> For the complete documentation index, see [llms.txt](https://docs.blockchainsecurity.asia/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.blockchainsecurity.asia/api-reference/readme/assets-and-market-data/zi-chan-jia-ge.md).

# 資產價格

查詢一個或多個資產的價格。未指定時間時取得目前價格；指定時間時取得對應的歷史價格。預設以美元計價，指定 quote 可改用法幣（如 TWD）計價。適合資產估值、帳務換算與損益計算。

## GET /v1/rates

>

```json
{"openapi":"3.1.0","info":{"title":"Blockchain Atlantis API Gateway","version":"0.1.0"},"tags":[{"description":"查詢一個或多個資產的價格。未指定時間時取得目前價格；指定時間時取得對應的歷史價格。預設以美元計價，指定 quote 可改用法幣（如 TWD）計價。適合資產估值、帳務換算與損益計算。","name":"資產價格"}],"servers":[{"description":"Production","url":"https://api.blockchainsecurity.asia"}],"security":[{"api_key":[]}],"components":{"securitySchemes":{"api_key":{"in":"header","name":"X-API-Key","type":"apiKey"}}},"paths":{"/v1/rates":{"get":{"operationId":"price","parameters":[{"description":"逗號分隔幣種（rate_symbol）","in":"query","name":"symbols","required":true,"schema":{"type":"string"}},{"description":"時點（unix 秒）；省略=最新","in":"query","name":"at","required":false,"schema":{"format":"int64","type":"integer"}},{"description":"計價幣別；省略 = USD。可用的法幣見 /v1/rates/symbols 的 fiat 欄位","in":"query","name":"quote","required":false,"schema":{"type":"string"}}],"responses":{"200":{"content":{"application/json":{}},"description":"查詢成功，回傳各幣種的價格"},"400":{"description":"請求參數有誤，請提供 symbols"},"401":{"description":"缺少或無效的 API key"},"404":{"description":"指定的計價幣別在該時點沒有匯率資料"}},"summary":"","tags":["資產價格"]}}}}
```