# Create app

**POST** `/v1/apps`

> **Deprecated** — this operation is still served but should not be adopted in new integrations.

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

Deprecated: use `POST /v1/services` instead.

Creates a new app under the specified project. The `projectId` is required in the request body. The app is placed in the given region, or the project's default region if omitted (falling back to us-east-1). Returns `409 Conflict` when an app already occupies the slot on the resolved branch, either by name or by `logicalId`; the body includes the existing app's id, name, branch, and logical id, and `conflict` says which attribute clashed. The name is checked first. `logicalId` cannot be combined with `branchGitName`; pass `branchId` instead.

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

## Request body

Optional. Media type: `application/json`

### Example request body

```json
{
  "branchGitName": "string",
  "branchId": "string",
  "displayName": "string",
  "logicalId": "string",
  "projectId": "string",
  "regionId": "us-east-1"
}
```

## Responses

| Status | Description | Media type |
| --- | --- | --- |
| `201` | App created. | `application/json` |
| `401` | Missing or invalid authorization token. | `application/json` |
| `403` | Insufficient permissions to access this resource. | `application/json` |
| `404` | Project not found. | `application/json` |
| `409` | An app already occupies the slot on the resolved branch, by `displayName` or by `logicalId`. The body includes the existing app's id, name, branch git name, and logical id; `conflict` says which attribute clashed. | `application/json` |
| `413` | Request body exceeds this endpoint's size cap. | `application/json` |
| `422` | Validation failed (e.g. missing projectId, empty display name, or invalid region). | `application/json` |
| `429` | Rate limit exceeded. | `application/json` |

### Example response: 201 — App created.

```json
{
  "data": {
    "appEndpointDomain": "string",
    "branchId": "string",
    "createdAt": "2026-06-09T00:00:00Z",
    "id": "string",
    "latestDeploymentId": "string",
    "logicalId": "string",
    "name": "string",
    "projectId": "string",
    "region": {
      "id": "string",
      "name": "string"
    },
    "type": "app",
    "url": "https://example.com"
  }
}
```

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

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

### Example response: 403 — Insufficient permissions to access this resource.

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

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

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

### Example response: 409 — An app already occupies the slot on the resolved branch, by `displayName` or by `logicalId`. The body includes the existing app's id, name, branch git name, and logical id; `conflict` says which attribute clashed.

```json
{
  "error": {
    "branchGitName": "string",
    "code": "app:already_exists",
    "conflict": "logicalId",
    "existingAppId": "string",
    "logicalId": "string",
    "message": "string",
    "name": "string"
  }
}
```

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

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

### Example response: 422 — Validation failed (e.g. missing projectId, empty display name, or invalid region).

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

### Example response: 429 — Rate limit exceeded.

```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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