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# title: Archive Session url: https://platform.claude.com/docs/en/api/beta/sessions/archive

# Archive Session

POST /v1/sessions/{session_id}/archive

Archive Session

# Path parameters

  • session_id: string

# Headers

  • "anthropic-beta": optional array of AnthropicBeta

    Optional header to specify the beta version(s) you want to use.

    • string

    • "message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 43 more

      • "message-batches-2024-09-24"

      • "prompt-caching-2024-07-31"

      • "computer-use-2024-10-22"

      • "computer-use-2025-01-24"

      • "pdfs-2024-09-25"

      • "token-counting-2024-11-01"

      • "token-efficient-tools-2025-02-19"

      • "output-128k-2025-02-19"

      • "files-api-2025-04-14"

      • "mcp-client-2025-04-04"

      • "mcp-client-2025-11-20"

      • "dev-full-thinking-2025-05-14"

      • "interleaved-thinking-2025-05-14"

      • "code-execution-2025-05-22"

      • "extended-cache-ttl-2025-04-11"

      • "context-1m-2025-08-07"

      • "context-management-2025-06-27"

      • "model-context-window-exceeded-2025-08-26"

      • "skills-2025-10-02"

      • "fast-mode-2026-02-01"

      • "output-300k-2026-03-24"

      • "user-profiles-2026-03-24"

      • "user-profiles-2026-08-18"

      • "user-profiles-2026-09-04"

      • "advisor-tool-2026-03-01"

      • "managed-agents-2026-04-01"

      • "cache-diagnosis-2026-04-07"

      • "dreaming-2026-04-21"

      • "thinking-token-count-2026-05-13"

      • "server-side-fallback-2026-06-01"

      • "server-side-fallback-2026-07-01"

      • "fallback-credit-2026-06-01"

      • "fallback-credit-2026-07-01"

      • "agent-memory-2026-07-22"

      • "mid-conversation-tool-changes-2026-07-01"

      • "compact-2026-01-12"

      • "computer-use-2025-11-24"

      • "mcp-tunnels-2026-06-22"

      • "structured-outputs-2025-11-13"

      • "task-budgets-2026-03-13"

      • "thinking-display-updates-2026-08-18"

      • "ce-user-management-2026-07-13"

      • "mid-conversation-output-config-2026-07-01"

      • "thinking-binding-controls-2026-08-01"

      • "mid-conversation-system-clear-at-2026-08-21"

      • "compact-2026-09-04"

  • "anthropic-workspace-id": optional string

# Returns

  • BetaManagedAgentsSession object

    A Managed Agents session.

    • type: "session"

    • id: string

    • agent: BetaManagedAgentsSessionAgent

      Resolved agent definition for a session. Snapshot of the agent at session creation time.

      • type: "agent"

      • id: string

      • description: string or null

      • mcp_servers: array of BetaManagedAgentsMCPServerURLDefinition

        • type: "url"

        • name: string

        • url: string

      • model: BetaManagedAgentsModelConfig

        Model identifier and configuration.

        • id: BetaManagedAgentsModel

          The model that will power your agent.

          See models for additional details and options.

          • "claude-fable-5-1" or "claude-sonnet-5" or "claude-fable-5" or 11 more

            The model that will power your agent.

            See models for additional details and options.

            • "claude-fable-5-1"

              Frontier intelligence for ambitious tasks across coding, scientific discovery, and enterprise workflows

            • "claude-sonnet-5"

              High-performance model for coding and agents

            • "claude-fable-5"

              Next generation of intelligence for the hardest knowledge work and coding problems

            • "claude-opus-5"

              Powerful intelligence for long-running agents and coding

            • "claude-opus-4-8"

              Powerful intelligence for long-running agents and coding

            • "claude-opus-4-7"

              Powerful intelligence for long-running agents and coding

            • "claude-opus-4-6"

              Powerful intelligence for long-running agents and coding

            • "claude-sonnet-4-6"

              Best combination of speed and intelligence

            • "claude-haiku-4-5"

              Fastest model with near-frontier intelligence

            • "claude-haiku-4-5-20251001"

              Fastest model with near-frontier intelligence

            • "claude-opus-4-5"

              Powerful intelligence for long-running agents and coding

            • "claude-opus-4-5-20251101"

              Powerful intelligence for long-running agents and coding

            • "claude-sonnet-4-5"

              High-performance model for agents and coding

            • "claude-sonnet-4-5-20250929"

              High-performance model for agents and coding

          • string

        • effort: optional BetaManagedAgentsEffortLow or BetaManagedAgentsEffortMedium or BetaManagedAgentsEffortHigh or 2 more

          How hard Claude works on each turn. Sets output_config.effort on every Messages call the session makes.

