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

# Report recognition outcome

> Optional accuracy feedback. The first submitted outcome is retained; reporting does not change billing.

Record whether a recognition answer worked. Reporting does not change billing.


## OpenAPI

````yaml https://ninetile.io/openapi.json POST /recognize/outcome
openapi: 3.1.0
info:
  title: Ninetile API
  version: 1.0.0
  description: >-
    Native Ninetile JSON API. Solve hCaptcha challenges, retrieve solve status,
    report token outcomes, inspect account usage, and recognize hCaptcha image
    challenges. Successful solves and recognitions are charged to the account's
    prepaid USD balance.
servers:
  - url: https://api.ninetile.io/v1
    description: Primary API
  - url: https://api.radiumstore.org/v1
    description: Alternate API host
security:
  - BearerAuth: []
  - ApiKeyHeader: []
tags:
  - name: Solves
    description: Create, inspect, cancel, and report hCaptcha token solves.
  - name: Feedback
    description: Report verdicts for completed solves.
  - name: Account
    description: Inspect account balance, limits, and daily usage.
  - name: Recognition
    description: Recognize hCaptcha image challenges for clients running their own browser.
  - name: Status
    description: Public service liveness.
paths:
  /recognize/outcome:
    post:
      tags:
        - Recognition
      summary: Report a recognition outcome
      description: >-
        Optional accuracy feedback. The first submitted outcome is retained;
        reporting does not change billing.
      operationId: reportRecognitionOutcome
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/RecognitionOutcomeRequest'
            example:
              id: rec_01ARZ3NDEKTSV4RRFFQ69G5FAV
              result: solved
      responses:
        '200':
          description: Outcome recorded (refund is always zero).
          headers:
            X-Request-Id:
              $ref: '#/components/headers/RequestId'
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/RecognitionOutcome'
              example:
                id: rec_01ARZ3NDEKTSV4RRFFQ69G5FAV
                result: solved
                refunded_usd: 0
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '403':
          $ref: '#/components/responses/Forbidden'
        '404':
          $ref: '#/components/responses/NotFound'
        '415':
          $ref: '#/components/responses/UnsupportedMediaType'
        '422':
          $ref: '#/components/responses/ValidationError'
        '500':
          $ref: '#/components/responses/InternalError'
components:
  schemas:
    RecognitionOutcomeRequest:
      type: object
      required:
        - id
        - result
      properties:
        id:
          type: string
          pattern: ^rec_
        result:
          type: string
          enum:
            - solved
            - failed
    RecognitionOutcome:
      type: object
      required:
        - id
        - result
        - refunded_usd
      properties:
        id:
          type: string
          pattern: ^rec_
        result:
          type: string
          enum:
            - solved
            - failed
        refunded_usd:
          const: 0
    ErrorResponse:
      type: object
      required:
        - error
      properties:
        error:
          type: object
          required:
            - code
            - message
            - param
            - request_id
          properties:
            code:
              type: string
              enum:
                - invalid_request
                - unauthorized
                - insufficient_credits
                - key_credit_limit_exceeded
                - account_locked
                - forbidden
                - not_eligible
                - not_found
                - conflict
                - payload_too_large
                - unsupported_media_type
                - expired_window
                - recognition_failed
                - validation_error
                - concurrency_limit_exceeded
                - proxy_unavailable
                - rate_capped
                - rate_limited
                - sitekey_rate_limited
                - internal_error
                - maintenance
                - capacity_exhausted
                - proxy_pool_depleted
            message:
              type: string
            param:
              type:
                - string
                - 'null'
            request_id:
              type: string
              format: uuid
  headers:
    RequestId:
      description: Request identifier for support inquiries.
      schema:
        type: string
        format: uuid
    RetryAfter:
      description: >-
        Seconds to wait before retrying; present when the error asks the client
        to wait.
      schema:
        type: integer
        minimum: 1
  responses:
    BadRequest:
      description: Invalid JSON or a non-object request body (`invalid_request`).
      headers:
        X-Request-Id:
          $ref: '#/components/headers/RequestId'
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
    Unauthorized:
      description: API key missing, malformed, unknown, or revoked (`unauthorized`).
      headers:
        X-Request-Id:
          $ref: '#/components/headers/RequestId'
        Retry-After:
          $ref: '#/components/headers/RetryAfter'
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
    Forbidden:
      description: >-
        Account locked or key not permitted to access this endpoint
        (`account_locked`, `forbidden`).
      headers:
        X-Request-Id:
          $ref: '#/components/headers/RequestId'
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
    NotFound:
      description: Resource does not exist for this account (`not_found`).
      headers:
        X-Request-Id:
          $ref: '#/components/headers/RequestId'
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
    UnsupportedMediaType:
      description: Request body must use JSON content type (`unsupported_media_type`).
      headers:
        X-Request-Id:
          $ref: '#/components/headers/RequestId'
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
    ValidationError:
      description: >-
        Field validation error or expired feedback window (`validation_error`,
        `expired_window`).
      headers:
        X-Request-Id:
          $ref: '#/components/headers/RequestId'
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
    InternalError:
      description: Unexpected server error (`internal_error`).
      headers:
        X-Request-Id:
          $ref: '#/components/headers/RequestId'
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
  securitySchemes:
    BearerAuth:
      type: http
      scheme: bearer
      description: >-
        Ninetile API key, sent as `Authorization: Bearer <key>`. Keys are issued
        in the dashboard.
    ApiKeyHeader:
      type: apiKey
      in: header
      name: x-api-key
      description: Alternative to the Authorization Bearer header.

````

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