{"provider":{"host":"kertivo.com","name":"Kertivo deep payment verify","score":56.2,"live":true,"checkedAt":"2026-10-27T19:28:11.510Z","uptime72h":100,"lastCheck":{"httpStatus":402,"ms":546,"note":"valid x402 v2 terms"},"endpoints":3,"networks":["eip155:8453"],"cheapestUsd":"0.005","income7dUsd":"0.041","payers7d":7,"transfers7d":11,"payoutAddressShared":false,"claimed":false,"page":"https://logicnodes.io/observatory/p/kertivo.com"},"endpoints":[{"url":"https://kertivo.com/address/check/full","method":"POST","priceMicroUsd":5000,"networks":["eip155:8453"],"description":"Full-history address-poisoning check before you send USDC on Base. Same risk/lookalike/seenBefore logic as /address/check, but funding history comes from ONE Blockscout index call (x402, up to the sender's 500 most recent Base USDC transfers; v2 page fallback) so coverage is usually the sender's full Base USDC history. Body {from, to}. Not charged if the index is down. Cheap partial/RPC tier: POST /address/check ($0.001)."},{"url":"https://kertivo.com/check","method":"POST","priceMicroUsd":10000,"networks":["eip155:8453"],"description":"Payment verification for x402: verify a USDC transaction on Base — did this payment really settle, and did it pay the right address the right amount? Send a tx hash (or x402 authorization): confirmations, real-USDC transfer check, expectedPayTo/expectedAmount match, fake-USDC and lookalike-address warnings, who funded the payer (external, self_funded, unknown), plain-English summary and a receipt. Body {txHash|authorization, expectedPayTo?, expectedAmount?}. Free demo: POST /demo."},{"url":"https://kertivo.com/check/deep","method":"POST","priceMicroUsd":50000,"networks":["eip155:8453"],"description":"Did this USDC payment settle, and what is the payer's funding source? Deep Base verification: confirmations, payTo/amount match, fake-token and lookalike warnings, plus the payer's inbound USDC funding history from an index (latest 500 transfers before the payment, then up to 5 more pages; coverage.historyComplete says if that was the full history), top funders, coverage stats and a recheckable sha256 receipt. Not charged if the index is down. Body {txHash, expectedPayTo?, expectedAmount?}."}]}