self-hosted-sandboxes-workers changedmanaged-agents/self-hosted-sandboxes-workers
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## Availability ### API support #### [Managed Agents](https://platform.claude.com/docs/en/managed-agents/overview) ### Required beta headers ### Data handling
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88 url: https://platform.claude.com/docs/en/managed-agents/overview
99 status: beta
1010 betaHeader: managed-agents-2026-04-01
11 zdr:
12 eligibility: not-eligible
13 note: Sessions are stateful resources; transcripts persist until you delete them. Applies to all Managed Agents sub-features, including Self-hosted sandboxes.
14 supportedModels:
15 - claude-fable-5-1
16 - claude-mythos-5-1
17 - claude-fable-5
18 - claude-mythos-5
19 - claude-mythos-preview
20 - claude-opus-5-5
21 - claude-opus-5
22 - claude-sonnet-5-5
23 - claude-sonnet-5
24 - claude-haiku-5-5
25 - claude-haiku-4-5-20251001
26 - claude-opus-4-8
27 - claude-opus-4-7
28 - claude-opus-4-6
29 - claude-sonnet-4-6
30 - claude-opus-4-5-20251101
31 - claude-sonnet-4-5-20250929
32 supportedPlatforms:
33 Claude API: beta
34 Claude Platform on AWS: beta
1135---
1236
1337The [quickstart](https://platform.claude.com/docs/en/managed-agents/self-hosted-sandboxes#quickstart) runs one `ant` CLI worker that polls continuously and runs every session in one process. This page covers the other ways to run a worker and how to choose among them.
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900924 Shared responsibility model for self-hosted sandbox environments.
901925 </Card>
902926</CardGroup>
927
928## Availability
929
930Self-hosted workers are in beta on every model.
931
932### API support
933
934#### [Managed Agents](https://platform.claude.com/docs/en/managed-agents/overview)
935
936* Availability: Available
937
938| Status | Cloud platforms |
939| ------ | ------------------------------------------------------------------------------------------------------------------ |
940| Beta | Claude API, [Claude Platform on AWS](https://platform.claude.com/docs/en/build-with-claude/claude-platform-on-aws) |
941
942### Required beta headers
943
944[Beta headers overview](https://platform.claude.com/docs/en/api/beta-headers)
945
946Beta headers allow you to access experimental features and new model capabilities before they become part of the standard API.
947
948* `managed-agents-2026-04-01`
949
950### Data handling
951
952[Data handling overview](https://platform.claude.com/docs/en/manage-claude/api-and-data-retention#feature-eligibility)
953
954| Item | Zero data retention | HIPAA |
955| ------- | -------------------------------------------------------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------- |
956| Status | Not eligible | Not eligible |
957| Details | Sessions are stateful resources; transcripts persist until you delete them. Applies to all Managed Agents sub-features, including Self-hosted sandboxes. | Applies to all Managed Agents sub-features, including Self-hosted sandboxes. |
958
959Applicable endpoints:
960
961* `/v1/agents`
962* `/v1/sessions`
963* `/v1/environments`
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