> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs-beta.getzep.com/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs-beta.getzep.com/_mcp/server.

# List Agent Trajectory Summary Versions

GET https://api.getzep.com/api/v4/agents/{agent_uuid}/trajectories/{trajectory_uuid}/summary/versions

Reference: https://docs-beta.getzep.com/sdk-reference/agent/trajectory/list-summary-versions

## Authentication

- `Authorization` header (required) (prefixed with ` Api-Key  `) — Type "Api-Key" followed by a space and the project API key.

## Request

### Path parameters

- `agent_uuid` (string, required) — Agent UUID
- `trajectory_uuid` (string, required) — Trajectory UUID

### Query parameters

- `limit` (integer, optional) — Page size (maximum 100)
- `cursor` (string, optional) — Opaque page cursor

## Response

### 200

OK

- `items` (list of v4.AgentTrajectorySummaryVersion, optional)
- `next_cursor` (string, optional)
- `total_size` (integer, optional)

## Errors

### 503 Service Unavailable Error

Service Unavailable

- `error` (v4.ErrorBody, optional)

## Types

### v4.AgentTrajectorySummaryVersion

- `agent_uuid` (string, optional)
- `assertion_uuid` (string, optional)
- `created_at` (string, optional)
- `creation_reason` (enum, optional)
  - Allowed values: `close`, `abandon`, `revision`, `task_family_correction`, `evidence_deletion`, `policy_change`
- `first_occurred_at` (string, optional)
- `first_sequence` (integer, optional)
- `last_occurred_at` (string, optional)
- `last_sequence` (integer, optional)
- `omitted_sequence_ranges` (list of v4.AgentTrajectorySummaryOmittedRange, optional)
- `outcome` (enum, optional)
  - Allowed values: `succeeded`, `failed`, `partial`, `abandoned`, `unknown`
- `parent_version_uuid` (string, optional)
- `structured_summary` (map from string to any, optional)
- `text` (string, optional)
- `trajectory_uuid` (string, optional)
- `uuid` (string, optional)
- `verification` (enum, optional)
  - Allowed values: `none`, `agent`, `tool`, `customer`, `external`
- `version` (integer, optional)

### v4.ErrorBody

- `code` (string, optional)
- `details` (map from string to any, optional)
- `message` (string, optional)
- `param` (string, optional)
- `request_id` (string, optional)

### v4.AgentTrajectorySummaryOmittedRange

- `first_sequence` (integer, optional)
- `last_sequence` (integer, optional)
- `reason` (enum, optional)
  - Allowed values: `narrower_authorization_boundary`, `acknowledged_gap`, `abandoned_gap`, `processing_failed`, `source_deleted`

## Examples

**Response**

```json
{
  "items": [
    {
      "agent_uuid": "string",
      "assertion_uuid": "string",
      "created_at": "string",
      "creation_reason": "close",
      "first_occurred_at": "string",
      "first_sequence": 1,
      "last_occurred_at": "string",
      "last_sequence": 1,
      "omitted_sequence_ranges": [
        {
          "first_sequence": 1,
          "last_sequence": 1,
          "reason": "narrower_authorization_boundary"
        }
      ],
      "outcome": "succeeded",
      "parent_version_uuid": "string",
      "structured_summary": {},
      "text": "string",
      "trajectory_uuid": "string",
      "uuid": "string",
      "verification": "none",
      "version": 1
    }
  ],
  "next_cursor": "string",
  "total_size": 1
}
```