# Supply-side platform (SSP)

Software that helps publishers offer ad inventory to buyers and manage selling rules.

Software that helps publishers offer ad inventory to buyers and manage selling rules.

## An example

A publisher uses an SSP to apply a price floor and exclude unsuitable categories.

## Why it matters

Understand fees and auction rules before comparing gross bids with the publisher's net revenue.


## Related terms
- [Demand-side platform (DSP)](https://jolts.xyz/resources/glossary/demand-side-platform)
- [Inventory](https://jolts.xyz/resources/glossary/inventory)
- [Programmatic media buying](https://jolts.xyz/resources/glossary/programmatic-media-buying)

## Next step

[Explore advertising](https://jolts.xyz/advertisers) or [monetize your AI app](https://jolts.xyz/publishers).