Base network and fee status
$0.001 USDCCompare the inspected historical or tagged block with the current Base head and bounded EIP-1559 fee history.
Free static example · no wallet required
Base block inspection
Inspect the exact response envelope first. When you need current analysis for your own input, one successful x402 call costs $0.001 USDC on Base or Solana.
No accountNo subscriptionExact USDC priceFresh calls only are paid
Full response envelope
What you receive
Demonstration data only. The paid endpoint returns a fresh result and settlement receipt.
{
"request_id": "018f1f54-7f38-7ba2-8dc3-5f90272d9f1a",
"service": "crypto.base-block-inspect",
"version": "1",
"data": {
"request": {
"mode": "number",
"blockNumber": 34600000,
"blockTag": null,
"rpcSelector": "0x20ff440",
"fullTransactions": false
},
"network": {
"name": "Base Mainnet",
"caip2": "eip155:8453",
"chainId": 8453
},
"observedAt": "2026-08-11T13:00:04+00:00",
"head": {
"latestNumber": 34600002,
"blockAtOrBeforeHead": true,
"confirmations": 3
},
"found": true,
"block": {
"number": 34600000,
"hash": "0x4444444444444444444444444444444444444444444444444444444444444444",
"parentHash": "0x3333333333333333333333333333333333333333333333333333333333333333",
"timestamp": "2026-08-11T13:00:00+00:00",
"ageSeconds": 4,
"transactionCount": 187,
"sizeBytes": 114491,
"gasLimit": 120000000,
"gasUsed": 54000000,
"gasUtilization": 0.45,
"baseFeePerGasWei": "500000",
"blobGasUsed": 524288,
"excessBlobGas": 0,
"miner": "0x4200000000000000000000000000000000000011",
"roots": {
"transactions": "0x5555555555555555555555555555555555555555555555555555555555555555",
"state": "0x6666666666666666666666666666666666666666666666666666666666666666",
"receipts": "0x7777777777777777777777777777777777777777777777777777777777777777"
},
"explorerUrl": "https://basescan.org/block/34600000"
},
"networkRequestsMade": 1,
"rpcCallsMade": 3,
"readOnly": true,
"transactionBroadcast": false,
"warnings": [],
"source": "https://docs.base.org/base-chain/api-reference/ethereum-json-rpc-api/eth_getBlockByNumber",
"disclaimer": "A point-in-time RPC observation, not proof of finality beyond the requested provider tag. Public-provider availability, archival depth, and head freshness may vary."
},
"meta": {
"duration_ms": 42,
"cached": false,
"sources": [],
"warnings": [],
"next_actions": [
{
"service": "crypto.base-network-status",
"title": "Base network and fee status",
"reason": "Compare the inspected historical or tagged block with the current Base head and bounded EIP-1559 fee history.",
"method": "POST",
"path": "/v1/crypto/base-network-status",
"price": "$0.001",
"input_template": {
"fee_history_blocks": 5,
"reward_percentiles": [
10,
50,
90
]
},
"use_output": "Compare the follow-up result.data.latestBlock.number with this result.data.block.number and use its fees only as fresh point-in-time context; it does not change or prove the inspected block's finality.",
"handoff_path": "/catalog/crypto.base-network-status",
"checkout_path": "/try/crypto.base-network-status",
"sample_path": "/samples/crypto.base-network-status",
"maximum_atomic_usdc": "1000",
"handoff_payment_required": false,
"executes_automatically": false,
"authorization_required": true
}
]
}
}Example request
Input JSON
{
"block_number": 34600000,
"block_tag": "safe"
}Delivery contract
One paid POST
Get and inspect one historical Base mainnet block by exact number or a latest, safe, or finalized tag, returning its header timestamp, transaction count, gas use, base and blob fees, state and receipt roots, confirmations, and head-distance evidence.
POST /v1/crypto/base-block-inspect
Optional next calls
Continue with related evidence.
Each option opens a new checkout with its own exact price and requires separate buyer authorization. Nothing runs automatically.
Need current data?
Run this exact service.
The checkout verifies the request, selected network, USDC asset, recipient, and price before opening a wallet.