Agent

{
  "signal": {
    "disclaimer": "signal only, not financial advice",
    "stage1": {
      "checks": {
        "altsNotFreefall": {
          "status": "pass"
        },
        "btcQuietSupport": {
          "status": "fail"
        },
        "etfInflows": {
          "status": "fail"
        },
        "noGreedChase": {
          "status": "fail"
        }
      },
      "outOf": 4,
      "score": 1
    },
    "wavetrend": {
      "bandDots": [],
      "core": [
        {
          "name": "XRP",
          "wt1": -48.65,
          "wt2": -45.1
        }
      ],
      "settings": "LazyBear 10/21/4, Kraken 4h",
      "universe": 66
    }
  },
  "status": "success"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://micro-saas-agent.onrender.com/api/agent' \
  -H 'content-type: application/json' \
  --data-raw '{}'

# 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://micro-saas-agent.onrender.com/api/agent' \
  -H 'content-type: application/json' \
  --data-raw '{}' \
  | 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 $0.02 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%2Fmicro-saas-agent.onrender.com%2Fapi%2Fagent&method=POST
const res = await pay("https://micro-saas-agent.onrender.com/api/agent", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({}),
});
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 $0.02 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.post(
        "https://micro-saas-agent.onrender.com/api/agent",
        json={},
    )
    print(res.status_code, res.text)