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

# Credit Model Performance Evaluation

> Comprehensive credit model performance metrics including AUC, KS statistic, Gini coefficient, and accuracy. Use this for model validation and regulatory reporting. [Tier: ENTERPRISE, Credits: 10]



## OpenAPI

````yaml api-specs/ml.json post /quantlib/ml/credit/performance
openapi: 3.1.0
info:
  title: FinceptQuantLib API - ML
  description: >-
    Machine Learning and Credit Risk module endpoints for FinceptQuantLib API.
    Pro Tier access required (5 credits per request). Covers credit scoring,
    model validation, regression models, clustering, anomaly detection, feature
    engineering, and preprocessing.
  version: 3.0.0
  contact:
    name: Fincept API Support
    url: https://fincept.in
servers:
  - url: https://api.fincept.in
    description: Fincept API Production Server
security:
  - APIKeyHeader: []
tags:
  - name: quantlib-ml
    description: Machine Learning and Credit Risk Analytics
    x-displayName: ML
paths:
  /quantlib/ml/credit/performance:
    post:
      tags:
        - quantlib-ml
      summary: Credit Model Performance Evaluation
      description: >-
        Comprehensive credit model performance metrics including AUC, KS
        statistic, Gini coefficient, and accuracy. Use this for model validation
        and regulatory reporting. [Tier: ENTERPRISE, Credits: 10]
      operationId: credit_performance
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
                - y_true
                - y_score
              properties:
                y_true:
                  type: array
                  description: True binary labels
                  items:
                    type: integer
                    enum:
                      - 0
                      - 1
                  example:
                    - 0
                    - 0
                    - 1
                    - 1
                    - 0
                    - 1
                    - 0
                    - 1
                y_score:
                  type: array
                  description: Predicted probabilities or risk scores
                  items:
                    type: number
                  example:
                    - 0.12
                    - 0.23
                    - 0.87
                    - 0.92
                    - 0.15
                    - 0.78
                    - 0.09
                    - 0.85
      responses:
        '200':
          description: Performance metrics
          content:
            application/json:
              schema:
                type: object
                properties:
                  success:
                    type: boolean
                    example: true
                  data:
                    type: object
                    properties:
                      auc:
                        type: number
                        example: 0.878
                      ks_statistic:
                        type: number
                        example: 0.623
                      gini:
                        type: number
                        example: 0.756
                      accuracy:
                        type: number
                        example: 0.875
        '401':
          $ref: '#/components/responses/UnauthorizedError'
        '402':
          $ref: '#/components/responses/InsufficientCreditsError'
        '422':
          $ref: '#/components/responses/ValidationError'
components:
  responses:
    UnauthorizedError:
      description: Authentication information is missing or invalid
      content:
        application/json:
          schema:
            type: object
            properties:
              detail:
                type: string
                example: Invalid API key
    InsufficientCreditsError:
      description: Insufficient credits for this operation
      content:
        application/json:
          schema:
            type: object
            properties:
              detail:
                type: string
                example: Insufficient credits. This endpoint requires 5 credits.
    ValidationError:
      description: Request validation error
      content:
        application/json:
          schema:
            type: object
            properties:
              detail:
                type: array
                items:
                  type: object
                  properties:
                    loc:
                      type: array
                      items:
                        type: string
                    msg:
                      type: string
                    type:
                      type: string
  securitySchemes:
    APIKeyHeader:
      type: apiKey
      in: header
      name: X-API-Key
      description: >-
        API key for authentication. Get your key at
        https://api.fincept.in/auth/register

````