{"eid":"1yunpan","name":"1yunpan","domain":"1yunpan.com","resolved_by":"domain","topics":["netdisk-pan"],"n_records":1,"best_vorder":1,"review":null,"aliases":["1yunpan","1yunpan (易云盘)","1yunpan.com"],"records":[{"rid":"netdisk-pan/1yunpan","card":{"rid":"netdisk-pan/1yunpan","eid":"1yunpan","topic":"netdisk-pan","slug":"1yunpan","provider":"1yunpan (易云盘)","url":"https://www.1yunpan.com","domain":"1yunpan.com","category":"Cloudreve-family drive with native S3 and WebDAV","tier":null,"verdict":"qualifies-with-caveat","vorder":1,"grp":"usable","self_hosted":0,"confidence":"reported","binding":"per-ip-shaping","identity_kind":"email","identity_basis":"stated","needs_card":0,"needs_phone":0,"needs_id":0,"needs_institution":0,"country":null,"crypto":null,"interfaces":"s3,webdav,rest","egress_metered":1,"per_object_bytes":32212254720,"retention_days":null,"verified_at":"2026-11-04T00:20:59.760Z","verified_basis":"inherited","checked_on":"2026-11-04","stale_on":"2026-11-19","n_evidence":15,"usd_month":4.3477,"usd_per_tb_month":null,"summary":"100 GB on registration plus 400 GB earned by daily check-in, so 500 GB is reachable on a free account but only through a login streak. The free plan also car...","duplicate_of":null,"n_unknown":0,"free_unit":"GiB"},"record":{"topic":"netdisk-pan","slug":"1yunpan","provider":"1yunpan (易云盘)","url":"https://www.1yunpan.com","category":"Cloudreve-family drive with native S3 and WebDAV","free_tier":{"stated":"100 GB on registration plus 400 GB earned by daily check-in, so 500 GB is reachable on a free account but only through a login streak. The free plan also carries 1 TB of monthly bandwidth","unit":"GiB","metered_on":"stored-bytes","source_url":"https://www.1yunpan.com/","read_on":"2026-10-21","notes":"the pricing block reads '100GB Storage +400GB via check-in' and the check-in panel says 'up to 500GB free'"},"per_object_cap":{"stated":"32212254720 bytes (30 GiB) per upload, as the site's published config.json sets limit.upload_allow_max_size","bytes":32212254720,"source_url":"https://www.1yunpan.com/"},"retention":{"stated":"Not published. The 400 GB is drip-fed by daily check-in, so an account that stops logging in cannot earn the rest","days":null,"source_url":"https://www.1yunpan.com/"},"egress":{"terms":"1 TB per month on the free Starter tier, published, then paid. Direct links are served from per-user subdomains with Cache-Control: public, max-age=15552000","metered":true,"free_allowance":"1 TB per month","price_per_tb":null,"source_url":"https://www.1yunpan.com/"},"interface":["s3","webdav","rest"],"tooling":"rclone s3 against s3.1yunpan.com, rclone webdav, s3cmd, any S3 SDK, and a raw GET on the per-user host. Registration is an email address and an emailed six-digit code with no phone field in the DOM; Google and GitHub OAuth are also offered","chaining":"The strongest chaining candidate in its group: a free bucket that answers both S3 and WebDAV drops into a chunk-and-replicate scheme as a first-class target with no AList shim. The 1 TB monthly bandwidth is the binding number, not the 500 GB of space","limits":[{"kind":"per-ip-shaping","value":"1 TB of bandwidth per month on the free tier","source":"https://www.1yunpan.com/"},{"kind":"write-gated","value":"400 of the 500 GB is granted 5 GB at a time by daily check-in","source":"https://www.1yunpan.com/"}],"identity_cost":{"kind":"email","detail":"an