Extension by SegmentStream

Marginal Analytics

Where the next dollar earns the most. Response curves per channel show marginal return at every spend level and the mix that maximises it.

Start a pilot Join the waitlist

What it adds to your workspace

Diminishing-returns curves per channel and campaign
Marginal ROAS at every spend level
The budget mix that maximises return, with reallocation steps

Works with

Cross-Channel Attribution

Install

$ segmentstream add marginal-analytics

▸ files added to your workspace repo

▸ deploy to start

Or ask your agent

“Add marginal analytics and suggest next month's budget mix.”

Pricing

Included during early access. Runs on platform usage.

Part of these solutions

Marketing analytics

Attribution and budget optimization on first-party data

More extensions

Identity Graph

One person across devices, logins and CRM, matched deterministically.

Extension

Cross-Channel Attribution

Attribution that cross-validates, reported at click time.

Extension

Predictive Attribution

Projected ROAS within days, for conversions still on their way.

Extension

Browse the marketplace →

Enterprise pilot

Want Marginal Analytics set up for you?

Our forward-deployed engineers build one solution on your data, in your own workspace, as code you own. Tell us what you run today and what you want; your note goes straight to our founder.

One solution, on your data, in your own workspace
First version live in two weeks
Parity proven before anything is switched off
Fixed scope and price, credited to your contract if you continue

Not ready for a pilot? Send the form anyway with your question. An engineer will reply, not a sales rep.

How the pilot works

Your company’s context, ready for every agent.

$ segmentstream workspace create acme --region eu

▸ workspace ready · data, objects, metrics and access rules in one place

▸ connect Claude, ChatGPT or Cursor with one connector

▸ tell your agent: “add our billing API as a source”

Start a pilot

Our engineers build the first version on your data in two weeks, at a fixed price.

Or join the waitlist for self-serve:

Pilots are open now. Self-serve opens to the waitlist this fall.