Configure Custom Domain Settings

PUT/accounts/{account_id}/r2/buckets/{bucket_name}/domains/custom/{domain}

Edit the configuration for a custom domain on an existing R2 bucket.

Security

API Token

The preferred authorization scheme for interacting with the Cloudflare API. Create a token.

Example:Authorization: Bearer Sn3lZJTBX6kkg7OdcBUAxOO963GEIyGQqnFTOFYY

Path ParametersExpand Collapse

account_id: string

Account ID.

maxLength32

bucket_name: string

Name of the bucket.

maxLength64

minLength3

domain: string

Name of the custom domain.

Header ParametersExpand Collapse

"cf-r2-jurisdiction": optional "default" or "eu" or "fedramp"

Jurisdiction where objects in this bucket are guaranteed to be stored.

One of the following:

"default"

"eu"

"fedramp"

Body ParametersJSONExpand Collapse

ciphers: optional array of string

An allowlist of ciphers for TLS termination. These ciphers must be in the BoringSSL format.

enabled: optional boolean

Whether to enable public bucket access at the specified custom domain.

minTLS: optional "1.0" or "1.1" or "1.2" or "1.3"

Minimum TLS Version the custom domain will accept for incoming connections. If not set, defaults to previous value.

One of the following:

"1.0"

"1.1"

"1.2"

"1.3"

ReturnsExpand Collapse

errors: array of ResponseInfo { code, message, documentation_url, source }

code: number

minimum1000

message: string

documentation_url: optional string

source: optional object { pointer }

pointer: optional string

messages: array of string

result: object { domain, ciphers, enabled, minTLS }

domain: string

Domain name of the affected custom domain.

ciphers: optional array of string

An allowlist of ciphers for TLS termination. These ciphers must be in the BoringSSL format.

enabled: optional boolean

Whether this bucket is publicly accessible at the specified custom domain.

minTLS: optional "1.0" or "1.1" or "1.2" or "1.3"

Minimum TLS Version the custom domain will accept for incoming connections. If not set, defaults to 1.0.

One of the following:

"1.0"

"1.1"

"1.2"

"1.3"

success: true

Whether the API call was successful.

Configure Custom Domain Settings

curl https://api.cloudflare.com/client/v4/accounts/$ACCOUNT_ID/r2/buckets/$BUCKET_NAME/domains/custom/$DOMAIN \
    -X PUT \
    -H 'Content-Type: application/json' \
    -H "Authorization: Bearer $CLOUDFLARE_API_TOKEN" \
    -d '{}'

{
  "errors": [
    {
      "code": 1000,
      "message": "message",
      "documentation_url": "documentation_url",
      "source": {
        "pointer": "pointer"
      }
    }
  ],
  "messages": [
    "string"
  ],
  "result": {
    "domain": "example-domain.com",
    "ciphers": [
      "string"
    ],
    "enabled": true,
    "minTLS": "1.0"
  },
  "success": true
}

Returns Examples

{
  "errors": [
    {
      "code": 1000,
      "message": "message",
      "documentation_url": "documentation_url",
      "source": {
        "pointer": "pointer"
      }
    }
  ],
  "messages": [
    "string"
  ],
  "result": {
    "domain": "example-domain.com",
    "ciphers": [
      "string"
    ],
    "enabled": true,
    "minTLS": "1.0"
  },
  "success": true
}