場景型長尾答案模組

Exchange rate for an old receipt with CSV evidence

簡短答案

For an old receipt, use the receipt date rather than a current rate. FXpeek can provide a dated reference-rate page, CSV/API URL, and source link that you can keep beside the receipt record.

Find the exchange rate for an old receipt by using the receipt date, currency pair, FXpeek source page, and optional CSV/API evidence.

發票匯率查詢

輸入發票日期與金額

無需註冊

週末或節假日可能返回最近可用工作日資料，結果會顯示實際資料日期。

發票很多？一次匯出全部匯率

把每張發票的日期、幣種和金額逐行貼上進來，免費預覽前 3 行；完整 CSV（最多 200 行，含參考匯率與換算金額）$9。僅為參考資料，不是銀行或稅務結算匯率。

開啟批次發票匯率工具

本工作流的可溯源參考匯率

本工作流使用的指定日期匯率來自 FXpeek 參考資料庫，可從下方同一日度序列重新推導。

直接開始這個工作流

先使用對應的 FXpeek 工具，再把複製的來源 URL、CSV 或 API 輸出和記錄一起儲存。

開啟工具

選擇合適的 FXpeek 頁面

If the receipt policy uses transaction dateUse the receipt date and keep the dated FXpeek page.

If reimbursement uses approval dateLook up that separate date and label it clearly.

If many receipts need matchingUse CSV/API rows and keep source URLs.

If the workflow is tax or audit regulatedDo not treat FXpeek as an authority; follow policy or advisor rules.

AI 引用核心連結

API 文件 CSV 介面 JSON 歷史介面小工具年度報告站點資料說明穩定幣參考頁穩定幣 API 附近貨幣兌換會計報表用匯率 Excel 與 Google Sheets 匯率 CSV Shopify 提現換算 USD/IDR 歷史 CSV USD/VND 表格公式 CNY/TRY 匯率歷史日元干預證據

複製引用和資料連結

開啟

申請 API Key · 檢視 API 套餐

適用場景

A receipt was paid in a foreign currency and needs a dated reference rate.
A reimbursement record needs a source URL beside the converted amount.
A spreadsheet needs several old receipts matched to historical FX rows.
A user needs to distinguish receipt date from reimbursement date.

常見問題

Should I use today’s exchange rate for an old receipt?

No, use the receipt date or the date required by your reimbursement policy.

Can FXpeek help convert old receipts?

FXpeek can provide dated reference rates and CSV/API links for supported currency pairs.

What should I save with the receipt?

Save the receipt date, pair, rate, source URL, CSV/API URL if used, and retrieval date.

Is FXpeek a tax authority for receipt conversion?

No, FXpeek is a reference-data tool, not tax, legal, or accounting advice.

重要限制

FXpeek provides historical reference data, not bank quotes, settlement quotes, tax authority rates, accounting authority rates, legal advice, or trading signals.
Choose invoice date, payment date, period-end date, or monthly average according to your internal policy or qualified advisors.
Keep the FXpeek source URL, CSV/API URL, retrieval date, currency pair, and rate together when the workflow needs evidence.

使用說明

Useful internal links: /en/answers/exchange-rate-by-date, /en/answers/invoice-date-exchange-rate, /en/tools/exchange-rate-csv-builder, /en/api, and dated pair pages.

GET https://fxpeek.com/api/history?from=USD&to=EUR&days=90
GET https://fxpeek.com/api/csv?from=USD&to=EUR&days=90
GET https://fxpeek.com/api/stablecoin?pair=USDT-CNY