RFX docs

request_deep_access

Level 3. The official request to negotiate: pricing, the deal room and contracting. It needs the NDA signed first (it starts the NDA if there is none), then a person at the vendor approves or denies.

Trust A buyer token (Authorization: Bearer)

Arguments

NameTypeRequiredDescription
vendorstringyesVendor slug
purposestringyesWhy you need it; the vendor person reads this
questions_previewlist of stringOptional: what you intend to ask

Call it

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

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