Dex Orderbook Pressure

{
  "data": {
    "criteria": {
      "levels": 10,
      "limit": 10,
      "maxSpreadBps": null,
      "minTotalDepthNotional": null,
      "symbol": "SOL"
    },
    "returned": 1,
    "rows": [
      {
        "askDepthNotional": 42516.72,
        "bestAsk": 82.37,
        "bestBid": 82.36,
        "bidDepthNotional": 103428.44,
        "bookTimestamp": "2026-03-25T11:59:30.000Z",
        "change24h": 0.0157,
        "confidence": "high",
        "depthImbalance": 0.4175,
        "direction": "buy_pressure",
        "fundingRate": 0.00223,
        "lastPrice": 82.36,
        "levelsUsed": 10,
        "microBiasBps": 3.62,
        "microprice": 82.3948,
        "midPrice": 82.365,
        "pressureScore": 0.3842,
        "reasons": [
          "bid depth is 2.43x the opposite side across the measured book",
          "microprice is 3.62 bps above mid",
          "spread is 1.21 bps"
        ],
        "spreadBps": 1.21,
        "symbol": "SOL",
        "totalDepthNotional": 145945.16
      }
    ],
    "timestamp": 1760000000000,
    "totalCandidates": 1,
    "venue": "dex",
    "warnings": []
  },
  "meta": {
    "freshnessMs": 30000,
    "generatedAt": "2026-03-25T12:00:00.000Z",
    "requestId": "req_example_123",
    "updatedAt": "2026-03-25T11:59:30.000Z"
  },
  "product": {
    "accepts": [
      {
        "network": "eip155:8453",
        "payTo": "0x81832eEDe3a4ad96CB3D7cA09977636D912fd3D5",
        "price": "$0.1000",
        "scheme": "exact"
      },
      {
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "2h752kAbb9z1jpdSzqMEYg9JHv6TPJ6T2BfAJMyjLFtZ",
        "price": "$0.1000",
        "scheme": "exact"
      }
    ],
    "id": "dex-orderbook-pressure",
    "method": "GET",
    "name": "Crypto Dex Order Book Pressure API",
    "networks": [
      "eip155:8453",
      "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"
    ],
    "path": "/v1/dex/orderbook-pressure",
    "price": "$0.1000"
  },
  "service": "seerium-x402-api"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://api.seerium.xyz/v1/dex/orderbook-pressure?levels=10&limit=10&symbol=BTC'

# 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://api.seerium.xyz/v1/dex/orderbook-pressure?levels=10&limit=10&symbol=BTC' \
  | 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 $0.1 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.1" });
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 $0.1 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.seerium.xyz%2Fv1%2Fdex%2Forderbook-pressure
const res = await pay("https://api.seerium.xyz/v1/dex/orderbook-pressure?levels=10&limit=10&symbol=BTC");
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 $0.1 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.1"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://api.seerium.xyz/v1/dex/orderbook-pressure?levels=10&limit=10&symbol=BTC")
    print(res.status_code, res.text)