          • BetaManagedAgentsEffortLow object

            Low effort. Favors latency over reasoning depth.

            • type: "low"
          • BetaManagedAgentsEffortMedium object

            Medium effort. Balances latency and reasoning depth.

            • type: "medium"
          • BetaManagedAgentsEffortHigh object

            High effort. Favors reasoning depth.

            • type: "high"
          • BetaManagedAgentsEffortXhigh object

            Extra-high effort. Not all models accept this level.

            • type: "xhigh"
          • BetaManagedAgentsEffortMax object

            Maximum effort. Favors reasoning depth over latency.

            • type: "max"
        • inference_geo: optional string

          Geographic region for model inference. When unset, requests fall through to the workspace's default_inference_geo.

        • speed: optional "standard" or "fast"

          Inference speed mode. fast provides significantly faster output token generation at premium pricing. Not all models support fast; invalid combinations are rejected at create time.

          • "standard"

          • "fast"

      • multiagent: BetaManagedAgentsSessionMultiagentCoordinator or null

        Resolved coordinator topology with full agent definitions for each roster member.

        • type: "coordinator"

        • agents: array of BetaManagedAgentsSessionThreadAgent or BetaManagedAgentsAdvisor

          Full agent definitions the coordinator may spawn as session threads.

          • BetaManagedAgentsSessionThreadAgent object

            Resolved agent definition for a single session_thread. Snapshot of the agent at thread creation time. The multiagent roster is not repeated here; read it from Session.agent.

            • type: "agent"

            • id: string

            • description: string or null

            • mcp_servers: array of BetaManagedAgentsMCPServerURLDefinition

              • type: "url"

              • name: string

              • url: string

            • model: BetaManagedAgentsModelConfig

              Model identifier and configuration.

            • name: string

            • skills: array of BetaManagedAgentsAnthropicSkill or BetaManagedAgentsCustomSkill

              • BetaManagedAgentsAnthropicSkill object

                A resolved Anthropic-managed skill.

                • type: "anthropic"

                • skill_id: string

                • version: string

              • BetaManagedAgentsCustomSkill object

                A resolved user-created custom skill.

                • type: "custom"

                • skill_id: string

                • version: string

            • system: string or null

            • tools: array of BetaManagedAgentsAgentToolset20260401 or BetaManagedAgentsMCPToolset or BetaManagedAgentsCustomTool

              • BetaManagedAgentsAgentToolset20260401 object

                • type: "agent_toolset_20260401"

                • configs: array of BetaManagedAgentsAgentToolConfig

                  • BetaManagedAgentsBashToolConfig object

                    Configuration for the bash tool.

                    • type: "bash"

                    • enabled: boolean

                    • name: "bash"

                    • permission_policy: BetaManagedAgentsAlwaysAllowPolicy or BetaManagedAgentsAlwaysAskPolicy or BetaManagedAgentsAutoPolicy

                      Permission policy for tool execution.

                      • BetaManagedAgentsAlwaysAllowPolicy object

                        Tool calls are automatically approved without user confirmation.

                        • type: "always_allow"
                      • BetaManagedAgentsAlwaysAskPolicy object

                        Tool calls require user confirmation before execution.

                        • type: "always_ask"
                      • BetaManagedAgentsAutoPolicy object

                        The server decides each tool call individually: it judges, from the tool, its input, and the session content so far, whether the call is safe to execute or high-risk, and evaluates it to allow when judged safe and to deny when judged high-risk. A call the server cannot reach a judgement on evaluates to ask.

                        • type: "auto"
                  • BetaManagedAgentsEditToolConfig object

                    Configuration for the edit tool.

                    • type: "edit"

                    • enabled: boolean

                    • name: "edit"

                    • permission_policy: BetaManagedAgentsAlwaysAllowPolicy or BetaManagedAgentsAlwaysAskPolicy or BetaManagedAgentsAutoPolicy

                      Permission policy for tool execution.

                      • BetaManagedAgentsAlwaysAllowPolicy object

                        Tool calls are automatically approved without user confirmation.

