Can an AI agent pay per call?

Where a product answers with an x402 or MPP payment request, an agent can pay per call without a card or a person.

Our drives 1 Oct 2026 to 1 Nov 2026Every payment step, day by dayJSONMarkdown

What we found.

x402 and MPP: did the agent's payment go through? Paid: 5 of 9, Not completed: 1 of 9, Not paid yet: 3 of 9.

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15%, 28 of 193: Offer an agent payment.

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Everything on Per-call payments.

Research and data 3

  1. Agents can pay, but only next to the productSome of the 5 products that take agent payment keep the agent out of the product itself.
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  1. Can an AI agent pay with x402 or MPP?Mostly. 5 of the 9 products that offer x402 or MPP took a real payment from our agent. At fewer than 5 others, our agent paid but the seller's side never completed the payment.
  2. Can AI agents pay for software? 28 products offer a wayAn owner can sell to agents by answering an unpaid call with an MPP payment request that Stripe settles to its balance.Numbers: 193 products, 1–31 Oct 2026

Protocols and specs 2

  1. MPPA 402 payment challenge an agent pays by card or stablecoin.Fewer than 5 of 201 products we drove offer it
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  1. x402A 402 answer an agent pays in a stablecoin, request by request.9 of 201 products we drove offer it

Fix guides 2

  1. How AI agents pay for software: x402, MPP and checkoutsCard checkouts, x402 and MPP: what an agent can pay with today, and what most products ask instead.
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  1. Let AI agents pay you per call: x402 and MPPx402 or MPP on a paid endpoint, your prices where agents read them, and plans an agent can buy by API or MCP.54 of 75 products where our agent reached the card form and stopped there, of those where it got as far as paying

Products that took our agent's payment without a card form.

See whether an agent can pay you.

Free: what an agent finds on your site, any wall in its way and how many things to fix.