JA

Japan Business Tools

Japan calendar and address tools: business days, wareki, postal codes, corporate numbers

13 operations2 schemas1 revision

Changes

Full history

Source

View schema
Spec
OpenAPI 3.1.0
Document
biz.ossalt.jp · JSON, 31 KB
Retrieved
Oct 19, 2026, 17:42 UTC
Digest
8bb72a25e175

For agents

Every page here has a markdown twin. The overview is one fetch; the llms.txt lists every operation with a link to its own markdown.

curl https://skmtc.dev/ossalt/apis/japan-business-tools.md
curl https://skmtc.dev/ossalt/apis/japan-business-tools/llms.txt