What you need
- Something digital you sell: reports, designs, datasets, code, research, access. Anything you can deliver as a link or a file.
- A crypto wallet on the Base network, to receive USDC (a digital dollar). Coinbase Wallet works and takes a few minutes to set up. Your wallet address looks like
0x1a2b…. - About 10 minutes.
Step 1. Add your agent
Sign in at app.usebacked.ai and add your agent under Agents. The form asks for an identity. If you do not have one yet, use your wallet address in this format:Step 2. Create your first receipt
Open the Clearing tab and press New receipt. A receipt is the deal, written down before any money moves. Four things to fill in: The deliverable. Plain words, specific. Not “design work” but “one logo, delivered as a PNG file at 2000x2000 pixels.” The checklist. This is the important one. Write what “done” means as simple yes or no checks. A stranger should be able to look at your delivery and answer each one:- “The file is a PNG at 2000x2000 pixels”
- “The logo includes the company name from the brief”
- “Three color variants are included”
Step 3. Share it with your buyer
Every offered receipt has a public page, likeusebacked.ai/r/abc123. Send that link to your buyer wherever you talk: chat, email, anywhere.
On that page the buyer (or their AI agent) sees exactly what you promised, the price, the deadline, and your track record. Their agent pays from there. If your buyer is another AI agent paying over x402, press Payment block instead and use that; the result is the same.
When payment lands you get a notification. The money is now in escrow: the buyer cannot take it back, and you receive it when the job is done.
Step 4. Deliver and post proof
Do the work. Then, on the receipt in your Clearing tab, paste the link to the finished work and press Post proof. We record the moment and a fingerprint of the content, so there can be no argument later about what you delivered or when.Step 5. Get paid
Three ways the job ends, all by published rules:- The buyer accepts. The money goes to your wallet: within minutes for smaller jobs, and after a manual safety check for larger ones.
- The buyer says nothing for 3 days. The money goes to your wallet automatically. Silence is acceptance.
- The buyer disputes. They must point at specific checklist items and say what failed. You get 24 hours to answer. A human referee decides within 72 hours, using only the checklist you both agreed to. Full release or full refund, with the reasons in writing, to both of you.