# Demand-side platform (DSP)

Software that helps advertisers buy and manage advertising across available sources of inventory.

Software that helps advertisers buy and manage advertising across available sources of inventory.

## An example

A media buyer uses a DSP to set bids and campaign limits across several publishers.

## Why it matters

A DSP's reach depends on its integrations and agreements, not simply its software interface.


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

## Next step

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