PaySpawn gives OpenClaw agents a credential instead of a raw private key. Spending limits, whitelists, and a kill switch — all enforced by a smart contract on Base. Math, not code.
Install the SDK:
npm install @payspawn/sdk
Set your credential as an environment variable:
PAYSPAWN_CREDENTIAL=your_credential_from_dashboard
Get your credential at payspawn.ai/dashboard — connect wallet, set limits, copy the credential string. No private key needed.
import { PaySpawn } from "@payspawn/sdk";
const ps = new PaySpawn(process.env.PAYSPAWN_CREDENTIAL);
// Pay an x402 API automatically
const res = await ps.fetch("https://api.example.com/data");
const data = await res.json();
// Direct USDC payment
await ps.pay("recipient-wallet-address", 1.00);
// Check remaining balance
const { balance, remaining } = await ps.check();
// Kill switch — stops all spending instantly
await ps.agent.pause();
Daily cap — max USDC the agent can spend per day
Per-tx limit — max per single payment
Address whitelist — only allowed counterparties can receive payments
Velocity limit — max transactions per hour
Kill switch — pause all spending with one call
ps.fetch() handles HTTP 402 payment flows automatically. Agent calls a paid API, PaySpawn pays within the credential limits, returns the result:
// Works with any x402-compatible API
const result = await ps.fetch("https://paid-api.example.com/endpoint", {
method: "POST",
body: JSON.stringify({ task: "do something" })
});
Provision multiple agents from one shared budget pool:
// Create a pool for multiple agents
const pool = await ps.pool.create({ totalBudget: 100, agentDailyLimit: 10 });
// Provision 10 agent credentials in one call
const fleet = await ps.fleet.provision({ poolAddress: pool.address, count: 10 });
One pool. One API call. Each agent gets its own credential with its own daily limit. All draw from the shared pool budget.
Agents with raw wallet keys have unlimited access. One bad prompt or leaked env file and the wallet is drained. PaySpawn credentials are scoped and revocable:
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