Upserting text is supported only for [indexes with integrated embedding](/guides/database-2025-01-control-plane-create-for-model).

For guidance, examples, and limits, see [Upsert data](/guides/index-data-upsert-data).

```python Python theme={null}
# pip install --upgrade pinecone
from pinecone import Pinecone

pc = Pinecone(api_key="YOUR_API_KEY")

# To get the unique host for an index, 
# see https://docs.pinecone.io/guides/manage-data/target-an-index
index = pc.Index(host="INDEX_HOST")

# Upsert records into a namespace
# `chunk_text` fields are converted to dense vectors
# `category` fields are stored as metadata
index.upsert_records(
    "example-namespace",
    [
        {
            "_id": "rec1",
            "chunk_text": "Apples are a great source of dietary fiber, which supports digestion and helps maintain a healthy gut.",
            "category": "digestive system", 
        },
        {
            "_id": "rec2",
            "chunk_text": "Apples originated in Central Asia and have been cultivated for thousands of years, with over 7,500 varieties available today.",
            "category": "cultivation",
        },
        {
            "_id": "rec3",
            "chunk_text": "Rich in vitamin C and other antioxidants, apples contribute to immune health and may reduce the risk of chronic diseases.",
            "category": "immune system",
        },
        {
            "_id": "rec4",
            "chunk_text": "The high fiber content in apples can also help regulate blood sugar levels, making them a favorable snack for people with diabetes.",
            "category": "endocrine system",
        },
    ]
)
```

```javascript JavaScript theme={null}
// npm install @pinecone-database/pinecone
import { Pinecone } from '@pinecone-database/pinecone'

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

// To get the unique host for an index, 
// see https://docs.pinecone.io/guides/manage-data/target-an-index
const namespace = pc.index("INDEX_NAME", "INDEX_HOST").namespace("example-namespace");

// Upsert records into a namespace
// `chunk_text` fields are converted to dense vectors
// `category` ios stored as metadata
await namespace.upsertRecords([
    {
        "_id": "rec1",
        "chunk_text": "Apples are a great source of dietary fiber, which supports digestion and helps maintain a healthy gut.",
        "category": "digestive system", 
    },
    {
        "_id": "rec2",
        "chunk_text": "Apples originated in Central Asia and have been cultivated for thousands of years, with over 7,500 varieties available today.",
        "category": "cultivation",
    },
    {
        "_id": "rec3",
        "chunk_text": "Rich in vitamin C and other antioxidants, apples contribute to immune health and may reduce the risk of chronic diseases.",
        "category": "immune system",
    },
    {
        "_id": "rec4",
        "chunk_text": "The high fiber content in apples can also help regulate blood sugar levels, making them a favorable snack for people with diabetes.",
        "category": "endocrine system",
    }
]);
```

```go Go theme={null}
package main

import (
    "context"
    "fmt"
    "log"

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

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)
    }

    // To get the unique host for an index, 
    // see https://docs.pinecone.io/guides/manage-data/target-an-index
    idxConnection, err := pc.Index(pinecone.NewIndexConnParams{Host: "INDEX_HOST", Namespace: "example-namespace"})
    if err != nil {
        log.Fatalf("Failed to create IndexConnection for Host: %v", err)
	  }

    // Upsert records into a namespace
    // `chunk_text` fields are converted to dense vectors
    // `category` is stored as metadata
	records := []*pinecone.IntegratedRecord{
        {
            "_id": "rec1",
            "chunk_text": "Apples are a great source of dietary fiber, which supports digestion and helps maintain a healthy gut.",
            "category": "digestive system", 
        },
        {
            "_id": "rec2",
            "chunk_text": "Apples originated in Central Asia and have been cultivated for thousands of years, with over 7,500 varieties available today.",
            "category": "cultivation",
        },
        {
            "_id": "rec3",
            "chunk_text": "Rich in vitamin C and other antioxidants, apples contribute to immune health and may reduce the risk of chronic diseases.",
            "category": "immune system",
        },
        {
            "_id": "rec4",
            "chunk_text": "The high fiber content in apples can also help regulate blood sugar levels, making them a favorable snack for people with diabetes.",
            "category": "endocrine system",
        },
	}

	err = idxConnection.UpsertRecords(ctx, records)
	if err != nil {
		log.Fatalf("Failed to upsert vectors: %v", err)
	}
}
```

```csharp C# theme={null}
using Pinecone;

var pinecone = new PineconeClient("YOUR_API_KEY");

var index = pinecone.Index(host: "INDEX_HOST");

await index.UpsertRecordsAsync(
    "example-namespace",
    [
        new UpsertRecord
        {
            Id = "rec1",
            AdditionalProperties =
            {
                ["chunk_text"] = "Apples are a great source of dietary fiber, which supports digestion and helps maintain a healthy gut.",
                ["category"] = "digestive system",
            },
        },
        new UpsertRecord
        {
            Id = "rec2",
            AdditionalProperties =
            {
                ["chunk_text"] = "Apples originated in Central Asia and have been cultivated for thousands of years, with over 7,500 varieties available today.",
                ["category"] = "cultivation",
            },
        },  
        new UpsertRecord
        {
            Id = "rec3",
            AdditionalProperties =
            {
                ["chunk_text"] = "Rich in vitamin C and other antioxidants, apples contribute to immune health and may reduce the risk of chronic diseases.",
                ["category"] = "immune system",
            },
        },
        new UpsertRecord
        {
            Id = "rec4",
            AdditionalProperties =
            {
                ["chunk_text"] = "The high fiber content in apples can also help regulate blood sugar levels, making them a favorable snack for people with diabetes.",
                ["category"] = "endocrine system",
            },
        },
    ]
);
```

```shell curl theme={null}
# To get the unique host for an index,
# see https://docs.pinecone.io/guides/manage-data/target-an-index
INDEX_HOST="INDEX_HOST"
NAMESPACE="YOUR_NAMESPACE"
PINECONE_API_KEY="YOUR_API_KEY"

# Upsert records into a namespace
# `chunk_text` fields are converted to dense vectors
# `category` fields are stored as metadata
curl "https://$INDEX_HOST/records/namespaces/$NAMESPACE/upsert" \
  -H "Content-Type: application/x-ndjson" \
  -H "Api-Key: $PINECONE_API_KEY" \
  -H "X-Pinecone-Api-Version: 2025-01" \
  -d '{"_id": "rec1", "chunk_text": "Apples are a great source of dietary fiber, which supports digestion and helps maintain a healthy gut.", "category": "digestive system"}
      {"_id": "rec2", "chunk_text": "Apples originated in Central Asia and have been cultivated for thousands of years, with over 7,500 varieties available today.", "category": "cultivation"}
      {"_id": "rec3", "chunk_text": "Rich in vitamin C and other antioxidants, apples contribute to immune health and may reduce the risk of chronic diseases.", "category": "immune system"}
      {"_id": "rec4", "chunk_text": "The high fiber content in apples can also help regulate blood sugar levels, making them a favorable snack for people with diabetes.", "category": "endocrine system"}'
```

