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GET
/
namespaces
# 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 "Api-Key: $PINECONE_API_KEY" \
    -H "X-Pinecone-Api-Version: 2025-10"

{
  "namespaces": [
    {
      "name": "example-namespace",
      "record_count": 20000
    },
    {
      "name": "example-namespace2",
      "record_count": 10500
    },
    ...
  ],
  "pagination": {
    "next": "Tm90aGluZyB0byBzZWUgaGVyZQo="
  }
}

# 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 "Api-Key: $PINECONE_API_KEY" \
    -H "X-Pinecone-Api-Version: 2025-10"

{
  "namespaces": [
    {
      "name": "example-namespace",
      "record_count": 20000
    },
    {
      "name": "example-namespace2",
      "record_count": 10500
    },
    ...
  ],
  "pagination": {
    "next": "Tm90aGluZyB0byBzZWUgaGVyZQo="
  }
}

Authorizations

​
Api-Key
string
header
required

An API Key is required to call Pinecone APIs. Get yours from the console.

Headers

​
X-Pinecone-Api-Version
string
default:2025-10
required

Required date-based version header

Query Parameters

​
limit
integer

Max number namespaces to return per page.

​
paginationToken
string

Pagination token to continue a previous listing operation.

​
prefix
string

Prefix of the namespaces to list. Acts as a filter to return only namespaces that start with this prefix.

Response

A successful response

​
namespaces
object[]

The list of namespaces belonging to this index.

​
pagination
object
⌘I