API Acre — Base USDC transfer history
https://apiacre.com/v1/crypto/base-usdc-transfersOverview
Retrieve newest-first incoming and outgoing Circle USDC Transfer events for one address across a validated, bounded Base mainnet block range.
Protocol
x402 (POST)
Price
$0.0050
Payment Asset
USD Coin
Payment Network
eip155:8453
Category
crypto
Provider
API Acre
Source
self-registered
Indexed
2026-08-12 14:21:50
Health
Status
healthy
Latency (p50)
351ms
Uptime (30d)
95.5%
Reliability Score
92.7/100
Last Checked
2026-10-31 07:01:49
Last Healthy
2026-10-31 07:01:49
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Valid
Asset Verified
Known USDC
Facilitator
—
Input Schema
{
"body": {
"address": "0x1111111111111111111111111111111111111111",
"block_tag": "safe",
"direction": "any",
"limit": 25,
"lookback_blocks": 2000
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Output Schema
{
"example": {
"data": {
"address": "0x1111111111111111111111111111111111111111",
"addressExplorerUrl": "https://basescan.org/address/0x11111111111111111111111111...",
"asset": {
"contract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"decimals": 6,
"name": "USD Coin",
"symbol": "USDC"
},
"blockRange": {
"fromBlock": 34565891,
"requestedTag": "safe",
"toBlock": 34567890,
"toBlockHash": "0x1111111111111111111111111111111111111111111111111111111..."
},
"detected": 1,
"direction": "any",
"disclaimer": "Public onchain event evidence only. A transfer does not e...",
"duplicatesRemoved": 0,
"eventSignature": "Transfer(address,address,uint256)",
"limitations": [
"Only Circle's official native USDC contract on Base mainn...",
"The result covers only the resolved bounded block range, ...",
"Finality and provider freshness depend on the requested b..."
],
"network": "eip155:8453",
"networkRequestsMade": 2,
"queriedLogCount": 1,
"readOnly": true,
"removedSkipped": 0,
"returned": 1,
"rpcCallsMade": 3,
"source": "https://docs.base.org/base-chain/api-reference/ethereum-j...",
"tokenSource": "https://eips.ethereum.org/EIPS/eip-20",
"topic0": "0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4...",
"transactionBroadcast": false,
"transfers": [
{
"blockHash": "0x2222222222222222222222222222222222222222222222222222222...",
"blockNumber": 34567800,
"transactionHash": "0x3333333333333333333333333333333333333333333333333333333...",
"transactionIndex": 4
}
],
"truncated": false,
"usdcSource": "https://developers.circle.com/stablecoins/usdc-contract-a...",
"warnings": []
},
"meta": {
"cached": false,
"duration_ms": 42,
"next_actions": [],
"sources": [],
"warnings": []
},
"request_id": "018f1f54-7f38-7ba2-8dc3-5f90272d9f1a",
"service": "crypto.base-usdc-transfers",
"version": "1"
},
"type": "json"
}