{"slug":"cloudflare-os-r2","verification":{"valid":false,"broken_at":0,"reason":"prev mismatch"},"count":27,"sources":[{"id":"s1","type":"publisher_documentation","url":"https://developers.cloudflare.com/r2/pricing/","title":"Cloudflare R2 pricing","quote":"There are no charges for egress bandwidth for any storage class.","summary":"The current Standard and Infrequent Access storage, operation, retrieval, free-tier and rounding rates.","publisher":"Cloudflare","author":"","date":"2026-07-26","claim_ids":["c1","c2","c3","c4","c5","c8","c9"]},{"id":"s2","type":"publisher_documentation","url":"https://developers.cloudflare.com/r2/how-r2-works/","title":"How R2 works","quote":"Cloudflare R2 is an S3-compatible object storage service with no egress fees, built on Cloudflare's global network.","summary":"Defines R2, its interfaces and its strong-consistency architecture.","publisher":"Cloudflare","author":"","date":"2026-07-26","claim_ids":["c9"]},{"id":"s3","type":"specification","url":"https://developers.cloudflare.com/r2/api/workers/workers-api-reference/","title":"Workers R2 API reference","quote":"R2 writes are strongly consistent. Once the Promise resolves, all subsequent read operations will see this key value pair globally.","summary":"The exact binding methods, limits and consistency contract used by the runnable examples.","publisher":"Cloudflare","author":"","date":"2026-07-26","claim_ids":["c10","c13","c7","c9"]},{"id":"s4","type":"specification","url":"https://developers.cloudflare.com/r2/api/s3/api/","title":"S3 API compatibility","quote":"When using the S3 API, the region for an R2 bucket is auto","summary":"The implemented and unsupported S3 operations, including the absent versioning and Object Lock calls.","publisher":"Cloudflare","author":"","date":"2026-07-26","claim_ids":["c6"]},{"id":"s5","type":"publisher_documentation","url":"https://developers.cloudflare.com/r2/buckets/storage-classes/","title":"R2 storage classes","quote":"Infrequent Access storage is ideal for data that is accessed less frequently.","summary":"Documents the retrieval fee and 30-day minimum that determine when Infrequent Access pays.","publisher":"Cloudflare","author":"","date":"2026-07-26","claim_ids":["c4","c5"]},{"id":"s6","type":"publisher_documentation","url":"https://developers.cloudflare.com/r2/buckets/object-lifecycles/","title":"R2 object lifecycles","quote":"Object lifecycles determine the retention period of objects uploaded to your bucket and allow you to specify when objects should transition from Standard storage to Infrequent Access storage.","summary":"The transition and expiration rules used to control cold storage and stale multipart uploads.","publisher":"Cloudflare","author":"","date":"2026-07-26","claim_ids":["c5","c7"]},{"id":"s7","type":"publisher_documentation","url":"https://developers.cloudflare.com/r2/buckets/bucket-locks/","title":"R2 bucket locks","quote":"Bucket locks prevent the deletion and overwriting of objects in an R2 bucket for a specified period — or indefinitely.","summary":"The retention control R2 offers in place of S3 Object Lock, and its exact boundary.","publisher":"Cloudflare","author":"","date":"2026-07-26","claim_ids":["c6"]},{"id":"s8","type":"publisher_documentation","url":"https://developers.cloudflare.com/r2/buckets/public-buckets/","title":"R2 public buckets","quote":"Expose your bucket using a Cloudflare-managed https://r2.dev subdomain for non-production use cases.","summary":"The three public-serving paths and the non-production status of r2.dev.","publisher":"Cloudflare","author":"","date":"2026-07-26","claim_ids":["c12"]},{"id":"s9","type":"specification","url":"https://developers.cloudflare.com/r2/api/s3/presigned-urls/","title":"R2 presigned URLs","quote":"Presigned URLs are generated client-side with no communication with R2, requiring only your R2 API credentials and an implementation of the AWS Signature Version 4 signing algorithm.","summary":"The exact signing model for direct browser uploads and expiring downloads.","publisher":"Cloudflare","author":"","date":"2026-07-26","claim_ids":["c11"]},{"id":"s10","type":"publisher_documentation","url":"https://developers.cloudflare.com/r2/platform/limits/","title":"R2 limits","quote":"5 GiB (single-part) / 4.995 TiB (multi-part)","summary":"The current object, key, metadata, multipart and managed-public-bucket limits.","publisher":"Cloudflare","author":"","date":"2026-07-26","claim_ids":["c10","c12","c15"]},{"id":"s11","type":"publisher_documentation","url":"https://developers.cloudflare.com/kv/platform/limits/","title":"Workers