⚡ CostPulse

Find the cheapest AWS region for any service. One API call, 30+ regions compared.

$0.01/query · x402 · API Key · Free tier from this page

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Integrate

import { wrapFetchWithPayment, x402Client } from "@x402/fetch";
import { ExactEvmScheme } from "@x402/evm";
import { createWalletClient, http } from "viem";
import { privateKeyToAccount } from "viem/accounts";
import { base } from "viem/chains";

const account = privateKeyToAccount(process.env.PRIVATE_KEY);
const wallet = createWalletClient({ account, chain: base, transport: http() });
const client = new x402Client().register("eip155:8453", new ExactEvmScheme({
  address: account.address,
  signTypedData: (msg) => wallet.signTypedData(msg)
}));
const fetch402 = wrapFetchWithPayment(fetch, client);
const res = await fetch402("https://costpulse.waltsoft.net/v1/cheapest?service=ec2&instance=m5.xlarge");
console.log(await res.json());

curl -H "Authorization: Bearer cp_live_YOUR_KEY" \
  "https://costpulse.waltsoft.net/v1/cheapest?service=ec2&instance=m5.xlarge"

from costpulse import CostPulse

cp = CostPulse(api_key="cp_live_YOUR_KEY")
result = cp.cheapest(service="ec2", instance="m5.xlarge")
print(f"Cheapest: {result['cheapest']['region']} at ${result['cheapest']['price_per_unit']}/hr")

# AgentCore handles x402 payment automatically.
# Point your agent at the endpoint — payment is transparent.
# No API key needed. Agent pays $0.01 USDC per query.

Endpoints

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