throw a region error",
 			clientOption: func(s *settings) {
@@ -153,6 +171,7 @@ func TestCombinedClientOptions(t *testing.T) {
 		expectedSecretKey             string
 		expectedAPIURL                string
 		expectedDefaultOrganizationID *string
+		expectedDefaultProjectID      *string
 		expectedDefaultRegion         *Region
 		expectedDefaultZone           *Zone
 	}{
@@ -164,6 +183,7 @@ func TestCombinedClientOptions(t *testing.T) {
 				ScwSecretKeyEnv:             v2ValidSecretKey2,
 				ScwAPIURLEnv:                v2ValidAPIURL2,
 				ScwDefaultOrganizationIDEnv: v2ValidDefaultOrganizationID2,
+				ScwDefaultProjectIDEnv:      v2ValidDefaultProjectID2,
 				ScwDefaultRegionEnv:         v2ValidDefaultRegion2,
 				ScwDefaultZoneEnv:           v2ValidDefaultZone2,
 			},
@@ -174,6 +194,7 @@ func TestCombinedClientOptions(t *testing.T) {
 			expectedSecretKey:             v2ValidSecretKey2,
 			expectedAPIURL:                v2ValidAPIURL2,
 			expectedDefaultOrganizationID: s(v2ValidDefaultOrganizationID2),
+			expectedDefaultProjectID:      s(v2ValidDefaultProjectID2),
 			expectedDefaultRegion:         r(Region(v2ValidDefaultRegion2)),
 			expectedDefaultZone:           z(Zone(v2ValidDefaultZone2)),
 		},
@@ -186,6 +207,7 @@ func TestCombinedClientOptions(t *testing.T) {
 				ScwSecretKeyEnv:             v2ValidSecretKey,
 				ScwAPIURLEnv:                v2ValidAPIURL,
 				ScwDefaultOrganizationIDEnv: v2ValidDefaultOrganizationID,
+				ScwDefaultProjectIDEnv:      v2ValidDefaultProjectID,
 				ScwDefaultRegionEnv:         v2ValidDefaultRegion,
 				ScwDefaultZoneEnv:           v2ValidDefaultZone,
 			},
@@ -196,6 +218,7 @@ func TestCombinedClientOptions(t *testing.T) {
 			expectedSecretKey:             v2ValidSecretKey,
 			expectedAPIURL:                v2ValidAPIURL,
 			expectedDefaultOrganizationID: s(v2ValidDefaultOrganizationID),
+			expectedDefaultProjectID:      s(v2ValidDefaultProjectID),
 			expectedDefaultRegion:         r(Region(v2ValidDefaultRegion)),
 			expectedDefaultZone:           z(Zone(v2ValidDefaultZone)),
 		},
@@ -230,6 +253,7 @@ func TestCombinedClientOptions(t *testing.T) {
 				testhelpers.Equals(t, test.expectedSecretKey, client.auth.(*auth.Token).SecretKey)
 				testhelpers.Equals(t, test.expectedAPIURL, client.apiURL)
 				testhelpers.Equals(t, test.expectedDefaultOrganizationID, client.defaultOrganizationID)
+				testhelpers.Equals(t, test.expectedDefaultProjectID, client.defaultProjectID)
 				testhelpers.Equals(t, test.expectedDefaultRegion, client.defaultRegion)
 				testhelpers.Equals(t, test.expectedDefaultZone, client.defaultZone)
 				// skip insecure tests
diff --git a/scw/client_test.go b/scw/client_test.go
index b19e5faa3..41eda81b3 100644
--- a/scw/client_test.go
+++ b/scw/client_test.go
@@ -18,6 +18,7 @@ const (
 	testAccessKey             = "SCW1234567890ABCDEFG"
 	testSecretKey             = "7363616c-6577-6573-6862-6f7579616161" // hint: | xxd -ps -r
 	testDefaultOrganizationID = "6170692e-7363-616c-6577-61792e636f6d" // hint: | xxd -ps -r
+	testDefaultProjectID      = "6170692e-7363-616c-6577-61792e636f6e"
 	testDefaultRegion         = RegionFrPar
 	testDefaultZone           = ZoneFrPar1
 	testDefaultPageSize       = uint32(5)
@@ -60,6 +61,7 @@ func TestNewClientWithOptions(t *testing.T) {
 			WithAuth(testAccessKey, testSecretKey),
 			WithHTTPClient(someHTTPClient),
 			WithDefaultOrganizationID(testDefaultOrganizationID),
+			WithDefaultProjectID(testDefaultProjectID),
 			WithDefaultRegion(testDefaultRegion),
 			WithDefaultZone(testDefaultZone),
 			WithDefaultPageSize(testDefaultPageSize),
@@ -77,6 +79,10 @@ func TestNewClientWithOptions(t *testing.T) {
 		testhelpers.Equals(t, testDefaultOrganizationID, defaultOrganizationID)
 		testhelpers.Assert(t, exist, "defaultOrganizationID must exist")
 
