openapi: 3.1.0 info: title: Fast ACCOUNT_COSTS AGENTS API version: 0.1.0 tags: - name: AGENTS paths: /agents/v1/models: get: tags: - AGENTS summary: List Models description: List available models operationId: list_models_agents_v1_models_get responses: '200': description: Successful Response content: application/json: schema: $ref: '#/components/schemas/Models' security: - HTTPBearer: [] - HTTPBearer: [] /agents/v1/chat/completions: post: tags: - AGENTS summary: Create Chat Completion description: 'Create a chat completion (OpenAI-compatible). Uses litellm with provider fallback: Azure GPT-5.5 → Anthropic Sonnet 4.6. The model in the request is ignored — provider selection is automatic.' operationId: create_chat_completion_agents_v1_chat_completions_post security: - HTTPBearer: [] - HTTPBearer: [] parameters: - name: x-session-id in: header required: false schema: anyOf: - type: string maxLength: 255 - type: 'null' description: Optional opaque conversation identifier. When provided, the call's Langfuse trace is grouped under this session_id, letting a multi-turn agentic conversation appear as one timeline. Clients should pass the same value across every turn of a single conversation. title: X-Session-Id description: Optional opaque conversation identifier. When provided, the call's Langfuse trace is grouped under this session_id, letting a multi-turn agentic conversation appear as one timeline. Clients should pass the same value across every turn of a single conversation. requestBody: required: true content: application/json: schema: $ref: '#/components/schemas/ChatRequest' responses: '200': description: Successful Response content: application/json: schema: {} '422': description: Validation Error content: application/json: schema: $ref: '#/components/schemas/HTTPValidationError' /agents/v1/embeddings: post: tags: - AGENTS summary: Create Embeddings description: Create embeddings using AWS Bedrock operationId: create_embeddings_agents_v1_embeddings_post requestBody: content: application/json: schema: $ref: '#/components/schemas/EmbeddingsRequest' required: true responses: '200': description: Successful Response content: application/json: schema: $ref: '#/components/schemas/EmbeddingsResponse' '422': description: Validation Error content: application/json: schema: $ref: '#/components/schemas/HTTPValidationError' deprecated: true security: - HTTPBearer: [] - HTTPBearer: [] components: schemas: Function: properties: name: type: string title: Name description: anyOf: - type: string - type: 'null' title: Description parameters: title: Parameters type: object required: - name - parameters title: Function SystemMessage: properties: name: anyOf: - type: string - type: 'null' title: Name role: type: string const: system title: Role default: system content: anyOf: - type: string - items: $ref: '#/components/schemas/TextContent' type: array title: Content type: object required: - content title: SystemMessage EmbeddingsRequest: properties: input: anyOf: - type: string - items: type: string type: array - items: anyOf: - type: integer - items: type: integer type: array type: array title: Input model: type: string title: Model encoding_format: type: string enum: - float - base64 title: Encoding Format default: float dimensions: anyOf: - type: integer - type: 'null' title: Dimensions user: anyOf: - type: string - type: 'null' title: User type: object required: - input - model title: EmbeddingsRequest ImageContent: properties: type: type: string const: image_url title: Type default: image image_url: $ref: '#/components/schemas/ImageUrl' cache_control: anyOf: - additionalProperties: true type: object - type: 'null' title: Cache Control type: object required: - image_url title: ImageContent ChatRequest: properties: messages: items: anyOf: - $ref: '#/components/schemas/SystemMessage' - $ref: '#/components/schemas/UserMessage' - $ref: '#/components/schemas/AssistantMessage' - $ref: '#/components/schemas/ToolMessage' type: array title: Messages model: type: string title: Model default: custom frequency_penalty: anyOf: - type: number maximum: 2.0 minimum: -2.0 - type: 'null' title: Frequency Penalty default: 0.0 presence_penalty: anyOf: - type: number maximum: 2.0 minimum: -2.0 - type: 'null' title: Presence Penalty default: 0.0 stream: anyOf: - type: boolean - type: 'null' title: Stream default: false stream_options: anyOf: - $ref: '#/components/schemas/StreamOptions' - type: 'null' temperature: anyOf: - type: number maximum: 2.0 minimum: 0.0 - type: 'null' title: Temperature default: 1.0 top_p: anyOf: - type: number maximum: 1.0 minimum: 0.0 - type: 'null' title: Top P default: 1.0 user: anyOf: - type: string - type: 'null' title: User max_tokens: anyOf: - type: integer - type: 'null' title: Max Tokens default: 2048 max_completion_tokens: anyOf: - type: integer - type: 'null' title: Max Completion Tokens reasoning_effort: anyOf: - type: string enum: - low - medium - high - type: 'null' title: Reasoning Effort n: anyOf: - type: integer - type: 'null' title: N default: 1 tools: anyOf: - items: $ref: '#/components/schemas/Tool' type: array - type: 'null' title: Tools tool_choice: anyOf: - type: string - {} title: Tool Choice default: auto stop: anyOf: - items: type: string type: array - type: string - type: 'null' title: Stop extra_body: anyOf: - additionalProperties: true type: object - type: 'null' title: Extra Body type: object required: - messages title: ChatRequest EmbeddingsUsage: properties: prompt_tokens: type: integer title: Prompt Tokens total_tokens: type: integer title: Total Tokens type: object required: - prompt_tokens - total_tokens title: EmbeddingsUsage EmbeddingsResponse: properties: object: type: string const: list title: Object default: list data: items: $ref: '#/components/schemas/Embedding' type: array title: Data model: type: string title: Model usage: $ref: '#/components/schemas/EmbeddingsUsage' type: object required: - data - model - usage title: EmbeddingsResponse HTTPValidationError: properties: detail: items: $ref: '#/components/schemas/ValidationError' type: array title: Detail type: object title: HTTPValidationError Tool: properties: type: type: string const: function title: Type default: function function: $ref: '#/components/schemas/Function' type: object required: - function title: Tool ResponseFunction: properties: name: anyOf: - type: string - type: 'null' title: Name arguments: type: string title: Arguments type: object required: - arguments title: ResponseFunction TextContent: properties: type: type: string const: text title: Type default: text text: type: string title: Text cache_control: anyOf: - additionalProperties: true type: object - type: 'null' title: Cache Control type: object required: - text title: TextContent ToolCall: properties: index: anyOf: - type: integer - type: 'null' title: Index id: anyOf: - type: string - type: 'null' title: Id type: type: string const: function title: Type default: function function: $ref: '#/components/schemas/ResponseFunction' type: object required: - function title: ToolCall UserMessage: properties: name: anyOf: - type: string - type: 'null' title: Name role: type: string const: user title: Role default: user content: anyOf: - type: string - items: anyOf: - $ref: '#/components/schemas/TextContent' - $ref: '#/components/schemas/ImageContent' type: array title: Content type: object required: - content title: UserMessage ImageUrl: properties: url: type: string title: Url detail: anyOf: - type: string - type: 'null' title: Detail default: auto type: object required: - url title: ImageUrl ToolMessage: properties: role: type: string const: tool title: Role default: tool content: anyOf: - type: string - items: $ref: '#/components/schemas/ToolContent' type: array - items: additionalProperties: true type: object type: array title: Content tool_call_id: type: string title: Tool Call Id type: object required: - content - tool_call_id title: ToolMessage Models: properties: object: anyOf: - type: string - type: 'null' title: Object default: list data: items: $ref: '#/components/schemas/Model' type: array title: Data default: [] type: object title: Models Embedding: properties: object: type: string const: embedding title: Object default: embedding embedding: anyOf: - items: type: number type: array - type: string format: binary title: Embedding index: type: integer title: Index type: object required: - embedding - index title: Embedding StreamOptions: properties: include_usage: type: boolean title: Include Usage default: true type: object title: StreamOptions Model: properties: id: type: string title: Id created: type: integer title: Created object: anyOf: - type: string - type: 'null' title: Object default: model owned_by: anyOf: - type: string - type: 'null' title: Owned By default: bedrock type: object required: - id title: Model ValidationError: properties: loc: items: anyOf: - type: string - type: integer type: array title: Location msg: type: string title: Message type: type: string title: Error Type type: object required: - loc - msg - type title: ValidationError ToolContent: properties: type: type: string const: text title: Type default: text text: type: string title: Text type: object required: - text title: ToolContent AssistantMessage: properties: name: anyOf: - type: string - type: 'null' title: Name role: type: string const: assistant title: Role default: assistant content: anyOf: - type: string - items: anyOf: - $ref: '#/components/schemas/TextContent' - $ref: '#/components/schemas/ImageContent' type: array - type: 'null' title: Content tool_calls: anyOf: - items: $ref: '#/components/schemas/ToolCall' type: array - type: 'null' title: Tool Calls type: object title: AssistantMessage securitySchemes: HTTPBearer: type: http scheme: bearer