> ## Documentation Index > Fetch the complete documentation index at: https://docs.apistable.com/llms.txt > Use this file to discover all available pages before exploring further. # 获取报价 > 查看合格渠道价格与整次最高冻结积分。 > 当前为 API 预览。生成接口尚未接入供应商，成功认证后仍可能返回 503；不会创建任务或扣积分。 ## 为完整参数报价 服务端先补齐默认值、过滤不兼容渠道，再应用各渠道计价公式。时长、分辨率、音频、质量和 output\_count 都可能改变总价。 最高冻结覆盖每个结果项的一条成功渠道，不累加全部可能的失败尝试。报价说明受理上界，不保证预览模型可以真实运行。 ## 理解费用上限 ```bash theme={null} { "is_preview": true, "model": "prism-image-2", "input": { "prompt": "A sculptural chair in warm afternoon light", "resolution": "1024" }, "output_count": 4, "estimated_credits": 80, "max_reserved_credits": 240, "channel_quotes": [ { "channel_type": "third_party", "credits": 80 }, { "channel_type": "official", "credits": 240 } ], "price_version": "preview-2026-10-29", "live_available": false } ``` > channel\_quotes\[].credits 是整批使用该渠道的总价，不是单项价格。此端点返回未冻结的预览估价，不签发 quote\_id，也不是已锁定的购买要约。 ## 设置 max\_credits max\_credits 是整次请求的费用上限。如果服务端最高冻结超过它，必须在生成前拒绝整批；不能静默减少 output\_count，也不在各项之间动态分配不足预算。 ## OpenAPI ````yaml openapi.json POST /v1/quotes openapi: 3.1.0 info: title: APIstable API preview version: 0.1.0-preview description: >- Current implemented HTTP surface. / 当前已实现的 HTTP 接口。 Models and quote prices are illustrative. Real providers and paid generation are not connected. POST /v1/tasks and /v1/chat/completions return 503 provider_not_configured after authentication and applicable validation; no credits are reserved or charged. Live 202 acceptance, provider callbacks, SSE, idempotent task creation, and full model capability adapters remain future integration work. Website login sessions are separate from application API keys. servers: - url: https://apistable.com description: APIstable API security: [] tags: - name: Models - name: Quotes - name: Tasks - name: Credits - name: LLM paths: /v1/quotes: post: tags: - Quotes summary: Validate input and estimate credits / 校验与估价 description: >- Public, nonbinding preview estimate. No credits are reserved, no task is created, and no quote_id is issued. Unknown parameters are rejected. Inputs are checked against the current illustrative model catalog; full live supplier compatibility is not yet active. channel_quotes[].credits is the entire batch total for that route. operationId: createQuote requestBody: required: true content: application/json: schema: $ref: '#/components/schemas/TaskRequest' responses: '200': description: Preview quote content: application/json: schema: $ref: '#/components/schemas/Quote' '400': description: >- validation_error, unsupported_parameter, invalid_output_count, unsupported_resolution, or unsupported_duration content: application/json: schema: $ref: '#/components/schemas/Error' '404': description: model_not_found content: application/json: schema: $ref: '#/components/schemas/Error' '413': description: payload_too_large content: application/json: schema: $ref: '#/components/schemas/Error' '422': description: credit_limit_exceeded content: application/json: schema: $ref: '#/components/schemas/Error' '503': description: model_unavailable or service_unavailable content: application/json: schema: $ref: '#/components/schemas/Error' security: [] components: schemas: TaskRequest: type: object additionalProperties: false required: - model - input properties: model: type: string minLength: 1 example: prism-image-2 input: $ref: '#/components/schemas/GenerationInput' output_count: type: integer minimum: 1 maximum: 4 default: 1 description: >- Target result count. Images/videos accept 1–4; music and LLM must remain 1. Not a concurrency guarantee. / 目标结果数，非同时并发保证。 fallback: type: boolean default: false description: >- Authorizes a higher-priced compatible official fallback after an eligible confirmed failure. Live execution is disabled in this build. max_credits: type: integer minimum: 0 description: >- Whole-request reservation cap. Reject the entire request when max_reserved_credits exceeds it. Quote: type: object required: - is_preview - model - input - output_count - estimated_credits - max_reserved_credits - channel_quotes - price_version - live_available properties: is_preview: const: true model: type: string input: $ref: '#/components/schemas/GenerationInput' output_count: type: integer minimum: 1 maximum: 4 estimated_credits: type: number minimum: 0 description: Credits, not USD. / 积分，非美元。 max_reserved_credits: type: number minimum: 0 description: Credits, not USD. / 积分，非美元。 channel_quotes: type: array items: type: object required: - channel_type - credits properties: channel_type: type: string enum: - third_party - official credits: type: number minimum: 0 description: Whole-batch total using this channel. / 整批渠道总积分。 price_version: type: string live_available: const: false Error: type: object required: - error properties: error: type: object required: - code - message properties: code: type: string message: type: string GenerationInput: type: object additionalProperties: false required: - prompt description: >- Current preview input. Supported fields vary by modality and exact catalog model. No live provider mapping is implied. properties: prompt: type: string minLength: 1 maxLength: 4000 duration_seconds: type: integer description: Video-only; must match the model duration list. resolution: type: string description: Must match the model resolution list. aspect_ratio: type: string enum: - '16:9' - '9:16' - '1:1' - '4:3' seed: type: integer minimum: 0 generate_audio: type: boolean description: Video only, subject to model support. instrumental: type: boolean description: Music only. lyrics: type: string maxLength: 5000 description: Music only. ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.