Butler/Till and iHeartMedia Run Advertising's First 'Agentic' Audio Buy
Updated: Sep 1
TL;DR: Independent agency Butler/Till and iHeartMedia have launched what they call advertising's first fully 'agentic' streaming-audio campaign — AI agents autonomously planning and executing the media buy — a concrete milestone in automation moving into new channels.
AI agents take over an audio buy
Independent agency Butler/Till and iHeartMedia have launched what they describe as advertising's first fully "agentic" streaming-audio media campaign — one in which AI agents autonomously plan and execute the buy. Announced on 20 August 2026, the partnership extends Butler/Till's earlier agentic media-buying tests into a new channel, with broadcast radio support flagged as coming soon.
"Agentic" is the key word: not AI assisting a human buyer, but AI agents doing the transaction. It's a step beyond the automated bidding of programmatic toward software that plans and acts with less human intervention.
Why audio, and why now
Audio is a logical proving ground. Streaming audio has structured inventory and clear targeting parameters, making it more tractable for autonomous systems than messier channels. Extending to broadcast radio next would push agentic buying into a traditionally manual, relationship-driven medium.
For an independent agency, being first here is a positioning play. It signals that indies can lead on applied AI rather than ceding that ground to the holding companies.
Marketing Minute's read: automation moves up the stack
Our take: the significance isn't that AI touched a media buy — automation has done that for years — but that agents are executing decisions, not just optimising bids. That moves automation up the value stack from tactics toward planning and execution.
The open question for marketers is oversight. As agents take on more of the buy, the human role shifts to setting strategy, guardrails and success criteria. The agencies that win will pair automation with strong governance, not simply remove humans fastest.
What businesses should take from it
Track where agentic AI lands first in your channels — it tends to start where inventory is structured and measurable. Those are the buys most likely to be automated soonest.
Redefine the human role around judgement, not execution. As agents handle transactions, your team's value moves to strategy, brief-setting and quality control.
Quick FAQ
What is the Butler/Till and iHeartMedia campaign?
Announced 20 August 2026, it's what the partners call advertising's first fully 'agentic' streaming-audio media campaign, where AI agents autonomously plan and execute the buy, with broadcast radio support coming soon.
How is 'agentic' different from programmatic?
Programmatic automates bidding; agentic AI has software agents actually planning and executing the buy with less human intervention — automation moving from tactics to execution.
Why start with audio?
Streaming audio has structured inventory and clear targeting, making it more tractable for autonomous systems than messier channels; broadcast radio is planned next.
The milestone here isn't AI touching a media buy — that's old news — it's agents executing the decision, not just optimising the bid. Automation is moving up the stack from tactics to planning, and the agencies that win will pair that with real governance rather than just removing humans fastest. — Daniel Nikolla, Founder of Merx Marketing
Agentic AI lands first where inventory is structured — and it shifts the human role from executing buys to setting strategy and guardrails.
Which of your media buys is structured enough to be automated first — and who sets the guardrails?
If you would like to know more about this topic, please contact us on danieln@merxmarketing.co.uk
Sources: iHeartMedia, Digiday, Barrett Media.
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Written by Daniel Nikolla, Founder of Merx Marketing Ltd and Marketing Minute
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