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

# Publish preset version

> Publish the current preset draft as an immutable version.

<Note>This endpoint requires a management API key with `presets:write` and an associated user identity.</Note>

The preset's versioning method determines the default version label. Semver presets can supply `version_label` explicitly.


## OpenAPI

````yaml POST /presets/{id}/versions
openapi: 3.0.3
info:
  title: Phaseo Gateway API
  description: >-
    A gateway API for accessing various AI models with OpenAI-compatible
    endpoints.
  version: 1.0.0
  contact:
    name: Phaseo
    url: https://phaseo.app
    email: danielbutler500@gmail.com
servers:
  - url: https://api.phaseo.app/v1
security:
  - BearerAuth: []
tags:
  - name: Gateway
    description: Core Phaseo Gateway operations.
paths:
  /presets/{id}/versions:
    parameters:
      - $ref: '#/components/parameters/PresetId'
    post:
      tags:
        - Gateway
      summary: Publish a preset version
      description: >-
        Publishes the current draft as a new immutable version using the preset
        versioning method.
      operationId: publishPresetVersion
      requestBody:
        required: false
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/PresetVersionPublishRequest'
      responses:
        '201':
          description: Preset version published
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PresetVersionResponse'
        '400':
          description: Invalid version label
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '404':
          description: Preset not found
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '409':
          description: No draft changes to publish
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
components:
  parameters:
    PresetId:
      name: id
      in: path
      required: true
      description: Preset UUID, slug, or canonical name.
      schema:
        type: string
  schemas:
    PresetVersionPublishRequest:
      type: object
      properties:
        release_notes:
          type: string
          maxLength: 1000
        version_label:
          type: string
          maxLength: 100
      additionalProperties: false
    PresetVersionResponse:
      type: object
      required:
        - data
      properties:
        data:
          $ref: '#/components/schemas/PresetVersion'
      additionalProperties: false
    ErrorResponse:
      type: object
      required:
        - error
      properties:
        ok:
          type: boolean
          example: false
        error:
          oneOf:
            - type: string
            - type: object
              additionalProperties: true
          example: error_type
        message:
          type: string
          example: Human-readable error message
        description:
          type: string
          example: Additional error details.
        generation_id:
          type: string
          example: G-abc123
        status_code:
          type: integer
          example: 502
        error_type:
          type: string
          enum:
            - user
            - system
          example: system
        error_origin:
          type: string
          enum:
            - user
            - gateway
            - upstream
          example: upstream
        reason:
          type: string
          example: all_candidates_failed
        attempt_count:
          type: integer
          example: 2
        failed_providers:
          type: array
          items:
            type: string
          example:
            - google-ai-studio
            - openai
        failed_statuses:
          type: array
          items:
            type: integer
          example:
            - 403
            - 429
        upstream_error:
          $ref: '#/components/schemas/ErrorUpstreamError'
        failure_sample:
          type: array
          items:
            $ref: '#/components/schemas/ErrorFailureSampleItem'
        provider_failure_diagnostics:
          $ref: '#/components/schemas/ErrorProviderFailureDiagnostics'
        routing_diagnostics:
          $ref: '#/components/schemas/ErrorRoutingDiagnostics'
        provider_candidate_diagnostics:
          $ref: '#/components/schemas/ErrorProviderCandidateDiagnostics'
        provider_enablement:
          $ref: '#/components/schemas/ErrorProviderEnablementDiagnostics'
        missing_pricing_providers:
          type: array
          items:
            type: string
        provider_payment_required_provider:
          type: string
          example: openai
        provider_payment_required_support_notice:
          type: string
          example: >-
            Our upstream provider billing appears to be unavailable. If this
            persists, contact support.
        details:
          type: array
          items:
            type: object
            additionalProperties: true
      additionalProperties: true
    PresetVersion:
      type: object
      required:
        - id
        - preset_id
        - version_number
        - version_label
        - versioning_method
        - name
        - slug
        - config
        - visibility
        - created_by
        - created_at
      properties:
        id:
          type: string
          format: uuid
        preset_id:
          type: string
          format: uuid
        version_number:
          type: integer
          minimum: 1
        version_label:
          type: string
        versioning_method:
          $ref: '#/components/schemas/PresetVersioningMethod'
        name:
          type: string
        slug:
          type: string
        description:
          type: string
          nullable: true
        config:
          $ref: '#/components/schemas/PresetConfig'
        visibility:
          $ref: '#/components/schemas/PresetVisibility'
        release_notes:
          type: string
          maxLength: 1000
          nullable: true
        created_by:
          type: string
          format: uuid
        created_at:
          type: string
          format: date-time
      additionalProperties: false
    ErrorUpstreamError:
      type: object
      properties:
        code:
          type: string
          nullable: true
          example: PERMISSION_DENIED
        message:
          type: string
          nullable: true
          example: The caller does not have permission.
        description:
          type: string
          nullable: true
        param:
          type: string
          nullable: true
    ErrorFailureSampleItem:
      type: object
      properties:
        provider:
          type: string
          nullable: true
        type:
          type: string
          nullable: true
        status:
          type: integer
          nullable: true
        upstream_error_code:
          type: string
          nullable: true
        upstream_error_message:
          type: string
          nullable: true
        upstream_error_description:
          type: string
          nullable: true
        upstream_error_param:
          type: string
          nullable: true
        upstream_payload_preview:
          type: string
          nullable: true
        retryable:
          type: boolean
          nullable: true
      additionalProperties: true
    ErrorProviderFailureDiagnostics:
      type: object
      properties:
        category:
          type: string
          enum:
            - credentials_not_configured
            - credentials_invalid_or_forbidden
            - provider_access_missing
            - region_or_project_restriction
            - model_unavailable_for_endpoint
            - rate_limited
            - server_error
        hint:
          type: string
        provider:
          type: string
          nullable: true
    ErrorRoutingDiagnostics:
      type: object
      properties:
        filterStages:
          type: array
          items:
            type: object
            properties:
              stage:
                type: string
              beforeCount:
                type: integer
              afterCount:
                type: integer
              droppedProviders:
                type: array
                items:
                  type: object
                  properties:
                    providerId:
                      type: string
                      nullable: true
                    reason:
                      type: string
                      nullable: true
                  additionalProperties: true
            additionalProperties: true
      additionalProperties: true
    ErrorProviderCandidateDiagnostics:
      type: object
      properties:
        totalProviders:
          type: integer
        supportsEndpointCount:
          type: integer
        candidateCount:
          type: integer
        droppedUnsupportedEndpoint:
          type: array
          items:
            type: string
        droppedMissingAdapter:
          type: array
          items:
            type: object
            properties:
              providerId:
                type: string
                nullable: true
              endpoint:
                type: string
                nullable: true
            additionalProperties: true
      additionalProperties: true
    ErrorProviderEnablementDiagnostics:
      type: object
      properties:
        capability:
          type: string
        providersBefore:
          type: array
          items:
            type: string
        providersAfter:
          type: array
          items:
            type: string
        dropped:
          type: array
          items:
            type: object
            properties:
              providerId:
                type: string
                nullable: true
              reason:
                type: string
                nullable: true
            additionalProperties: true
      additionalProperties: true
    PresetVersioningMethod:
      type: string
      enum:
        - sequential
        - semver
        - date
    PresetConfig:
      type: object
      description: >-
        Bounded gateway request defaults, including prompts, parameters,
        routing, and plugins.
      additionalProperties: true
    PresetVisibility:
      type: string
      enum:
        - private
        - team
        - public
  securitySchemes:
    BearerAuth:
      type: http
      scheme: bearer
      description: Bearer token authentication

````