+		defaultProjectID, exist := client.GetDefaultProjectID()
+		testhelpers.Equals(t, testDefaultProjectID, defaultProjectID)
+		testhelpers.Assert(t, exist, "defaultProjectID must exist")
+
 		defaultRegion, exist := client.GetDefaultRegion()
 		testhelpers.Equals(t, testDefaultRegion, defaultRegion)
 		testhelpers.Assert(t, exist, "defaultRegion must exist")
@@ -105,6 +111,7 @@ func TestNewClientWithOptions(t *testing.T) {
 			s(testAPIURL),
 			b(testInsecure),
 			s(testDefaultOrganizationID),
+			s(testDefaultProjectID),
 			s(string(testDefaultRegion)),
 			s(string(testDefaultZone)),
 			b(true),
@@ -125,6 +132,10 @@ func TestNewClientWithOptions(t *testing.T) {
 		testhelpers.Equals(t, testDefaultOrganizationID, defaultOrganizationID)
 		testhelpers.Assert(t, exist, "defaultOrganizationID must exist")
 
+		defaultProjectID, exist := client.GetDefaultProjectID()
+		testhelpers.Equals(t, testDefaultProjectID, defaultProjectID)
+		testhelpers.Assert(t, exist, "defaultProjectID must exist")
+
 		defaultRegion, exist := client.GetDefaultRegion()
 		testhelpers.Equals(t, testDefaultRegion, defaultRegion)
 		testhelpers.Assert(t, exist, "defaultRegion must exist")
diff --git a/scw/config.go b/scw/config.go
index fd6ee216e..59cd95f71 100644
--- a/scw/config.go
+++ b/scw/config.go
@@ -39,6 +39,9 @@ const configFileTemplate = `# Scaleway configuration file
 # Your organization ID is the identifier of your account inside Scaleway infrastructure.
 {{ if .DefaultOrganizationID }}default_organization_id: {{ .DefaultOrganizationID }}{{ else }}# default_organization_id: 11111111-1111-1111-1111-111111111111{{ end }}
 
