Payer Profile

{
  "address": "0xc9c7b38c0942914fc8ea12063bc92dcd3b581…",
  "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02…",
  "cache": "miss",
  "cadence": {
    "active_days": 6,
    "modal_hours_utc": [
      {
        "hour_utc": 19,
        "payments": 207
      }
    ],
    "payments_per_day": 27.033,
    "regularity": {
      "inter_payment_gap_cv": 5.091,
      "note": "coefficient of variation of the gaps be…"
    },
    "span_days": 5.4
  },
  "class": "paying_index",
  "computed_at": "2026-09-10T00:21:24.086Z",
  "confidence": "high",
  "coverage": {
    "complete": true,
    "explorer_host_failures": 0,
    "explorer_rate_limited": 0,
    "explorer_requests": 18,
    "explorer_retries": 0,
    "note": "every outbound USDC transfer in the win…",
    "upstream_ms": 12328
  },
  "distinct_recipients": 346,
  "evidence": {
    "active_days": 6,
    "distinct_recipients": 346,
    "native_tx_count": 0,
    "payments": 811,
    "payments_per_day": 27.033,
    "span_days": 5.4
  },
  "first_seen": "2026-09-04T09:23:49.000Z",
  "generated_at": "2026-09-10T00:21:24.086Z",
  "last_seen": "2026-09-09T19:02:35.000Z",
  "native_tx_count": 0,
  "native_tx_count_is_lower_bound": false,
  "network": "eip155:8453",
  "note": "class is a heuristic over public on-cha…",
  "our_observation": {
    "classes": {
      "known_sweep": 8,
      "real": 1
    },
    "classification": "known_sweep",
    "first_seen": "2026-09-05T01:01:56.354Z",
    "last_seen": "2026-09-09T12:09:45.609Z",
    "payments": 9,
    "returned_after_1h": true,
    "routes_bought": 9,
    "seen": true
  },
  "payments": 811,
  "payments_per_recipient": 2.34,
  "reading_rule": "the first one to three payers of a new …",
  "reason": "346 distinct recipients on 6 distinct d…",
  "top_recipients": [
    {
      "payments": 17,
      "recipient": "0x4466d4a84b7c49a6a094ec6eef4a0712d6dd1…"
    }
  ],
  "total_usdc": 39.2905,
  "window_days": 30,
  "window_start": "2026-08-11T00:21:11.758Z"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://api.oblique.markets/api/v1/paid/payer-profile' \
  -H 'content-type: application/json' \
  --data-raw '{"address":"0xc9c7b38C0942914fC8EA12063BC92dcd3b581\u2026"}'

# 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 - -X POST 'https://api.oblique.markets/api/v1/paid/payer-profile' \
  -H 'content-type: application/json' \
  --data-raw '{"address":"0xc9c7b38C0942914fC8EA12063BC92dcd3b581\u2026"}' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode

// 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 $0.01 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.01" });
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 $0.01 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.oblique.markets%2Fapi%2Fv1%2Fpaid%2Fpayer-profile&method=POST
const res = await pay("https://api.oblique.markets/api/v1/paid/payer-profile", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "address": "0xc9c7b38C0942914fC8EA12063BC92dcd3b581\u2026"
  }),
});
console.log(res.status, await res.text());

# 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 $0.01 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.01"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.post(
        "https://api.oblique.markets/api/v1/paid/payer-profile",
        json={
            "address": "0xc9c7b38C0942914fC8EA12063BC92dcd3b581\u2026",
        },
    )
    print(res.status_code, res.text)