                      • BetaManagedAgentsAlwaysAskPolicy object

                        Tool calls require user confirmation before execution.

                      • BetaManagedAgentsAutoPolicy object

                        The server decides each tool call individually: it judges, from the tool, its input, and the session content so far, whether the call is safe to execute or high-risk, and evaluates it to allow when judged safe and to deny when judged high-risk. A call the server cannot reach a judgement on evaluates to ask.

                  • BetaManagedAgentsReadToolConfig object

                    Configuration for the read tool.

                    • type: "read"

                    • enabled: boolean

                    • name: "read"

                    • permission_policy: BetaManagedAgentsAlwaysAllowPolicy or BetaManagedAgentsAlwaysAskPolicy or BetaManagedAgentsAutoPolicy

                      Permission policy for tool execution.

                      • BetaManagedAgentsAlwaysAllowPolicy object

                        Tool calls are automatically approved without user confirmation.

                      • BetaManagedAgentsAlwaysAskPolicy object

                        Tool calls require user confirmation before execution.

                      • BetaManagedAgentsAutoPolicy object

                        The server decides each tool call individually: it judges, from the tool, its input, and the session content so far, whether the call is safe to execute or high-risk, and evaluates it to allow when judged safe and to deny when judged high-risk. A call the server cannot reach a judgement on evaluates to ask.

                  • BetaManagedAgentsWriteToolConfig object

                    Configuration for the write tool.

                    • type: "write"

                    • enabled: boolean

                    • name: "write"

                    • permission_policy: BetaManagedAgentsAlwaysAllowPolicy or BetaManagedAgentsAlwaysAskPolicy or BetaManagedAgentsAutoPolicy

                      Permission policy for tool execution.

                      • BetaManagedAgentsAlwaysAllowPolicy object

                        Tool calls are automatically approved without user confirmation.

                      • BetaManagedAgentsAlwaysAskPolicy object

                        Tool calls require user confirmation before execution.

                      • BetaManagedAgentsAutoPolicy object

                        The server decides each tool call individually: it judges, from the tool, its input, and the session content so far, whether the call is safe to execute or high-risk, and evaluates it to allow when judged safe and to deny when judged high-risk. A call the server cannot reach a judgement on evaluates to ask.

                  • BetaManagedAgentsGlobToolConfig object

                    Configuration for the glob tool.

                    • type: "glob"

                    • enabled: boolean

                    • name: "glob"

                    • permission_policy: BetaManagedAgentsAlwaysAllowPolicy or BetaManagedAgentsAlwaysAskPolicy or BetaManagedAgentsAutoPolicy

                      Permission policy for tool execution.

                      • BetaManagedAgentsAlwaysAllowPolicy object

                        Tool calls are automatically approved without user confirmation.

                      • BetaManagedAgentsAlwaysAskPolicy object

                        Tool calls require user confirmation before execution.

                      • BetaManagedAgentsAutoPolicy object

                        The server decides each tool call individually: it judges, from the tool, its input, and the session content so far, whether the call is safe to execute or high-risk, and evaluates it to allow when judged safe and to deny when judged high-risk. A call the server cannot reach a judgement on evaluates to ask.

                  • BetaManagedAgentsGrepToolConfig object

                    Configuration for the grep tool.

                    • type: "grep"

                    • enabled: boolean

                    • name: "grep"

                    • permission_policy: BetaManagedAgentsAlwaysAllowPolicy or BetaManagedAgentsAlwaysAskPolicy or BetaManagedAgentsAutoPolicy

                      Permission policy for tool execution.

                      • BetaManagedAgentsAlwaysAllowPolicy object

                        Tool calls are automatically approved without user confirmation.

                      • BetaManagedAgentsAlwaysAskPolicy object

                        Tool calls require user confirmation before execution.

                      • BetaManagedAgentsAutoPolicy object

                        The server decides each tool call individually: it judges, from the tool, its input, and the session content so far, whether the call is safe to execute or high-risk, and evaluates it to allow when judged safe and to deny when judged high-risk. A call the server cannot reach a judgement on evaluates to ask.

                  • BetaManagedAgentsWebFetchToolConfig object

                    Configuration for the web_fetch tool.

