Where a wallet is active
Where a wallet is active: native balance, transaction count and contract flag on all 16 EVM chains in one call, with the most active chain.
Answeringour last check, 2026-10-21
1 of 1checks answered this week
316 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/activity-map
| Category | Market data |
|---|---|
| Provider host | saylorinnovations.com |
| Networks | eip155:137, eip155:42161, eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-21 | valid payment request | 402 | $0.01 | 316 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"address": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"address": {
"description": "the wallet or contract address to look up on every chain",
"type": "string"
}
},
"required": [
"address"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"active_chains": {
"description": "names of those chains",
"type": [
"array",
"null"
]
},
"address": {
"description": "the address queried",
"type": "string"
},
"chains_active": {
"description": "chains where it has a balance or has sent transactions",
"type": "number"
},
"chains_answered": {
"description": "chains that answered",
"type": "number"
},
"chains_queried": {
"description": "chains asked",
"type": "number"
},
"elapsed_ms": {
"description": "total time for all chains",
"type": "number"
},
"most_active_chain": {
"description": "chain with the most outgoing transactions",
"type": [
"string",
"null"
]
},
"note": {
"description": "plain-language reading of the result",
"type": "string"
},
"results": {
"description": "one entry per chain",
"items": {
"properties": {
"active": {
"description": "true when balance or nonce is above zero",
"type": [
"boolean",
"null"
]
},
"chain": {
"description": "chain name",
"type": [
"string",
"null"
]
},
"is_contract": {
"description": "true when the address is a contract there",
"type": [
"boolean",
"null"
]
},
"ms": {
"description": "time taken for that chain",
"type": [
"number",
"null"
]
},
"native_balance": {
"description": "native balance",
"type": [
"number",
"null"
]
},
"native_symbol": {
"description": "native currency",
"type": [
"string",
"null"
]
},
"ok": {
"description": "false when the chain did not answer",
"type": [
"boolean",
"null"
]
},
"tx_count": {
"description": "outgoing transactions (nonce)",
"type": [
"number",
"null"
]
}
},
"type": "object"
},
"type": [
"array",
"null"
]
},
"source": {
"description": "where the data was read from or how it was computed",
"type": "string"
},
"total_transactions_sent": {
"description": "sum of outgoing transactions over answering chains",
"type": "number"
}
},
"required": [
"address",
"chains_queried",
"chains_answered",
"chains_active",
"results",
"note",
"source"
],
"type": "object"
},
"type": {
"const": "json",
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}