Create Evaluation Rule

(v2)

POST

Creates a standing rule that runs a metric collection against matching production traces, spans or threads as they arrive, and returns its id. Running metrics consumes LLM usage. The collection's turn type must match the rule — THREAD rules need a multi-turn collection, TRACE and SPAN rules a single-turn one — and only one enabled THREAD rule may target a given collection. Requires the Starter plan or above.

POST/v2/evaluation-rules

curl -X POST "https://api.confident-ai.com/v2/evaluation-rules" \
  -H "CONFIDENT_API_KEY: <PROJECT-API-KEY>" \
  -H "Content-Type: application/json" \
  -d '{
  "name": "Score production answers",
  "enabled": true,
  "dataModel": "TRACE",
  "metricCollectionId": "<METRIC-COLLECTION-ID>",
  "description": "Scores answers we serve to end users.",
  "sampleRate": 0.2,
  "spanType": "SPAN",
  "filters": {
    "operator": "AND",
    "groups": [
      {
        "operator": "AND",
        "filters": [
          {
            "category": "Name",
            "condition": "Is",
            "value": "capital-lookup"
          }
        ]
      }
    ]
  },
  "threadTimelimit": 300,
  "overwriteEvals": false
}'

200

{
  "success": true,
  "data": {
    "id": "<EVALUATION-RULE-ID>"
  },
  "link": "https://app.confident-ai.com/project/<PROJECT-ID>/workflows",
  "deprecated": false
}

Headers

CONFIDENT_API_KEYstringRequired
The API key of your Confident AI project.

Request body

namestringRequired
A name for the rule, unique within the project.
enabledboolean
Whether the rule evaluates matching items as they arrive. Defaults to true.
dataModelenumRequired
What kind of production item a rule evaluates: TRACE for a whole trace, SPAN for a single step within one, THREAD for a finished conversation.
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- TRACE
- SPAN
- THREAD
metricCollectionIdstringRequired
The id of the metric collection to run. It must be multi-turn for THREAD rules and single-turn for TRACE and SPAN rules.
descriptionstring | null
A note about what the rule checks. Send null to clear it.
sampleRatenumber
The fraction of matching items to evaluate, between 0 and 1. On create it defaults to 1, all of them; omit it on an update to leave it unchanged.
spanTypeenum | null
The kind of work a span records: SPAN for a plain step, LLM for a model call, RETRIEVER for a knowledge-base lookup, TOOL for a tool call, and AGENT for an agent step.
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- SPAN
- AGENT
- TOOL
- RETRIEVER
- LLM
filtersobject | null
A set of filter groups combined by a top-level operator. Each group combines its filter rows by its own operator, and each row matches one property, such as Name or User Id, against a value with a condition such as Is or Contains.
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- operatorenumRequired
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  - AND
  - OR
- groupslist of objectsRequired
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  - operatorenumRequired
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    AND
    OR
  - filterslist of objectsRequired
    Show 4 propertiesHide 4 properties
    categoryenumRequired
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    User Id
    Customer Id
    Customer Name
    Thread Id
    Trace UUID
    Trace Name
    Trace Version
    Trace Status
    Trace Tags
    Trace
    Span UUID
    Name
    Span Name
    Span Type
    Span Status
    Metrics Status
    Error Status
    Called tool
    Handed off to
    Handed off by
    Nearest parent of type
    Anywhere under
    Top level
    Name
    Model
    Provider
    Integration
    Input argument
    Embedder
    Chunk Size
    Top-K
    Hyperparameter
    Dataset
    Dataset Name
    Test Run ID
    Identifier
    Test File
    Status
    Official
    Evals Mode
    Tests Passed
    Tests Failed
    Pass Rate
    Fail Rate
    Star Rating
    Thumbs Rating
    Explanation
    Expected Output
    Expected Outcome
    Annotator
    End User
    Annotation Type
    Annotation Name
    Annotation Date
    Annotation Rating
    Annotation Thumbs
    Annotation Choice
    Annotation Yes / No
    Annotation Text
    Metric Score
    Metric Status
    Name
    Metadata
    Classifier
    Metric
    Metric Name
    Trace Count
    Test Case ID
    Requested review from
    Assigned to
    Tags
    Labels
    Tools Called
    Finalized
    Golden ID
    Ingestion Task
    Latency
    Environment
    Review flag
    Vulnerability
    Vulnerability Type
    Attack Method
    Risk Category
    Framework
    Assessment ID
    Prompt Alias
    Prompt Version
    Prompt Label
    Prompt Commit Hash
    Prompt
    Annotations
    Failure Mode
    Recommended
    Sub-mode Name
    Sub-mode Recommended
    Sub-mode Certainty
    Status Code
    Actor Type
    conditionenum | enum | enum | enum | enum | enum | enum | enum | enum | enumRequired
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    enum
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    Is less than
    Is equal or less than
    Is greater than
    Is equal or greater than
    Is equal to
    Does not equal
    OR
    enum
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    Has
    Has not
    OR
    enum
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    Is
    Is not
    OR
    enum
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    Is one of
    Is not one of
    OR
    enum
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    Is
    Is not
    Is empty
    Is not empty
    OR
    enum
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    Contains
    Does not contain
    OR
    enum
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    Contains
    Contains only
    Does not contain
    OR
    enum
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    Has decreased by more than
    Has decreased by less than
    Has increased by more than
    Has increased by less than
    OR
    enum
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    Has changed from
    OR
    enum
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    Is between
    valuestring | number | list of stringsRequired
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    string
    OR
    number
    OR
    list of strings
    keystring
threadTimelimitinteger | null
For THREAD rules, the seconds of inactivity to wait before evaluating a thread, so an in-progress conversation is not scored halfway. The minimum is 120, which leaves time for the last traces to be stored. Send null to use the project's thread timelimit, which defaults to 300.
overwriteEvalsboolean
Re-evaluate items that already have results for this metric collection instead of skipping them. Defaults to false on create; omit it on an update to leave it unchanged.

Response

Create Evaluation Rule succeeded.

successboolean
Indicates if the request was successful.
dataobject
A reference to an evaluation rule by its id.
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- idstring
  The id of the rule, generated by Confident AI.
linkstring
This is the URL of the resource on the Confident AI platform.
deprecatedboolean
Indicates if this endpoint is deprecated.

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