YouTube has expanded access to its Creator Partnership API, allowing a select group of third-party Influencer Marketing platforms to integrate first-party audience and campaign data directly into their own tools. The company unveiled the broader rollout at the 2026 YouTube NewFronts.

What the API Offers

The Creator Partnership API, part of a rebranded suite formerly known as BrandConnect, gives approved platforms access to verified viewer data for creators enrolled in the YouTube Partner Program who have enabled data sharing. Available data includes audience demographics, geographic distribution, and interest-based signals. The API is distinct from the public YouTube Data API, which covers channels, videos, playlists, and analytics, but does not provide the same level of sponsorship-oriented audience insights or campaign workflow capabilities.

The API connects to YouTube Studio on the creator side and to Google Ads and Display & Video 360 on the advertiser side. Creator discovery within the platform uses Gemini to surface results from more than three million creators in the YouTube Partner Program. YouTube reports that creators who opted to share channel insights appeared 60% more frequently in brand search results on average.

Access and Availability

Access to the Creator Partnership API is currently invite-only. YouTube establishes integrations through direct business relationships, and there is no self-serve path for individual developers or most brands and agencies at this time. 

CreatorIQ, TRIBE, and Fabulate are among the first platforms to receive access, each incorporating the data and workflow capabilities into their existing creator marketing infrastructure.

CreatorIQ has rolled out its integration in phases. Phase 1, released November 13, introduced first-party viewer insights without requiring individual creator authentication. Phase 2, released January 22, added a structured workflow for paid partnership disclosures and, where contracts include paid media boosting, a mechanism for creators to grant permission for that boosting directly through their campaign dashboard. CreatorIQ has indicated that post-level viewership data (previously accessible only through creator authentication) will become available through its integration in a subsequent phase.

Fabulate co-founder and Chief Product and Strategy Officer Nathan Powell described the integration as addressing a structural gap in how brands have historically managed YouTube campaigns. “For years, YouTube creator campaigns have carried serious budget without the infrastructure to match,” Powell said. “Brands have been forced to stitch together audience data and reporting from multiple places. Native API integration removes that inefficiency and gives YouTube the operational backbone it deserves.”

Powell added that direct data access changes internal decision-making dynamics. “When brands can interrogate creator data directly from the source using first-party YouTube intelligence, internal conversations change. Confidence increases and budget decisions become easier to justify because the data is transparent and defensible.”

Performance Context

YouTube cited several third-party data points alongside the announcement. Advertisers who promoted creator-led videos on YouTube Shorts saw an average 30% increase in conversion lift. Separate industry data also indicates that a meaningful share of views on creator content occurs well after publication, underscoring the longer tail of engagement on the platform.

A campaign by supplement brand Thorne, run through TRIBE’s integration, found that creator-led Shorts outperformed brand ads at every stage of the funnel and delivered a 38% higher conversion rate.