Saylor Innovations Data Desk

Name: Saylor Innovations Data Desk
Price: 0.01 USDC
Availability: InStock

Wallet snapshot in one call on 16 EVM chains: native balance, transaction count, account kind and balances of the major ERC-20 tokens or tokens you list.

DataLiveeip155:8453Exactvia cdp

https://saylorinnovations.com/api/chain/wallet-snapshot

Wallet snapshotWallet balances one callNative and token balancePortfolio quick checkMulti token balance

Calls · 30d

This endpoint's own trailing-30-day call count, as published by the upstream catalog and snapshotted daily. 6 snapshots so far.

$15.76

Verified settled volume

1,657 settlements proven x402 by their on-chain EIP-3009 marker.

$0.010

Listed price

As published in the catalog. Always read the live 402 before paying.

Calls · 30d

Upstream's own call count for this endpoint, not ours.

Unique payers · 30d

Last called 2026-10-23 02:26Z

—

Upstream on-chain volume

Reported by the source catalog.

Paid to

0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa

The wallet the 402 directs payment to. Its whole payment record — every payer, every chain — is on the merchant page.

Asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Provider

The payTo wallet does not resolve to a registered ERC-8004 agent. That is not a verdict on the service — most of the catalog is unregistered.

Live 402 challenge

Captured by the enrichment pass, not read just now. Prices can change — always read the 402 the endpoint answers with.

