Create or update an asset

PUT

https://api.contentful.com/spaces/:space_id/environments/:environment_id/assets/:asset_id

PUT

/spaces/:space_id/environments/:environment_id/assets/:asset_id

$ curl -X PUT https://api.contentful.com/spaces/yadj1kx9rmg0/environments/staging/assets/wtrHxeu3zEoEce2MokCSi \
>      -H "X-Contentful-Version: 1" \
>      -H "Authorization: Bearer <token>" \
>      -H "Content-Type: application/vnd.contentful.management.v1+json" \
>      -d '{
>   "fields": {
>     "title": {
>       "en-US": "Playsam Streamliner"
>     },
>     "file": {
>       "en-US": {
>         "contentType": "image/jpeg",
>         "fileName": "example.jpeg",
>         "upload": "https://example.com/example.jpg"
>       }
>     }
>   },
>   "metadata": {
>     "tags": [
>       {
>         "sys": {
>           "type": "Link",
>           "linkType": "Tag",
>           "id": "nyCampaign"
>         }
>       }
>     ]
>   }
> }'

201Assets_createOrUpdateAnAsset_example

1 {
2   "fields": {
3     "title": {
4       "en-US": "Playsam Streamliner"
5     },
6     "file": {
7       "en-US": {
8         "contentType": "image/jpeg",
9         "fileName": "example.jpeg",
10         "upload": "https://example.com/example.jpg"
11       }
12     }
13   },
14   "metadata": {
15     "tags": [
16       {
17         "sys": {
18           "type": "Link",
19           "linkType": "Tag",
20           "id": "nyCampaign"
21         }
22       }
23     ]
24   },
25   "sys": {
26     "id": "wtrHxeu3zEoEce2MokCSi",
27     "type": "Asset",
28     "version": 1,
29     "space": {
30       "sys": {
31         "type": "Link",
32         "linkType": "Space",
33         "id": "yadj1kx9rmg0"
34       }
35     },
36     "environment": {
37       "sys": {
38         "type": "Link",
39         "linkType": "Environment",
40         "id": "staging"
41       }
42     },
43     "createdAt": "2025-11-26T00:04:40.000Z",
44     "createdBy": {
45       "sys": {
46         "type": "Link",
47         "linkType": "User",
48         "id": "7BslKh9TdKGOK41VmLDjFZ"
49       }
50     },
51     "updatedAt": "2025-11-26T00:04:40.000Z",
52     "updatedBy": {
53       "sys": {
54         "type": "Link",
55         "linkType": "User",
56         "id": "4FLrUHftHW3v2BLi9fzfjU"
57       }
58     }
59   }
60 }

Creates a new asset with the specified ID or updates an existing one. When updating, include the current version in X-Contentful-Version.

Authentication

AuthorizationBearer

Bearer authentication of the form Bearer <token>, where token is your auth token.

Path parameters

space_idstringRequired

ID of the Space in form of a string

environment_idstringRequired

ID of the environment in form of a string

asset_idstringRequired

ID of the Asset in form of a string

Headers

X-Contentful-VersionstringOptional

Version of the asset to update

Request

This endpoint expects a map from strings to any.

Response headers

Content-Typestring

Content-Type

Response

Created - Resource created successfully