# Base Network Status (Block + EIP-1559 Fee History)

> Base Network Status (Block + EIP-1559 Fee History) is a paid API for AI agents from apiacre.com, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-15).

Fetches the latest Base mainnet block data and a bounded EIP-1559 fee history in a single RPC batch, including gas utilization and priority-fee percentile samples.

## Facts

- Endpoint: POST https://apiacre.com/v1/crypto/base-network-status
- Price: $0.001/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/base-network-status-block-eip-1559-fee-history-b21b0801
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_N_b7bEzxLDZi9XqIv2Ycv

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability base-network-status-block-eip-1559-fee-history-b21b0801 -d '<json body>'
```

Example prompt: What are the current gas conditions on Base mainnet right now — give me the latest block, base fee, gas utilization, and priority fee percentiles so I can decide how to price my transaction.

## When to prefer this

Use this endpoint when you need a combined snapshot of current Base mainnet block state AND fee history in a single call, rather than making two separate RPC calls. Ideal for agents that need to calibrate gas pricing, monitor network congestion, or make real-time transaction submission decisions on Base L2 specifically. Prefer this over raw Ethereum RPC if you want a structured, pre-parsed response with percentile fee samples already computed.

## Known failure modes

- Base RPC node temporarily unavailable — returns 5xx or timeout
- Invalid percentile values outside 0-100 range — returns 400 validation error
- Block history range too large — returns 400 with bounds error
- Network reorg or stale block during high congestion — may return slightly outdated block data

## How this service works

Read the latest Base mainnet block and a bounded EIP-1559 fee history in one RPC batch, including gas utilization and priority-fee percentile samples.

## Output

Returns the latest Base mainnet block details (block number, timestamp, gas used, gas limit, base fee per gas) along with a bounded EIP-1559 fee history array containing base fees and priority-fee percentile samples (e.g. 10th, 50th, 90th percentiles) across recent blocks, plus computed gas utilization ratios.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "fee_history_blocks": {
   "type": "integer"
  },
  "reward_percentiles": {
   "type": "array",
   "items": {
    "type": "number"
   }
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "data": {
   "fees": {
    "history": {
     "blockCount": 5,
     "headAligned": true,
     "newestBlock": 34600000,
     "oldestBlock": 34599996,
     "rewardPercentiles": [
      10,
      50,
      90
     ]
    },
    "gasPriceWei": "1000000"
   },
   "source": "https://docs.base.org/base-chain/quickstart/connecting-to-base",
   "network": {
    "name": "Base Mainnet",
    "caip2": "eip155:8453",
    "chainId": 8453
   },
   "readOnly": true,
   "warnings": [],
   "disclaimer": "A point-in-time public Base RPC observation, not a fee guarantee or transacti...",
   "observedAt": "2026-08-11T13:00:02+00:00",
   "latestBlock": {
    "hash": "0x4444444444444444444444444444444444444444444444444444444444444444",
    "number": 34600000,
    "timestamp": "2026-08-11T13:00:00+00:00",
    "ageSeconds": 2,
    "parentHash": "0x3333333333333333333333333333333333333333333333333333333333333333"
   },
   "networkRequestsMade": 1,
   "transactionBroadcast": false
  },
  "meta": {
   "cached": false,
   "sources": [],
   "warnings": [],
   "duration_ms": 42,
   "next_actions": []
  },
  "service": "crypto.base-network-status",
  "version": "1",
  "request_id": "018f1f54-7f38-7ba2-8dc3-5f90272d9f1a"
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/base-network-status-block-eip-1559-fee-history-b21b0801/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from apiacre.com](https://www.zero.xyz/host/apiacre.com/llms.txt)