{"event":{"id":"evt-hist-20260910-openai-agents-api-beta","dedupe_key":"public_beta_api_release:2026-09-10:openai-releases-agents-api-with-managed-codex-harness-in-public-beta","event_type":"public_beta_api_release","title":"OpenAI releases Agents API with managed Codex harness in public beta","summary":"On September 10 2026 OpenAI introduced the Agents API in public beta for developers. It provides managed agent orchestration, harness, context handling, hosted sandboxes and subagents behind an API. Availability is beta, not a guarantee of autonomous success or production fitness for every task.","occurred_at":"2026-09-10T00:00:00.000Z","published_at":"2026-09-10T00:00:00.000Z","observed_at":"2026-10-17T17:20:00.000Z","reconstructed_at":"2026-10-17T17:20:00.000Z","ingest_type":"historical_backfill","locations":null,"status":"verified","confidence":0.94,"metadata":{"actor_claims_are_actor_claims":1,"canon_absence_not_globally_proven":1,"date_precision":"day","evidence_only":1,"external_postcutoff_id":"2026-09-10-openai-agents-api-public-beta","milestone":"public_beta_api_release","no_world_or_snapshot_change":1},"created_at":"2026-10-17T19:25:06.946Z","updated_at":"2026-10-17T19:25:06.946Z"},"artifacts":[{"id":"art-hist-20260910-openai-agents-api-beta","dedupe_key":"3544451aab7b033d682f5dbdf8cad8b79636c430924d6f74ecb2b6104b002aaa","canonical_url":"https://openai.com/index/introducing-the-agents-api/","evidence_locator":"","artifact_type":"original_first_party_publication","title":"OpenAI releases Agents API with managed Codex harness in public beta","summary":"","creator_entities":[],"released_at":"2026-09-10T00:00:00.000Z","content_hash":null,"metadata":[],"created_at":"2026-10-17T19:25:06.946Z","updated_at":"2026-10-17T19:25:06.946Z","relation":"documented_by"}],"signals":[]}