ToolAssay

ERC-1155 balance on 16 EVM chains

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).

Answeringour last check, 2026-10-21
1 of 1checks answered this week
491 msmedian answer time
$0.01listed price per call
$0.01price it asked us

Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.

Endpoint

GET https://saylorinnovations.com/api/chain/erc1155-balance

CategoryMarket data
Provider hostsaylorinnovations.com
Networkseip155:137, eip155:42161, eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp
Payment schemesexact
Self-reported calls, 30 days2 from 2 payers (the provider's figure, not ours)

Our checks, last 30 days

DayResultHTTPAskedTime
2026-10-21 valid payment request 402$0.01 491 ms

Example input (from the provider)

{
  "method": "GET",
  "queryParams": {
    "chain": "ethereum",
    "collection": "0x495f947276749Ce646f68AC8c248420045cb7b5e",
    "owner": "0xa7f813571e6ef32114bafc7d3d76ab92834fb5ed",
    "token_id": "89813314979910695552431351118208651157046353870383558364013891323724294000744"
  },
  "type": "http"
}

Promised output schema (from the provider)

{
  "$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"
}

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