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

# Update a criterion

> Update one criterion on a test set.

Updates one criterion. For criteria created from a default, only `blocking` can be changed.

## Headers

<ParamField header="Authorization" type="string" required>
  Bearer token containing your Fini workspace API key. Format: `Bearer fini_...` The key needs `write` scope.
</ParamField>

<ParamField header="Content-Type" type="string" required>
  `application/json`
</ParamField>

## Path parameters

<ParamField path="testSetId" type="string" required>
  Test set ID.
</ParamField>

<ParamField path="criteriaId" type="string" required>
  Criterion ID.
</ParamField>

## Body parameters

<ParamField body="name" type="string">
  New criterion name for custom criteria.
</ParamField>

<ParamField body="judgePrompt" type="string">
  New judge prompt for judge criteria.
</ParamField>

<ParamField body="passPrompt" type="string">
  New pass prompt for judge criteria.
</ParamField>

<ParamField body="failPrompt" type="string">
  New fail prompt for judge criteria.
</ParamField>

<ParamField body="condition" type="object">
  New condition for deterministic criteria.
</ParamField>

<ParamField body="blocking" type="boolean">
  Whether failing this criterion should fail the conversation overall.
</ParamField>

<ParamField body="isActive" type="boolean">
  Whether the criterion is active.
</ParamField>

## Response

Returns the updated [Criterion object](/en/api-reference/test-sets#criterion-object).

<RequestExample>
  ```bash cURL theme={null}
  curl --request PATCH \
    --url 'https://api-prod.usefini.com/v2/test-sets/44c1f705-8e1a-4f61-8c4c-d519d37fb6b7/criteria/96eab02d-3bc3-4b90-ae5b-1a41a1444afa/public' \
    --header 'Authorization: Bearer fini_your_api_key' \
    --header 'Content-Type: application/json' \
    --data '{
      "blocking": false,
      "isActive": true
    }'
  ```

  ```javascript Node.js theme={null}
  const testSetId = '44c1f705-8e1a-4f61-8c4c-d519d37fb6b7';
  const criteriaId = '96eab02d-3bc3-4b90-ae5b-1a41a1444afa';

  const response = await fetch(`https://api-prod.usefini.com/v2/test-sets/${testSetId}/criteria/${criteriaId}/public`, {
    method: 'PATCH',
    headers: {
      Authorization: 'Bearer fini_your_api_key',
      'Content-Type': 'application/json'
    },
    body: JSON.stringify({
      blocking: false,
      isActive: true
    })
  });

  const criterion = await response.json();
  ```

  ```python Python theme={null}
  import requests

  test_set_id = "44c1f705-8e1a-4f61-8c4c-d519d37fb6b7"
  criteria_id = "96eab02d-3bc3-4b90-ae5b-1a41a1444afa"

  response = requests.patch(
      f"https://api-prod.usefini.com/v2/test-sets/{test_set_id}/criteria/{criteria_id}/public",
      headers={
          "Authorization": "Bearer fini_your_api_key",
          "Content-Type": "application/json",
      },
      json={
          "blocking": False,
          "isActive": True,
      },
  )

  criterion = response.json()
  ```
</RequestExample>

<ResponseExample>
  ```json 200 OK theme={null}
  {
    "id": "96eab02d-3bc3-4b90-ae5b-1a41a1444afa",
    "testSetId": "44c1f705-8e1a-4f61-8c4c-d519d37fb6b7",
    "companyId": "1d2a4c9f-59f8-4f9c-bd36-6f12e0d5d927",
    "defaultCriterionId": null,
    "name": "Goal resolution",
    "type": "complex_judge",
    "judgePrompt": "Judge whether the conversation resolved the user's goal.",
    "passPrompt": "The user's goal was resolved.",
    "failPrompt": "The user's goal was not resolved.",
    "condition": null,
    "blocking": false,
    "isActive": true,
    "createdAt": "2026-07-28T08:56:12.000Z",
    "updatedAt": "2026-07-28T09:12:45.000Z"
  }
  ```
</ResponseExample>