{"slug":"saylorinnovations-com-api-chain-erc1155-balance-2427bb","title":"ERC-1155 balance on 16 EVM chains","host":"saylorinnovations.com","method":"GET","resource":"https://saylorinnovations.com/api/chain/erc1155-balance","category":"market","description":"ERC-1155 balance on 16 EVM chains: how many copies of a token id a wallet holds in a collection, read through balanceOf(address,id).","price_listed":0.01,"price_asked":0.01,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":491,"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":{"chain":"ethereum","collection":"0x495f947276749Ce646f68AC8c248420045cb7b5e","owner":"0xa7f813571e6ef32114bafc7d3d76ab92834fb5ed","token_id":"89813314979910695552431351118208651157046353870383558364013891323724294000744"},"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":{"chain":{"description":"chain name (ethereum, base, arbitrum, optimism, polygon, bsc, avalanche, gnosis, linea, scroll, mantle, blast, sonic, celo, berachain, unichain) or chain id","type":"string"},"collection":{"description":"the ERC-1155 contract","type":"string"},"owner":{"description":"the wallet to read","type":"string"},"token_id":{"description":"the token id (decimal or 0x hex)","type":"string"}},"required":["chain","owner","collection","token_id"],"type":"object"},"type":{"const":"http","type":"string"}},"required":["type","method"],"type":"object"},"output":{"properties":{"example":{"properties":{"balance":{"description":"copies held, as an integer string","type":"string"},"chain":{"description":"the chain name that was queried","type":"string"},"chain_id":{"description":"EIP-155 chain id of that network","type":"number"},"collection":{"description":"the ERC-1155 contract","type":"string"},"holds_token":{"description":"true when the balance is above zero","type":"boolean"},"owner":{"description":"wallet that was read","type":"string"},"source":{"description":"where the data was read from","type":"string"},"token_id":{"description":"token id in decimal","type":"string"}},"required":["chain","chain_id","owner","collection","token_id","balance","holds_token","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":491,"error":null}],"description_full":"ERC-1155 balance on 16 EVM chains: how many copies of a token id a wallet holds in a collection, read through balanceOf(address,id).","last_updated":"2026-10-21T02:27:06.62Z","schemes":["exact"]}