{
  "error": "Payment required to access this resource.",
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "memo": "saylor:datadesk:chain-wallet-sna",
        "name": "USD Coin",
        "note": "Base settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
        "version": "2",
        "facilitatorOnly": true,
        "assetTransferMethod": "eip3009"
      },
      "payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
      "amount": "10000",
      "scheme": "exact",
      "network": "eip155:8453",
      "maxTimeoutSeconds": 120
    },
    {
      "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
      "extra": {
        "memo": "saylor:datadesk:chain-wallet-sna",
        "name": "USD Coin",
        "note": "Polygon settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
        "version": "2",
        "facilitatorOnly": true,
        "assetTransferMethod": "eip3009"
      },
      "payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
      "amount": "10000",
      "scheme": "exact",
      "network": "eip155:137",
      "maxTimeoutSeconds": 120
    },
    {
      "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
      "extra": {
        "memo": "saylor:datadesk:chain-wallet-sna",
        "name": "USD Coin",
        "note": "Arbitrum settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
        "version": "2",
        "facilitatorOnly": true,
        "assetTransferMethod": "eip3009"
      },
      "payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
      "amount": "10000",
      "scheme": "exact",
      "network": "eip155:42161",
      "maxTimeoutSeconds": 120
    },
    {
      "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
      "extra": {
        "memo": "saylor:datadesk:chain-wallet-sna",
        "session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazpjaGFpbi13YWxsZXQtc25hcHNob3QiLCJyZWZlcmVuY2UiOiJDQ3JhUXFHbTdhdDZpTFNSR0VlYlY1VWgydXpRdXNDd1B3elpQRHpqZW1NOCIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6IkVQakZXZGQ1QXVmcVNTcWVNMnFOMXh6eWJhcEM4RzR3RUdHa1p3eVREdDF2IiwibWluQW1vdW50IjoxMDAwMCwiZXhwIjoxNzkyNTU4MDYyMDUyfQ.oKnt3gTRNuZAS-PIJwgxKK-cc1Hdhy5PcbSb_gebuuI",
        "feePayer": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F",
        "reference": "CCraQqGm7at6iLSRGEebV5Uh2uzQusCwPwzZPDzjemM8"
      },
      "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
      "amount": "10000",
      "scheme": "exact",
      "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
      "maxTimeoutSeconds": 120
    },
    {
      "asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
      "extra": {
        "memo": "saylor:datadesk:chain-wallet-sna",
        "session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazpjaGFpbi13YWxsZXQtc25hcHNob3QiLCJyZWZlcmVuY2UiOiJGazQ4NnZYTFFRcjlZNHBNMkxrM2Z4Nm5uenc0dkJpUGlwbXlncExzNkRXSiIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6IkVzOXZNRnJ6YUNFUm1KZnJGNEgyRllENEtDb05rWTExTWNDZThCZW53TllCIiwibWluQW1vdW50IjoxMDAwMCwiZXhwIjoxNzkyNTU4MDYyMDUyfQ.kpfIZkgaW4tk3A4wN5OVFhchN1KuLvVd7FcJfGOXgMA",
        "feePayer": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F",
        "reference": "Fk486vXLQQr9Y4pM2Lk3fx6nnzw4vBiPipmygpLs6DWJ"
      },
      "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
      "amount": "10000",
      "scheme": "exact",
      "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
      "maxTimeoutSeconds": 120
    },
    {
      "asset": "So11111111111111111111111111111111111111112",
      "extra": {
        "memo": "saylor:datadesk:chain-wallet-sna",
        "note": "Native SOL: send lamports with a system transfer, not an SPL transfer. Price is quoted live and this quote expires in 120s.",
        "native": true,
        "session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazpjaGFpbi13YWxsZXQtc25hcHNob3QiLCJyZWZlcmVuY2UiOiIzTGVHN01nRGU4ZkFuVVo1WnRBZXRIMWkzdUxTbzZUYTZDZVVSTFlXcVhHQiIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6bnVsbCwibWluQW1vdW50Ijo5MTgxMiwiZXhwIjoxNzkyNTU4MDYyMDUyfQ.c71C0nMZJB_7x_eikwlP0Em8t5dXgGlVYSR30hPC4ok",
        "reference": "3LeG7MgDe8fAnUZ5ZtAetH1i3uLSo6Ta6CeURLYWqXGB",
        "solUsdPrice": 105.65,
        "quotedLamports": "94652"
      },
      "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
      "amount": "91812",
      "scheme": "exact",
      "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
      "maxTimeoutSeconds": 120
    }
  ],
  "resource": {
    "url": "https://saylorinnovations.com/api/chain/wallet-snapshot?chain=base&address=0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
    "tags": [
      "wallet snapshot",
      "wallet balances one call",
      "native and token balance",
      "portfolio quick check",
      "multi token balance"
    ],
    "iconUrl": "https://saylorinnovations.com/og-image.jpg",
    "mimeType": "application/json",
    "description": "Wallet snapshot in one call on 16 EVM chains: native balance, transaction count, account kind and balances of the major ERC-20 tokens or tokens you list.",
    "serviceName": "Saylor Innovations Data Desk"
  },
  "extensions": {
    "tags": [
      "wallet snapshot",
      "wallet balances one call",
      "native and token balance",
      "portfolio quick check",
      "multi token balance"
    ],
    "bazaar": {
      "info": {
        "input": {
          "type": "http",
          "method": "GET",
          "queryParams": {
            "chain": "base",
            "address": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"
          }
        },
        "output": {
          "type": "json",
          "example": {
            "note": "Balances of the major tokens on this chain (USDC, WETH), read at the latest block. Pass tokens=<comma-separated contract addresses> to check others.",
            "chain": "base",
            "source": "Chain JSON-RPC (base)",
            "tokens": [
              {
                "token": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
                "status": "holds",
                "symbol": "USDC",
                "balance": "78.995979",
                "decimals": 6,
                "balance_raw": "78995979"
              },
              {
                "token": "0x4200000000000000000000000000000000000006",
                "status": "holds",
                "symbol": "WETH",
                "balance": "0.222512739074208417",
                "decimals": 18,
                "balance_raw": "222512739074208417"
              }
            ],
            "address": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