                    • type: "web_fetch"

                    • enabled: boolean

                    • name: "web_fetch"

                    • permission_policy: BetaManagedAgentsAlwaysAllowPolicy or BetaManagedAgentsAlwaysAskPolicy or BetaManagedAgentsAutoPolicy

                      Permission policy for tool execution.

                      • BetaManagedAgentsAlwaysAllowPolicy object

                        Tool calls are automatically approved without user confirmation.

                      • BetaManagedAgentsAlwaysAskPolicy object

                        Tool calls require user confirmation before execution.

                      • BetaManagedAgentsAutoPolicy object

                        The server decides each tool call individually: it judges, from the tool, its input, and the session content so far, whether the call is safe to execute or high-risk, and evaluates it to allow when judged safe and to deny when judged high-risk. A call the server cannot reach a judgement on evaluates to ask.

                    • allowed_domains: optional array of string

                    • blocked_domains: optional array of string

                    • max_content_tokens: optional number or null

                      format: int32

                  • BetaManagedAgentsWebSearchToolConfig object

                    Configuration for the web_search tool.

                    • type: "web_search"

                    • enabled: boolean

                    • name: "web_search"

                    • permission_policy: BetaManagedAgentsAlwaysAllowPolicy or BetaManagedAgentsAlwaysAskPolicy or BetaManagedAgentsAutoPolicy

                      Permission policy for tool execution.

                      • BetaManagedAgentsAlwaysAllowPolicy object

                        Tool calls are automatically approved without user confirmation.

                      • BetaManagedAgentsAlwaysAskPolicy object

                        Tool calls require user confirmation before execution.

                      • BetaManagedAgentsAutoPolicy object

                        The server decides each tool call individually: it judges, from the tool, its input, and the session content so far, whether the call is safe to execute or high-risk, and evaluates it to allow when judged safe and to deny when judged high-risk. A call the server cannot reach a judgement on evaluates to ask.

                    • allowed_domains: optional array of string

                    • blocked_domains: optional array of string

                    • user_location: optional BetaManagedAgentsUserLocation or null

                      Approximate user location for search result localization.

                      • type: "approximate"

                        Location precision. Only "approximate" is supported.

                      • city: optional string or null

                        City name.

                        minLength: 1, maxLength: 255

                      • country: optional string or null

                        Two-letter ISO 3166-1 country code, uppercase.

                      • region: optional string or null

                        Region or state name.

                        minLength: 1, maxLength: 255

                      • timezone: optional string or null

                        IANA timezone identifier, e.g. "America/Los_Angeles".

                        minLength: 1, maxLength: 255

                • default_config: BetaManagedAgentsAgentToolsetDefaultConfig

                  Resolved default configuration for agent tools.

                  • enabled: boolean

                  • permission_policy: BetaManagedAgentsAlwaysAllowPolicy or BetaManagedAgentsAlwaysAskPolicy or BetaManagedAgentsAutoPolicy

                    Permission policy for tool execution.

                    • BetaManagedAgentsAlwaysAllowPolicy object

                      Tool calls are automatically approved without user confirmation.

                    • BetaManagedAgentsAlwaysAskPolicy object

                      Tool calls require user confirmation before execution.

                    • BetaManagedAgentsAutoPolicy object

                      The server decides each tool call individually: it judges, from the tool, its input, and the session content so far, whether the call is safe to execute or high-risk, and evaluates it to allow when judged safe and to deny when judged high-risk. A call the server cannot reach a judgement on evaluates to ask.

              • BetaManagedAgentsMCPToolset object

                • type: "mcp_toolset"

                • configs: array of BetaManagedAgentsMCPToolConfig

                  • enabled: boolean

                  • name: string

                  • permission_policy: BetaManagedAgentsAlwaysAllowPolicy or BetaManagedAgentsAlwaysAskPolicy or BetaManagedAgentsAutoPolicy

                    Permission policy for tool execution.

                    • BetaManagedAgentsAlwaysAllowPolicy object

                      Tool calls are automatically approved without user confirmation.

                    • BetaManagedAgentsAlwaysAskPolicy object

                      Tool calls require user confirmation before execution.

                    • BetaManagedAgentsAutoPolicy object

                      The server decides each tool call individually: it judges, from the tool, its input, and the session content so far, whether the call is safe to execute or high-risk, and evaluates it to allow when judged safe and to deny when judged high-risk. A call the server cannot reach a judgement on evaluates to ask.

                • default_config: BetaManagedAgentsMCPToolsetDefaultConfig

                  Resolved default configuration for all tools from an MCP server.

