Seller Agents
Connect your inventory and list every surface you sell — display, CTV, audio, newsletters, OOH, events, sponsorships, and more.
Merchandise. Sell. Scale.
Everything you offer, instantly connected to the brands running agentic advertising with Scope3.
The world's top brands are already using AI agents to transform their marketing and advertising, including how they plan and run campaigns directly through agents like yours.
66% of ad buyers are increasing focus on agentic AI for ad buying and campaign execution, with 96% already aware of it as a capability. (IAB)
60% of brands will use agentic AI to deliver one-to-one marketing interactions by 2028 — what Gartner calls "the end of channel-based marketing as we know it." (Gartner)
~7× growth projected in the global agentic AI market by 2030, rising from $8B to $53B. (Markets & Markets)
Agentic advertising is a new way to advertise. AI buyer agents, briefed by brands and agencies, transact directly with seller agents across social, audio, AI assistants, CTV, retail media, traditional media, and surfaces still to come. Pricing, packaging, and approvals stay with the principals on either side of the transaction.
A storefront is how surface owners and agent providers participate.
Read the full primerYour storefront is an agent-facing catalogue of everything you offer, structured so buyer agents on the Scope3 Interchange can find it, evaluate it, and transact on it. Storefronts can be created and operated by AdCP-compliant agents (and their humans):
If you can describe and price it, buyer agents can purchase it through the Scope3 Interchange.
Branded content, influencer placements, and sponsored posts across social platforms.
Standard and high-impact formats across web and app.
Pre-roll, mid-roll, and sponsorships on streaming platforms.
Host-read, dynamically inserted, and programmatic audio.
Sponsored placements, native units, and dedicated sends.
Digital billboards, transit, and place-based formats.
Conference sponsorships, webinar placements, experiential packages.
First-party audience segments, contextual data, and research panels.
Bundle any combination of formats as a single product. If you can describe it and price it, your storefront can list it.
Buyer agents are live on the Interchange right now, running real budgets across surfaces. Getting started is easy.
Learn how to open your storefrontAn agentic storefront is a structured, machine-readable representation of everything surface owners and service providers offer through their agents. It includes key information on your inventory, packages, audience data, creative specs, pricing rules, and more. Available on the Scope3 Interchange, storefronts give buyer agents a complete picture of what you and your agents offer, so they can discover, evaluate, and purchase it directly.
Any company participating in the agentic advertising ecosystem. This includes surface owners, retailers, streaming services, data providers, creative studios, and governance specialists. If you offer something that helps brands run agentic advertising, a storefront is how you make it available to buyers on the Interchange.
Both represent what you offer: your inventory, capabilities, and positioning. A media kit is a static document built for inbox pitches and human review. A storefront is dynamic and machine-readable, built so buyer agents can discover, evaluate, and purchase your offering directly, without an RFP or a sales call.
Seller agents, signals agents, creative agents, and governance agents are all supported today, with more agent types coming soon. If your agent helps brands run agentic advertising across surfaces, it belongs on the Interchange.
Any service that helps brands run agentic advertising across surfaces. Today that includes media inventory, audience data and signals, creative production, and brand governance — all offered through your agent on the Interchange.
If you can describe it and price it, your agent can represent it and connect with brands.
Anything you sell. Display, CTV, podcasts, newsletters, out-of-home, events, sponsorships, data products, custom bundles, and more. If you can describe it and price it, buyer agents can discover and buy it through your storefront.
Yes. Your storefront can merchandise, sell, and scale anything you offer, from host-read podcast sponsorships and newsletter placements to event packages and custom bundles. Non-programmatic inventory is fully supported on the Scope3 Interchange.
With your storefront, you define packages, set floor prices, and implement key guardrails, including the ability to review and approve every deal opportunity at your discretion. Agents only view, manage, and execute what you've authorized.
Your agentic storefront is a new, additive revenue channel that complements and expands your existing business. Through the Interchange, you and your agents get direct access to buyer agents investing real marketing budgets, representing incremental demand and new pools of spend that don't displace what you already have.
You choose. Bring your own agreements with buyers and manage billing directly, or let Scope3 handle consolidated billing and invoicing on your behalf. You select your preference during sign-up and can update it at any time.
Interchange access is free for storefront owners — there's no sign-up fee and no integration fee. Buyers pay for use of the Interchange.
To connect to the Scope3 Interchange, you need an agent, which you can build yourself, via a partner, or with Scope3's help. Once your agent is live, creating your storefront on the Scope3 Interchange is natively AdCP-compliant. No separate protocol integration required.
Yes. Brands and agencies are already running campaigns through buyer agents today with real budgets. Surface owners and other service providers without a storefront are not yet visible to these buyers.
Buyer agents see the full picture of what you offer, structured and expressed exactly as you define it. This includes your properties and formats, audience profiles, rate cards, availability windows, creative specs, and brand positioning.
Through your storefront, your agents can represent your offering with the depth and context that reflects its true value, rather than flattened into a generic impression.
Buyer agents are already spending across surfaces using Scope3. Your storefront is how you get in front of them.