Connect Opndrive to Cloudflare R2

R2 speaks the S3 API, so Opndrive works with it directly. You will need your account ID for the endpoint, since R2 addresses buckets per account rather than per region.

Provider

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Cloudflare R2S3 API with no egress feesChange

Add credentials

Open your drive

Setting up Cloudflare R2Optional

1. Allow this site in CORS

Open the Cloudflare dashboard, go to R2 Object Storage, choose your bucket, then Settings, then CORS Policy.

2. Paste this policy

{
    "AllowedMethods": [
        "GET",
        "PUT",
        "POST",
        "DELETE",
        "HEAD"
    ],
    "AllowedOrigins": [
        "https://your-domain.com"
    ],
    "ExposeHeaders": [
        "ETag"
    ],
    "MaxAgeSeconds": 3000
}

Replace https://your-domain.com with the address you use Opndrive from.

3. Permissions the key needs

Read
Write
Delete
List

Worth knowing

The region is almost always "auto". The endpoint contains your account ID, not a region, so copy it from the R2 bucket settings page.

Cloudflare R2 S3 API documentation