> ## 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.

# チャット補完を作成

> OpenAI 互換の Chat Completions エンドポイントを使って生成します。

## サーバーツール

`/v1/chat/completions` は通常の関数ツールに加え、次の Gateway 管理サーバーツールに対応しています。

* `gateway:datetime`
* `phaseo:web_search`
* `phaseo:web_fetch`
* `phaseo:advisor`
* `phaseo:image_generation`

### 日時の例

```bash theme={null}
curl https://api.phaseo.app/v1/chat/completions \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "openai/gpt-5-nano",
    "stream": false,
    "messages": [
      { "role": "user", "content": "What is the current datetime in Europe/London?" }
    ],
    "tools": [
      {
        "type": "gateway:datetime",
        "parameters": { "timezone": "Europe/London" }
      }
    ],
    "tool_choice": "auto"
  }'
```

サーバーツールを使用すると、使用量には次の項目が含まれます。

```json theme={null}
{
  "usage": {
    "prompt_tokens": 12,
    "completion_tokens": 34,
    "total_tokens": 46,
    "server_tool_use": {
      "datetime_requests": 1
    }
  }
}
```

`phaseo:web_search` は `server_tool_use.web_search_requests`、`server_tool_use.web_search_results`、`server_tool_use.web_search_extra_results` を追加します。`phaseo:web_fetch` は `server_tool_use.web_fetch_requests` を追加します。

## ストリーミングに関する注意

`stream: true` にも対応しています。Gateway 管理サーバーツールでは、Phaseo が上流のツール呼び出しターンを処理し、ループを続行した後に合成ストリームを再送する場合があります。