+# Your project ID is the identifier of the project your resources are attached to (beta).
+{{ if .DefaultProjectID }}default_project_id: {{ .DefaultProjectID }}{{ else }}# default_project_id: 11111111-1111-1111-1111-111111111111{{ end }}
+
 # A region is represented as a geographical area such as France (Paris) or the Netherlands (Amsterdam).
 # It can contain multiple availability zones.
 # Example of region: fr-par, nl-ams
@@ -81,6 +84,7 @@ profiles:
     {{ if $v.AccessKey }}access_key: {{ $v.AccessKey }}{{ else }}# access_key: SCW11111111111111111{{ end }}
     {{ if $v.SecretKey }}secret_key: {{ $v.SecretKey }}{{ else }}# secret_key: 11111111-1111-1111-1111-111111111111{{ end }}
     {{ if $v.DefaultOrganizationID }}default_organization_id: {{ $v.DefaultOrganizationID }}{{ else }}# default_organization_id: 11111111-1111-1111-1111-111111111111{{ end }}
+    {{ if $v.DefaultProjectID }}default_project_id: {{ $v.DefaultProjectID }}{{ else }}# default_project_id: 11111111-1111-1111-1111-111111111111{{ end }}
     {{ if $v.DefaultZone }}default_zone: {{ $v.DefaultZone }}{{ else }}# default_zone: fr-par-1{{ end }}
     {{ if $v.DefaultRegion }}default_region: {{ $v.DefaultRegion }}{{ else }}# default_region: fr-par{{ end }}
     {{ if $v.APIURL }}api_url: {{ $v.APIURL }}{{ else }}# api_url: https://api.scaleway.com{{ end }}
@@ -91,7 +95,8 @@ profiles:
 #   myProfile:
 #     access_key: 11111111-1111-1111-1111-111111111111
 #     secret_key: 11111111-1111-1111-1111-111111111111
-#     organization_id: 11111111-1111-1111-1111-111111111111
+#     default_organization_id: 11111111-1111-1111-1111-111111111111
+#     default_project_id: 11111111-1111-1111-1111-111111111111
 #     default_zone: fr-par-1
 #     default_region: fr-par
 #     api_url: https://api.scaleway.com
@@ -111,6 +116,7 @@ type Profile struct {
 	APIURL                *string `yaml:"api_url,omitempty"`
 	Insecure              *bool   `yaml:"insecure,omitempty"`
 	DefaultOrganizationID *string `yaml:"default_organization_id,omitempty"`
+	DefaultProjectID      *string `yaml:"default_project_id,omitempty"`
 	DefaultRegion         *string `yaml:"default_region,omitempty"`
 	DefaultZone           *string `yaml:"default_zone,omitempty"`
 	SendTelemetry         *bool   `yaml:"send_telemetry,omitempty"`
@@ -294,6 +300,7 @@ func MergeProfiles(original *Profile, others ...*Profile) *Profile {
 		APIURL:                original.APIURL,
 		Insecure:              original.Insecure,
 		DefaultOrganizationID: original.DefaultOrganizationID,
+		DefaultProjectID:      original.DefaultProjectID,
 		DefaultRegion:         original.DefaultRegion,
 		DefaultZone:           original.DefaultZone,
 	}
@@ -314,6 +321,9 @@ func MergeProfiles(original *Profile, others ...*Profile) *Profile {
 		if other.DefaultOrganizationID != nil {
 			np.DefaultOrganizationID = other.DefaultOrganizationID
 		}
+		if other.DefaultProjectID != nil {
+			np.DefaultProjectID = other.DefaultProjectID
+		}
 		if other.DefaultRegion != nil {
 			np.DefaultRegion = other.DefaultRegion
 		}
diff --git a/scw/config_legacy.go b/scw/config_legacy.go
index e914fac26..9a81df685 100644
--- a/scw/config_legacy.go
+++ b/scw/config_legacy.go
@@ -36,6 +36,7 @@ func (v1 *configV1) toV2() *Config {
 	return &Config{
 		Profile: Profile{
 			DefaultOrganizationID: &v1.Organization,
+			DefaultProjectID:      &v1.Organization, // v1 config is not aware of project, so default project is set to organization ID
 			SecretKey:             &v1.Token,
 			// ignore v1 version
 		},
diff --git a/scw/config_test.go b/scw/config_test.go
index 51f60819d..d704b0e47 100644
--- a/scw/config_test.go
+++ b/scw/config_test.go
@@ -21,6 +21,7 @@ var (
 	v2ValidInsecure2              = "true"
 	v2ValidSendTelemetry2         = "true"
 	v2ValidDefaultOrganizationID2 = "6d6f7264-6f72-6772-6561-74616761696e" // hint: | xxd -ps -r
+	v2ValidDefaultProjectID2      = "6d6f7264-6f72-6772-6561-74616761696f"
 	v2ValidDefaultRegion2         = string(RegionFrPar)
 	v2ValidDefaultZone2           = string(ZoneFrPar2)
 
