{"rid":"storage/anthropic-claude-files-api","card":{"rid":"storage/anthropic-claude-files-api","eid":"claude","topic":"storage","slug":"anthropic-claude-files-api","provider":"Anthropic Claude Files API","url":"https://platform.claude.com/docs/en/build-with-claude/files","domain":"claude.com","category":"LLM provider /v1/files","tier":null,"verdict":"fails-egress","vorder":5,"grp":"rejected","confidence":"reported","binding":"per-object-cap","identity_kind":"any-phone","identity_basis":"stated","needs_card":0,"needs_phone":1,"needs_id":0,"needs_institution":0,"country":null,"crypto":null,"interfaces":"rest,cli","egress_metered":0,"per_object_bytes":500000000,"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":4,"usd_month":null,"usd_per_tb_month":null,"summary":"1 TB per organization; 500 MB per file; files persist until deleted or until expires_at","duplicate_of":null,"n_unknown":4},"record":{"topic":"storage","slug":"anthropic-claude-files-api","provider":"Anthropic Claude Files API","url":"https://platform.claude.com/docs/en/build-with-claude/files","category":"LLM provider /v1/files","free_tier":{"stated":"1 TB per organization; 500 MB per file; files persist until deleted or until expires_at","unit":"TB","metered_on":"unstated","source_url":"https://platform.claude.com/docs/en/build-with-claude/files","read_on":"2026-10-21","notes":null},"per_object_cap":{"stated":"500 MB per file","bytes":500000000,"source_url":"https://platform.claude.com/docs/en/build-with-claude/files","notes":"not stated"},"retention":{"stated":"1 TB per organization; 500 MB per file; files persist until deleted or until expires_at | per-object-cap 500 MB","source_url":"https://platform.claude.com/docs/en/build-with-claude/files","notes":"not stated"},"egress":{"terms":"No egress fee documented.","metered":false},"interface":["rest","cli"],"interface_detail":"REST POST/GET/DELETE /v1/files; GET /v1/files/{file_id}/content; `ant files` CLI; Python/TS/Go/Java/C# SDKs","tooling":"anthropic SDK; curl with x-api-key + anthropic-version headers","chaining":"1 TB per org, and 'Each organization can have up to 100 workspaces' with files scoped to the workspace. Nominally 100 TB if workspaces were a cheap axis — but see the read gate.","limits":[{"kind":"per-object-cap","value":"500 MB per file","source":"https://platform.claude.com/docs/en/build-with-claude/files"}],"limits_note":"per-object-cap 500 MB. Files cannot be modified or renamed after upload. Files API request size capped at 500 MB (Messages 32 MB, Batch 256 MB).","identity_cost":{"kind":"any-phone","detail":"any-phone","country":null},"reliability_note":"HARD READ GATE, stated in the docs not in a forum. 'Download files that were created by skills or the code execution tool. **Files you upload cannot be downloaded.**' This is the brief's rule 2 in its purest form: huge quota, real write path, no read path for your own bytes. Uploading is therefore write-only data loss. (Anthropic separately requires phone verification for new Console accounts.)","confidence":"reported","confidence_note":"One page read moves it to documented.","evidence":[{"url":"https://platform.claude.com/docs/en/build-with-claude/files","date":"2026-10-21","proved":"'Maximum file size: 500 MB for each file'; 'Total storage: 1 TB for each organization'; 'Download files that were created by skills or the code execution tool. Files you upload cannot be downloaded.'"},{"url":"https://platform.claude.com/docs/en/build-with-claude/files","date":"2026-10-21","proved":"'Each organization can have up to 100 workspaces'; 'Files are scoped to the workspace they were uploaded in'"},{"url":"https://support.claude.com/en/articles/8241126-upload-files-to-claude","date":"2026-10-21","proved":"consumer side is much smaller: 'Project files — File size: 30MB per file'"},{"url":"https://api.anthropic.com/v1/files?beta=true","date":"2026-10-21","proved":"PROBE: curl -D - -> HTTP 404 with a JSON error body, Cloudflare-fronted; endpoint does not answer unauthenticated (not a 0-byte 200)"}],"verdict":"fails-egress","verified_at":"2026-10-21T00:00:00.000Z","notes":"1 TB per organization; 500 MB per file; files persist until deleted or until expires_at","extras":{"dead_end":{"failure_class":"retention","why":"1 TB per organization; 500 MB per file; files persist until deleted or until expires_at","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":"$.free_tier.stated","kind":"free-quota","num":1,"unit":"TB","per":null,"currency":null,"usd":null,"fx_date":null,"parse":"ok"},{"path":"$.limits[0].value","kind":"limit:per-object-cap","num":500,"unit":"MB","per":null,"currency":null,"usd":null,"fx_date":null,"parse":"ok"}],"unknown":[["$.extras.dead_end.retry_when","process"],["$.free_tier.notes","process"],["$.per_object_cap.notes","not-extracted"],["$.retention.notes","not-extracted"]],"history":[],"drift":[]}