US Per Diem
GSA lodging and M&IE per diem rates for US cities by ZIP, state and fiscal year

US Department of State Visa Bulletin cutoff dates (EB/F charts) as open JSON (/paiqi.json).
YiminShuju Visa Bulletin API is a free Government API that requires no API key, is served over HTTPS and supports CORS, so it can be called from the browser.
Online · 1346 msTested Nov 15, 2026 · checked dailyIs it down? Status & uptime
引用移民数据的规范格式:可直接复制的中文引用文本、文章与图表的来源标注写法、学术引用格式,以及绿卡排期等数据的机器可读 JSON 出口与数据许可说明,方便媒体、研究者和自媒体准确引用并回链到官方原始来源。
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GSA lodging and M&IE per diem rates for US cities by ZIP, state and fiscal year
US CPSC product recall notices, filterable by product category; no key required
German federal and state statutes and 640,000 court decisions as JSON, with citation links
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The YiminShuju Visa Bulletin API is provided by 移民数据 (yiminshuju.com). 引用移民数据的规范格式:可直接复制的中文引用文本、文章与图表的来源标注写法、学术引用格式,以及绿卡排期等数据的机器可读 JSON 出口与数据许可说明,方便媒体、研究者和自媒体准确引用并回链到官方原始来源。
Yes. The YiminShuju Visa Bulletin API is listed in the Government category of the public-apis directory, which only includes APIs that are free or have a free tier. Check its documentation for rate limits and paid plans.
No. The YiminShuju Visa Bulletin API requires no authentication, so you can start making requests without signing up.
Yes. The YiminShuju Visa Bulletin API supports CORS, so front-end JavaScript can call it directly.
Yes. The YiminShuju Visa Bulletin API is served over HTTPS, so it's safe to use in production.
Show that YiminShuju Visa Bulletin is listed on Public APIs. The badge displays its developer rating once it has one.
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