email address at one of a fixed list of domains (including gmail.com, qq.com, icloud.com, 163.com and yahoo.com) and an emailed six-digit code; the register form has username, password, confirm, email, email_code and an agreement checkbox with no phone or mobile input present","country":null},"reliability_note":"Reads are real: a 1,326,142,372-byte MP4 came back byte-exact against Content-Length with Range honoured, and a ranged GET returned 206 with a correct Content-Range. The site notice states that files uploaded between 2026-10-05_22:00:00 and 2026-10-30_23:59:59 are temporarily not downloadable and that file upload is temporarily stopped, and config.json sets upload.temporarily_disabled to true. The 400 GB is streak-gated, so an account that stops logging in loses headroom","confidence":"reported","evidence":[{"url":"https://www.1yunpan.com/","date":"2026-10-21","proved":"rendered pricing 'Starter CNY 0/month, 1TB Monthly Bandwidth, 100GB Storage +400GB via check-in'"},{"url":"probe:https://id5mjj37zbn85c.1yunpan.com/Videos/test.mp4","date":"2026-10-21","proved":"HTTP 200, Content-Length 1326142372, 1326142372 bytes downloaded, sha256 04b36ea0dc7a3bac5776b37432e16ad6d5a560a7da32b1ad7efbf00bfb5b6be7, so a 1.33 GB object came back byte-exact"},{"url":"probe:https://id5mjj37zbn85c.1yunpan.com/Videos/test.mp4#range","date":"2026-10-21","proved":"Range bytes=1000000-1000255 returned HTTP 206 with Content-Range bytes 1000000-1000255/1326142372 and 256 bytes"},{"url":"probe:https://s3.1yunpan.com/","date":"2026-10-21","proved":"HTTP 400 with S3 XML InvalidArgument / Invalid path, and /testbucket returned 403 AccessDenied / Missing AWS authentication, so it is a real S3 implementation"},{"url":"probe:https://s3.1yunpan.com/testbucket","date":"2026-10-21","proved":"403 AccessDenied with real S3 error semantics rather than a stub"},{"url":"https://www.1yunpan.com/register","date":"2026-10-21","proved":"the form DOM has username, password, confirm, email, email_code and 2FA support, and zero phone or mobile inputs"},{"url":"probe:https://www.1yunpan.com/config.json","date":"2026-11-03","proved":"the site config sets the per-upload size limit to 32212254720 bytes","capture":"sha256:6ce2e8085f6efcb6680948e05ef4cd11edc846997f85dc9948a0f5210d19570d","quote":"\"upload_allow_max_size\": 32212254720"},{"url":"probe:https://www.1yunpan.com/config.json","date":"2026-11-03","proved":"the config disables registration with any email domain and carries an email_whitelist of permitted domains","capture":"sha256:6ce2e8085f6efcb6680948e05ef4cd11edc846997f85dc9948a0f5210d19570d","quote":"\"allow_all_email_to_register\": 0,"},{"url":"https://www.1yunpan.com/","date":"2026-11-03","proved":"the front page carries a notice that files uploaded in a stated window are temporarily not downloadable, older files are unaffected, and file upload is temporarily stopped","capture":"sha256:ba040c4c5957d054c511d27c79634b26062899734df270bc6760b45649a73604","quote":"技术故障导致 2026-10-05_22:00:00 至 2026-10-30_23:59:59 期间上传的文件暂时无法下载，技术人员正在维护系统并从冷备份中恢复，我们会尽快恢复文件的正常下载。对于 2026-10-05:20:00:00 以前上传的文件均可正常下载未受影响。系统目前暂时停止文件上传功能。"