{"eid":"cachix","name":"Cachix","domain":"cachix.org","resolved_by":"domain","topics":["storage"],"n_records":2,"best_vorder":6,"review":null,"aliases":["Cachix","Cachix (Nix binary cache hosting)","cachix","cachix.org"],"records":[{"rid":"storage/cachix","card":{"rid":"storage/cachix","eid":"cachix","topic":"storage","slug":"cachix","provider":"Cachix (Nix binary cache hosting)","url":"https://www.cachix.org","domain":"cachix.org","category":"paas","tier":null,"verdict":"fails-quota","vorder":6,"grp":"rejected","self_hosted":0,"confidence":"reported","binding":"none","identity_kind":"email","identity_basis":"defaulted","needs_card":null,"needs_phone":null,"needs_id":null,"needs_institution":null,"country":null,"crypto":null,"interfaces":"rest,rclone,cli","egress_metered":0,"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":"2026-11-05","n_evidence":2,"usd_month":null,"usd_per_tb_month":null,"summary":"5 GB free for open-source projects: 'Users have a free 5 GB limit for open source projects and 20 Cachix Deploy agents.' Paid tiers start at 50 GiB.","duplicate_of":null,"n_unknown":10,"free_unit":"GB"},"record":{"topic":"storage","slug":"cachix","provider":"Cachix (Nix binary cache hosting)","url":"https://www.cachix.org","category":"paas","free_tier":{"stated":"5 GB free for open-source projects: 'Users have a free 5 GB limit for open source projects and 20 Cachix Deploy agents.' Paid tiers start at 50 GiB.","unit":"GB","metered_on":"unstated","source_url":"https://www.cachix.org/pricing","read_on":"2026-10-21","notes":null},"per_object_cap":{"stated":"not stated","source_url":"https://www.cachix.org/pricing","notes":"not stated"},"retention":{"stated":"not stated","source_url":"https://www.cachix.org/pricing","notes":"not stated"},"egress":{"terms":"Unlimited bandwidth even on the paid Starter tier ('Unlimited bandwidth', 'CloudFlare CDN caching'); free tier inherits the CF-backed delivery. Free egress is genuinely not the constraint here.","metered":false},"interface":["rest","rclone","cli"],"interface_detail":"rest","tooling":"`cachix` CLI (push/use), Nix `--substituters`, and the standard Nix binary-cache HTTP protocol (narinfo/nar). No rclone backend but the nar protocol is scriptable.","chaining":"one cache per account, 5 GB free; unlimited free accounts x 5 GB. Because a Nix cache is content-addressed and deduplicated, identical NARs are only stored once per cache - so multiplication is by account, not by file.","limits":[],"limits_note":"per-account quota: 5 GB hard on free (open-source only). retention: garbage collection removes unreferenced paths after a retention window (docs have a dedicated GC page). request-rate: not documented; served via Cloudflare.","identity_cost":{"kind":"email","detail":null,"country":null},"reliability_note":"Clean, documented, Cloudflare-fronted, unlimited bandwidth - the 5 GB is the only issue, and it is 100x short of the workload. Any Nix-cache-based plan is account-farming at 5 GB/account.","confidence":"reported","confidence_note":null,"evidence":[{"url":"https://www.cachix.org/pricing","date":"2026-10-21","proved":"'Users have a free 5 GB limit for open source projects and 20 Cachix Deploy agents'; '50 GiB of storage / Unlimited bandwidth / CloudFlare CDN caching' on Starter"},{"url":"https://cachix.org/api/v1/cache/nixpkgs","date":"2026-10-21","proved":"probe: GET -> 200, 241 bytes (cache endpoint live, anonymous)"}],"verdict":"fails-quota","verified_at":"2026-10-21T00:00:00.000Z","notes":"5 GB free for open-source projects: 'Users have a free 5 GB limit for open source projects and 20 Cachix Deploy agents.' Paid tiers start at 50 GiB.","extras":{"dead_end":{"failure_class":"quota","why":"5 GB free for open-source projects: 'Users have a free 5 GB limit for open source projects and 20 Cachix Deploy agents.' Paid tiers start at 50 