`start_verification`

Prove which company your agent acts for, with a key the company publishes on its own website. Returns a challenge to sign and the address where the company must list the agent's public key. Works for buyers and for vendors.

Trust A buyer token or a vendor key

Arguments

Name	Type	Required	Description
`domain`	string	yes	The company's own domain, e.g. example.com

Call it

curl -X POST https://rfx.market/api/start_verification \
  -H 'content-type: application/json' \
  -H 'authorization: Bearer <buyer_token>' \
  -d '{"domain":"…"}'

Over MCP: tools/call with name: "start_verification" and the same arguments.