Retrieve newest-first incoming and outgoing Circle USDC Transfer events for one address ac
Retrieve newest-first incoming and outgoing Circle USDC Transfer events for one address across a validated, bounded Base mainnet block range.
5000 (raw units)
price
1
calls / 30d
1
unique payers
2026-09-01
updated
Provider
apiacre.com · discovered, not yet claimed by its owner
Payment (x402 accepts[])
[
{
"scheme": "exact",
"network": "eip155:8453",
"payTo": "0xa0BFa4f07281c9b248DC3AED2217836BcA24869B",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "5000",
"maxTimeoutSeconds": 300
},
{
"scheme": "exact",
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "B4CHWQeQn7GDLZD2aW6hpGG2bEseisBFLZYECA3HDLan",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"amount": "5000",
"maxTimeoutSeconds": 300
}
]Output schema
{
"bazaar": {
"info": {
"input": {
"body": {
"address": "0x1111111111111111111111111111111111111111",
"block_tag": "safe",
"direction": "any",
"limit": 25,
"lookback_blocks": 2000
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"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"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"address": {
"type": "string"
},
"block_tag": {
"enum": [
"latest",
"safe",
"finalized"
],
"type": "string"
},
"direction": {
"enum": [
"any",
"incoming",
"outgoing"
],
"type": "string"
},
"limit": {
"type": "integer"
},
"lookback_blocks": {
"type": "integer"
}
},
"required": [
"address"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST",
"PUT",
"PATCH"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"data": {
"properties": {
"address": {
"type": "string"
},
"addressExplorerUrl": {
"type": "string"
},
"asset": {
"type": "object"
},
"blockRange": {
"type": "object"
},
"detected": {
"type": "integer"
},
"direction": {
"type": "string"
},
"disclaimer": {
"type": "string"
},
"duplicatesRemoved": {
"type": "integer"
},
"eventSignature": {
"type": "string"
},
"limitations": {
"items": {
"type": "string"
},
"type": "array"
},
"network": {
"type": "string"
},
"networkRequestsMade": {
"type": "integer"
},
"queriedLogCount": {
"type": "integer"
},
"readOnly": {
"type": "boolean"
},
"removedSkipped": {
"type": "integer"
},
"returned": {
"type": "integer"
},
"rpcCallsMade": {
"type": "integer"
},
"source": {
"type": "string"
},
"tokenSource": {
"type": "string"
},
"topic0": {
"type": "string"
},
"transactionBroadcast": {
"type": "boolean"
},
"transfers": {
"items": {
"type": "object"
},
"type": "array"
},
"truncated": {
"type": "boolean"
},
"usdcSource": {
"type": "string"
},
"warnings": {
"items": {
"type": "string"
},
"type": "array"
}
},
"type": "object"
},
"meta": {
"properties": {
"cached": {
"type": "boolean"
},
"duration_ms": {
"type": "integer"
},
"next_actions": {
"items": {
"type": "object"
},
"type": "array"
},
"sources": {
"items": {
"type": "string"
},
"type": "array"
},
"warnings": {
"items": {
"type": "string"
},
"type": "array"
}
},
"required": [
"duration_ms",
"cached",
"sources",
"warnings",
"next_actions"
],
"type": "object"
},
"request_id": {
"type": "string"
},
"service": {
"type": "string"
},
"version": {
"type": "string"
}
},
"required": [
"request_id",
"service",
"version",
"data",
"meta"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
},
"payment-identifier": {
"info": {
"required": false
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"id": {
"maxLength": 128,
"minLength": 16,
"pattern": "^[a-zA-Z0-9_-]+$",
"type": "string"
},
"required": {
"type": "boolean"
}
},
"required": [
"required"
],
"type": "object"
}
}
}Use it
curl
curl "https://apiacre.com/v1/crypto/base-usdc-transfers" # -> 402 Payment Required, accepts[] lists how to pay # retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid
JavaScript
const res = await fetch("https://apiacre.com/v1/crypto/base-usdc-transfers");
if (res.status === 402) {
const { accepts } = await res.json();
// pay one of accepts[] via an x402 client, then retry with the payment header
}Python
import httpx
res = httpx.get("https://apiacre.com/v1/crypto/base-usdc-transfers")
if res.status_code == 402:
accepts = res.json()["accepts"]
# pay one of accepts[] via an x402 client, then retry with the payment headerMachine-readable
Everything on this page is also available as clean JSON at /resources/2576.json, and this resource appears in /discovery/resources and /discovery/search.