Can an agent pay with testmpp (MPP test endpoint)?

YES

servicemppstablecoin

Public test endpoint for the Machine Payments Protocol. Free /echo; /pay/echo is on Tempo mainnet and, per the page, settles a real $0.01 USDC.e. Live unpaid probe of /pay/echo answered HTTP 402 with an MPP challenge ($0.01). Nothing was paid.

Visit testmpp.com ↗← Back to the full list

Proof

“The public test endpoint for MPP — the Machine Payments Protocol. Send an agent payment, get an echo back.”

source: testmpp.com/

Details

Verdict: Yes: there is a documented way for an agent to pay with no human per payment.
Kind: service
Rails: mpp, stablecoin
Last checked: 2026-10-18

Can an agent pay with testmpp (MPP test endpoint)?

Proof

Details

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