@@ -30,6 +31,7 @@ var (
 	v2ValidInsecure              = "false"
 	v2ValidSendTelemetry         = "true"
 	v2ValidDefaultOrganizationID = "6170692e-7363-616c-6577-61792e636f6d" // hint: | xxd -ps -r
+	v2ValidDefaultProjectID      = "6170692e-7363-616c-6577-61792e636f6e"
 	v2ValidDefaultRegion         = string(RegionNlAms)
 	v2ValidDefaultZone           = string(ZoneNlAms1)
 	v2ValidProfile               = "flantier"
@@ -37,6 +39,7 @@ var (
 	v2InvalidAccessKey             = "invalid"
 	v2InvalidSecretKey             = "invalid"
 	v2InvalidDefaultOrganizationID = "invalid"
+	v2InvalidDefaultProjectID      = "invalid"
 	v2InvalidDefaultRegion         = "invalid"
 	v2InvalidDefaultZone           = "invalid"
 
@@ -45,6 +48,7 @@ var (
 			AccessKey:             &v2ValidAccessKey,
 			SecretKey:             &v2ValidSecretKey,
 			DefaultOrganizationID: &v2ValidDefaultOrganizationID,
+			DefaultProjectID:      &v2ValidDefaultProjectID,
 			DefaultRegion:         &v2ValidDefaultRegion,
 		},
 	}
@@ -54,6 +58,7 @@ secret_key: ` + v2ValidSecretKey + `
 api_url: ` + v2ValidAPIURL + `
 insecure: ` + v2ValidInsecure + `
 default_organization_id: ` + v2ValidDefaultOrganizationID + `
+default_project_id: ` + v2ValidDefaultProjectID + `
 default_region: ` + v2ValidDefaultRegion + `
 default_zone: ` + v2ValidDefaultZone
 
@@ -66,6 +71,7 @@ profiles:
     insecure: ` + v2ValidInsecure2 + `
     send_telemetry: ` + v2ValidSendTelemetry2 + `
     default_organization_id: ` + v2ValidDefaultOrganizationID2 + `
+    default_project_id: ` + v2ValidDefaultProjectID2 + `
     default_region: ` + v2ValidDefaultRegion2 + `
     default_zone: ` + v2ValidDefaultZone2 + `
 `
@@ -77,6 +83,7 @@ api_url: ` + v2ValidAPIURL + `
 insecure: ` + v2ValidInsecure + `
 send_telemetry: ` + v2ValidSendTelemetry2 + `
 default_organization_id: ` + v2ValidDefaultOrganizationID + `
+default_project_id: ` + v2ValidDefaultProjectID + `
 default_region: ` + v2ValidDefaultRegion + `
 default_zone: ` + v2ValidDefaultZone + `
 active_profile: ` + v2ValidProfile + `
@@ -87,6 +94,7 @@ profiles:
     api_url: ` + v2ValidAPIURL2 + `
     insecure: ` + v2ValidInsecure2 + `
     default_organization_id: ` + v2ValidDefaultOrganizationID2 + `
+    default_project_id: ` + v2ValidDefaultProjectID2 + `
     default_region: ` + v2ValidDefaultRegion2 + `
     default_zone: ` + v2ValidDefaultZone2 + `
 `
@@ -98,6 +106,7 @@ api_url: ` + v2ValidAPIURL + `
 insecure: ` + v2ValidInsecure + `
 send_telemetry: ` + v2ValidSendTelemetry + `
 default_organization_id: ` + v2ValidDefaultOrganizationID + `
+default_project_id: ` + v2ValidDefaultProjectID + `
 default_region: ` + v2ValidDefaultRegion + `
 default_zone: ` + v2ValidDefaultZone + `
 active_profile: ` + v2ValidProfile + `
@@ -111,6 +120,7 @@ profiles:
 access_key: ` + v2ValidAccessKey + `
 secret_key: ` + v2ValidSecretKey + `
 default_organization_id: ` + v2ValidDefaultOrganizationID + `
+default_project_id: ` + v2ValidDefaultProjectID + `
 default_region: ` + v2ValidDefaultRegion + `
 `
 
