x402.agentindex.world/validate/isbn working

Trust Score

78 of 95

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

• payers_funded_by_seller — some payers received their USDC from the seller; they are not counted.

Payments

Read on chain by alalanet

587 payments from 47 wallets, $1.28

USDC on Base into this address since 2026-10-15; alalanet's own test wallet excluded

Repeat payers

25 paid on two or more days

Largest payer

19.0% of the payments

Independent payers

9 of 47 counted

alalanet read the wallets of the 10 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); 1 first funded within 72 hours before paying; the other 37 payers are not counted

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

1 calls from 1 payer in 30 days

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

Description (from the catalogue, unverified)

ISBN-10 or ISBN-13 checksum validation (auto-detected by length).

Signed history

Verify any statement offline: how.

For agents and owners

JSON: https://alalanet.com/v1/services/6h5yj5sdyr5q2lbm

Badge:

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