--- title: Create a namespace --- [Skip to content](#_top) [API Reference](https://developers.cloudflare.com/api/go) [KV](https://developers.cloudflare.com/api/go/resources/kv) [Namespaces](https://developers.cloudflare.com/api/go/resources/kv/subresources/namespaces) Copy Markdown Open in **Claude**Open in **ChatGPT**Open in **Cursor** --- **Copy Markdown****View as Markdown** # Create a namespace client.KV.Namespaces.New(ctx, params) (\*[Namespace](), error) POST/accounts/{account\_id}/storage/kv/namespaces Creates a Workers KV namespace in the specified account with the given title. Returns `400` if the account already owns a namespace with that title; an existing namespace must be explicitly deleted before it can be replaced. An optional jurisdiction restricts where data is durably stored and can only be set at creation time. ##### Security

API Token

The preferred authorization scheme for interacting with the Cloudflare API. Create a token. **Example:**Authorization: Bearer Sn3lZJTBX6kkg7OdcBUAxOO963GEIyGQqnFTOFYY

API Email + API Key

The previous authorization scheme for interacting with the Cloudflare API, used in conjunction with a Global API key. **Example:**X-Auth-Email: user@example.com The previous authorization scheme for interacting with the Cloudflare API. When possible, use API tokens instead of Global API keys. **Example:**X-Auth-Key: 144c9defac04969c7bfad8efaa8ea194

##### Accepted Permissions (at least one required) `Workers KV Storage Write` ##### ParametersExpand Collapse

params NamespaceNewParams

AccountID param.Field\[string] Path param: ID of the Cloudflare account that owns the Workers KV namespaces. maxLength32 Link to this property Title param.Field\[string] Body param: Human-readable string name for a Workers KV namespace. maxLength512 Link to this property

Jurisdiction param.Field\[NamespaceNewParamsJurisdiction]Optional Body param: Specify the jurisdiction to restrict the KV namespace to durably store data within. Can only be set at namespace creation time.

const NamespaceNewParamsJurisdictionEu NamespaceNewParamsJurisdiction = "eu" Link to this property const NamespaceNewParamsJurisdictionFedramp NamespaceNewParamsJurisdiction = "fedramp" Link to this property const NamespaceNewParamsJurisdictionUs NamespaceNewParamsJurisdiction = "us" Link to this property

Link to this property

Mode param.Field\[NamespaceNewParamsMode]Optional Body param: The mode of the Workers KV namespace. Specify instant when creating a namespace to create a KV Instant namespace. Omit this field when creating a namespace to create a classic namespace. Currently, instant is the only supported explicit value.

const NamespaceNewParamsModeInstant NamespaceNewParamsMode = "instant" Link to this property

Link to this property

[Link to this property](<#(resource)%20kv.namespaces%20%3E%20(method)%20create%20%3E%20(params)%20default>) ##### ReturnsExpand Collapse

type Namespace struct{…}

ID string ID of the Workers KV namespace. maxLength32 Link to this property Title string Human-readable string name for a Workers KV namespace. maxLength512 Link to this property

Jurisdiction NamespaceJurisdictionOptional Specify the jurisdiction to restrict the KV namespace to durably store data within. Can only be set at namespace creation time.

One of the following: const NamespaceJurisdictionEu NamespaceJurisdiction = "eu" Link to this property const NamespaceJurisdictionFedramp NamespaceJurisdiction = "fedramp" Link to this property const NamespaceJurisdictionUs NamespaceJurisdiction = "us" Link to this property

Link to this property Mode NamespaceModeOptional The mode of the Workers KV namespace. Specify instant when creating a namespace to create a KV Instant namespace. Omit this field when creating a namespace to create a classic namespace. Currently, instant is the only supported explicit value. Link to this property SupportsURLEncoding boolOptional True if keys written on the URL will be URL-decoded before storing. For example, if set to “true”, a key written on the URL as “%3F” will be stored as ”?”. Link to this property

[Link to this property](<#(resource)%20kv.namespaces%20%3E%20(model)%20namespace%20%3E%20(schema)>) ### Create a namespace Go HTTPTypeScriptPythonGoTerraform ``` package main import ( "context" "fmt" "github.com/cloudflare/cloudflare-go" "github.com/cloudflare/cloudflare-go/kv" "github.com/cloudflare/cloudflare-go/option" ) func main() { client := cloudflare.NewClient( option.WithAPIToken("Sn3lZJTBX6kkg7OdcBUAxOO963GEIyGQqnFTOFYY"), ) namespace, err := client.KV.Namespaces.New(context.TODO(), kv.NamespaceNewParams{ AccountID: cloudflare.F("023e105f4ecef8ad9ca31a8372d0c353"), Title: cloudflare.F("My Own Namespace"), }) if err != nil { panic(err.Error()) } fmt.Printf("%+v\n", namespace.ID) } ``` 200 example ``` { "errors": [ { "code": 1000, "message": "message", "documentation_url": "documentation_url", "source": { "pointer": "pointer" } } ], "messages": [ { "code": 1000, "message": "message", "documentation_url": "documentation_url", "source": { "pointer": "pointer" } } ], "success": true, "result": { "id": "0f2ac74b498b48028cb68387c421e279", "title": "My Own Namespace", "jurisdiction": "eu", "mode": "instant", "supports_url_encoding": true } } ``` ##### Returns Examples 200 example ``` { "errors": [ { "code": 1000, "message": "message", "documentation_url": "documentation_url", "source": { "pointer": "pointer" } } ], "messages": [ { "code": 1000, "message": "message", "documentation_url": "documentation_url", "source": { "pointer": "pointer" } } ], "success": true, "result": { "id": "0f2ac74b498b48028cb68387c421e279", "title": "My Own Namespace", "jurisdiction": "eu", "mode": "instant", "supports_url_encoding": true } } ```