## OpenAPI

````yaml ja/openapi/v1/openapi.localized.yaml POST /chat/completions
openapi: 3.0.3
info:
  title: Phaseo Gateway API
  description: OpenAI互換のエンドポイントを通じて、さまざまなAIモデルにアクセスするためのゲートウェイAPI。
  version: 1.0.0
  contact:
    name: Phaseo
    url: https://phaseo.app
    email: danielbutler500@gmail.com
servers:
  - url: https://api.phaseo.app/v1
    description: グローバルルーティング
security:
  - BearerAuth: []
tags:
  - name: Gateway
    description: Core Phaseo Gateway operations.
paths:
  /chat/completions:
    post:
      tags:
        - Gateway
      summary: チャット補完を作成
      description: チャットメッセージの補完を作成します。
      operationId: createChatCompletion
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ChatCompletionsRequest'
            examples:
              datetimeServerTool:
                summary: Built-in datetime server tool
                value:
                  model: openai/gpt-5-nano
                  stream: false
                  messages:
                    - role: user
                      content: What is the current datetime in Europe/London?
                  tools:
                    - type: gateway:datetime
                      parameters:
                        timezone: Europe/London
                  tool_choice: auto
      responses:
        '200':
          description: チャット補完の応答
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ChatCompletionsResponse'
        '429':
          $ref: '#/components/responses/UpstreamRateLimited'
      servers:
        - url: https://api.phaseo.app/v1
          description: グローバルルーティング
        - url: https://eu.api.phaseo.app/v1
          description: EU 域内のプロバイダールーティング（テキストのみ）
        - url: https://us.api.phaseo.app/v1
          description: 米国内のプロバイダールーティング（テキストのみ）
components:
  schemas:
    ChatCompletionsRequest:
      type: object
      required:
        - model
        - messages
      properties:
        model:
          type: string
        messages:
          type: array
          minItems: 1
          items:
            $ref: '#/components/schemas/ChatMessage'
        reasoning:
          $ref: '#/components/schemas/OpenAIReasoningConfig'
        reasoning_effort:
          type: string
          description: '`reasoning.effort` の OpenAI 互換エイリアスです。'
          enum:
            - none
            - instant
            - minimal
            - low
            - medium
            - high
            - xhigh
            - max
        frequency_penalty:
          type: number
          minimum: -2
          maximum: 2
        logit_bias:
          type: object
          additionalProperties:
            type: number
        max_completion_tokens:
          type: integer
          minimum: 1
        max_tokens:
          type: integer
          minimum: 1
        metadata:
          type: object
          additionalProperties:
            type: string
        session_id:
          type: string
          maxLength: 256
          description: 関連するリクエスト（会話やエージェントのワークフローなど）を可観測性のためにまとめる一意の識別子です。
        presence_penalty:
          type: number
          minimum: -2
          maximum: 2
        seed:
          type: integer
          minimum: -9223372036854776000
          maximum: 9223372036854776000
        store:
          type: boolean
        stream:
          type: boolean
          default: false
        stream_options:
          type: object
        temperature:
          type: number
          minimum: 0
          maximum: 2
          default: 1
        tools:
          type: array
          description: >-
            モデルの関数呼び出しとゲートウェイのサーバーツールのツール定義です。組み込みサーバーツールには、日付・時刻、Web 検索、Web
            取得、Advisor、Subagent、Fusion、モデル検索、画像生成、パッチ作成が含まれます。
          items:
            $ref: '#/components/schemas/TextGenerateTool'
        max_tool_calls:
          type: integer
          minimum: 1
        parallel_tool_calls:
          type: boolean
          default: true
        tool_choice:
          $ref: '#/components/schemas/TextToolChoice'
        logprobs:
          type: boolean
          default: false
        top_logprobs:
          type: integer
          minimum: 0
          maximum: 20
        top_p:
          type: number
          minimum: 0
          maximum: 1
        stop:
          oneOf:
            - type: string
            - type: array
              items:
                type: string
        response_format:
          oneOf:
            - type: string
            - type: object
              properties:
                type:
                  type: string
                schema:
                  type: object
        modalities:
          type: array
          items:
            type: string
            enum:
              - text
              - image
              - audio
        image_config:
          $ref: '#/components/schemas/ImageConfig'
        usage:
          type: boolean
        provider:
          oneOf:
            - type: string
              enum:
                - openai
                - anthropic
                - google-ai-studio
                - gemini
                - mistral
                - x-ai
                - xai
                - groq
                - together
            - $ref: '#/components/schemas/ProviderRoutingOptions'
          description: >-
            プロバイダー選択子です。単一のプロバイダーには文字列を、ルーティングオプションには `{ "only": ["groq"] }`
            のような値を使います。
        provider_options:
          $ref: '#/components/schemas/ProviderOptions'
        user_id:
          type: string
        user:
          type: string
        service_tier:
          type: string
          enum:
            - standard
            - default
            - fast
            - ultrafast
            - priority
            - flex
            - batch
        prompt_cache_key:
          type: string
          nullable: true
        safety_identifier:
          type: string
          nullable: true
        meta:
          type: boolean
          default: false
        echo_upstream_request:
          type: boolean
        debug:
          $ref: '#/components/schemas/DebugOptions'
    ChatCompletionsResponse:
      type: object
      properties:
        id:
          type: string
        nativeResponseId:
          type: string
          nullable: true
        object:
          type: string
        created:
          type: integer
        model:
          type: string
        provider:
          type: string
        choices:
          type: array
          items:
            $ref: '#/components/schemas/ChatChoice'
        usage:
          $ref: '#/components/schemas/Usage'
    ChatMessage:
      type: object
      required:
        - role
      properties:
        role:
          type: string
          enum:
            - system
            - developer
            - user
            - assistant
            - tool
        content:
          oneOf:
            - type: string
            - type: array
              items:
                $ref: '#/components/schemas/MessageContentPart'
        name:
          type: string
        tool_calls:
          type: array
          items:
            $ref: '#/components/schemas/ToolCall'
        images:
          type: array
          items:
            $ref: '#/components/schemas/ChatImageOutputPart'
        audios:
          type: array
          items:
            $ref: '#/components/schemas/ChatAudioOutputPart'
        tool_call_id:
          type: string
      discriminator:
        propertyName: role
    OpenAIReasoningConfig:
      type: object
      properties:
        effort:
          type: string
          enum:
            - none
            - instant
            - minimal
            - low
            - medium
            - high
            - xhigh
            - max
          default: medium
        mode:
          type: string
          enum:
            - standard
            - pro
        summary:
          type: string
          enum:
            - auto
            - concise
            - detailed
          default: auto
        enabled:
          type: boolean
        max_tokens:
          type: integer
          minimum: 0
    TextGenerateTool:
      oneOf:
        - $ref: '#/components/schemas/FunctionToolDefinition'
        - $ref: '#/components/schemas/GatewayDatetimeToolDefinition'
        - $ref: '#/components/schemas/GatewayWebSearchToolDefinition'
        - $ref: '#/components/schemas/GatewayWebFetchToolDefinition'
        - $ref: '#/components/schemas/SubagentToolDefinition'
        - $ref: '#/components/schemas/FusionToolDefinition'
        - $ref: '#/components/schemas/SearchModelsToolDefinition'
    TextToolChoice:
      description: ツール選択の方法です。Phaseo サーバーツールのタイプを受け付け、上流の関数またはツールの指定に変換します。
      oneOf:
        - type: string
          enum:
            - auto
            - none
            - required
            - phaseo:datetime
            - phaseo:web_search
            - phaseo:web_fetch
            - phaseo:subagent
            - phaseo:fusion
            - phaseo:search_models
            - gateway:datetime
            - gateway:web_search
            - gateway:web_fetch
        - type: object
    ImageConfig:
      type: object
      properties:
        aspect_ratio:
          type: string
        image_size:
          type: string
          enum:
            - 0.5K
            - 1K
            - 2K
            - 4K
        include_rai_reason:
          type: boolean
        font_inputs:
          type: array
          items:
            type: object
            properties:
              font_url:
                type: string
                format: uri
              text:
                type: string
        super_resolution_references:
          type: array
          items:
            type: string
        reference_images:
          type: array
          items:
            type: object
            additionalProperties: true
      additionalProperties: true
    ProviderRoutingOptions:
      type: object
      description: ゲートウェイでの選択に使用するプロバイダーのルーティング設定。
      properties:
        order:
          type: array
          items:
            type: string
        only:
          type: array
          items:
            type: string
        ignore:
          type: array
          items:
            type: string
        include_alpha:
          type: boolean
          description: ルーティングに alpha プロバイダーを含める（既定ではオフ）。
        allow_fallbacks:
          type: boolean
          nullable: true
          description: 失敗後に別の対象プロバイダーへフォールバックすることを許可します。
        require_parameters:
          type: boolean
          nullable: true
          description: ルーティング前に、要求されたパラメーターにプロバイダーが対応していることを必須にします。
        required_execution_region:
          type: string
          nullable: true
          description: 指定された実行リージョンに対応するプロバイダーにルーティングを限定します。
        required_data_region:
          type: string
          nullable: true
          description: 指定されたデータリージョンに対応するプロバイダーにルーティングを限定します。
        require_zero_data_retention:
          type: boolean
          nullable: true
          description: ゼロデータ保持に対応するプロバイダーにルーティングを限定します。
        data_collection:
          type: string
          nullable: true
          enum:
            - allow
            - deny
        zdr:
          type: boolean
          nullable: true
        enforce_distillable_text:
          type: boolean
          nullable: true
        quantizations:
          type: array
          nullable: true
          items:
            type: string
        sort:
          oneOf:
            - type: string
            - type: object
              additionalProperties: true
          description: このリクエストのプロバイダーを、価格、レイテンシ、スループットなどで並べ替えます。
        max_price:
          type: object
          properties:
            prompt:
              oneOf:
                - type: number
                - type: string
            completion:
              oneOf:
                - type: number
                - type: string
            image:
              oneOf:
                - type: number
                - type: string
            audio:
              oneOf:
                - type: number
                - type: string
            request:
              oneOf:
                - type: number
                - type: string
        preferred_min_throughput:
          oneOf:
            - type: number
            - type: object
              additionalProperties:
                type: number
        preferred_max_latency:
          oneOf:
            - type: number
            - type: object
              additionalProperties:
                type: number
    ProviderOptions:
      type: object
      description: 任意のプロバイダー固有オプションです。
      properties:
        openai:
          type: object
          properties:
            context_management:
              type: object
              description: 任意の OpenAI コンテキスト管理設定です。
              properties:
                type:
                  type: string
                  enum:
                    - compaction
                compact_threshold:
                  type: number
              required:
                - type
            prompt_cache_retention:
              type: string
        anthropic:
          type: object
          properties:
            cache_control:
              $ref: '#/components/schemas/CacheControl'
        google:
          type: object
          properties:
            cache_control:
              $ref: '#/components/schemas/CacheControl'
            cached_content:
              type: string
            cache_ttl:
              type: string
    DebugOptions:
      type: object
      description: ゲートウェイのデバッグ設定です。これらのフラグがプロバイダーに転送されることはありません。
      properties:
        enabled:
          type: boolean
        return_upstream_request:
          type: boolean
        return_upstream_response:
          type: boolean
        trace:
          type: boolean
        trace_level:
          type: string
          enum:
            - summary
            - full
    ChatChoice:
      type: object
      properties:
        index:
          type: integer
        message:
          $ref: '#/components/schemas/ChatMessage'
        finish_reason:
          type: string
          enum:
            - stop
            - length
            - tool_calls
            - content_filter
    Usage:
      type: object
      properties:
        prompt_tokens:
          type: integer
        completion_tokens:
          type: integer
        total_tokens:
          type: integer
        server_tool_use:
          $ref: '#/components/schemas/ServerToolUsage'
    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
    MessageContentPart:
      oneOf:
        - $ref: '#/components/schemas/TextContentPart'
        - $ref: '#/components/schemas/ImageContentPart'
        - $ref: '#/components/schemas/AudioContentPart'
        - $ref: '#/components/schemas/VideoContentPart'
        - $ref: '#/components/schemas/ToolCallContentPart'
    ToolCall:
      type: object
      required:
        - id
        - type
        - function
      properties:
        id:
          type: string
        type:
          type: string
          enum:
            - function
        function:
          type: object
          properties:
            name:
              type: string
            arguments:
              type: string
            description:
              type: string
            parameters:
              type: object
    ChatImageOutputPart:
      type: object
      required:
        - type
        - image_url
      properties:
        type:
          type: string
          enum:
            - image_url
        image_url:
          type: object
          required:
            - url
          properties:
            url:
              type: string
              description: HTTP(S) URL またはデータ URI です。
        mime_type:
          type: string
    ChatAudioOutputPart:
      type: object
      required:
        - type
        - audio_url
      properties:
        type:
          type: string
          enum:
            - audio_url
        audio_url:
          type: object
          required:
            - url
          properties:
            url:
              type: string
              description: HTTP(S) URL またはデータ URI です。
        mime_type:
          type: string
        format:
          type: string
          enum:
            - wav
            - mp3
            - flac
            - m4a
            - ogg
            - pcm16
            - pcm24
    FunctionToolDefinition:
      type: object
      required:
        - type
        - function
      properties:
        type:
          type: string
          enum:
            - function
        async:
          type: boolean
          description: >-
            呼び出し元がこのツールを実行する間、対応する OpenAI モデルの処理を継続させます。すべてのテキスト API
            で受け付けられ、他のプロバイダーでは無視されます。
        function:
          type: object
          required:
            - name
            - parameters
          properties:
            name:
              type: string
            description:
              type: string
            parameters:
              type: object
      additionalProperties: true
    GatewayDatetimeToolDefinition:
      type: object
      description: ゲートウェイ管理のサーバーツールです。ゲートウェイが日時を照会し、その結果をモデルのツールループに戻します。
      required:
        - type
      properties:
        type:
          type: string
          enum:
            - phaseo:datetime
            - gateway:datetime
        parameters:
          type: object
          properties:
            timezone:
              type: string
              description: 'IANA タイムゾーン名（例: Europe/London）。'
          additionalProperties: false
        timezone:
          type: string
          description: 既定のタイムゾーン（IANA）を指定する旧形式のショートカットです。
      additionalProperties: false
    GatewayWebSearchToolDefinition:
      type: object
      description: ゲートウェイ管理のサーバーツールです。ゲートウェイが Web 検索を実行し、正規化した検索結果をモデルのツールループに戻します。
      required:
        - type
      properties:
        type:
          type: string
          enum:
            - phaseo:web_search
            - gateway:web_search
        parameters:
          type: object
          properties:
            engine:
              type: string
              enum:
                - auto
                - native
                - exa
                - firecrawl
                - parallel
                - perplexity
                - tinyfish
            max_results:
              type: integer
              minimum: 1
              maximum: 25
            language:
              type: string
            page:
              type: integer
              minimum: 0
              maximum: 10
            include_text:
              type: boolean
            include_highlights:
              type: boolean
          additionalProperties: false
        max_results:
          type: integer
          minimum: 1
          maximum: 25
        engine:
          type: string
          enum:
            - auto
            - native
            - exa
            - firecrawl
            - parallel
            - perplexity
            - tinyfish
        language:
          type: string
        page:
          type: integer
          minimum: 0
          maximum: 10
        include_text:
          type: boolean
        include_highlights:
          type: boolean
      additionalProperties: false
    GatewayWebFetchToolDefinition:
      type: object
      description: >-
        ゲートウェイ管理のサーバーツールです。ゲートウェイが HTTP(S) ページを 1
        件取得してテキスト量を制限し、その結果をモデルのツールループに戻します。
      required:
        - type
      properties:
        type:
          type: string
          enum:
            - phaseo:web_fetch
            - gateway:web_fetch
        parameters:
          type: object
          properties:
            max_chars:
              type: integer
              minimum: 1
              maximum: 100000
          additionalProperties: false
        max_chars:
          type: integer
          minimum: 1
          maximum: 100000
      additionalProperties: false
    SubagentToolDefinition:
      type: object
      required:
        - type
      properties:
        type:
          type: string
          enum:
            - phaseo:subagent
        parameters:
          type: object
          additionalProperties: true
    FusionToolDefinition:
      type: object
      required:
        - type
      properties:
        type:
          type: string
          enum:
            - phaseo:fusion
        parameters:
          type: object
          required:
            - analysis_models
          properties:
            analysis_models:
              type: array
              minItems: 2
              maxItems: 8
              items:
                type: string
            model:
              type: string
          additionalProperties: true
    SearchModelsToolDefinition:
      type: object
      required:
        - type
      properties:
        type:
          type: string
          enum:
            - phaseo:search_models
        parameters:
          type: object
          properties:
            max_results:
              type: integer
              minimum: 1
              maximum: 20
    CacheControl:
      type: object
      properties:
        type:
          type: string
        ttl:
          type: string
        scope:
          type: string
      additionalProperties: true
    ServerToolUsage:
      type: object
      properties:
        datetime_requests:
          type: integer
          minimum: 0
        web_search_requests:
          type: integer
          minimum: 0
        subagent_requests:
          type: integer
          minimum: 0
        fusion_requests:
          type: integer
          minimum: 0
        search_models_requests:
          type: integer
          minimum: 0
        web_fetch_requests:
          type: integer
          minimum: 0
        advisor_requests:
          type: integer
          minimum: 0
        image_generation_requests:
          type: integer
          minimum: 0
        apply_patch_requests:
          type: integer
          minimum: 0
      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
    TextContentPart:
      type: object
      required:
        - type
        - text
      properties:
        type:
          type: string
          enum:
            - text
        text:
          type: string
    ImageContentPart:
      type: object
      required:
        - type
        - image_url
      properties:
        type:
          type: string
          enum:
            - image_url
        image_url:
          type: object
          properties:
            url:
              type: string
              description: HTTP(S) URL またはデータ URI です。
    AudioContentPart:
      type: object
      required:
        - type
        - input_audio
      properties:
        type:
          type: string
          enum:
            - input_audio
        input_audio:
          type: object
          properties:
            data:
              type: string
            format:
              type: string
              enum:
                - wav
                - mp3
                - flac
                - m4a
                - ogg
                - pcm16
                - pcm24
    VideoContentPart:
      type: object
      required:
        - type
        - video_url
      properties:
        type:
          type: string
          enum:
            - input_video
        video_url:
          type: string
          format: uri
    ToolCallContentPart:
      type: object
      required:
        - type
        - id
        - function
      properties:
        type:
          type: string
          enum:
            - tool_call
        id:
          type: string
        function:
          type: object
          properties:
            name:
              type: string
            arguments:
              type: string
  responses:
    UpstreamRateLimited:
      description: 選択された上流プロバイダーがリクエストをレート制限しました。
      headers:
        Retry-After:
          description: 再試行までの秒数を示す、検証済みのプロバイダー情報です。
          schema:
            type: integer
            minimum: 0
            maximum: 86400
        X-Phaseo-Upstream-RateLimit-Limit:
          $ref: '#/components/headers/UpstreamRateLimitValue'
        X-Phaseo-Upstream-RateLimit-Remaining:
          $ref: '#/components/headers/UpstreamRateLimitValue'
        X-Phaseo-Upstream-RateLimit-Reset:
          $ref: '#/components/headers/UpstreamRateLimitValue'
        X-Phaseo-Upstream-RateLimit-Limit-Requests:
          $ref: '#/components/headers/UpstreamRateLimitValue'
        X-Phaseo-Upstream-RateLimit-Remaining-Requests:
          $ref: '#/components/headers/UpstreamRateLimitValue'
        X-Phaseo-Upstream-RateLimit-Reset-Requests:
          $ref: '#/components/headers/UpstreamRateLimitValue'
        X-Phaseo-Upstream-RateLimit-Limit-Tokens:
          $ref: '#/components/headers/UpstreamRateLimitValue'
        X-Phaseo-Upstream-RateLimit-Remaining-Tokens:
          $ref: '#/components/headers/UpstreamRateLimitValue'
        X-Phaseo-Upstream-RateLimit-Reset-Tokens:
          $ref: '#/components/headers/UpstreamRateLimitValue'
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
  headers:
    UpstreamRateLimitValue:
      description: BYOK 専用のプロバイダー割り当てメタデータです。マネージドプロバイダーへのリクエストでは省略されます。
      schema:
        type: string
  securitySchemes:
    BearerAuth:
      type: http
      scheme: bearer
      description: Bearer トークンによる認証

````

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