`POST /records/namespaces/{namespace}/upsert`

:::code-group
```bash title="cURL"
curl --request POST \
  --url https://{index_host}/records/namespaces/{namespace}/upsert \
  --header 'Authorization: Bearer <token>'
```

```json title="400"
{
  "code": 123,
  "message": "<string>",
  "details": [
    {
      "typeUrl": "<string>",
      "value": "<string>"
    }
  ]
}
```
:::

## Authorizations

- `Authorization` (header, string, required) — Bearer authentication header of the form `Bearer <token>`.

## Path Parameters

- `namespace` (path, string, required) — The namespace to upsert records into.

## Response

- `201` — A successful response.
- `400` — Bad request. The request body included invalid request parameters.
- `4XX` — An unexpected error response.
- `5XX` — An unexpected error response.

## Related pages

- [Search with a vector](./database-2026-07-data-plane-query.md)
- [Search with text](./database-2026-07-data-plane-search-records.md)
- [Upsert records](./database-2026-07-data-plane-upsert.md)
- [Upsert text](./database-2026-07-data-plane-upsert-records.md)
- [Fetch records](./database-2026-07-data-plane-fetch.md)
- [Fetch records by metadata](./database-2026-07-data-plane-fetch-by-metadata.md)
- [Update a record](./database-2026-07-data-plane-update.md)
- [Delete records](./database-2026-07-data-plane-delete.md)
- [List record IDs](./database-2026-07-data-plane-list.md)
- [Search with a vector](./database-2026-04-data-plane-query.md)

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