PAY PER RESULT. NO KEY.

One call.
Current state.

Gas, balances, token metadata and allowances for agents. $0.004 per result.

Read the schema
GET/api/v1/base/address402
{
  "accountType": "contract",
  "nativeBalance": {
    "symbol": "ETH",
    "formatted": "0.081421"
  },
  "usdcBalance": {
    "formatted": "184.50"
  },
  "evidence": {
    "chainId": 8453,
    "blockNumber": "35123456",
    "pointInTime": true
  }
}
USDC SETTLEMENT$0.004
4focused routes
8453Base chain ID
$0.004each result
0accounts or keys

DIRECT READS FROM BASE

Small endpoints.
Useful answers.

Each response cites the block and timestamp used, so an agent knows exactly how fresh its evidence is.

01GET

Gas snapshot

Current block, base fee, gas price, plus standard and fast EIP-1559 fee caps.

/api/v1/base/gas
No parameters
02GET

Address state

EOA or contract type, nonce, native ETH balance and Base USDC balance.

/api/v1/base/address
address=0x...
03GET

Token metadata

ERC-20 name, symbol, decimals and total supply read from the contract.

/api/v1/base/token
address=0x...
04GET

Allowance signals

Balance, approval amount and clear signals for unlimited or excessive allowances.

/api/v1/base/allowance
token=...&owner=...&spender=...

EVIDENCE, NOT PROMISES

What the result means.

01Direct sourceBaseBrief reads Base JSON-RPC without reselling a data vendor.

02Point in timeEvery result includes a block number and check time.

03Clear limitsFee caps are heuristics. Token metadata is not an endorsement. Allowance data is not a security verdict.

MACHINE READY

Send HTTP.
Settle USDC.
Get Base state.

Open API definition