aptu.dev/v1/echo working

https://aptu.dev/v1/echo

Before you pay

68 of 95

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

Read on chain by alalanet: 121 payments from 11 wallets, $1.34
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: 47.1% of the payments
Independent payers: 11 of 11 counted
alalanet read the wallets of the 10 largest payers: 0 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 1 other host; 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: 18 calls from 2 payers in 30 days
the catalogue's own counter (x402 Bazaar), not checked by alalanet

Echoes a JSON {message} back; the simplest paid call for verifying your x402 payment flow.

Verify any statement offline: how.

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