@@ -119,6 +129,7 @@ default_region: ` + v2ValidDefaultRegion + `
 
 	v2FromV1ConfigFile = `secret_key: ` + v1ValidToken + `
 default_organization_id: ` + v1ValidOrganizationID + `
+default_project_id: ` + v1ValidOrganizationID + `
 `
 )
 
@@ -146,6 +157,7 @@ func TestSaveConfig(t *testing.T) {
 					AccessKey:             s(v2ValidAccessKey),
 					SecretKey:             s(v2ValidSecretKey),
 					DefaultOrganizationID: s(v2ValidDefaultOrganizationID),
+					DefaultProjectID:      s(v2ValidDefaultProjectID),
 					DefaultRegion:         s(v2ValidDefaultRegion),
 				},
 			},
@@ -163,6 +175,7 @@ func TestSaveConfig(t *testing.T) {
 					AccessKey:             s(v2ValidAccessKey),
 					SecretKey:             s(v2ValidSecretKey),
 					DefaultOrganizationID: s(v2ValidDefaultOrganizationID),
+					DefaultProjectID:      s(v2ValidDefaultProjectID),
 					DefaultRegion:         s(v2ValidDefaultRegion),
 				},
 			},
@@ -204,6 +217,7 @@ func TestSaveConfig(t *testing.T) {
 					APIURL:                s(v2ValidAPIURL2),
 					Insecure:              b(true),
 					DefaultOrganizationID: s(v2ValidDefaultOrganizationID2),
+					DefaultProjectID:      s(v2ValidDefaultProjectID2),
 					DefaultRegion:         s(v2ValidDefaultRegion2),
 					DefaultZone:           s(v2ValidDefaultZone2),
 				}}
@@ -259,6 +273,7 @@ func TestLoadProfileAndActiveProfile(t *testing.T) {
 		expectedInsecure              *bool
 		expectedSendTelemetry         *bool
 		expectedDefaultOrganizationID *string
+		expectedDefaultProjectID      *string
 		expectedDefaultRegion         *string
 		expectedDefaultZone           *string
 	}{
@@ -294,6 +309,7 @@ func TestLoadProfileAndActiveProfile(t *testing.T) {
 			expectedAccessKey:             s(v2ValidAccessKey),
 			expectedSecretKey:             s(v2ValidSecretKey),
 			expectedDefaultOrganizationID: s(v2ValidDefaultOrganizationID),
+			expectedDefaultProjectID:      s(v2ValidDefaultProjectID),
 			expectedDefaultRegion:         s(v2ValidDefaultRegion),
 		},
 		{
@@ -307,6 +323,7 @@ func TestLoadProfileAndActiveProfile(t *testing.T) {
 			expectedAccessKey:             s(v2ValidAccessKey),
 			expectedSecretKey:             s(v2ValidSecretKey),
 			expectedDefaultOrganizationID: s(v2ValidDefaultOrganizationID),
+			expectedDefaultProjectID:      s(v2ValidDefaultProjectID),
 			expectedDefaultRegion:         s(v2ValidDefaultRegion),
 		},
 		{
@@ -320,6 +337,7 @@ func TestLoadProfileAndActiveProfile(t *testing.T) {
 			isMigrated:                    true,
 			expectedSecretKey:             s(v1ValidToken),
 			expectedDefaultOrganizationID: s(v1ValidOrganizationID),
+			expectedDefaultProjectID:      s(v1ValidOrganizationID),
 		},
 		{
 			name: "Simple config with valid V2 and valid V1",
@@ -333,6 +351,7 @@ func TestLoadProfileAndActiveProfile(t *testing.T) {
 			expectedAccessKey:             s(v2ValidAccessKey),
