Twitter just announced via blog post that it has launched an advertising API, which will allow brands to run ad campaigns through the company’s API partners, rather than having to buy them through Twitter itself, TechCrunch reports.

The initial five partners for the program are Adobe, Hootsuite, Salesforce, SHIFT, and TBG Digital. Twitter says it has been testing the API with them since January.

“What this means is that as marketers, you’ll soon have the ability to work with our initial set of Ads API partners to manage Twitter Ad campaigns — and integrate them into your existing cross-channel advertising strategies. Equally important, users will continue to see the most relevant Promoted Tweets from advertisers. With the Ads API, marketers now have more tools in their arsenal to help them deliver the right message, to the right audience, on the desktop and on mobile devices — all at scale,” Twitter said.