            "chain_id": 8453,
            "tx_count": 70,
            "account_kind": "eip7702_delegated_eoa",
            "native_symbol": "ETH",
            "native_balance": 3.1288218134727375,
            "tokens_checked": 2,
            "native_balance_wei": "3128821813472737280"
          }
        }
      },
      "schema": {
        "type": "object",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "required": [
          "input"
        ],
        "properties": {
          "input": {
            "type": "object",
            "required": [
              "type",
              "method"
            ],
            "properties": {
              "type": {
                "type": "string",
                "const": "http"
              },
              "method": {
                "enum": [
                  "GET"
                ],
                "type": "string"
              },
              "queryParams": {
                "type": "object",
                "required": [
                  "chain",
                  "address"
                ],
                "properties": {
                  "chain": {
                    "type": "string",
                    "description": "chain name (ethereum, base, arbitrum, optimism, polygon, bsc, avalanche, gnosis, linea, scroll, mantle, blast, sonic, celo, berachain, unichain) or chain id"
                  },
                  "address": {
                    "type": "string",
                    "description": "the wallet to read"
                  }
                }
              }
            },
            "additionalProperties": false
          },
          "output": {
            "type": "object",
            "required": [
              "type"
            ],
            "properties": {
              "type": {
                "type": "string",
                "const": "json"
              },
              "example": {
                "type": "object",
                "required": [
                  "chain",
                  "chain_id",
                  "address",
                  "native_balance",
                  "tokens_checked",
                  "tokens",
                  "note",
                  "source"
                ],
                "properties": {
                  "note": {
                    "type": "string",
                    "description": "plain-language reading of the result"
                  },
                  "chain": {
                    "type": "string",
                    "description": "the chain name that was queried"
                  },
                  "source": {
                    "type": "string",
                    "description": "where the data was read from"
                  },
                  "tokens": {
                    "type": [
                      "array",
                      "null"
                    ],
                    "items": {
                      "type": "object",
                      "properties": {
                        "token": {
                          "type": [
                            "string",
                            "null"
                          ],
                          "description": "token contract address"
                        },
                        "status": {
                          "type": [
                            "string",
                            "null"
                          ],
                          "description": "holds, zero or not_a_token_on_this_chain"
                        },
                        "symbol": {
                          "type": [
                            "string",
                            "null"
                          ],
                          "description": "token symbol"
                        },
                        "balance": {
                          "type": [
                            "string",
                            "null"
                          ],
                          "description": "balance in token units as a decimal string"
                        },
                        "decimals": {
                          "type": [
                            "number",
                            "null"
                          ],
                          "description": "token decimals"
                        },
                        "balance_raw": {
                          "type": [
                            "string",
                            "null"
                          ],
                          "description": "balance in base units as a string"
                        }
                      }
                    },
                    "description": "per-token balance, symbol, decimals and status"
                  },
                  "address": {
                    "type": "string",
                    "description": "the wallet that was read"
                  },
                  "chain_id": {
                    "type": "number",
                    "description": "EIP-155 chain id of that network"
                  },
                  "tx_count": {
                    "type": [
                      "number",
                      "null"
                    ],
                    "description": "transactions sent from this address (nonce)"
                  },
                  "account_kind": {
                    "type": [
                      "string",
                      "null"
                    ],
                    "description": "eoa_or_empty, contract or eip7702_delegated_eoa"
                  },
                  "native_symbol": {
                    "type": "string",
                    "description": "native currency of the chain"
                  },
                  "native_balance": {
                    "type": "number",
                    "description": "native balance as a number"
                  },
                  "tokens_checked": {
                    "type": "number",
                    "description": "number of token contracts read"
                  },
                  "native_balance_wei": {
                    "type": "string",
                    "description": "native balance in wei, as a string"
                  }
                }
              }
            }
          }
        }
      }
    },
    "method": "GET",
    "example": {
      "note": "Balances of the major tokens on this chain (USDC, WETH), read at the latest block. Pass tokens=<comma-separated contract addresses> to check others.",
      "chain": "base",
