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

# Reject token counting

> Reject token counting.



## OpenAPI

````yaml /cloud/rest/openapi.json post /ai/v1/messages/count_tokens
openapi: 3.1.0
info:
  title: Veryfront REST API reference
  version: 1.0.0
  description: |-
    ## Explore the API

    | Domain | Use it to |
    | --- | --- |
    | [Projects](#tag/projects) | Manage projects and files. |
    | [Agents](#tag/agents) | Manage agent primitives. |
    | [Orchestration](#tag/execution) | Manage conversations and runs. |
    | [Evaluations](#tag/evaluations) | Manage evaluations and results. |
    | [AI Gateway](#tag/ai-gateway) | Access models and inference. |
    | [MCP](#tag/mcp) | Discover tools and authorization. |
    | [Integrations](#tag/integrations) | Manage connections and integrations. |
    | [Knowledge](#tag/knowledge) | Manage documents and search. |
    | [Deployments](#tag/deployments) | Manage releases and deployments. |
    | [Runtime](#tag/runtime) | Manage environments and infrastructure. |
    | [Observability](#tag/observability) | Monitor activity and performance. |
    | [Identity & Access](#tag/identity-access) | Manage identity and access. |
    | [Billing & Usage](#tag/billing-usage) | Manage billing and usage. |
    | [Other](#tag/platform) | Inspect health and API metadata. |

    [OpenAPI specification (JSON)](/openapi.json)
  contact:
    name: Veryfront API Support
    url: https://veryfront.com/docs
    email: support@veryfront.com
  x-api-id: 5f1f0b8a-6b0e-4c1a-9b35-0f3a1e6d84c7
  x-audience: external-public
servers:
  - url: https://api.veryfront.com
security:
  - bearerAuth: []
  - apiKeyAuth: []
tags:
  - name: projects
    description: Manage projects and files.
  - name: agents
    description: Manage agent primitives.
  - name: execution
    description: Manage conversations and runs.
  - name: evaluations
    description: Manage evaluations and results.
  - name: ai-gateway
    description: Access models and inference.
  - name: mcp
    description: Discover tools and authorization.
  - name: integrations
    description: Manage connections and integrations.
  - name: knowledge
    description: Manage documents and search.
  - name: deployments
    description: Manage releases and deployments.
  - name: runtime
    description: Manage environments and infrastructure.
  - name: observability
    description: Monitor activity and performance.
  - name: identity-access
    description: Manage identity and access.
  - name: billing-usage
    description: Manage billing and usage.
  - name: platform
    description: Inspect health and API metadata.
  - name: projects/Projects
  - name: projects/Projects/Favorites
  - name: projects/Projects/Account Projects
  - name: projects/Projects/Projects
  - name: projects/Projects/Project Labels
  - name: projects/Projects/Project templates
  - name: projects/Files
  - name: projects/Files/Files
  - name: projects/Files/File Chunks
  - name: projects/Files/Branch File Versions
  - name: projects/Files/Branch Files
  - name: projects/Files/Environment Files
  - name: projects/Files/File Versions
  - name: projects/Files/Branch File Drafts
  - name: projects/Files/Release Files
  - name: projects/Files/Sandbox Files
  - name: projects/Files/File Search
  - name: projects/Branches
  - name: projects/Branches/Branches
  - name: projects/Branches/Branch Policies
  - name: projects/Branches/Branch Approvals
  - name: projects/Branches/Branch Status Checks
  - name: projects/Branches/Project Commits
  - name: projects/Branches/Branch Merges
  - name: projects/Uploads
  - name: projects/Uploads/Upload Folders
  - name: projects/Uploads/Upload Grants
  - name: projects/Uploads/Project Uploads
  - name: projects/Uploads/Upload Visibility
  - name: agents/Agents
  - name: agents/Agents/Agents
  - name: agents/Agents/Agent Labels
  - name: agents/Agents/Agent templates
  - name: agents/Agents/Agent Tool References
  - name: agents/Agents/Agent Avatars
  - name: agents/Agents/Agent Capabilities
  - name: agents/Agents/Agent Installation
  - name: agents/Prompts
  - name: agents/Prompts/Project prompts
  - name: agents/Tools
  - name: agents/Tools/Project tools
  - name: agents/Skills
  - name: agents/Skills/Project skills
  - name: agents/Resources
  - name: agents/Resources/Project resources
  - name: agents/Tasks
  - name: agents/Tasks/Tasks
  - name: agents/Workflows
  - name: agents/Workflows/Workflows
  - name: execution/Conversations
  - name: execution/Conversations/Conversations
  - name: execution/Conversations/Conversation messages
  - name: execution/Conversations/Conversation participants
  - name: execution/Conversations/Conversation read state
  - name: execution/Triggers
  - name: execution/Triggers/Project schedules
  - name: execution/Triggers/Webhooks
  - name: execution/Triggers/Webhook events
  - name: execution/Runs
  - name: execution/Runs/Run Input Requests
  - name: execution/Runs/Runs
  - name: execution/Runs/Runtime
  - name: execution/Runs/Child Runs
  - name: execution/Runs/Conversation Runs
  - name: execution/Runs/Project Runs
  - name: execution/Runs/Webhook Runs
  - name: execution/Runs/Run Events
  - name: execution/Runs/Run Actions
  - name: execution/Runs/Run Artifacts
  - name: execution/Executors
  - name: execution/Executors/Connected agents
  - name: execution/Executors/Agent workers
  - name: evaluations/Evaluations
  - name: evaluations/Evaluations/Evaluations
  - name: evaluations/Evaluations/Evaluation Runs
  - name: ai-gateway/Models
  - name: ai-gateway/Models/Model discovery