KV limits","quote":"25 MiB","summary":"The maximum KV value size used in the storage decision table.","publisher":"Cloudflare","author":"","date":"2026-07-26","claim_ids":["c15"]},{"id":"s12","type":"publisher_documentation","url":"https://developers.cloudflare.com/d1/platform/limits/","title":"D1 limits","quote":"2,000,000 bytes (2 MB)","summary":"The exact D1 string, BLOB and row ceiling behind the R2 offload pattern.","publisher":"Cloudflare","author":"","date":"2026-07-26","claim_ids":["c14","c15"]},{"id":"s13","type":"publisher_documentation","url":"https://developers.cloudflare.com/durable-objects/platform/limits/","title":"Durable Objects limits","quote":"Each SQLite-backed Durable Object has a storage limit of 10 GB on a Workers Paid plan.","summary":"The per-object storage ceiling used in the storage decision table.","publisher":"Cloudflare","author":"","date":"2026-07-26","claim_ids":["c15"]},{"id":"s14","type":"publisher_documentation","url":"https://www.cloudflare.com/service-specific-terms-developer-platform/","title":"Cloudflare Developer Platform terms","quote":"Cloudflare may temporarily limit your storage and/or the number of requests you can make or receive using the Developer Platform if processing such requests would put an undue burden on the Cloudflare network","summary":"The contractual boundary for Developer Platform rate limiting.","publisher":"Cloudflare","author":"","date":"2026-07-26","claim_ids":["c8"]},{"id":"s15","type":"specification","url":"https://pricing.us-east-1.amazonaws.com/offers/v1.0/aws/AmazonS3/current/us-east-1/index.json","title":"AWS S3 us-east-1 Price List API","quote":"$0.023 per GB - first 50 TB / month of storage used","summary":"Machine-readable AWS storage and request rates used in the 1 TB plus 10 TB comparison.","publisher":"Amazon Web Services","author":"","date":"2026-07-26","claim_ids":["c2","c3","c4"]},{"id":"s16","type":"github","url":"https://github.com/cloudflare/cloudflare-docs/issues/19190","title":"Clarify presigned URL docs","quote":"I did notice that after reading through the entire documentation and those linked pages.","summary":"A repository issue showing a real presigned-URL integration failure and the documentation repair.","publisher":"GitHub — cloudflare/cloudflare-docs","author":"harshil1712","date":"2025-01-22","claim_ids":["c11","c7"]},{"id":"s17","type":"github","url":"https://github.com/cloudflare/workers-sdk/issues/3520","title":"Unable to put an object with a key containing three dots to R2","quote":"Failed to fetch /accounts/*/r2/buckets/*/objects/assets/_...slug_.abcd1234.css - 403: Forbidden","summary":"A minimal Wrangler/R2 path-handling failure, visible in the product repository issue tracker.","publisher":"GitHub — cloudflare/workers-sdk","author":"tkngaejcpi","date":"2023-06-25","claim_ids":["c12"]},{"id":"s18","type":"independent_measurement","url":"https://aimultiple.com/cloud-object-storage","title":"Cloud object storage benchmark","quote":"All tests ran from Europe against each provider’s EU-region endpoint.","summary":"An independent five-provider benchmark with geography, file sizes, throughput and latency published with its method.","publisher":"AIMultiple","author":"Sedat Dogan","date":"2026-06-16","claim_ids":["c17"]},{"id":"s19","type":"hn","url":"https://news.ycombinator.com/item?id=31314273","title":"The next chapter for Cloudflare Workers: open-source","quote":"So, with R2 you get unlimited egress, 500x the free limit on requests and flat global pricing. Oh, and the actual storage is cheaper.","summary":"Cloudflare's CTO laying out the free-tier comparison against S3 with exact numbers (10M vs 20k GETs, 1M vs 2k PUTs, unlimited vs 100GB egress). Positive, and a vendor employee speaking first-hand rather than a docs page.","publisher":"Hacker News","author":"jgrahamc","date":"2022-05-09","claim_ids":["c1"]},{"id":"s20","type":"hn","url":"https://news.ycombinator.com/item?id=36392670","title":"How Canva saves Amazon S3 costs","quote":"See the Docker x Cloudflare case study where improving cache-hit ratio by 2% (by moving to R2) decreased S3 egress fee by 66%","summary":"Cites a concrete egress number in an S3-cost thread: a 2% cache-hit-ratio improvement from moving to R2 cut Docker's S3 egress bill by 66%. Positive, with a hard percentage.","publisher":"Hacker