                  • enabled: boolean

                  • permission_policy: BetaManagedAgentsAlwaysAllowPolicy or BetaManagedAgentsAlwaysAskPolicy or BetaManagedAgentsAutoPolicy

                    Permission policy for tool execution.

                    • BetaManagedAgentsAlwaysAllowPolicy object

                      Tool calls are automatically approved without user confirmation.

                    • BetaManagedAgentsAlwaysAskPolicy object

                      Tool calls require user confirmation before execution.

                    • BetaManagedAgentsAutoPolicy object

                      The server decides each tool call individually: it judges, from the tool, its input, and the session content so far, whether the call is safe to execute or high-risk, and evaluates it to allow when judged safe and to deny when judged high-risk. A call the server cannot reach a judgement on evaluates to ask.

                • mcp_server_name: string

              • BetaManagedAgentsCustomTool object

                A custom tool as returned in API responses.

                • type: "custom"

                • description: string

                • input_schema: BetaManagedAgentsCustomToolInputSchema

                  JSON Schema for custom tool input parameters.

                  • type: "object"

                  • properties: optional map[unknown] or null

                  • required: optional array of string or null

                • name: string

            • version: number

              format: int32

          • BetaManagedAgentsAdvisor object

            Platform advisor roster entry: a model the session's primary thread may consult mid-turn.

            • type: "advisor"

            • model: string

              The advisor model id.

      • name: string

      • skills: array of BetaManagedAgentsAnthropicSkill or BetaManagedAgentsCustomSkill

        • BetaManagedAgentsAnthropicSkill object

          A resolved Anthropic-managed skill.

        • BetaManagedAgentsCustomSkill object

          A resolved user-created custom skill.

      • system: string or null

      • tools: array of BetaManagedAgentsAgentToolset20260401 or BetaManagedAgentsMCPToolset or BetaManagedAgentsCustomTool

        • BetaManagedAgentsAgentToolset20260401 object

        • BetaManagedAgentsMCPToolset object

        • BetaManagedAgentsCustomTool object

          A custom tool as returned in API responses.

      • version: number

        format: int32

    • archived_at: string or null

      A timestamp in RFC 3339 format

      format: date-time

    • budget: BetaManagedAgentsBudgetLimit or null

      A hard spend ceiling. The session stops issuing new model requests once the tracked list cost reaches max_list_cost.

      • type: "limit"

      • max_list_cost: BetaMonetaryAmount

        A monetary amount in a specific currency.

        • amount: string

          Amount in minor units of the currency, as an integer decimal string with no leading zeros: "2500" is $25.00 and "50" is fifty cents. A string rather than a number so no float rounding is ever applied.

        • currency: BetaCurrency

          Uppercase ISO-4217 currency code. USD is the only currency currently supported; the accepted set is closed and grows only when a new currency is priced.

    • created_at: string

      A timestamp in RFC 3339 format

      format: date-time

    • environment_id: string

    • metadata: map[string]

    • outcome_evaluations: array of BetaManagedAgentsOutcomeEvaluationResource

      Per-outcome evaluation state. One entry per define_outcome event sent to the session.

      • type: "outcome_evaluation"

      • completed_at: string or null

        A timestamp in RFC 3339 format

        format: date-time

      • description: string

        What the agent should produce.

      • explanation: string or null

        Grader's verdict text from the most recent evaluation. For satisfied, explains why criteria are met; for needs_revision (intermediate), what's missing; for failed, why unrecoverable.

      • iteration: number

        0-indexed revision cycle the outcome is currently on.

        format: int32

      • outcome_id: string

        Server-generated outc_ ID for this outcome.

      • result: string

        Current evaluation state. pending before the agent begins work; running while producing or revising; evaluating while the grader scores; satisfied/max_iterations_reached/failed/interrupted are terminal.

