{"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","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":null,"retention_days":null,"verified_at":"2026-10-21T00:00:00.000Z","verified_basis":"inherited","checked_on":"2026-10-21","stale_on":"2026-11-04","n_evidence":6,"usd_month":null,"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},"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":"Not published","bytes":null,"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 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 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"}],"verdict":"qualifies-with-caveat","verified_at":"2026-10-21T00:00:00.000Z","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":"1 TB a month is 33 GB a day, which is 3% of the client's serving target, so the traffic figure binds long before the 500 GB of capacity does. 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"}},"claims":[{"path":"$.free_tier.stated","kind":"free-quota","num":100,"unit":"GB","per":null,"currency":null,"usd":null,"fx_date":null,"parse":"ok"},{"path":"$.limits[0].value","kind":"limit:per-ip-shaping","num":1,"unit":"TB","per":null,"currency":null,"usd":null,"fx_date":null,"parse":"ok"},{"path":"$.limits[1].value","kind":"limit:write-gated","num":500,"unit":"GB","per":null,"currency":null,"usd":null,"fx_date":null,"parse":"ok"},{"path":"$.price_per_tb_month","kind":"price-per-tb","num":29,"unit":"TB","per":"month","currency":"CNY","usd":null,"fx_date":null,"parse":"ok"}],"unknown":[],"history":[],"drift":[]}