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

# Create costs costs

> Requires scopes: traces:write



## OpenAPI

````yaml /api-reference/openapi.json post /api/costs
openapi: 3.1.0
info:
  title: EvalGate API
  version: 3.7.6
  description: EvalGate API. See docs/api-contract.md for stability commitments.
servers:
  - url: https://evalgate.com
    description: Production
  - url: http://localhost:3000
    description: Local
security: []
paths:
  /api/costs:
    post:
      tags:
        - costs
      summary: Create costs costs
      description: 'Requires scopes: traces:write'
      operationId: post_costs
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/PostApiCostsRequest'
      responses:
        '201':
          description: Successful response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PostApiCostsResponse201ApplicationJson'
        '400':
          $ref: '#/components/responses/ValidationError'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '403':
          $ref: '#/components/responses/Forbidden'
        '404':
          $ref: '#/components/responses/NotFound'
        '409':
          $ref: '#/components/responses/Conflict'
        '429':
          $ref: '#/components/responses/RateLimited'
        '500':
          $ref: '#/components/responses/InternalError'
      security:
        - bearerAuth:
            - traces:write
components:
  schemas:
    PostApiCostsRequest:
      type: object
      properties:
        provider:
          type: string
        spanId:
          type: number
        inputTokens:
          type: number
        outputTokens:
          type: number
        model:
          type: string
        environment:
          oneOf:
            - type: string
              enum:
                - dev
            - type: string
              enum:
                - staging
            - type: string
              enum:
                - prod
        category:
          oneOf:
            - type: string
              enum:
                - other
            - type: string
              enum:
                - embedding
            - type: string
              enum:
                - tool
            - type: string
              enum:
                - llm
        cachedInputTokens:
          type: number
        costSource:
          oneOf:
            - type: string
              enum:
                - server_computed
            - type: string
              enum:
                - unknown_model
            - type: string
              enum:
                - sdk_fallback
            - type: string
              enum:
                - container
        promptHash:
          type: string
        workflowRunId:
          type: number
        isRetry:
          oneOf:
            - type: boolean
              enum:
                - false
            - type: boolean
              enum:
                - true
        retryNumber:
          type: number
        isTest:
          oneOf:
            - type: boolean
              enum:
                - false
            - type: boolean
              enum:
                - true
        agentName:
          type: string
        stepName:
          type: string
      additionalProperties: false
      required:
        - provider
        - spanId
        - inputTokens
        - outputTokens
        - model
    PostApiCostsResponse201ApplicationJson:
      type: object
      properties:
        id:
          type: number
        createdAt:
          type: string
          format: date-time
        organizationId:
          $ref: '#/components/schemas/OrganizationId'
        environment:
          type: string
        provider:
          type: string
        spanId:
          oneOf:
            - type: 'null'
            - type: number
        evaluationRunId:
          oneOf:
            - type: 'null'
            - type: number
        inputTokens:
          type: number
        outputTokens:
          type: number
        cachedInputTokens:
          oneOf:
            - type: 'null'
            - type: number
        totalTokens:
          type: number
        costSource:
          type: string
        modelCallId:
          oneOf:
            - type: 'null'
            - type: string
        model:
          type: string
        promptHash:
          oneOf:
            - type: 'null'
            - type: string
        totalCost:
          type: string
        workflowRunId:
          oneOf:
            - type: 'null'
            - type: number
        inputCost:
          type: string
        outputCost:
          type: string
        isRetry:
          oneOf:
            - type: 'null'
            - type: boolean
              enum:
                - false
            - type: boolean
              enum:
                - true
        retryNumber:
          oneOf:
            - type: 'null'
            - type: number
        costCategory:
          type: string
        pricingVersion:
          oneOf:
            - type: 'null'
            - type: string
        isTest:
          oneOf:
            - type: 'null'
            - type: boolean
              enum:
                - false
            - type: boolean
              enum:
                - true
        agentName:
          oneOf:
            - type: 'null'
            - type: string
        stepName:
          oneOf:
            - type: 'null'
            - type: string
      additionalProperties: false
      required:
        - id
        - createdAt
        - organizationId
        - environment
        - provider
        - spanId
        - evaluationRunId
        - inputTokens
        - outputTokens
        - cachedInputTokens
        - totalTokens
        - costSource
        - modelCallId
        - model
        - promptHash
        - totalCost
        - workflowRunId
        - inputCost
        - outputCost
        - isRetry
        - retryNumber
        - costCategory
        - pricingVersion
        - isTest
        - agentName
        - stepName
    OrganizationId:
      type: string
      format: uuid
    ApiError:
      type: object
      properties:
        error:
          type: object
          properties:
            code:
              type: string
              enum:
                - UNAUTHORIZED
                - FORBIDDEN
                - NOT_FOUND
                - VALIDATION_ERROR
                - RATE_LIMITED
                - CONFLICT
                - INTERNAL_ERROR
                - SERVICE_UNAVAILABLE
                - QUOTA_EXCEEDED
                - NO_ORG_MEMBERSHIP
                - CROSS_ORG_REFERENCE
                - INCOMPLETE
                - MALFORMED
            message:
              type: string
            details: {}
            requestId:
              type: string
              format: uuid
          required:
            - code
            - message
      required:
        - error
  responses:
    ValidationError:
      description: Validation error
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ApiError'
    Unauthorized:
      description: Unauthorized
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ApiError'
    Forbidden:
      description: Forbidden
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ApiError'
    NotFound:
      description: Resource not found
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ApiError'
    Conflict:
      description: Conflict
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ApiError'
    RateLimited:
      description: Rate limit exceeded
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ApiError'
    InternalError:
      description: Internal server error
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ApiError'
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: API Key or Session Token

````