    • resources: array of BetaManagedAgentsSessionResource

      • BetaManagedAgentsGitHubRepositoryResource object

        • type: "github_repository"

        • id: string

        • created_at: string

          A timestamp in RFC 3339 format

          format: date-time

        • mount_path: string

        • updated_at: string

          A timestamp in RFC 3339 format

          format: date-time

        • url: string

        • checkout: optional BetaManagedAgentsBranchCheckout or BetaManagedAgentsCommitCheckout or null

          • BetaManagedAgentsBranchCheckout object

            • type: "branch"

            • name: string

              Branch name to check out.

              minLength: 1, maxLength: 255

          • BetaManagedAgentsCommitCheckout object

            • type: "commit"

            • sha: string

              Full commit SHA to check out.

              minLength: 7, maxLength: 64

      • BetaManagedAgentsFileResource object

        • type: "file"

        • id: string

        • created_at: string

          A timestamp in RFC 3339 format

          format: date-time

        • file_id: string

        • mount_path: string

        • updated_at: string

          A timestamp in RFC 3339 format

          format: date-time

      • BetaManagedAgentsMemoryStoreResource object

        A memory store attached to an agent session.

        • type: "memory_store"

        • memory_store_id: string

          The memory store ID (memstore_...). Must belong to the caller's organization and workspace.

        • access: optional "read_write" or "read_only" or null

          Access mode for an attached memory store.

          • "read_write"

          • "read_only"

        • description: optional string

          Description of the memory store, snapshotted at attach time. Rendered into the agent's system prompt. Empty string when the store has no description.

        • instructions: optional string or null

          Per-attachment guidance for the agent on how to use this store. Rendered into the memory section of the system prompt. Max 4096 chars.

          maxLength: 4096

        • mount_path: optional string or null

          Filesystem path where the store is mounted in the session container, e.g. /mnt/memory/user-preferences. Derived from the store's name. Output-only.

        • name: optional string or null

          Display name of the memory store, snapshotted at attach time. Later edits to the store's name do not propagate to this resource.

    • stats: BetaManagedAgentsSessionStats

      Timing statistics for a session.

      • active_seconds: optional number

        Cumulative time in seconds the session spent in running status. Excludes idle time.

        format: double

      • duration_seconds: optional number

        Elapsed time since session creation in seconds. For terminated sessions, frozen at the final update.

        format: double

    • status: "rescheduling" or "running" or "idle" or "terminated"

      SessionStatus enum

      • "rescheduling"

      • "running"

      • "idle"

      • "terminated"

    • title: string or null

    • updated_at: string

      A timestamp in RFC 3339 format

      format: date-time

    • usage: BetaManagedAgentsSessionUsage

      Cumulative token usage for a session across all turns.

      • active_seconds: optional number

        Cumulative time in seconds during which the session had at least one thread in running status. Overlapping activity from concurrent threads is counted once, unlike stats.active_seconds, which sums each thread's own active time. This is the duration the session's runtime cost is priced on.

        format: double

      • cache_creation: optional BetaManagedAgentsCacheCreationUsage

        Prompt-cache creation token usage broken down by cache lifetime.

        • ephemeral_1h_input_tokens: optional number

          Tokens used to create 1-hour ephemeral cache entries.

          format: int32

        • ephemeral_5m_input_tokens: optional number

          Tokens used to create 5-minute ephemeral cache entries.

          format: int32

      • cache_read_input_tokens: optional number

        Total tokens read from prompt cache.

        format: int32

      • input_tokens: optional number

        Total input tokens consumed across all turns.

        format: int32

      • list_cost: optional BetaMonetaryAmount or null

        A monetary amount in a specific currency.

      • output_tokens: optional number

        Total output tokens generated across all turns.

        format: int32

      • server_tool_use: optional BetaManagedAgentsServerToolUsage or null

        Cumulative count of server-executed tool invocations, broken down by tool.

        • web_fetch_requests: optional number

          Number of server-executed web fetch requests.

          format: int32

        • web_search_requests: optional number

          Number of server-executed web search requests.

          format: int32

    • vault_ids: array of string

      Vault IDs attached to the session at creation. Empty when no vaults were supplied.

    • deployment_id: optional string or null

      Deployment ID when the session was created from a deployment reference. Null otherwise.