      "source": "Chain JSON-RPC (base)",
      "tokens": [
        {
          "token": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
          "status": "holds",
          "symbol": "USDC",
          "balance": "78.995979",
          "decimals": 6,
          "balance_raw": "78995979"
        },
        {
          "token": "0x4200000000000000000000000000000000000006",
          "status": "holds",
          "symbol": "WETH",
          "balance": "0.222512739074208417",
          "decimals": 18,
          "balance_raw": "222512739074208417"
        }
      ],
      "address": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
      "chain_id": 8453,
      "tx_count": 70,
      "account_kind": "eip7702_delegated_eoa",
      "native_symbol": "ETH",
      "native_balance": 3.1288218134727375,
      "tokens_checked": 2,
      "native_balance_wei": "3128821813472737280"
    },
    "license": "LicenseRef-Saylor-Agent-Use-1.0",
    "mimeType": "application/json",
    "freshness": "fetched live (cached up to 1 hour for large reference files)",
    "tokenCount": null,
    "inputSchema": {
      "chain": "chain name (ethereum, base, arbitrum, optimism, polygon, bsc, avalanche, gnosis, linea, scroll, mantle, blast, sonic, celo, berachain, unichain) or chain id",
      "tokens": "optional comma-separated ERC-20 contract addresses (up to 10); default is the major stablecoins and wrapped native on that chain",
      "address": "the wallet to read"
    },
    "serviceName": "Saylor Innovations Data Desk",
    "instructions": "STANDARD PATH (works with stock x402 clients): send payload.transaction — a base64 partially-signed Solana transaction — and we route verify/settle through an x402 facilitator that sponsors the fee and submits it. Include the chosen accepts entry as \"accepted\" so we can match terms. ALTERNATIVE PATH (no facilitator): Pick ONE entry from accepts and use the reference and session from THAT entry — each asset has its own. USDC or USDT: send an SPL transfer of the exact amount. Native SOL (asset=So11111111111111111111111111111111111111112, extra.native=true): send that many lamports with a system transfer. Either way include extra.reference as a read-only account (Solana Pay style), then retry with PAYMENT-SIGNATURE: base64({x402Version:2, payload:{session, reference}}). If your client cannot attach a reference, send payload.signature instead (USDC only). SOL amounts are quoted live and expire in 120s; stablecoins do not move. The facilitator path verifies and settles in this request. Only the alternative self-submitted Solana path needs retries while the transfer is indexed (typically 3-4 attempts over 10-20s). On that path, a 402 saying \"payment not found on-chain yet\" means keep retrying.",
    "outputSchema": {
      "type": "object",
      "required": [
        "chain",
        "chain_id",
        "address",
        "native_balance",
        "tokens_checked",
        "tokens",
        "note",
        "source"
      ],
      "properties": {
        "note": {
          "type": "string",
          "description": "plain-language reading of the result"
        },
        "chain": {
          "type": "string",
          "description": "the chain name that was queried"
        },
        "source": {
          "type": "string",
          "description": "where the data was read from"
        },
        "tokens": {
          "type": [
            "array",
            "null"
          ],
          "items": {
            "type": "object",
            "properties": {
              "token": {
                "type": [
                  "string",
                  "null"
                ],
                "description": "token contract address"
              },
              "status": {
                "type": [
                  "string",
                  "null"
                ],
                "description": "holds, zero or not_a_token_on_this_chain"
              },
              "symbol": {
                "type": [
                  "string",
                  "null"
                ],
                "description": "token symbol"
              },
              "balance": {
                "type": [
                  "string",
                  "null"
                ],
                "description": "balance in token units as a decimal string"
              },
              "decimals": {
                "type": [
                  "number",
                  "null"
                ],
                "description": "token decimals"
              },
              "balance_raw": {
                "type": [
                  "string",
                  "null"
                ],
                "description": "balance in base units as a string"
              }
            }
          },
          "description": "per-token balance, symbol, decimals and status"
        },
        "address": {
          "type": "string",
          "description": "the wallet that was read"
        },
        "chain_id": {
          "type": "number",
          "description": "EIP-155 chain id of that network"
        },
        "tx_count": {
          "type": [
            "number",
            "null"
          ],
          "description": "transactions sent from this address (nonce)"
        },
        "account_kind": {
          "type": [
            "string",
            "null"
          ],
          "description": "eoa_or_empty, contract or eip7702_delegated_eoa"
        },
        "native_symbol": {
          "type": "string",
          "description": "native currency of the chain"
        },
        "native_balance": {
          "type": "number",
          "description": "native balance as a number"
        },
        "tokens_checked": {
          "type": "number",
          "description": "number of token contracts read"
        },
        "native_balance_wei": {
          "type": "string",
          "description": "native balance in wei, as a string"
        }
      }
    },
    "noPathTemplate": true,
    "settlementModes": [
      "facilitator-transaction",
      "self-submitted-reference"
    ],
    "typicalLatencyMs": 700
  },
  "x402Version": 2
}

Accepts

The payment requirements as published to the catalog. Read the live 402 before paying — a price here is a claim, not a quote.

0.01USDC≈ $0.01 USD

on Base · exact scheme

Pay 0.01 USDC on Base to 0xA2A8…fc8aa. The signed payment is good for 2 minutes.

Paid to: 0xA2A8…fc8aa
USD Coin contract: 0x8335…02913
Payment window: 2 minutes
As published: 10000 smallest units

10000units

on Polygon · exact scheme