> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://contentful.com/developers/docs/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://contentful.com/_mcp/server.

# Issue a token for an app installation in a space environment

POST https://api.contentful.com/spaces/{space_id}/environments/{environment_id}/app_installations/{app_definition_id}/access_tokens

Reference: https://contentful.com/developers/docs/references/content-management-api/app-access-token/issue-a-token-for-an-app-installation-in-a-space-environment

## Authentication

- `Authorization` header (bearer token, required) — Bearer authentication of the form `Bearer <token>`, where token is your auth token.

## Request

### Path parameters

- `space_id` (string, required) — space_id identifier
- `environment_id` (string, required) — environment_id identifier
- `app_definition_id` (string, required) — app_definition_id identifier

## Response

### 200

OK - Request successful

- `map from string to any`

## Examples

**Response**

```json
{
  "sys": {
    "appDefinition": {
      "sys": {
        "id": "<app_definition_id>",
        "linkType": "AppDefinition",
        "type": "Link"
      }
    },
    "createdAt": "2025-03-28T21:28:49.000Z",
    "createdBy": {
      "sys": {
        "id": "7BslKh9TdKGOK41VmLDjFZ",
        "linkType": "User",
        "type": "Link"
      }
    },
    "environment": {
      "sys": {
        "id": "staging",
        "linkType": "Environment",
        "type": "Link"
      }
    },
    "expiresAt": "2025-02-28T10:38:49.000Z",
    "space": {
      "sys": {
        "id": "yadj1kx9rmg0",
        "linkType": "Space",
        "type": "Link"
      }
    },
    "type": "AppAccessToken",
    "updatedAt": "2025-03-28T21:28:49.000Z",
    "updatedBy": {
      "sys": {
        "id": "7BslKh9TdKGOK41VmLDjFZ",
        "linkType": "User",
        "type": "Link"
      }
    }
  },
  "token": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCIsImtpZCI6ImViZWY2MDJlLTMxZGItNGMzYi1iZjAwL..."
}
```

**SDK Code**

```android Android
SDK currently doesn't implement this endpoint.
```

```java Java
SDK currently doesn't implement this endpoint.
```

```kotlin Kotlin
SDK currently doesn't implement this endpoint.
```

```swift Swift
We currently don't provide a CMA SDK for this platform.
```

```js-legacy JavaScript (legacy)
import { createClient } from 'contentful-management'

const client = createClient({
  accessToken: '<content_management_api_key>'
}, { type: 'legacy' })

const { sign } = require('jsonwebtoken')

const signOptions = {
  algorithm: 'RS256',
  issuer: '<app_definition_id>',
  expiresIn: '10m'
}

const data = {
  jwt: sign({}, '<private_key>', signOptions)
}

client.getSpace('<space_id>')
  .then((space) => space.getEnvironment('<environment-id>'))
  .then((environment) => environment.createAppAccessToken('<app_definition_id>', data))
  .then((appAccessToken) => console.log(appAccessToken))
  .catch(console.error)
```

```javascript JavaScript
import { createClient } from 'contentful-management'

// Client init
const client = contentful.createClient({
  accessToken: '<content_management_api_key>'
})

import { sign } from 'jsonwebtoken'

const signOptions = {
  algorithm: 'RS256',
  issuer: '<app_definition_id>',
  expiresIn: '10m'
}

const { token } = await client.appAccessToken.create({
    spaceId: '<space_id>',
    environmentId: '<environment_id>',
    appDefinitionId: '<app_definition_id>',
  }, {
    jwt: sign({}, '<private_key>', signOptions)
  }
);
```

```php PHP
SDK currently doesn't implement this endpoint.
```

```ruby Ruby
SDK currently doesn't implement this endpoint.
```

```python Python
SDK currently doesn't implement this endpoint.
```

```.net .NET
SDK currently doesn't implement this endpoint.
```