Split

{
  "chain": "eip155:84532",
  "hint": "Base Sepolia payment. Test USDC.",
  "input": "plan a small job into five runnable steps",
  "network": "base-sepolia",
  "pack": {
    "goal": "plan a small job into five runnable steps",
    "job": "Turn one vague wish into five small steps a bot can run.",
    "nextCall": "Run step 3 only. Do not re-plan the whole job.",
    "steps": [
      {
        "do": "Write one sentence for done.",
        "n": 1,
        "name": "Name the finish line"
      },
      {
        "do": "Tools, files, caps, time. No extras.",
        "n": 2,
        "name": "List what you already have"
      },
      {
        "do": "One action that would make the job clearer.",
        "n": 3,
        "name": "Do the smallest useful piece"
      },
      {
        "do": "If the next call costs more than the cap, stop and report.",
        "n": 4,
        "name": "Check the cap"
      },
      {
        "do": "If the finish line is met, stop. Else repeat step 3 only.",
        "n": 5,
        "name": "Stop or continue"
      }
    ],
    "stopRules": [
      "Stop if the cap would be blown.",
      "Stop if the next step needs a human.",
      "Do not invent tools you do not have."
    ],
    "title": "Task split: plan a small job into five runnable steps"
  },
  "paid": true,
  "price": "$0.01"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://splitpack.net/split' \
  -H 'content-type: application/json' \
  --data-raw '{"raw":"plan a small job into five runnable steps"}'

# 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://splitpack.net/split' \
  -H 'content-type: application/json' \
  --data-raw '{"raw":"plan a small job into five runnable steps"}' \
  | 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%2Fsplitpack.net%2Fsplit&method=POST
const res = await pay("https://splitpack.net/split", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "raw": "plan a small job into five runnable steps"
  }),
});
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://splitpack.net/split",
        json={
            "raw": "plan a small job into five runnable steps",
        },
    )
    print(res.status_code, res.text)