> ## Documentation Index
> Fetch the complete documentation index at: https://docs.pinecone.io/llms.txt
> Use this file to discover all available pages before exploring further.
# Create a namespace
> Create a namespace in a serverless index.
For guidance and examples, see [Manage namespaces](https://docs.pinecone.io/guides/manage-data/manage-namespaces).
**Note:** This operation is not supported for pod-based indexes.
```bash curl theme={null}
# To get the unique host for an index,
# see https://docs.pinecone.io/guides/manage-data/target-an-index
PINECONE_API_KEY="YOUR_API_KEY"
INDEX_HOST="INDEX_HOST"
curl "https://$INDEX_HOST/namespaces" \
-H "Accept: application/json" \
-H "Content-Type: application/json" \
-H "Api-Key: $PINECONE_API_KEY" \
-H "X-Pinecone-Api-Version: 2026-04" \
-d '{
"name": "example-namespace",
"schema": {
"fields": {
"document_id": {"filterable": true},
"document_title": {"filterable": true},
"chunk_number": {"filterable": true},
"document_url": {"filterable": true},
"created_at": {"filterable": true}
}
}
}'
```
```json curl theme={null}
{
"name": "example-namespace",
"record_count": "0",
"schema": {
"fields": {
"document_title": {
"filterable": true
},
"document_url": {
"filterable": true
},
"chunk_number": {
"filterable": true
},
"document_id": {
"filterable": true
},
"created_at": {
"filterable": true
}
}
}
}
```
## OpenAPI
````yaml https://raw.githubusercontent.com/pinecone-io/pinecone-api/refs/heads/main/2026-04/db_data_2026-04.oas.yaml post /namespaces
openapi: 3.0.3
info:
title: Pinecone Data Plane API
description: >-
Pinecone is a vector database that makes it easy to search and retrieve
billions of high-dimensional vectors.
contact:
name: Pinecone Support
url: https://support.pinecone.io
email: support@pinecone.io
license:
name: Apache 2.0
url: https://www.apache.org/licenses/LICENSE-2.0
version: 2026-04
servers:
- url: https://{index_host}
variables:
index_host:
default: unknown
description: host of the index
security:
- ApiKeyAuth: []
tags:
- name: Vector Operations
- name: Bulk Operations
- name: Namespace Operations
externalDocs:
description: More Pinecone.io API docs
url: https://docs.pinecone.io/introduction
paths:
/namespaces:
post:
tags:
- Namespace Operations
summary: Create a namespace
description: >-
Create a namespace in a serverless index.
For guidance and examples, see [Manage
namespaces](https://docs.pinecone.io/guides/manage-data/manage-namespaces).
**Note:** This operation is not supported for pod-based indexes.
operationId: createNamespace
parameters:
- in: header
name: X-Pinecone-Api-Version
description: Required date-based version header
required: true
schema:
default: 2026-04
type: string
style: simple
requestBody:
content:
application/json:
schema:
$ref: '#/components/schemas/CreateNamespaceRequest'
required: true
responses:
'200':
description: A successful response.
content:
application/json:
schema:
$ref: '#/components/schemas/NamespaceDescription'
'400':
description: Bad request. The request body included invalid request parameters.
content:
application/json:
schema:
$ref: '#/components/schemas/rpcStatus'
'409':
description: Namespace of the given name already exists on the index.
content:
application/json:
schema:
$ref: '#/components/schemas/rpcStatus'
4XX:
description: An unexpected error response.
content:
application/json:
schema:
$ref: '#/components/schemas/rpcStatus'
5XX:
description: An unexpected error response.
content:
application/json:
schema:
$ref: '#/components/schemas/rpcStatus'
components:
schemas:
CreateNamespaceRequest:
description: A request for creating a namespace with the specified namespace name.
type: object
properties:
name:
example: example-namespace
description: The name of the namespace.
type: string
schema:
example:
fields:
description:
filterable: true
genre:
filterable: true
year:
filterable: true
description: >-
Schema for the behavior of Pinecone's internal metadata index. By
default, all metadata is indexed; when `schema` is present, only
fields which are present in the `fields` object with a `filterable:
true` are indexed. Note that `filterable: false` is not currently
supported.
x-component-name: MetadataSchema
type: object
properties:
fields:
description: >-
A map of metadata field names to their configuration. The field
name must be a valid metadata field name. The field name must be
unique.
type: object
additionalProperties:
type: object
properties:
filterable:
description: >-
Whether the field is filterable. If true, the field is
indexed and can be used in filters. Only true values are
allowed.
type: boolean
required:
- fields
required:
- name
NamespaceDescription:
description: A description of a namespace, including the name and record count.
type: object
properties:
name:
example: example-namespace
description: The name of the namespace.
type: string
record_count:
example: 20000
description: The total amount of records within the namespace.
type: integer
format: int64
schema:
example:
fields:
description:
filterable: true
genre:
filterable: true
year:
filterable: true
description: >-
Schema for the behavior of Pinecone's internal metadata index. By
default, all metadata is indexed; when `schema` is present, only
fields which are present in the `fields` object with a `filterable:
true` are indexed. Note that `filterable: false` is not currently
supported.
x-component-name: MetadataSchema
type: object
properties:
fields:
description: >-
A map of metadata field names to their configuration. The field
name must be a valid metadata field name. The field name must be
unique.
type: object
additionalProperties:
type: object
properties:
filterable:
description: >-
Whether the field is filterable. If true, the field is
indexed and can be used in filters. Only true values are
allowed.
type: boolean
required:
- fields
indexed_fields:
description: A list of all indexed metatadata fields in the namespace
type: object
properties:
fields:
example:
- genre
- year
- author
type: array
items:
type: string
rpcStatus:
type: object
properties:
code:
type: integer
format: int32
message:
type: string
details:
type: array
items:
$ref: '#/components/schemas/protobufAny'
protobufAny:
type: object
properties:
typeUrl:
type: string
value:
type: string
format: byte
securitySchemes:
ApiKeyAuth:
type: apiKey
in: header
name: Api-Key
description: >-
An API Key is required to call Pinecone APIs. Get yours from the
[console](https://app.pinecone.io/).
````