{"rid":"storage/b2share","card":{"rid":"storage/b2share","eid":"eudat","topic":"storage","slug":"b2share","provider":"B2SHARE (EUDAT)","url":"https://b2share.eudat.eu","domain":"eudat.eu","category":"academic","tier":null,"verdict":"qualifies-with-caveat","vorder":1,"grp":"usable","confidence":"reported","binding":"per-object-cap","identity_kind":"institution","identity_basis":"defaulted","needs_card":null,"needs_phone":null,"needs_id":null,"needs_institution":1,"country":null,"crypto":null,"interfaces":"rest,rclone","egress_metered":0,"per_object_bytes":10000000000,"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":3,"usd_month":null,"usd_per_tb_month":null,"summary":"20 GB per record, 10 GB per file, and explicitly unlimited records and unlimited files.","duplicate_of":null,"n_unknown":6},"record":{"topic":"storage","slug":"b2share","provider":"B2SHARE (EUDAT)","url":"https://b2share.eudat.eu","category":"academic","free_tier":{"stated":"20 GB per record, 10 GB per file, and explicitly unlimited records and unlimited files.","unit":"GB","metered_on":"unstated","source_url":"https://docs.eudat.eu/b2share/faq/","read_on":"2026-10-21","notes":null},"per_object_cap":{"stated":"10 GB per file","bytes":10000000000,"source_url":"https://docs.eudat.eu/b2share/faq/","notes":"not stated"},"retention":{"stated":"not stated","source_url":"https://docs.eudat.eu/b2share/faq/","notes":"not stated"},"egress":{"terms":"Free, unmetered, direct per-file content URLs (GET /api/records/<id>/files/<name>/content). No egress terms or pricing exist; EUDAT is publicly funded.","metered":false},"interface":["rest","rclone"],"interface_detail":"rest","tooling":"InvenioRDM-style REST API (live: GET /api/records?size=1 -> 200 with hits/entries and per-file content links); OAI-PMH; DOI minting (10.23728). Python client via plain requests. No rclone backend.","chaining":"20 GB per record x unlimited records. 50 records = 1 TB; 1,000 records = 20 TB in one account. The docs state outright 'There is no limit to the number of files you can deposit or records you can create'.","limits":[{"kind":"per-object-cap","value":"10 GB per file","source":"https://docs.eudat.eu/b2share/faq/"},{"kind":"write-gated","value":"review","source":"https://docs.eudat.eu/b2share/faq/"}],"limits_note":"10 GB per file, 20 GB per record — so 20 TB needs ~1,024 records, which trips EUDAT's 'fair share' clause: 'the uploading of large number of files or creating large number of records is not considered fair use' and they ask you to contact them first. Live rate limit header: x-ratelimit-limit: 500, x-ratelimit-remaining: 499.","identity_cost":{"kind":"institution","detail":"inferred from the category 'academic'; the source record states no identity cost, so this is a class assumption, not evidence","country":null},"reliability_note":"Rate-limited at 500 requests/window and watched for bulk growth; EUDAT says it 'will increase back-end storage capacity incrementally when necessary', which implies throttling rather than deletion, but the fair-share clause is the trigger for manual review.","confidence":"reported","confidence_note":"One page read moves it to documented.","evidence":[{"url":"https://docs.eudat.eu/b2share/faq/","date":"2026-10-21","proved":"'the maximum size for a record is 20 GB; and the maximum size for a file is 10 GB'"},{"url":"https://eudat.eu/services/userdoc/b2share-faq","date":"2026-10-21","proved":"'There is no limit to the number of files you can deposit or records you can create'; 'fair share' principle"},{"url":null,"date":"2026-10-21","proved":"probe: GET /api/records?size=1 -> 200, x-ratelimit-limit: 500, x-ratelimit-remaining: 499"}],"verdict":"qualifies-with-caveat","verified_at":"2026-10-21T00:00:00.000Z","notes":"20 GB per record, 10 GB per file, and explicitly unlimited records and unlimited files.","extras":{},"binding":"per-object-cap","binding_note":"the per-object cap sets the shard size and therefore the object count; it bounds the total more tightly than any headline quota"},"claims":[{"path":"$.free_tier.stated","kind":"free-quota","num":20,"unit":"GB","per":null,"currency":null,"usd":null,"fx_date":null,"parse":"ok"},{"path":"$.limits[0].value","kind":"limit:per-object-cap","num":10,"unit":"GB","per":null,"currency":null,"usd":null,"fx_date":null,"parse":"ok"},{"path":"$.limits[1].value","kind":"limit:write-gated","num":null,"unit":null,"per":null,"currency":null,"usd":null,"fx_date":null,"parse":"unparsed"}],"unknown":[["$.evidence[2].url","private-url"],["$.free_tier.notes","process"],["$.identity_cost.kind","identity-defaulted"],["$.per_object_cap.notes","not-extracted"],["$.retention.notes","not-extracted"],["$.retention.stated","not-extracted"]],"history":[],"drift":[]}