  - name: ai-gateway/Models/Inference Models
  - name: ai-gateway/Models/Project inference policy
  - name: ai-gateway/Models/Account inference policy
  - name: ai-gateway/Inference
  - name: ai-gateway/Inference/OpenAI Chat Completions
  - name: ai-gateway/Inference/Embeddings
  - name: ai-gateway/Inference/OpenAI Responses
  - name: ai-gateway/Inference/Proxy metadata
  - name: ai-gateway/Inference/Anthropic Messages
  - name: ai-gateway/Inference/Provider gateway
  - name: ai-gateway/Inference/Gemini inference
  - name: ai-gateway/Inference/Image generation
  - name: mcp/Tools
  - name: mcp/Tools/MCP discovery
  - name: mcp/Authorization
  - name: mcp/Authorization/Protected resource discovery
  - name: integrations/Integrations
  - name: integrations/Integrations/Integration tools
  - name: integrations/Integrations/Integration catalog
  - name: integrations/Integrations/Project integrations
  - name: integrations/Connections
  - name: integrations/Connections/Connections
  - name: integrations/Channels
  - name: integrations/Channels/Channels
  - name: integrations/Channels/Setup lookups
  - name: integrations/External storage
  - name: integrations/External storage/External Files
  - name: knowledge/Documents
  - name: knowledge/Documents/Project knowledge
  - name: knowledge/Documents/Retrieval documents
  - name: knowledge/Search
  - name: knowledge/Search/Search
  - name: knowledge/Embeddings
  - name: knowledge/Embeddings/Project embeddings
  - name: deployments/Releases
  - name: deployments/Releases/Releases
  - name: deployments/Releases/Release Versions
  - name: deployments/Releases/Release Source Manifests
  - name: deployments/Deployments
  - name: deployments/Deployments/Project deployments
  - name: deployments/Artifacts
  - name: deployments/Artifacts/Dependencies
  - name: deployments/Artifacts/Release Asset Manifests
  - name: deployments/Artifacts/Style artifacts
  - name: runtime/Environments
  - name: runtime/Environments/Environments
  - name: runtime/Environments/Environment Domains
  - name: runtime/Environments/Environment variables
  - name: runtime/Environments/Project Domains
  - name: runtime/Environments/Environment Variable Keys
  - name: runtime/Servers
  - name: runtime/Servers/Environment Servers
  - name: runtime/Servers/Project servers
  - name: runtime/Sandboxes
  - name: runtime/Sandboxes/Sandbox Lifecycle
  - name: runtime/Sandboxes/Sandbox Commands
  - name: runtime/Sandboxes/Sandbox Environment
  - name: runtime/Sandboxes/Sandbox Health
  - name: runtime/Sandboxes/Sandbox Terminal
  - name: runtime/Cache
  - name: runtime/Cache/Project Cache
  - name: runtime/Cache/User Cache
  - name: observability/Logs
  - name: observability/Logs/Log entries
  - name: observability/Traces
  - name: observability/Traces/Trace spans
  - name: observability/Traces/Project traces
  - name: observability/Traces/Trace Search
  - name: observability/Metrics
  - name: observability/Metrics/Metric series
  - name: observability/Alerts
  - name: observability/Alerts/Project alerts
  - name: observability/Error types
  - name: observability/Error types/Error types
  - name: identity-access/Users
  - name: identity-access/Users/Account users
  - name: identity-access/Users/Project users
  - name: identity-access/Users/Current user
  - name: identity-access/Accounts
  - name: identity-access/Accounts/Accounts
  - name: identity-access/Invitations
  - name: identity-access/Invitations/Invitations
  - name: identity-access/Permissions
  - name: identity-access/Permissions/Feature gates
  - name: identity-access/Permissions/Project Ownership
  - name: identity-access/API keys
  - name: identity-access/API keys/API keys
  - name: identity-access/Authentication
  - name: identity-access/Authentication/Sign-in
  - name: identity-access/Authentication/Tokens
  - name: identity-access/Authorization
  - name: identity-access/Authorization/Authorized apps
  - name: identity-access/Authorization/General OAuth
  - name: identity-access/Authorization/Consent
  - name: billing-usage/Subscriptions
  - name: billing-usage/Subscriptions/Subscriptions
  - name: billing-usage/Subscriptions/Seats
  - name: billing-usage/Billing
  - name: billing-usage/Billing/Invoices
  - name: billing-usage/Billing/Payments
  - name: billing-usage/Billing/Payment Methods
  - name: billing-usage/Billing/Billing Details
  - name: billing-usage/Billing/Account billing
  - name: billing-usage/Credits
  - name: billing-usage/Credits/Credits
  - name: billing-usage/Budgets
  - name: billing-usage/Budgets/Budgets
  - name: billing-usage/Usage
  - name: billing-usage/Usage/API key usage
  - name: billing-usage/Usage/Account usage
  - name: billing-usage/Usage/Project usage
  - name: billing-usage/Analytics
  - name: billing-usage/Analytics/Conversation Analytics
  - name: billing-usage/Analytics/Run Analytics
  - name: platform/Other
  - name: platform/Other/API metadata
paths:
  /ai/v1/messages/count_tokens:
    post:
      tags:
        - ai-gateway/Inference/Anthropic Messages
      summary: Reject token counting
      description: Reject token counting.
      operationId: neutralCountTokens
      parameters:
        - schema:
            type: string
            minLength: 1
            maxLength: 255
            description: Project UUID or slug used to attribute billing finalization.
          required: false
          name: x-veryfront-project-reference
          in: header
        - schema:
            type: string
            minLength: 1
            maxLength: 255
            description: Project ID used to attribute billing finalization.