News","author":"ignoramous","date":"2023-06-19","claim_ids":["c13"]},{"id":"s21","type":"hn","url":"https://news.ycombinator.com/item?id=41753985","title":"WordPress Plugin Mirror Downloader (Proof of Concept)","quote":"All up, it would be US$5.35/month starting costs which will rise as number of WordPress plugins and Worker usage increases as outlined here. Cloudflare CDN bandwidth is free of charge, so no need to worry about egress bandwidth fees.","summary":"Full cost breakdown for a real 33GB WordPress plugin mirror on R2 + Workers: under $0.35/month storage, Class A/B ops inside the free quota, 765K Worker requests/day at 2.1ms median CPU, total $5.35/month. Positive, with itemized numbers.","publisher":"Hacker News","author":"3eb7988a1663","date":"2024-10-06","claim_ids":["c1","c3"]},{"id":"s22","type":"hn","url":"https://news.ycombinator.com/item?id=47700966","title":"Ask HN: S3(AWS) vs R2(CF)–Which is better?","quote":"R2's zero egress pricing is genuinely compelling for anything serving large files publicly - media, assets, user uploads. If your use case is \"store stuff and serve it to users,\" R2 wins on cost.","summary":"Runs multi-region on AWS and stays on S3 because of IAM/CloudFront/ECS/Lambda integration, but says R2 wins outright when the workload is serve-to-users and bandwidth is a real line item. Mixed — a clear statement of where the egress saving does and does not pay.","publisher":"Hacker News","author":"JoshBlythe","date":"2026-04-09","claim_ids":["c15","c18","c4"]},{"id":"s23","type":"hn","url":"https://news.ycombinator.com/item?id=42257068","title":"Comparing AWS S3 with Cloudflare R2: Price, Performance and User Experience","quote":"It's not mentioned, but important to note, that R2 lacks object versioning.","summary":"Flags missing object versioning as an omission from the comparison. A downstream reply notes versioning and Object Lock are core malware/human-error protections; others say you must reimplement versioning yourself in a Worker. Negative.","publisher":"Hacker News","author":"kevlened","date":"2024-11-27","claim_ids":["c6"]},{"id":"s24","type":"hn","url":"https://news.ycombinator.com/item?id=33865229","title":"Hetzner continues its growth in the US with a new location","quote":"They claim $0 egress fees, but their free \"Class A operations (mutate state)\" and \"Class B operations (read state)\" have a mothly cap. After that you pay by the number. Isn't that an egress free?","summary":"Reader of the R2 pricing page arguing the \"$0 egress\" claim is undercut by metered Class A/B operations once the monthly free cap is exceeded. Negative — the class-ops gotcha stated plainly.","publisher":"Hacker News","author":"Archelaos","date":"2022-12-05","claim_ids":["c18"]},{"id":"s25","type":"hn","url":"https://news.ycombinator.com/item?id=42257094","title":"Comparing AWS S3 with Cloudflare R2: Price, Performance and User Experience","quote":"Is R2 egress actually free, or is it like CFs CDN egress which is \"free\" until they arbitrarily decide you're using it too much or using it for the wrong things so now you have to pay $undisclosed per GB?","summary":"Questions whether R2's free egress carries the same undisclosed enforcement risk as Cloudflare CDN bandwidth. Spawned a long subthread about Cloudflare terminating heavy or disfavoured users. Negative.","publisher":"Hacker News","author":"jsheard","date":"2024-11-27","claim_ids":["c8"]},{"id":"s26","type":"reddit","url":"https://old.reddit.com/r/CloudFlare/comments/1qhbrey/cloudflare_r2_let_me_serve_almost_twice_as_much/","title":"Cloudflare R2 let me serve almost twice as much data this month as the SEC for $10.80","quote":"I maintain an archive of every SEC filing, accessible via api. I store each filing in R2, compressed with zstandard. I cache egress.","summary":"Full SEC filing archive served from R2 with zstd compression and cached egress, total monthly cost $10.80 while serving roughly twice the SEC's own volume. Positive with a real number, the clearest R2-vs-S3-egress datapoint found.","publisher":"Reddit","author":"u/status-code-200","date":"2026-01-19","claim_ids":["c18"]},{"id":"s27","type":"runtime_receipt","url":"https://miscsubjects.com/img/up/cloudflare-os-r2-hero-card.png","title":"Live R2 object headers","quote":"cache-control: public, max-age=31536000","summary":"First-party production receipt: a 51,205-byte public object returned the cache header shown, with the command and timing published in the article.","publisher":"miscsubjects.com","author":"","date":"2026-07-26","claim_ids":["c13","c14","c16","c17"]}]}