{"slug":"saylorinnovations-com-api-crypto-address-check-3c547c","title":"Validate a crypto address offline","host":"saylorinnovations.com","method":"GET","resource":"https://saylorinnovations.com/api/crypto/address-check","category":"market","description":"Validate a crypto address offline: format and checksum for EVM EIP-55, Bitcoin, Litecoin, Tron, XRP, Solana, TON, Sui, Cosmos and Cardano, with network detection.","price_listed":0.01,"price_asked":0.01,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":294,"reported_calls_30d":2,"reported_payers_30d":2,"networks":["eip155:137","eip155:42161","eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","queryParams":{"address":"1A1zP1eP5QGefi2DMPTfTL5SLmv7DivfNa"},"type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"method":{"enum":["GET"],"type":"string"},"queryParams":{"properties":{"address":{"description":"the address to validate, any supported format (EVM 0x, Bitcoin/Litecoin/Dogecoin base58 or bech32, Tron T..., XRP r..., Solana base58, TON, Sui/Aptos 0x+64 hex, Cosmos bech32, Cardano addr1)","type":"string"}},"required":["address"],"type":"object"},"type":{"const":"http","type":"string"}},"required":["type","method"],"type":"object"},"output":{"properties":{"example":{"properties":{"address":{"description":"Account or contract address","type":"string"},"checksum_failure":{"description":"Checksum failure","type":"boolean"},"matches":{"description":"Matching items","type":"array"},"note":{"description":"Caveat or context for reading the result","type":"string"},"source":{"description":"Data source the values come from","type":"string"},"summary":{"description":"Short summary","type":"string"},"valid":{"description":"True when the input passed validation","type":"boolean"},"verdict":{"description":"Overall assessment derived from the listed reasons","type":"string"}},"required":["address","valid","checksum_failure","verdict","matches","summary","note","source"],"type":"object"},"type":{"const":"json","type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[{"day":"2026-10-21","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.01,"price_match":true,"latency_ms":294,"error":null}],"description_full":"Validate a crypto address offline: format and checksum for EVM EIP-55, Bitcoin, Litecoin, Tron, XRP, Solana, TON, Sui, Cosmos and Cardano, with network detection.","last_updated":"2026-10-21T03:42:01.052Z","schemes":["exact"]}