environments changedmanaged-agents/environments
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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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66 topic:
77 title: Managed Agents
88 url: https://platform.claude.com/docs/en/managed-agents/overview
9 status: beta
109 betaHeader: managed-agents-2026-04-01
10 zdr:
11 eligibility: not-eligible
12 note: Sessions are stateful resources; transcripts persist until you delete them. Applies to all Managed Agents sub-features, including Self-hosted sandboxes.
13 supportedModels:
14 - claude-fable-5-1
15 - claude-mythos-5-1
16 - claude-fable-5
17 - claude-mythos-5
18 - claude-mythos-preview
19 - claude-opus-5-5
20 - claude-opus-5
21 - claude-sonnet-5-5
22 - claude-sonnet-5
23 - claude-haiku-5-5
24 - claude-haiku-4-5-20251001
25 - claude-opus-4-8
26 - claude-opus-4-7
27 - claude-opus-4-6
28 - claude-sonnet-4-6
29 - claude-opus-4-5-20251101
30 - claude-sonnet-4-5-20250929
1131---
1232
1333Environments define the sandbox configuration where your agent runs. You create an environment once, then reference its ID each time you start a session. Multiple sessions can share the same environment, but each session gets its own isolated sandbox (a fresh Linux container).
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800820 Create a session to run your agent and start running tasks.
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823
824## Availability
825
826Cloud sandboxes are available on every model.
827
828### API support
829
830#### [Managed Agents](https://platform.claude.com/docs/en/managed-agents/overview)
831
832* Availability: Available
833
834| Status | Cloud platforms | Models |
835| --------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ | ----------------------------------------------------------------- |
836| Available | Claude API, [Claude Platform on AWS](https://platform.claude.com/docs/en/build-with-claude/claude-platform-on-aws), [Claude Models on Google Cloud (Anthropic managed)](https://platform.claude.com/docs/en/build-with-claude/claude-models-on-google-cloud/anthropic-managed) | [All models](https://platform.claude.com/docs/en/models/overview) |
837
838### Required beta headers
839
840[Beta headers overview](https://platform.claude.com/docs/en/api/beta-headers)
841
842Beta headers allow you to access experimental features and new model capabilities before they become part of the standard API.
843
844* `managed-agents-2026-04-01`
845
846### Data handling
847
848[Data handling overview](https://platform.claude.com/docs/en/manage-claude/api-and-data-retention#feature-eligibility)
849
850| Item | Zero data retention | HIPAA |
851| ------- | -------------------------------------------------------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------- |
852| Status | Not eligible | Not eligible |
853| 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. |
854
855Applicable endpoints:
856
857* `/v1/agents`
858* `/v1/sessions`
859* `/v1/environments`
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