List collections

from pinecone.grpc import PineconeGRPC as Pinecone

pc = Pinecone(api_key='YOUR_API_KEY')

active_collections = pc.list_collections()

// npm install @pinecone-database/pinecone
import { Pinecone } from '@pinecone-database/pinecone'

const pc = new Pinecone({ apiKey: 'YOUR_API_KEY' })

await pc.listCollections();

import io.pinecone.clients.Pinecone;
import org.openapitools.client.model.CollectionModel;

public class ListCollectionsExample {
    public static void main(String[] args) {
        Pinecone pc = new Pinecone.Builder("YOUR_API_KEY").build();
        List<CollectionModel> collectionList = pc.listCollections().getCollections();
        System.out.println(collectionList);
    }
}

package main

import (
    "context"
    "encoding/json"
    "fmt"
    "log"

    "github.com/pinecone-io/go-pinecone/v3/pinecone"
)

func prettifyStruct(obj interface{}) string {
    bytes, _ := json.MarshalIndent(obj, "", "  ")
    return string(bytes)
}

func main() {
    ctx := context.Background()

    pc, err := pinecone.NewClient(pinecone.NewClientParams{
        ApiKey: "YOUR_API_KEY",
    })
    if err != nil {
        log.Fatalf("Failed to create Client: %v", err)
    }

    collections, err := pc.ListCollections(ctx)
    if err != nil {
	    log.Fatalf("Failed to list collections: %v", err)
    } else {
        if len(collections) == 0 {
            fmt.Printf("No collections found in project")
        } else {
            for _, collection := range collections {
                fmt.Printf("collection: %v\n", prettifyStruct(collection))
            }
        }
    }
}

using Pinecone;

var pinecone = new PineconeClient("YOUR_API_KEY");

var collectionList = await pinecone.ListCollectionsAsync();

Console.WriteLine(collectionList);

PINECONE_API_KEY="YOUR_API_KEY"

curl -i -X GET "https://api.pinecone.io/collections" \
  -H "Api-Key: $PINECONE_API_KEY" \
  -H "X-Pinecone-Api-Version: 2025-01"

{
    "collections": [
        {
            "name": "example-collection1",
            "status": "Ready",
            "environment": "us-east-1-aws",
            "size": 3081918,
            "vector_count": 99,
            "dimension": 3
        },
        {
            "name": "example-collection1",
            "status": "Ready",
            "environment": "us-east-1-aws",
            "size": 160087040000000,
            "vector_count": 10000000,
            "dimension": 1536
        }
    ]
}