 			expectedSecretKey:             s(v2ValidSecretKey),
 			expectedDefaultOrganizationID: s(v2ValidDefaultOrganizationID),
+			expectedDefaultProjectID:      s(v2ValidDefaultProjectID),
 			expectedDefaultRegion:         s(v2ValidDefaultRegion),
 		},
 		{
@@ -348,6 +367,7 @@ func TestLoadProfileAndActiveProfile(t *testing.T) {
 			expectedAPIURL:                s(v2ValidAPIURL),
 			expectedInsecure:              b(false),
 			expectedDefaultOrganizationID: s(v2ValidDefaultOrganizationID),
+			expectedDefaultProjectID:      s(v2ValidDefaultProjectID),
 			expectedDefaultRegion:         s(v2ValidDefaultRegion),
 			expectedDefaultZone:           s(v2ValidDefaultZone),
 		},
@@ -364,6 +384,7 @@ func TestLoadProfileAndActiveProfile(t *testing.T) {
 			expectedAPIURL:                s(v2ValidAPIURL2),
 			expectedInsecure:              b(true),
 			expectedDefaultOrganizationID: s(v2ValidDefaultOrganizationID2),
+			expectedDefaultProjectID:      s(v2ValidDefaultProjectID2),
 			expectedDefaultRegion:         s(v2ValidDefaultRegion2),
 			expectedDefaultZone:           s(v2ValidDefaultZone2),
 			expectedSendTelemetry:         b(true),
@@ -381,6 +402,7 @@ func TestLoadProfileAndActiveProfile(t *testing.T) {
 			expectedAPIURL:                s(v2ValidAPIURL),
 			expectedInsecure:              b(false),
 			expectedDefaultOrganizationID: s(v2ValidDefaultOrganizationID),
+			expectedDefaultProjectID:      s(v2ValidDefaultProjectID),
 			expectedDefaultRegion:         s(v2ValidDefaultRegion),
 			expectedDefaultZone:           s(v2ValidDefaultZone),
 			expectedSendTelemetry:         b(true),
@@ -399,6 +421,7 @@ func TestLoadProfileAndActiveProfile(t *testing.T) {
 			expectedAPIURL:                s(v2ValidAPIURL2),
 			expectedInsecure:              b(true),
 			expectedDefaultOrganizationID: s(v2ValidDefaultOrganizationID2),
+			expectedDefaultProjectID:      s(v2ValidDefaultProjectID2),
 			expectedDefaultRegion:         s(v2ValidDefaultRegion2),
 			expectedDefaultZone:           s(v2ValidDefaultZone2),
 		},
@@ -462,6 +485,7 @@ func TestLoadProfileAndActiveProfile(t *testing.T) {
 				testhelpers.Equals(t, test.expectedSecretKey, p.SecretKey)
 				testhelpers.Equals(t, test.expectedAPIURL, p.APIURL)
 				testhelpers.Equals(t, test.expectedDefaultOrganizationID, p.DefaultOrganizationID)
+				testhelpers.Equals(t, test.expectedDefaultProjectID, p.DefaultProjectID)
 				testhelpers.Equals(t, test.expectedDefaultRegion, p.DefaultRegion)
 				testhelpers.Equals(t, test.expectedDefaultZone, p.DefaultZone)
 				testhelpers.Equals(t, test.expectedInsecure, p.Insecure)
@@ -631,6 +655,9 @@ func TestConfig_ConfigFile(t *testing.T) {
 # Your organization ID is the identifier of your account inside Scaleway infrastructure.
 # default_organization_id: 11111111-1111-1111-1111-111111111111
 