          required: false
          name: x-veryfront-project-id
          in: header
        - schema:
            type: string
            minLength: 1
            maxLength: 255
            description: Project slug used to attribute billing finalization.
          required: false
          name: x-veryfront-project-slug
          in: header
        - schema:
            type: string
            minLength: 1
            maxLength: 245
            description: >-
              Durable run ID. Required for run-bound service-account
              credentials.
          required: false
          name: x-veryfront-agent-run-id
          in: header
        - schema:
            type: string
            minLength: 1
            maxLength: 255
            description: Durable conversation ID. Required with agent run attribution.
          required: false
          name: x-veryfront-conversation-id
          in: header
        - schema:
            type: string
            minLength: 1
            maxLength: 255
            description: Durable message ID. Required with agent run attribution.
          required: false
          name: x-veryfront-message-id
          in: header
        - schema:
            type: string
            minLength: 1
            maxLength: 255
            description: Agent ID. Must match the authenticated run-bound credential.
          required: false
          name: x-veryfront-agent-id
          in: header
        - schema:
            type: string
            minLength: 1
            maxLength: 255
            description: >-
              Optional billing group. Run requests are pinned to
              agent-run:<run-id>.
          required: false
          name: x-veryfront-billing-group-id
          in: header
      requestBody:
        required: true
        content:
          application/json:
            schema:
              title: NeutralAnthropicCountTokensRequest
              description: >-
                Anthropic-compatible token counting request. No deployment
                serves it today, so it answers a typed 404 that clients degrade
                from.
              type: object
              properties:
                model:
                  type: string
                  description: >-
                    Catalog model ID or alias. Required: the request is routed
                    by model, not by base URL.
                messages:
                  type: array
                  items: {}
                  description: Vendor-shaped messages, forwarded as sent.
              required:
                - model
                - messages
              additionalProperties: true
      responses:
        '200':
          description: Upstream provider response (forwarded as-is)
        '400':
          description: Invalid request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/NeutralAnthropicError'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/NeutralAnthropicError'
        '402':
          description: >-
            Insufficient AI credits, an exhausted monthly AI budget, or a
            provider spend limit
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/NeutralAnthropicError'
        '403':
          description: Project access denied
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/NeutralAnthropicError'
        '404':
          description: >-
            Typed refusal: no deployment serves token counting. Clients should
            fall back to a character estimate.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/NeutralAnthropicError'
        '413':
          description: >-
            Request body over the 32 MiB limit (code request_too_large), or an
            upstream 413 re-rendered in this envelope
        '429':
          description: >-
            The calling API key's requests-per-minute limit (code
            key-rate-limited), or an upstream provider rate limit re-rendered in
            this envelope with its Retry-After
        '500':
          description: Gateway error, or an upstream 500 re-rendered in this envelope
        '502':
          description: Gateway proxy error, or an upstream 502 re-rendered in this envelope
        '503':
          description: >-
            No available deployment, auth unavailable, or an upstream 503
            re-rendered in this envelope
        '529':
          description: Upstream provider overloaded, re-rendered in this envelope
        default:
          description: >-
            Any other status the upstream provider returned, with the upstream
            status and its body (if any) re-rendered in this envelope
components:
  schemas:
    NeutralAnthropicError:
      type: object
      properties:
        type:
          type: string
          enum:
            - error
        error:
          type: object
          properties:
            type:
              type: string
            message:
              type: string
            code:
              type: string
            veryfront:
              type: object
              additionalProperties: {}
          required:
            - type
            - message
      required:
        - type
        - error
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT or API Key
      description: >-
        Use a JWT bearer token or a Veryfront API key in the `Authorization`
        header.
    apiKeyAuth:
      type: apiKey
      in: header
      name: X-API-Key
      description: Alternative API key header for `vf_<prefix>_<secret>` tokens.

````

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