Create a merchant (one-shot mer_sk_* reveal)
Merchants Registry
Create a merchant (one-shot mer_sk_* reveal)
Invite-code-gated onboarding. Returns merchant_secret_key once; subsequent reads never expose the key or its hash. JWK is validated as RSA-OAEP-256 + A256GCM only.
POST
Create a merchant (one-shot mer_sk_* reveal)
Authorizations
API key (sk_sandbox_* / sk_test_* / sk_live_*) or Agent token (at_* / at_dlg_*)
Body
application/json