+# Your project ID is the identifier of the project your resources are attached to (beta).
+# default_project_id: 11111111-1111-1111-1111-111111111111
+
 # A region is represented as a geographical area such as France (Paris) or the Netherlands (Amsterdam).
 # It can contain multiple availability zones.
 # Example of region: fr-par, nl-ams
@@ -671,7 +698,8 @@ func TestConfig_ConfigFile(t *testing.T) {
 #   myProfile:
 #     access_key: 11111111-1111-1111-1111-111111111111
 #     secret_key: 11111111-1111-1111-1111-111111111111
-#     organization_id: 11111111-1111-1111-1111-111111111111
+#     default_organization_id: 11111111-1111-1111-1111-111111111111
+#     default_project_id: 11111111-1111-1111-1111-111111111111
 #     default_zone: fr-par-1
 #     default_region: fr-par
 #     api_url: https://api.scaleway.com
@@ -705,6 +733,9 @@ access_key: SCW1234567890ABCDEFG
 # Your organization ID is the identifier of your account inside Scaleway infrastructure.
 # default_organization_id: 11111111-1111-1111-1111-111111111111
 
+# Your project ID is the identifier of the project your resources are attached to (beta).
+# default_project_id: 11111111-1111-1111-1111-111111111111
+
 # A region is represented as a geographical area such as France (Paris) or the Netherlands (Amsterdam).
 # It can contain multiple availability zones.
 # Example of region: fr-par, nl-ams
@@ -745,7 +776,8 @@ access_key: SCW1234567890ABCDEFG
 #   myProfile:
 #     access_key: 11111111-1111-1111-1111-111111111111
 #     secret_key: 11111111-1111-1111-1111-111111111111
-#     organization_id: 11111111-1111-1111-1111-111111111111
+#     default_organization_id: 11111111-1111-1111-1111-111111111111
+#     default_project_id: 11111111-1111-1111-1111-111111111111
 #     default_zone: fr-par-1
 #     default_region: fr-par
 #     api_url: https://api.scaleway.com
@@ -793,6 +825,9 @@ secret_key: 7363616c-6577-6573-6862-6f7579616161
 # Your organization ID is the identifier of your account inside Scaleway infrastructure.
 # default_organization_id: 11111111-1111-1111-1111-111111111111
 
+# Your project ID is the identifier of the project your resources are attached to (beta).
+# default_project_id: 11111111-1111-1111-1111-111111111111
+
 # A region is represented as a geographical area such as France (Paris) or the Netherlands (Amsterdam).
 # It can contain multiple availability zones.
 # Example of region: fr-par, nl-ams
@@ -834,6 +869,7 @@ profiles:
     access_key: SCW234567890ABCDEFGH
     secret_key: 6f6e6574-6f72-756c-6c74-68656d616c6c
     # default_organization_id: 11111111-1111-1111-1111-111111111111
+    # default_project_id: 11111111-1111-1111-1111-111111111111
     # default_zone: fr-par-1
     # default_region: fr-par
     # api_url: https://api.scaleway.com
@@ -843,6 +879,7 @@ profiles:
     access_key: SCW234567890ABCDEFGH
     secret_key: 6f6e6574-6f72-756c-6c74-68656d616c6c
     # default_organization_id: 11111111-1111-1111-1111-111111111111
+    # default_project_id: 11111111-1111-1111-1111-111111111111
     # default_zone: fr-par-1
     # default_region: fr-par
     # api_url: https://api.scaleway.com
diff --git a/scw/env.go b/scw/env.go
index bbfeee597..8672d8351 100644
--- a/scw/env.go
+++ b/scw/env.go
@@ -18,6 +18,7 @@ const (
 	ScwAPIURLEnv                = "SCW_API_URL"
 	ScwInsecureEnv              = "SCW_INSECURE"
 	ScwDefaultOrganizationIDEnv = "SCW_DEFAULT_ORGANIZATION_ID"
+	ScwDefaultProjectIDEnv      = "SCW_DEFAULT_PROJECT_ID"
 	ScwDefaultRegionEnv         = "SCW_DEFAULT_REGION"
 	ScwDefaultZoneEnv           = "SCW_DEFAULT_ZONE"
 
