{"id":"yc-oss","name":"yc-oss/api (Y Combinator companies)","url":"https://yc-oss.github.io/api/","category":["data","startups","market-research"],"one_liner":"A free, keyless JSON API of every publicly-launched Y Combinator company (6,200+), refreshed daily from YC's own Algolia index. Self-describing via a meta.json index; fetch a whole file (all / top / by-batch / by-industr","a_score":95,"band":"native","dimensions":{"access":25,"payment":25,"interface":18,"completion":20,"docs":7},"permission":{"status":"unstated","source":"https://github.com/yc-oss/api"},"blocker":{"kind":"none"},"how_to_use":{"interface":"rest","mcp":false,"openapi":false,"base_url":"https://yc-oss.github.io/api/","payment":{"model":"free","currencies":[],"reference_task_cost_usd":0}},"verified":{"verdict":"completed","at":"2026-09-05","human_interventions":0,"transcript_sha":"sha256:3b14dbb9c9a6fa0dba02dc77c4ec934b0602b0e4bab68433be05f17c909eb3a4"},"rubric":"sha256:cd605a44799f49951bf078fda63c5b21ad3c07db494f41d38ad19ce729c5551a","last_verified_at":"2026-09-05","audit_url":"/entry/yc-oss/audit.json","compact_note":"Public machine card is compacted for FANA scanner compatibility and deployment size. Full source entry and signed audit event body remain in the ag3ntsearch git tree; audit_url publishes hash-chain provenance."}