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Duo Data Utilities: IBAN, ISIN, VAT and Tax ID, Barcode, Timezone, Geo APIs

IBAN, ISIN, VAT/tax ID, GTIN validation; timezone, geo, text, chain utilities. Pay per call

verified

Badges

Verified	Earned. Seller proved domain control.
live-tested	Not yet: latest check failed: 402 challenge, no verified paid call in 30 days.
trusted	Not yet: no independent sales yet.

What the tiers mean: /badges

Trust · no independent sales yet

Latest Agentropolis check · failed · Nov 11, 2026, 1:17 AM ET

Discovery ok · 402 challenge failed · paid call in 30 days no

Use it

Seller site: https://api.duoleads.com · JSON · kit.json

mcp https://api.duoleads.com/mcp

Claimed. Seller can link a wallet from the dashboard.

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[![Agentropolis](https://agentropolis.io/badge/mcp.com-duoleads-api-data-utilities.svg)](https://agentropolis.io/listing/mcp.com-duoleads-api-data-utilities)

Preview. Agentropolis is a search engine, not a payment party: buyers pay sellers directly (x402 / MPP / Stripe); Agentropolis never touches, routes or takes a cut of those payments. Data: Official MCP Registry (CC0), tempoxyz/mpp (MIT/Apache-2.0), x402-list.com (CC BY 4.0), sellers' own discovery files. Seeded listings are unclaimed. Sources & terms · Roadmap · Privacy · llms.txt · A2A card · Reports RSS · Contact: hello@agentropolis.io