Revert computer state to step
POST
/v1/threads/{threadId}/steps/{stepId}/revertRestore the current computer state to the snapshot captured at a specific step.
How to call this endpoint
Every ACP API request uses bearer authentication. The examples here show the actual request path, auth header, and body shape that the platform expects.
Path, query, and header parameters
These parameters control which ACP object the endpoint acts on and how the request is processed.
Path parameters
| Name | Location | Type | Required | Description |
|---|---|---|---|---|
| threadId | path | string | Yes | Thread ID |
| stepId | path | string | Yes | Thread step ID |
Query parameters
None.
Body schema
Content type: application/json · Optional
| Field | Type | Required | Description |
|---|---|---|---|
| historyActionType | revert | reapply | No | — |
| revertedChangeStepId | string | No | — |
| revertedFilePath | string | No | — |
| revertedFileName | string | No | — |
What the API returns
Each response code below includes the documented payload shape for the ACP API.
200Thread computer reverted to step stateapplication/json
| Field | Type | Required | Description |
|---|---|---|---|
| thread | object | No | — |
| thread.id | string | No | Unique identifier. |
| thread.userId | string | No | User ID. |
| thread.organizationId | string | No | — |
| thread.createdByUserId | string | No | — |
| thread.projectId | string | No | Project ID. |
| thread.environmentId | string | No | Computer ID. |
| thread.agentId | string | No | Agent ID. |
| thread.title | string | No | Display title. |
| thread.task | string | No | — |
| thread.appId | string | No | — |
| thread.status | active | running | permission_asked | completed | failed | archived | cancelled | deleted | No | Current lifecycle status. |
| thread.contextId | string | No | — |
| thread.contextName | string | No | — |
| thread.messageCount | integer | No | — |
| thread.lastMessageAt | string | No | — |
| thread.lastMessagePreview | string | No | — |
| thread.inputTokens | integer | No | — |
| thread.outputTokens | integer | No | — |
| thread.cacheTokens | integer | No | — |
| thread.totalTokens | integer | No | — |
| thread.agentCost | number | No | — |
| thread.agentCostUsd | number | No | — |
| thread.environmentCost | number | No | — |
| thread.environmentCostUsd | number | No | — |
| thread.totalCost | number | No | — |
| thread.totalCostUsd | number | No | — |
| thread.agentCT | integer | No | — |
| thread.environmentCT | integer | No | — |
| thread.totalCT | integer | No | — |
| thread.environmentMinutes | number | No | — |
| thread.environmentStorageGB | number | No | — |
| thread.attachments | object[] | No | — |
| thread.metadata | object | No | Free-form metadata object. |
| thread.teamExecution | object | No | — |
| thread.teamExecution.mode | team | No | — |
| thread.teamExecution.teamAgentId | string | No | — |
| thread.teamExecution.teamAgentName | string | No | — |
| thread.teamExecution.orchestrator | object | No | — |
| thread.teamExecution.orchestrator.agentId | string | No | Agent ID. |
| thread.teamExecution.orchestrator.agentName | string | No | — |
| thread.teamExecution.orchestrator.claudeAgentName | string | No | — |
| thread.teamExecution.subagents | object[] | No | — |
| thread.teamExecution.subagents[].agentId | string | No | Agent ID. |
| thread.teamExecution.subagents[].agentName | string | No | — |
| thread.teamExecution.subagents[].claudeAgentName | string | No | — |
| thread.subagentActivity | object[] | No | — |
| thread.subagentActivity[].agentId | string | No | Agent ID. |
| thread.subagentActivity[].agentName | string | No | — |
| thread.subagentActivity[].claudeAgentName | string | No | — |
| thread.subagentActivity[].eventCount | integer | No | — |
| thread.subagentActivity[].lastActiveAt | string | No | — |
| thread.subagentActivity[].teamAgentId | string | No | — |
| thread.subagentActivity[].teamAgentName | string | No | — |
| thread.environmentName | string | No | — |
| thread.agentName | string | No | — |
| thread.agentPhotoUrl | string | No | — |
| thread.agentAvatarUrl | string | No | — |
| thread.startedAt | string | No | ISO 8601 timestamp. |
| thread.completedAt | string | No | ISO 8601 timestamp. |
| thread.duration | string | No | — |
| thread.queuedInBatch | boolean | No | — |
| thread.batchJobId | string | No | — |
| thread.admissionReason | string | No | — |
| thread.createdAt | string | No | ISO 8601 timestamp. |
| thread.updatedAt | string | No | ISO 8601 timestamp. |
| environmentId | string | No | Computer ID. |
| snapshotId | string | No | Snapshot ID. |
| revertStepId | string | No | — |
| revertedToStepId | string | No | — |
| revertedChangeStepId | string | No | — |