{"m2mVersion":1,"how_to_register":{"step_1":"POST /v1/sellers { \"id\": \"<slug>\", \"wallet\": \"0x…\", \"name\": \"Your API\" }","step_2":"POST /v1/sellers/{id}/services { serviceId, upstream_url, price_usd }","step_3":"payments flow direct to your wallet; we route, attest, and invoice 2%"},"verify_ownership":"POST /v1/sellers/{id}/verify-challenge then /verify (EIP-191)","human_friendly":"https://atlas.code402.dev/sellers/claim","protocol":"https://github.com/89rat/m2m-exchange"}