🆕 The next nonce for any Base address, plus its ETH balance and whether it is a contract. The count means different things either side of tha…
Listing info 80/100The address-poisoning attack: a scammer sends dust from an address whose first/last characters match one you really use, hoping you copy-paste…
Listing info 80/100Screen an EVM wallet or contract address BEFORE paying it. Deterministic, keyless compliance / safety gate: checks the address against the OFA…
Listing info 80/100Crypto address screening vs the FULL live OFAC SDN list, segmented by chain (bitcoin, evm, tron, +9 more) — EVM adds on-chain signals (contrac…
Listing info 80/100Geocode a US address: give a street address, get latitude and longitude, the standardized address, ZIP, county with FIPS code, state and censu…
Listing info 80/100🆕 The 'who am I dealing with?' check for agents. Reads Coinbase's ONCHAIN verification (an EAS attestation by verifications.coinbase.eth) — m…
Listing info 80/100Validate a blockchain address. Supply `chain` to check against a specific chain, or omit it to auto-detect. Ethereum addresses report their EI…
Listing info 80/100Blockchain address validator — checksum and format validation for AmanChain addresses before you send funds. Deterministic on-chain execution …
Listing info 80/100
Parse, validate and normalize postal addresses. Detect country, verify format. x402.
Listing info 65/100Postal address candidates from a page: lines that look like street addresses (number + street + city/postal code patterns for US/CA/UK/EU), sc…
Listing info 80/100Bulk address extract: up to 20 urls in one call, processed concurrently, results returned in input order with a per-item error field and a cou…
Listing info 80/100Change watch for address extract: runs the check and compares it with the result from your previous call for the same url (kept 90 days), retu…
Listing info 80/100Indexed listings, not certifications. Prices and protocols are publisher declarations. How the index works