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Validate a Ethereum address before sending: checksum, wrong-network check, live ...

https://saylorinnovations.com/api/validate/ethereum

Overview

Validate a Ethereum address before sending: checksum, wrong-network check, live account type and balance, OFAC screening, and a send verdict of ok, caution or do_not_send.

Protocol x402
Price $0.01
Payment Asset USD Coin
Payment Network eip155:8453
Category uncategorized
Provider Saylor Innovations Data Desk
Source bazaar
Indexed 2026-10-21 00:23:03

Health

Status healthy
Latency (p50) 339ms
Uptime (30d) 100.0%
Reliability Score 95/100
Last Checked 2026-10-28 15:23:43
Last Healthy 2026-10-28 15:23:43
Consecutive Failures 0

x402 Payment Validation

Payment Requirements Valid
Asset Verified Known USDC
Facilitator —

Input Schema

{ "method": "GET", "queryParams": { "address": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045" }, "type": "http" }

Output Schema

{ "example": { "address": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045", "address_type": "EVM account or contract address (20 bytes)", "chain": "ethereum", "chain_name": "Ethereum", "checksum": "valid", "detected_network": null, "format_valid": true, "network_match": true, "normalized": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045", "note": "Verdict is advice for an agent before moving funds: ok = nothing found, caution = check first, do_not_send = a serious problem, invalid = not a usable Ethereum address. The on-chain check reads a public node at the latest block. Sanctions screening covers OFAC-listed digital-currency addresses only. A valid, clean address can still belong to the wrong person: confirm it through a second channel and send a small test amount first for large transfers.", "on_chain": { "balance": 5.773251986299759, "balance_symbol": "ETH", "checked": true, "eip7702_delegate": "0x5a7fc11397e9a8ad41bf10bf13f22b0a63f96f6d", "exists": true, "kind": "eip7702_delegated_account", "transactions_sent": 5969 }, "sanctions": { "checked": true, "entity": null, "list": "OFAC SDN digital-currency addresses", "sanctioned": false }, "source": "Computed locally (checksum and format); Ethereum public node; OFAC SDN digital-currency address list", "summary": "Valid EVM account or contract address (20 bytes). ", "verdict": "ok", "warnings": [ { "code": "eip7702_delegated", "message": "This account has delegated its code via EIP-7702 (a smart-wallet style account). It is still a normal account for receiving funds.", "severity": "low" } ] }, "type": "json" }

Recent Health Checks

Time Status HTTP Latency Error
2026-10-28 15:23:43 healthy 402 353ms
2026-10-28 14:18:22 healthy 402 339ms
2026-10-28 05:44:12 healthy 402 354ms
2026-10-28 04:46:11 healthy 402 338ms
2026-10-28 03:52:18 healthy 402 314ms
2026-10-28 02:53:08 healthy 402 358ms
2026-10-28 01:48:42 healthy 402 276ms
2026-10-28 00:41:41 healthy 402 324ms
2026-10-27 23:45:22 healthy 402 376ms
2026-10-27 22:59:26 healthy 402 335ms
2026-10-27 21:48:13 healthy 402 498ms
2026-10-27 20:33:17 healthy 402 333ms
2026-10-27 19:28:46 healthy 402 390ms
2026-10-26 21:03:05 degraded 404 279ms
2026-10-25 21:18:10 healthy 402 715ms