> ## Documentation Index
> Fetch the complete documentation index at: https://docs.bland.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Update Workbench Setup Version

> Edit a draft version's attached agents, threshold, run mode, or default calls.

> [!NOTE]
>
> Only versions in the `editable` state can be updated. To make changes to a published (`archived`) version, fork a new draft from it first using the Create Workbench Setup Version endpoint.

### Headers

**authorization** `string` *required*

Your API key for authentication.

### Path Parameters

**setup\_id** `string` *required*

The ID of the workbench setup.

**version\_id** `string` *required*

The ID of the draft version to update.

### Body Parameters

All fields are optional. Only include fields you want to update.

**name** `string`

Updated display name for the version. Between 1 and 200 characters.

**description** `string | null`

Updated description, or `null` to clear it.

**attached\_agents** `array`

Replaces the full list of attached eval agents. Up to 20 agents. Each item requires:

* `eval_agent_id` (string, required) - ID of the eval agent to attach.
* `eval_agent_version_id` (string, required) - Version of the eval agent to use.
* `weight` (number, required) - Relative weight for this agent in scoring (0-100).
* `target_level_keys` (array of strings, required) - One or more target level keys this agent evaluates against.

**pass\_threshold\_pct** `integer | null`

Percentage of calls that must pass for a run to be considered passing. Between 0 and 100, or `null` to clear.

**run\_mode** `string`

How calls are evaluated. One of `text`, `audio`, or `full`.

**default\_test\_config\_id** `string | null`

ID of the default test configuration to use for runs, or `null` to clear.

**default\_call\_ids** `array of strings`

Default call IDs to evaluate against when no explicit call list is provided at run time. Replaces the existing list. Up to 5000 entries.

### Response

**data** `object`

The full updated version object.

**version fields**

**id** `string`

Unique identifier for this version.

**org\_id** `string`

ID of the organization that owns this version.

**workbench\_setup\_id** `string`

ID of the parent workbench setup.

**version\_number** `integer`

Monotonically increasing version number.

**name** `string`

Display name of this version.

**description** `string | null`

Description of this version, or `null` if not set.

**state** `string`

`"editable"` for a draft, `"archived"` for a published snapshot.

**attached\_agents** `array`

Updated list of eval agents. Each item contains `eval_agent_id`, `eval_agent_version_id`, `weight` (0-100), and `target_level_keys` (array of strings).

**pass\_threshold\_pct** `integer | null`

Updated pass threshold percentage (0-100), or `null` if not set.

**run\_mode** `string`

Updated run mode. One of `text`, `audio`, or `full`.

**default\_test\_config\_id** `string | null`

Updated default test configuration ID, or `null` if not set.

**default\_call\_ids** `array of strings`

Updated default call IDs. Up to 5000 entries.

**created\_from\_version\_id** `string | null`

ID of the version this was forked from, or `null` if it is the first version.

**created\_by** `string | null`

Identifier of the user who created this version, or `null`.

**created\_at** `string`

ISO 8601 timestamp for when this version was created.

**updated\_at** `string`

ISO 8601 timestamp for when this version was last updated.

**errors** `null`

`null` on success.

```json Response theme={null}
{
  "errors": null,
  "data": {
    "id": "c3d4e5f6-a7b8-9012-cdef-123456789012",
    "org_id": "b2c3d4e5-f6a7-8901-bcde-f12345678901",
    "workbench_setup_id": "a1b2c3d4-e5f6-7890-abcd-ef1234567890",
    "version_number": 4,
    "name": "Onboarding Quality Check",
    "description": "Updated to include empathy grading.",
    "state": "editable",
    "attached_agents": [
      {
        "eval_agent_id": "e5f6a7b8-c9d0-1234-efab-345678901234",
        "eval_agent_version_id": "f6a7b8c9-d0e1-2345-fabc-456789012345",
        "weight": 40,
        "target_level_keys": ["good", "excellent"]
      },
      {
        "eval_agent_id": "a0b1c2d3-e4f5-6789-abcd-ef0123456789",
        "eval_agent_version_id": "b1c2d3e4-f5a6-7890-bcde-f01234567890",
        "weight": 60,
        "target_level_keys": ["acceptable", "good"]
      }
    ],
    "pass_threshold_pct": 80,
    "run_mode": "full",
    "default_test_config_id": null,
    "default_call_ids": [
      "call_abc123",
      "call_def456",
      "call_ghi789"
    ],
    "created_from_version_id": "d4e5f6a7-b8c9-0123-defa-234567890123",
    "created_by": "9a8b7c6d-5e4f-3210-9876-543210fedcba",
    "created_at": "2026-05-20T14:00:00.000Z",
    "updated_at": "2026-05-27T12:00:00.000Z"
  }
}
```


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