},{"url":"probe:https://www.1yunpan.com/config.json","date":"2026-11-03","proved":"the config the web app loads sets upload.temporarily_disabled to true","capture":"sha256:6ce2e8085f6efcb6680948e05ef4cd11edc846997f85dc9948a0f5210d19570d","quote":"\"temporarily_disabled\": true,"},{"url":"probe:https://id5mjj37zbn85c.1yunpan.com/Videos/test.mp4#head","date":"2026-11-03","proved":"a HEAD on the demo MP4 answers HTTP 200 with Content-Length 1326142372","capture":"sha256:da84e4fbf59e71966245c47f355e5a175e03077211cf150a630a5f19f257c8cc","quote":"\"content-length\": \"1326142372\""},{"url":"probe:https://id5mjj37zbn85c.1yunpan.com/Videos/test.mp4#range","date":"2026-11-03","proved":"a ranged GET returns the matching Content-Range, so Range is honoured on the direct host","capture":"sha256:1da5e49ad74c30c1fe7d4115f6729ff103ae67da1c292d1ba45f6223db94ece7","quote":"\"content_range\": \"bytes 1000000-1000255/1326142372\""},{"url":"probe:https://s3.1yunpan.com/","date":"2026-11-03","proved":"the S3 endpoint answers an S3-shaped XML error body to an unauthenticated GET of the root","capture":"sha256:d8a819a2a379f435a64e66d22fc3da77424bdfec19ba321be0deb450c663c239","quote":"<Message>Invalid path</Message>"},{"url":"https://www.1yunpan.com/","date":"2026-11-03","proved":"the front-page Starter plan lists 1 TB of monthly bandwidth","capture":"sha256:8db69290d523f57ce63a5017f1035788ad618ef51cce49c294e25acefa49caec","quote":"1TB Monthly Bandwidth"},{"url":"https://www.1yunpan.com/","date":"2026-11-03","proved":"the front-page Starter plan still lists 100 GB of storage plus 400 GB via check-in","capture":"sha256:8db69290d523f57ce63a5017f1035788ad618ef51cce49c294e25acefa49caec","quote":"100GB Storage +400GB via check-in"}],"verdict":"qualifies-with-caveat","verified_at":"2026-11-04T00:20:59.760Z","price_per_tb_month":"Pro at CNY 29/month is 1 TB storage and 10 TB/month; the free tier is not purchasable and has no per-terabyte price","binding":"per-ip-shaping","binding_note":"One 1 TiB refill would exhaust a month in a single morning.","notes":"500 GB reachable on an email address with no phone is unusual, and the S3 endpoint answering real S3 error semantics is what makes it useful: rclone, restic and Duplicati can each treat an account as a bucket. The check-in ladder is a daily quota rather than a wall-clock trial, so it is repeatable, but it also means the account is worth less the moment the streak stops.","extras":{"access_mode":"registration-gated","free_tier_exists":true,"check_in_bytes":429496729600,"bandwidth_bytes_month":1099511627776,"oauth":["email","google","github"],"s3_endpoint":"https://s3.1yunpan.com","fronting":"direct links carry Server: cloudflare and CF-Cache-Status: DYNAMIC","fx":{"pair":"USD/CNY","rate":6.6702,"date":"2026-10-23","source":"ECB reference via frankfurter.app"}}},"claims":[{"path":"$.free_tier","kind":"has-free-tier","num":1.0,"unit":null,"per":null,"currency":null,"usd":null,"fx_date":null,"parse":"ok"},{"path":"$.free_tier.stated","kind":"free-quota","num":100.0,"unit":"GB","per":null,"currency":null,"usd":null,"fx_date":null,"parse":"ok"},{"path":"$.limits[0].value","kind":"limit:per-ip-shaping","num":1.0,"unit":"TB","per":null,"currency":null,"usd":null,"fx_date":null,"parse":"ok"},{"path":"$.limits[1].value","kind":"limit:write-gated","num":500.0,"unit":"GB","per":null,"currency":null,"usd":null,"fx_date":null,"parse":"ok"},{"path":"$.price_per_tb_month","kind":"price","num":29.0,"unit":null,"per":"month","currency":"CNY","usd":4.3477,"fx_date":"2026-10-23","parse":"ok"}],"unknown":[],"history":[],"drift":[]}]}