Premium Transfers
by oraclepost.higgsfield.app in Onchain & crypto
Recent USDC transfers in and out of any address on Base, read live from the chain (Transfer event logs over roughly the last ~600 blocks, about 20 minutes; the window narrows automatically if the public node rejects a wider range). Pass ?address=0x... . Returns up to 50 entries with block, tx hash, from, to, amount. No third-party API, no cache.
GET https://oraclepost.higgsfield.app/api/premium/transfers
Last 30 days
Status and outage history · Atom feed
- Uptime
- 100%
- Response time
- 348 ms typical, 716 ms slowest 5%
- Last check
- 4 h ago
- Next check
- any minute now
How to call it
GET https://oraclepost.higgsfield.app/api/premium/transfers
Each call costs $0.02 in USDC on Base, paid with the request over x402.
Run a free test callOne unpaid request, the way an agent sends it. You see the payment challenge it gets back. Nothing is charged.
Example request
From the listing.
GET https://oraclepost.higgsfield.app/api/premium/transfers?address=EVM+address+on+Base%2C+0x-prefixedParameters
| Parameter | Type | Required | Description |
|---|---|---|---|
address | string | Yes | EVM address on Base, 0x-prefixed |
Example response
The provider's example. We can't check it without paying.
{
"address": "0xe3Ba...",
"count": 2,
"from_block": 51231567,
"to_block": 51234567,
"transfers": [
{
"block": 51234000,
"from": "0xe3Ba...",
"to": "0x88E0...",
"tx": "0xabc...",
"usdc": 0.001
}
],
"window_blocks": 3000
}Call it from code
The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.02.
curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://oraclepost.higgsfield.app/api/premium/transfers?address=EVM+address+on+Base%2C+0x-prefixed'
# x402 v2 sends the challenge base64-encoded in the PAYMENT-REQUIRED header (v1 sends it in the body).
# To read the header:
curl -sS -g -o /dev/null -D - 'https://oraclepost.higgsfield.app/api/premium/transfers?address=EVM+address+on+Base%2C+0x-prefixed' \
| grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decodeJavaScript: pay and call
// npm i @x402/fetch @x402/evm viem
import { wrapFetchWithPayment, x402Client } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";
// Pays at most $0.02 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.02" });
registerExactEvmScheme(client, { signer: privateKeyToAccount(process.env.EVM_PRIVATE_KEY) });
const pay = wrapFetchWithPayment(fetch, client);
// Not sure it's safe to pay? ToolVet checks it first for $0.005. Pay for that from a separate
// client: this one is capped at $0.02 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Foraclepost.higgsfield.app%2Fapi%2Fpremium%2Ftransfers
const res = await pay("https://oraclepost.higgsfield.app/api/premium/transfers?address=EVM+address+on+Base%2C+0x-prefixed");
console.log(res.status, await res.text());Python: pay and call
# pip install "x402[requests,evm]"
import os
from eth_account import Account
from x402 import x402ClientSync
from x402.http.clients import x402_requests
from x402.mechanisms.evm import EthAccountSigner
from x402.mechanisms.evm.exact.register import register_exact_evm_client
# Pays at most $0.02 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.02"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))
with x402_requests(client) as session:
res = session.get("https://oraclepost.higgsfield.app/api/premium/transfers?address=EVM+address+on+Base%2C+0x-prefixed")
print(res.status_code, res.text)Security scan
- No findings. We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.
Recent checks
| When | Result | HTTP | Time | Price |
|---|---|---|---|---|
| 4 h ago | Passed | 402 | 320 ms | $0.02 |
| 8 h ago | Passed | 402 | 293 ms | $0.02 |
| 11 h ago | Passed | 402 | 242 ms | $0.02 |
| 15 h ago | Passed | 402 | 349 ms | $0.02 |
| 19 h ago | Passed | 402 | 340 ms | $0.02 |
| 23 h ago | Passed | 402 | 716 ms | $0.02 |
| 27 h ago | Passed | 402 | 549 ms | $0.02 |
| 30 h ago | Passed | 402 | 477 ms | $0.02 |
| 34 h ago | Passed | 402 | 488 ms | $0.02 |
| 37 h ago | Passed | 402 | 536 ms | $0.02 |
| 41 h ago | Passed | 402 | 289 ms | $0.02 |
| 45 h ago | Passed | 402 | 294 ms | $0.02 |
| 2 days ago | Passed | 402 | 463 ms | $0.02 |
| 2 days ago | Passed | 402 | 435 ms | $0.02 |
| 2 days ago | Passed | 402 | 313 ms | $0.02 |