DU
Duo Data Utilities: IBAN, ISIN, VAT & Tax ID, Barcode, Timezone, Geo APIs
Data utilities: validate IBANs, ISINs, VAT numbers and barcodes, convert time zones, and compute geodesic distances
Output licence: Terms of Service clause 533 operations3 schemas1 revision
Changes
Full historySource
View schema- Spec
- OpenAPI 3.1.1
- Document
- api.duoleads.com · JSON, 222 KB
- Retrieved
- Oct 19, 2026, 17:46 UTC
- Digest
- 18790d59615e
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/duoleads/apis/duo-data-utilities-iban-isin-vat-tax-id-barcode-timezone-geo.mdcurl https://skmtc.dev/duoleads/apis/duo-data-utilities-iban-isin-vat-tax-id-barcode-timezone-geo/llms.txt