GiB.","retry_when":null,"first_recorded":"2026-10-21"}},"binding":"none","binding_note":null},"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":5.0,"unit":"GB","per":null,"currency":null,"usd":null,"fx_date":null,"parse":"ok"}],"unknown":[["$.binding_note","boilerplate"],["$.confidence_note","withheld"],["$.extras.dead_end.retry_when","process"],["$.free_tier.notes","process"],["$.identity_cost.detail","defaulted"],["$.identity_cost.kind","identity-defaulted"],["$.per_object_cap.notes","not-extracted"],["$.per_object_cap.stated","not-extracted"],["$.retention.notes","not-extracted"],["$.retention.stated","not-extracted"]],"history":[],"drift":[]},{"rid":"storage/cachix-2","card":{"rid":"storage/cachix-2","eid":"cachix","topic":"storage","slug":"cachix-2","provider":"cachix","url":"https://www.cachix.org/pricing","domain":"cachix.org","category":"rejected-provider","tier":null,"verdict":"fails-quota","vorder":6,"grp":"rejected","self_hosted":0,"confidence":"documented","binding":"none","identity_kind":"email","identity_basis":"defaulted","needs_card":null,"needs_phone":null,"needs_id":null,"needs_institution":null,"country":null,"crypto":null,"interfaces":null,"egress_metered":0,"per_object_bytes":null,"retention_days":null,"verified_at":"2026-11-03T15:04:39.698Z","verified_basis":"live","checked_on":"2026-11-03","stale_on":"2026-12-04","n_evidence":3,"usd_month":null,"usd_per_tb_month":null,"summary":"5 GB free for open source. Cloudflare egress is genuinely unlimited, but 5 GB is the cap.","duplicate_of":null,"n_unknown":14,"free_unit":"none"},"record":{"topic":"storage","slug":"cachix-2","provider":"cachix","url":"https://www.cachix.org/pricing","category":"rejected-provider","free_tier":{"stated":"5 GB free for open source. Cloudflare egress is genuinely unlimited, but 5 GB is the cap.","unit":"none","metered_on":"none","source_url":"https://www.cachix.org/pricing","read_on":"2026-10-21","notes":null},"per_object_cap":{"stated":"not recorded","bytes":null,"source_url":"https://www.cachix.org/pricing","notes":"not recorded"},"retention":{"stated":"not recorded","days":null,"source_url":"https://www.cachix.org/pricing","notes":null},"egress":{"terms":"Unlimited bandwidth on the Starter, Standard and Pro plans, served through the CloudFlare CDN; egress is not capped or priced.","metered":false},"interface":["unknown"],"interface_detail":null,"tooling":"not recorded","chaining":"not recorded","limits":[],"limits_note":null,"identity_cost":{"kind":"email","detail":null,"country":null},"reliability_note":"5 GB free for open source. Cloudflare egress is genuinely unlimited, but 5 GB is the cap.","confidence":"documented","confidence_note":"the verdict rests on the vendor pricing page, read on 2026-11-03: it quotes the free 5 GB limit for open source projects and the unlimited bandwidth line of the paid plans","evidence":[{"url":"https://www.cachix.org/pricing","date":"2026-10-21","proved":"5 GB free for open source. Cloudflare egress is genuinely unlimited, but 5 GB is the cap."},{"url":"https://www.cachix.org/pricing","date":"2026-11-03","proved":"every paid plan (Starter, Standard, Pro) lists unlimited bandwidth","capture":"sha256:349e7f1fac99ef3afe21f124aefab09f8ad8e9bde5f268f43996c1664b521c5a","quote":"- Unlimited bandwidth"},{"url":"https://www.cachix.org/pricing","date":"2026-11-03","proved":"the free allowance is 5 GB for open source projects","capture":"sha256:349e7f1fac99ef3afe21f124aefab09f8ad8e9bde5f268f43996c1664b521c5a","quote":"Users have a free 5 GB limit for open source projects and 20 Cachix Deploy agents."}],"verdict":"fails-quota","verified_at":"2026-11-03T15:04:39.698Z","notes":"5 GB free for open source. Cloudflare egress is genuinely unlimited, but 5 GB is the cap.","extras":{"dead_end":{"failure_class":"egress","why":"5 GB free for open source. Cloudflare egress is genuinely unlimited, but 5 GB is the cap.","retry_when":null,"first_recorded":"2026-10-21"}},"binding":"none","binding_note":null},"claims":[{"path":"$.free_tier.stated","kind":"free-quota","num":5.0,"unit":"GB","per":null,"currency":null,"usd":null,"fx_date":null,"parse":"ok"}],"unknown":[["$.binding_note","boilerplate"],["$.chaining","not-recorded"],["$.extras.dead_end.retry_when","process"],["$.free_tier.notes","process"],["$.identity_cost.detail","defaulted"],["$.identity_cost.kind","identity-defaulted"],["$.interface","interface-unknown"],["$.interface_detail","withheld"],["$.limits_note","process"],["$.per_object_cap.notes","not-recorded"],["$.per_object_cap.stated","not-recorded"],["$.retention.notes","process"],["$.retention.stated","not-recorded"],["$.tooling","not-recorded"]],"history":[],"drift":[]}]}