Create a namespace
Create a namespace in a serverless index.
For guidance and examples, see Manage namespaces.
Note: This operation is not supported for pod-based indexes.
# 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: 2025-10" \
-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}
}
}
}'POST /namespaces
{
"name": "example-namespace",
"record_count": 20000,
"schema": {
"fields": {
"description": {
"filterable": true
},
"genre": {
"filterable": true
},
"year": {
"filterable": true
}
}
},
"indexed_fields": {
"fields": [
"genre",
"year",
"author"
]
}
}{
"code": 123,
"message": "<string>",
"details": [
{
"typeUrl": "<string>",
"value": "<string>"
}
]
}{
"code": 123,
"message": "<string>",
"details": [
{
"typeUrl": "<string>",
"value": "<string>"
}
]
}{
"code": 123,
"message": "<string>",
"details": [
{
"typeUrl": "<string>",
"value": "<string>"
}
]
}{
"code": 123,
"message": "<string>",
"details": [
{
"typeUrl": "<string>",
"value": "<string>"
}
]
}Authorizations
Section titled “Authorizations”Api-KeystringrequiredAn API Key is required to call Pinecone APIs. Get yours from the console.
Headers
Section titled “Headers”X-Pinecone-Api-VersionstringrequiredRequired date-based version header
namestringrequiredThe name of the namespace.
Example: example-namespace
schema?objectSchema 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.
Show child attributes
fieldsobjectrequiredA map of metadata field names to their configuration. The field name must be a valid metadata field name. The field name must be unique.
Response
Section titled “Response”200 — A successful response.
A description of a namespace, including the name and record count.
name?stringThe name of the namespace.
Example: example-namespace
record_count?integerThe total amount of records within the namespace.
Example: 20000
schema?objectSchema 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.
Show child attributes
fieldsobjectrequiredA map of metadata field names to their configuration. The field name must be a valid metadata field name. The field name must be unique.
indexed_fields?objectA list of all indexed metatadata fields in the namespace
Show child attributes
fields?string[]