# Example

bash
curl https://api.anthropic.com/v1/sessions/$SESSION_ID/archive \
    -X POST \
    -H 'anthropic-version: 2023-06-01' \
    -H 'anthropic-beta: managed-agents-2026-04-01' \
    -H "X-Api-Key: $ANTHROPIC_API_KEY"

# Response (200)

json
{
  "id": "sesn_011CZkZAtmR3yMPDzynEDxu7",
  "agent": {
    "id": "agent_011CZkYpogX7uDKUyvBTophP",
    "description": "A general-purpose starter agent.",
    "mcp_servers": [
      {
        "name": "example-mcp",
        "type": "url",
        "url": "https://example-server.modelcontextprotocol.io/sse"
      }
    ],
    "model": {
      "id": "claude-opus-5",
      "effort": {
        "type": "low"
      },
      "inference_geo": "inference_geo",
      "speed": "standard"
    },
    "multiagent": {
      "agents": [
        {
          "id": "agent_011CZkYqphY8vELVzwCUpqiQ",
          "description": "A focused research subagent.",
          "mcp_servers": [
            {
              "name": "example-mcp",
              "type": "url",
              "url": "https://example-server.modelcontextprotocol.io/sse"
            }
          ],
          "model": {
            "id": "claude-opus-5",
            "effort": {
              "type": "low"
            },
            "inference_geo": "inference_geo",
            "speed": "standard"
          },
          "name": "Researcher",
          "skills": [
            {
              "skill_id": "xlsx",
              "type": "anthropic",
              "version": "1"
            }
          ],
          "system": "You are a research subagent that gathers and summarises sources for the coordinating agent.",
          "tools": [
            {
              "configs": [
                {
                  "enabled": true,
                  "name": "bash",
                  "permission_policy": {
                    "type": "always_allow"
                  },
                  "type": "bash"
                }
              ],
              "default_config": {
                "enabled": true,
                "permission_policy": {
                  "type": "always_ask"
                }
              },
              "type": "agent_toolset_20260401"
            }
          ],
          "type": "agent",
          "version": 1
        }
      ],
      "type": "coordinator"
    },
    "name": "My First Agent",
    "skills": [
      {
        "skill_id": "xlsx",
        "type": "anthropic",
        "version": "1"
      },
      {
        "skill_id": "skill_011CZkZFNu9hAbo3jZPRgTlx",
        "type": "custom",
        "version": "2"
      }
    ],
    "system": "You are a general-purpose agent that can research, write code, run commands, and use connected tools to complete the user's task end to end.",
    "tools": [
      {
        "configs": [
          {
            "enabled": true,
            "name": "bash",
            "permission_policy": {
              "type": "always_allow"
            },
            "type": "bash"
          }
        ],
        "default_config": {
          "enabled": true,
          "permission_policy": {
            "type": "always_ask"
          }
        },
        "type": "agent_toolset_20260401"
      }
    ],
    "type": "agent",
    "version": 1
  },
  "archived_at": null,
  "budget": {
    "max_list_cost": {
      "amount": "2500",
      "currency": "USD"
    },
    "type": "limit"
  },
  "created_at": "2026-03-15T10:00:00Z",
  "environment_id": "env_011CZkZ9X2dpNyB7HsEFoRfW",
  "metadata": {},
  "outcome_evaluations": [
    {
      "completed_at": "2026-03-15T10:02:31Z",
      "description": "Produce a 2-page summary as summary.md",
      "explanation": "All five sections present with inline citations.",
      "iteration": 0,
      "outcome_id": "outc_011CZkZRSw2kEfs6ncTVljxP",
      "result": "satisfied",
      "type": "outcome_evaluation"
    }
  ],
  "resources": [
    {
      "id": "sesrsc_011CZkZBJq5dWxk9fVLNcPht",
      "created_at": "2026-03-15T10:00:00Z",
      "file_id": "file_011CNha8iCJcU1wXNR6q4V8w",
      "mount_path": "/uploads/receipt.pdf",
      "type": "file",
      "updated_at": "2026-03-15T10:00:00Z"
    },
    {
      "id": "sesrsc_011CZkZCKr6eXyl0gWMOdQiu",
      "created_at": "2026-03-15T10:00:00Z",
      "mount_path": "/workspace/example-repo",
      "type": "github_repository",
      "updated_at": "2026-03-15T10:00:00Z",
      "url": "https://github.com/example-org/example-repo",
      "checkout": {
        "name": "main",
        "type": "branch"
      }
    }
  ],
  "stats": {
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    "duration_seconds": 0
  },
  "status": "idle",
  "title": "Order #1234 inquiry",
  "type": "session",
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    "list_cost": {
      "amount": "2500",
      "currency": "USD"
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    "output_tokens": 0,
    "server_tool_use": {
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  },
  "vault_ids": [
    "vlt_011CZkZDLs7fYzm1hXNPeRjv"
  ],
  "deployment_id": "deployment_id"
}
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