# Set Alchemy stack output

**PUT** `/v1/projects/{projectId}/branches/{branchId}/alchemy-state/state/stacks/{stack}/stages/{stage}/output`

⚠️ Experimental endpoint: this API is in active development and may change at any time without notice. ⚠️

Overwrites the stack output for the stage, encrypted at rest, and echoes the stored value.

Base URL: `https://api.prisma.io`

Tags: `[Experimental]`

## Authorization

Any ONE of the following options authorizes this operation; every scheme listed within an option is required together.

| Option | Scheme | Type | Sent as | Scopes |
| --- | --- | --- | --- | --- |
| Option 1 | `OAuth2` | `oauth2` | `Authorization: Bearer <access token>` | `offline_access`, `workspace:admin` |
| Option 2 | `Bearer` | `http` | `Authorization: Bearer <token>` (JWT) | — |

### OAuth 2.0 flows

- **OAuth2 · authorizationCode**
  - Authorization URL: `https://auth.prisma.io/authorize`
  - Token URL: `https://auth.prisma.io/token`
  - Refresh URL: `https://auth.prisma.io/token`
  - Scope `offline_access` — Offline access
  - Scope `workspace:admin` — Full access to workspace resources

## Path parameters

| Name | Type | Required | Description |
| --- | --- | --- | --- |
| `projectId` | `string` | Yes | — |
| `branchId` | `string` | Yes | — |
| `stack` | `string` | Yes | — |
| `stage` | `string` | Yes | — |

## Header parameters

| Name | Type | Required | Description |
| --- | --- | --- | --- |
| `alchemy-state-lease-id` | `string` | Yes | — |

## Request body

Optional. Media type: `application/json`

### Example request body

```json
null
```

## Responses

| Status | Description | Media type |
| --- | --- | --- |
| `200` | Echo of the stored value. | `application/json` |
| `401` | Missing or invalid authorization token. | `application/json` |
| `404` | Project or branch not found. | `application/json` |
| `409` | No live deploy lease held for this stack and stage. | `application/json` |
| `413` | Request body exceeds this endpoint's size cap. | `application/json` |

### Example response: 200 — Echo of the stored value.

```json
null
```

### Example response: 401 — Missing or invalid authorization token.

```json
{
  "error": {
    "code": "string",
    "hint": "string",
    "message": "string"
  }
}
```

### Example response: 404 — Project or branch not found.

```json
{
  "error": {
    "code": "string",
    "hint": "string",
    "message": "string"
  }
}
```

### Example response: 409 — No live deploy lease held for this stack and stage.

```json
{
  "error": {
    "code": "string",
    "hint": "string",
    "message": "string"
  }
}
```

### Example response: 413 — Request body exceeds this endpoint's size cap.

```json
{
  "error": {
    "code": "string",
    "hint": "string",
    "message": "string"
  }
}
```

## Related pages

- [[Experimental]](./tags/experimental.md)
- [Acquire Alchemy deploy lease](./postv1projectsbyprojectidbranchesbybranchidalchemy-statelease.md)
- [Agents](./tags/agents.md)
- [Alchemy state store version](./getv1projectsbyprojectidbranchesbybranchidalchemy-stateversion.md)
- [Buckets](./tags/buckets.md)
- [Connections](./tags/connections.md)
- [Create a branch](./postv1projectsbyprojectidbranches.md)
- [Create a custom domain](./postv1appsbyappiddomains.md)
- [Create a custom domain](./postv1servicesbyserviceiddomains.md)
- [Create a workspace](./postv1workspaces.md)

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