Can an agent pay Clawtar demo (clawtar.cashutools.dev) with Cashu?
YESLive NUT-24 demo. Unpaid POST /v1/clawtar/ask with a question returned HTTP 402 plus an X-Cashu creqA header: 42 sat, unit sat, accepted mints minibits.cash/Bitcoin, mint.103100.xyz, mint.coinos.io, mint.mountainlake.io (decoded from the header). Nothing paid.
The one live NUT-24 endpoint we confirmed. Our free, unpaid probe got HTTP 402 with an X-Cashu payment request (42 sat). The quote below only says it is a demo; the 402 is what we saw live.
Proof
“Clawtar is an agent-first demo for Cashu 402 payments, allowing agents to learn autonomous payments and briefly glimpse the meaning of life.”
source: github.com/robwoodgate/clawtar
Details
- Verdict
- Yes: the source states it and, where a live endpoint exists, our free unpaid probe agrees.
- Category
- API or middleware that takes Cashu (NUT-24)
- Rails
- cashu, x-cashu, nut-24
- Free probe
- POST https://clawtar.cashutools.dev/v1/clawtar/ask returned HTTP 402; X-Cashu payment request for 42 sat; accepted mints: mint.minibits.cash, mint.103100.xyz, mint.coinos.io, mint.mountainlake.io. Probed 2026-10-18. Nothing was paid, minted or melted.
- Last checked
- 2026-10-18