id-validators.x402tookit.com/issn-check working

Trust Score

59 of 95

Open formula: /trust. Recomputed once a day from what alalanet observed and its sources publish; nothing here can be bought.

• shared_pay_to — the same receiving address serves 50 or more hosts (−5).

Payments

Read on chain by alalanet

1,307 payments from 3 wallets, $30.30

USDC on Base into this address since 2026-10-16; alalanet's own test wallet excluded

Repeat payers

3 paid on two or more days

Largest payer

98.7% of the payments

Independent payers

2 of 3 counted

alalanet read the wallets of the 3 largest payers: 1 funded by the seller, not counted; 0 joined to another payer (funded by it, or by the same address within 72 hours before both paid); 0 first funded within 72 hours before paying

This address also receives for 57 other hosts; the payments above are for all of them.

This listing was first seen on 2026-11-05; payments before that day may be missing, so the figures are a lower bound.

Catalogue says

2 calls from 2 payers in 30 days

the catalogue's own counter (x402 Bazaar), not checked by alalanet

Description (from the catalogue, unverified)

Validate an ISSN (journal or serial number) check digit and format it with the hyphen.

Signed history

Verify any statement offline: how.

For agents and owners

JSON: https://alalanet.com/v1/services/v5hqwpqmq2l5kzh4

Badge:

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