{"rid":"storage/stoat-autumn-file-service","card":{"rid":"storage/stoat-autumn-file-service","eid":"stoat","topic":"storage","slug":"stoat-autumn-file-service","provider":"Stoat (formerly Revolt) + Autumn file service","url":"https://stoat.chat/","domain":"stoat.chat","category":"messaging","tier":null,"verdict":"fails-quota","vorder":6,"grp":"rejected","confidence":"reported","binding":"per-object-cap","identity_kind":"email","identity_basis":"defaulted","needs_card":null,"needs_phone":null,"needs_id":null,"needs_institution":null,"country":null,"crypto":null,"interfaces":"rest","egress_metered":0,"per_object_bytes":20000000,"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 MB per file, no subscription: 'Custom emojis, a 20MB file upload limit and a server-specific profile picture with no subscription required.' No published ...","duplicate_of":null,"n_unknown":7},"record":{"topic":"storage","slug":"stoat-autumn-file-service","provider":"Stoat (formerly Revolt) + Autumn file service","url":"https://stoat.chat/","category":"messaging","free_tier":{"stated":"20 MB per file, no subscription: 'Custom emojis, a 20MB file upload limit and a server-specific profile picture with no subscription required.' No published total-storage cap and no paid tier that raises the file size.","unit":"MB","metered_on":"stored-bytes","source_url":"https://stoat.chat/","read_on":"2026-10-21","notes":null},"per_object_cap":{"stated":"20 MB per file","bytes":20000000,"source_url":"https://stoat.chat/","notes":"not stated"},"retention":{"stated":"not stated","source_url":"https://stoat.chat/","notes":"not stated"},"egress":{"terms":"Free and — importantly — UNSIGNED. Autumn 301s to cdn.stoatusercontent.com and the object URL is a bare path with no expiry parameters, unlike Discord. So a stored URL stays valid and is trivially Cloudflare-cacheable.","metered":false},"interface":["rest"],"interface_detail":"rest","tooling":"Genuinely open: 'Our public API is so powerful that we use it ourselves for the official apps', API root answers live (GET https://api.revolt.chat/ -> {\"stoat\":\"0.16.2\",\"revolt\":\"0.16.2\", features...}). Backend is open source (revoltchat/autumn, stoatchat/*). Self-hostable, which is both the appeal and the caveat.","chaining":"Unlimited servers x unlimited channels with a 20 MB cap, so 1 TB needs ~52,000 uploads. With no signed URLs, the reads are the easy part; the writes are the bottleneck.","limits":[{"kind":"per-object-cap","value":"20 MB per file","source":"https://stoat.chat/"}],"limits_note":"20 MB per file is fixed and low; there is no path to a bigger unit. Upload limits are server-configurable only on SELF-hosted instances ('Upload limits are controlled via the Autumn config'), so on the public instance you are stuck at 20 MB.","identity_cost":{"kind":"email","detail":null,"country":null},"reliability_note":"Smaller operator, recent rebrand to Stoat, and the public instance runs human-verification step on signup. Data longevity is a real question for a 20 TiB cold archive; treat as experimental.","confidence":"reported","confidence_note":"One page read moves it to documented.","evidence":[{"url":"https://stoat.chat/","date":"2026-10-21","proved":"'Custom emojis, a 20MB file upload limit and a server-specific profile picture with no subscription required'"},{"url":"https://autumn.revolt.chat/attachments/abc123","date":"2026-10-21","proved":"probe: curl -D - -> 301 location: https://cdn.stoatusercontent.com/attachments/abc123 (no signature, no expiry params)"},{"url":"https://api.revolt.chat/","date":"2026-10-21","proved":"probe: curl -> 200, {\"stoat\":\"0.16.2\",...} — public API live"}],"verdict":"fails-quota","verified_at":"2026-10-21T00:00:00.000Z","notes":"20 MB per file, no subscription: 'Custom emojis, a 20MB file upload limit and a server-specific profile picture with no subscription required.' No published total-storage cap and no paid tier that raises the file size.","extras":{"dead_end":{"failure_class":"quota","why":"20 MB per file, no subscription: 'Custom emojis, a 20MB file upload limit and a server-specific profile picture with no subscription required.' No published total-storage cap and no paid tier that raises the file size.","retry_when":null,"first_recorded":"2026-10-21"}},"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":"$.free_tier.stated","kind":"free-quota","num":20,"unit":"MB","per":null,"currency":null,"usd":null,"fx_date":null,"parse":"ok"},{"path":"$.limits[0].value","kind":"limit:per-object-cap","num":20,"unit":"MB","per":null,"currency":null,"usd":null,"fx_date":null,"parse":"ok"}],"unknown":[["$.extras.dead_end.retry_when","process"],["$.free_tier.notes","process"],["$.identity_cost.detail","defaulted"],["$.identity_cost.kind","identity-defaulted"],["$.per_object_cap.notes","not-extracted"],["$.retention.notes","not-extracted"],["$.retention.stated","not-extracted"]],"history":[],"drift":[{"kind":"duplicate-disagrees","subject":"storage/stoat-autumn-file-service","other":"storage/stoat-official-instance","field":"verdict","a":"fails-quota","b":"qualifies-with-caveat","detail":null}]}