The host domain for OAuth endpoints is `login.pinecone.io`.

```bash curl theme={null}
PINECONE_CLIENT_ID="YOUR_CLIENT_ID"
PINECONE_CLIENT_SECRET="YOUR_CLIENT_SECRET"

# NOTES:
# - Base URL is login.pinecone.io. 
# - When including environment variables (as shown here), 
#   surround the request body in double quotes (not single
#   quotes). Then, in the JSON, escape double quotes with
#   a backslash.
curl -X POST "https://login.pinecone.io/oauth/token" \
     -H "X-Pinecone-Api-Version: 2025-04" \
     -H "Content-Type: application/json" \
     -d "{
           \"grant_type\": \"client_credentials\",
           \"client_id\": \"$PINECONE_CLIENT_ID\",
           \"client_secret\": \"$PINECONE_CLIENT_SECRET\",
           \"audience\": \"https://api.pinecone.io/\"
         }"
```

```json curl theme={null}
{
  "access_token": "...",
  "expires_in": 1800,
  "token_type": "Bearer"
}
```

`POST /oauth/token`

:::code-group
```bash title="cURL"
curl --request POST \
  --url https://login.pinecone.io/oauth/token \
  --header 'Content-Type: application/json' \
  --data '{
  "audience": "https://api.pinecone.io/",
  "client_id": "I1r8m4i6jX9JTFYk0t3q85HWzciEgcA5",
  "client_secret": "EriX...j2ci",
  "grant_type": "client_credentials"
}'
```

```json title="200"
{
  "access_token": "eyJz93a...k4laUWw",
  "expires_in": 1800,
  "token_type": "Bearer"
}
```
:::

## Body

- `client_id` (body, string, required) — The service account's client ID.
- `client_secret` (body, string, required) — The service account's client secret.
- `grant_type` (body, string, required) — The type of grant to use.
- `audience` (body, string, required) — The audience for the token.

## Response

- `200` — A response that contains the access token.
- `400` — Invalid request.
- `401` — Unauthorized.
- `403` — Forbidden.
- `429` — Too many requests.
- `500` — Internal server error.
- `501` — Not implemented.
- `503` — Service unavailable.

## Related pages

- [List service accounts](./admin-2-2026-07-admin-service-accounts-list-service-accounts.md)
- [Create a service account](./admin-2-2026-07-admin-service-accounts-create-a-service-account.md)
- [Get service account details](./admin-2-2026-07-admin-service-accounts-get-service-account-details.md)
- [Delete a service account](./admin-2-2026-07-admin-service-accounts-delete-a-service-account.md)
- [Update a service account](./admin-2-2026-07-admin-service-accounts-update-a-service-account.md)
- [Rotate a service account's OAuth client secret](./admin-2-2026-07-admin-service-accounts-rotate-a-service-accounts-oauth-client-secret.md)
- [Create a service account](./admin-2-2026-04-admin-create-service-account.md)
- [List service accounts](./admin-2-2026-04-admin-list-service-accounts.md)
- [Get service account details](./admin-2-2026-04-admin-fetch-service-account.md)
- [Update a service account](./admin-2-2026-04-admin-update-service-account.md)

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