Gridparams
by Stelar Digital in Markets & finance
Grid-trading parameter recommendation for a crypto pair and capital amount — grid count, spacing percent, price band, and per-grid USD allocation, derived from live 24h market structure using the same spacing bounds as a production grid engine. For agents configuring, sizing, or backtesting a grid bot before deployment.
https://api.stelardigital.com/gridparams- Price
- $0.05
- per call in USDC
- Uptime
- 100%
- last 30 days
- Response time
- 601 ms
- 693 ms slowest 5%
- Last check
- Passed
- 51 min ago, next any minute now
Reliability
How to call it
GET https://api.stelardigital.com/gridparams
Each call costs $0.05 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://api.stelardigital.com/gridparams?asset=SOL&capital=1000Parameters
| Parameter | Type | Required | Description |
|---|---|---|---|
asset | string | Yes | Asset symbol, e.g. SOL One of: ADA, BTC, DOGE, ETH, LTC, SOL, XLM, XRP. |
capital | number | No | Capital to allocate in USD |
Example response
The provider's example. We can't check it without paying.
{
"as_of": 1720400000,
"asset": "SOL",
"day_range_pct": 4.8,
"last_price": 172.4,
"recommendation": {
"band_high": 178.9,
"band_low": 165.1,
"buy_side_bias": "contrarian — grids buy weakness, sell strength",
"grids": 32,
"per_grid_usd": 31.25,
"spacing_pct": 0.5
},
"symbol": "SOLUSDT"
}Call it from code
The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.05.
curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://api.stelardigital.com/gridparams?asset=SOL&capital=1000'
# 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.stelardigital.com/gridparams?asset=SOL&capital=1000' \
| 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 $0.05 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.05" });
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 $0.05 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.stelardigital.com%2Fgridparams
const res = await pay("https://api.stelardigital.com/gridparams?asset=SOL&capital=1000");
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 $0.05 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.05"})
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.stelardigital.com/gridparams?asset=SOL&capital=1000")
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 |
|---|---|---|---|---|
| 51 min ago | Passed | 402 | 601 ms | $0.05 |
| 5 h ago | Passed | 402 | 578 ms | $0.05 |
| 9 h ago | Passed | 402 | 693 ms | $0.05 |
| 13 h ago | Passed | 402 | 1.7 s | $0.05 |