Missouri Request For Services (RFS) is a web-based system used by state agencies and other organizations to solicit services from the private sector. It is the vehicle for the acquisition of goods and services over $4,000 by state government. RFS is used to solicit bids on contracts for commodities, construction, professional services, and technology services. There are two main types of Missouri Request For Services: 1. Invitation for Bid (IF): This type of RFS is used to solicit bids on contracts for commodities, construction, and professional services. 2. Request for Proposal (RFP): This type of RFS is used to solicit bids on contracts for technology services.