@@ -90,6 +91,11 @@ func LoadEnvProfile() *Profile {
 		p.DefaultOrganizationID = &organizationID
 	}
 
+	projectID, _, envExist := getEnv(ScwDefaultProjectIDEnv)
+	if envExist {
+		p.DefaultProjectID = &projectID
+	}
+
 	region, _, envExist := getEnv(ScwDefaultRegionEnv, cliRegionEnv, terraformRegionEnv)
 	if envExist {
 		region = v1RegionToV2(region)
diff --git a/scw/env_test.go b/scw/env_test.go
index e46533d9d..fb3e77dab 100644
--- a/scw/env_test.go
+++ b/scw/env_test.go
@@ -18,6 +18,7 @@ func TestLoadEnvProfile(t *testing.T) {
 		expectedAPIURL                *string
 		expectedInsecure              *bool
 		expectedDefaultOrganizationID *string
+		expectedDefaultProjectID      *string
 		expectedDefaultRegion         *string
 		expectedDefaultZone           *string
 	}{
@@ -30,6 +31,7 @@ func TestLoadEnvProfile(t *testing.T) {
 				ScwAPIURLEnv:                v2ValidAPIURL,
 				ScwInsecureEnv:              "false",
 				ScwDefaultOrganizationIDEnv: v2ValidDefaultOrganizationID,
+				ScwDefaultProjectIDEnv:      v2ValidDefaultProjectID,
 				ScwDefaultRegionEnv:         v2ValidDefaultRegion,
 				ScwDefaultZoneEnv:           v2ValidDefaultZone,
 			},
@@ -38,6 +40,7 @@ func TestLoadEnvProfile(t *testing.T) {
 			expectedAPIURL:                s(v2ValidAPIURL),
 			expectedInsecure:              b(false),
 			expectedDefaultOrganizationID: s(v2ValidDefaultOrganizationID),
+			expectedDefaultProjectID:      s(v2ValidDefaultProjectID),
 			expectedDefaultRegion:         s(v2ValidDefaultRegion),
 			expectedDefaultZone:           s(v2ValidDefaultZone),
 		},
@@ -52,6 +55,7 @@ func TestLoadEnvProfile(t *testing.T) {
 			expectedAccessKey:             s(v2ValidAccessKey),
 			expectedSecretKey:             s(v2ValidSecretKey),
 			expectedDefaultOrganizationID: s(v2ValidDefaultOrganizationID),
+			expectedDefaultProjectID:      s(v2ValidDefaultProjectID),
 			expectedDefaultRegion:         s(v2ValidDefaultRegion),
 		},
 		{
@@ -65,6 +69,7 @@ func TestLoadEnvProfile(t *testing.T) {
 			expectedSecretKey:             s(v2ValidSecretKey2),
 			expectedInsecure:              b(true),
 			expectedDefaultOrganizationID: s(v2ValidDefaultOrganizationID2),
+			expectedDefaultProjectID:      s(v2ValidDefaultProjectID2),
 			expectedDefaultRegion:         s(v2ValidDefaultRegion2),
 		},
 	}
diff --git a/validation/is.go b/validation/is.go
index 929d88d81..a7e52d0bd 100644
--- a/validation/is.go
+++ b/validation/is.go
@@ -34,6 +34,11 @@ func IsOrganizationID(s string) bool {
 	return IsUUID(s)
 }
 
+// IsProjectID returns true if the given string has a valid Scaleway project ID format.
+func IsProjectID(s string) bool {
+	return IsUUID(s)
+}
+
 // IsRegion returns true if the given string has a valid region format.
 func IsRegion(s string) bool {
 	return isRegionRegex.MatchString(s)