Summarize

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://api.zkrobotics.fr/x402/summarize?text=Remote+work+has+become+widespread+since+2020+in+many+companies.+Several+studies+show+that+it+improves+employee+satisfaction+and+cuts+commuting+time%2C+but+it+makes+team+cohesion+and+the+onboarding+of+newcomers+harder.+Many+companies+now+choose+a+hybrid+model%2C+with+two+or+three+days+a+week+in+the+office+and+the+rest+at+home.'

# 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.zkrobotics.fr/x402/summarize?text=Remote+work+has+become+widespread+since+2020+in+many+companies.+Several+studies+show+that+it+improves+employee+satisfaction+and+cuts+commuting+time%2C+but+it+makes+team+cohesion+and+the+onboarding+of+newcomers+harder.+Many+companies+now+choose+a+hybrid+model%2C+with+two+or+three+days+a+week+in+the+office+and+the+rest+at+home.' \
  | 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 $0.0055 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.0055" });
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 $0.0055 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.zkrobotics.fr%2Fx402%2Fsummarize
const res = await pay("https://api.zkrobotics.fr/x402/summarize?text=Remote+work+has+become+widespread+since+2020+in+many+companies.+Several+studies+show+that+it+improves+employee+satisfaction+and+cuts+commuting+time%2C+but+it+makes+team+cohesion+and+the+onboarding+of+newcomers+harder.+Many+companies+now+choose+a+hybrid+model%2C+with+two+or+three+days+a+week+in+the+office+and+the+rest+at+home.");
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 $0.0055 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.0055"})
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.zkrobotics.fr/x402/summarize?text=Remote+work+has+become+widespread+since+2020+in+many+companies.+Several+studies+show+that+it+improves+employee+satisfaction+and+cuts+commuting+time%2C+but+it+makes+team+cohesion+and+the+onboarding+of+newcomers+harder.+Many+companies+now+choose+a+hybrid+model%2C+with+two+or+three+days+a+week+in+the+office+and+the+rest+at+home.")
    print(res.status_code, res.text)