← U.S. Treasury Fiscal Data

Exchange Rate: Japan-Yen

This series has no golden-value checks assigned yet, so it is labelled unverified. The values are ingested from the official source with full provenance, but nothing here has been confirmed against a hand-checked reference point.

Coverage 2001-03-31 to 2026-06-30 · series id fiscaldata/rates_of_exchange:japan_yen

Recent values

Verification history

License and citation

License public-domain (terms). Source: U.S. Department of the Treasury, Bureau of the Fiscal Service, Fiscal Data.

Official table: Treasury Reporting Rates of Exchange · U.S. Department of the Treasury, Bureau of the Fiscal Service

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curl "https://starwell.dev/api/starwell/v1/sources/fiscaldata/series/rates_of_exchange:japan_yen/observations?latest=12"

Download CSV: full history with attribution.

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An SVG of this series, attribution included:

<img src="https://starwell.dev/sources/fiscaldata/rates_of_exchange:japan_yen/chart.svg"
     alt="Exchange Rate: Japan-Yen" width="720" />

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[![Verified via Starwell](https://starwell.dev/sources/fiscaldata/rates_of_exchange:japan_yen/badge.svg)](https://starwell.dev/sources/fiscaldata/rates_of_exchange:japan_yen)

curl -X POST "https://starwell.dev/api/starwell/v1/answer" \
  -H "Authorization: Bearer dlk_live_YOUR_KEY" \
  -H "Content-Type: application/json" \
  -d '{"question": "What is the latest value?", "series": [{"source": "fiscaldata", "seriesId": "rates_of_exchange:japan_yen"}]}'

Data reads need no key; answers do. Keys are free at /account; a keyless sample lives at GET /api/starwell/v1/answer/demo.