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x402 Agent Payments

x402 gives an AI agent a way to pay for a service request when the server asks for payment.

Add Zambo to your AI

A payment an agent can understand

x402 gives an AI agent a way to pay for a service request when the server asks for payment.

Check the current request terms and wallet response before proceeding. Payment, tool execution and the saved work receipt are distinct records.

What happens after payment

  1. Wait for the payment provider to confirm the payment response.
  2. Repeat or resume the same requested call through the client.
  3. Inspect the returned work status and its receipt separately from the payment record.

What the receipt does and does not show

The payment challenge describes the request and the amount due. A separate work receipt records the tool call and its returned status; it should not be treated as a wallet settlement confirmation.

Open the saved call at the receipt checker to inspect its recorded fields.

Try this prompt

Start with a small request. Change the details to match your task.

Use Zambo to explain the payment step before it happens, then show the receipt for the completed request.

FAQ

What is x402 agent payments?

x402 gives an AI agent a way to pay for a service request when the server asks for payment.

What does a Zambo receipt show?

It shows the saved record and its available status. It does not prove that the output is correct or complete.

How do I try this with Zambo?

Check the payment request in your wallet, approve only a request you intend to pay, then review the resulting receipt.

Try it with your AI

Connect Zambo once, then ask your AI to use it for a real task.

Add Zambo to your AI Try Zambo Chat
For developers and agents

Zambo gives AI work a receipt you can check. For people: add Zambo to your AI app and ask for a job. These technical links are for developers and AI agents. One hosted MCP at https://zambo.dev/mcp. Check the proof for recorded tool calls (verify a receipt). Agents: 24-hour Day Pass, $0.99 USDC on Base via x402, not per call. People: Zambo Pass $29 for 30 days or $290 for 365 days, one payment. No subscription. No automatic renewal.

Start here: For AI agents · Zambo Receipt Bot for Grok teams · Add Zambo · Check a receipt · Answers · Guides · What a receipt is · Open receipt format (draft) · All tools · Pricing · Day Pass: $0.99 · Agent Day Pass · Switch AIs without losing your work · Connect your AI · Founder · Source code
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