Glossary
RFx
RFx is an umbrella term for the family of formal procurement request documents a buyer can issue, where the x is a placeholder for the specific type: request for information (RFI), request for proposal (RFP), request for quote (RFQ), and related variants. Teams use RFx as shorthand for any structured solicitation.
In practice
Procurement teams often run RFx documents in sequence. An RFI surveys the market, an RFP collects detailed proposals from shortlisted vendors, and an RFQ locks in pricing once scope is settled. Not every purchase uses every stage. Simple, well-specified buys may go straight to an RFQ, while complex purchases may gather pricing inside the RFP itself.
Beyond the big three, some industries use additional variants, such as a request for tender (RFT) in public sector and construction procurement, or a request for bid (RFB) where sealed, price-focused bids are required. The mechanics differ, but all are structured, buyer-issued requests with a deadline and a defined evaluation process.
On the selling side, RFx describes a workload. The same response team frequently handles RFIs, RFPs, RFQs, due diligence questionnaires, and security questionnaires, drawing on a shared library of approved answers.
Keep reading
Related terms
For how teams manage the full RFx workload, see the RocketDocs RFP response solution.
FAQ
Frequently asked questions
What does the x in RFx stand for?
The x is a variable, not an abbreviation. It stands in for whichever request type is meant, such as information, proposal, or quote. Writing RFx lets teams refer to the whole category of procurement requests without listing every format.
What are the most common RFx types?
The three core types are the RFI for early market research, the RFP for detailed proposals against defined requirements, and the RFQ for pricing on a fixed specification. Variants such as the RFT and RFB appear in tendering-heavy sectors like government and construction.
What is RFx software?
RFx software manages these documents at scale. Buyer-side tools help issue, distribute, and score solicitations, while response management platforms help vendor teams track deadlines, reuse approved content, and route questions to subject matter experts across RFIs, RFPs, RFQs, and questionnaires.
From definition to response
See how RocketDocs turns these concepts into a working response process: approved content, private AI drafting, and audit trails your compliance team can trust.