Unmistakably you.Everywhere.

Your agent buys through Apostra without losing what makes your brand different. The brief, the rules and your campaign history inform what comes next.

Unmistakable from brief to the world.

Your intent and rules carry from planning into the live campaign.

Every campaign adds context.

Each campaign adds its brief, decisions and reported results to your campaign history, compounding the context available to you and authorized agents for future planning.

0% of media spend.

Apostra takes no percentage of your media spend. We make money from intelligence and completed work, not by marking up your media.

Your agent

Work in Claude, ChatGPT or Apostra

Start in an app you already use, use Apostra directly or connect your own agent over MCP or API. Every route reaches the same sellers.

Choose how to connect

Start in chat, Apostra or your own agent

AI apps

Claude / ChatGPT

Apostra

App

Own agent

MCP / API

  • Claude or ChatGPTConnect Apostra in chatUse an AI app
  • ApostraA dedicated buying experienceUse ours
  • Your buying agentConnect over MCP or APIBring yours

Seller access

Send one brief to the sellers you choose

Ask one seller or several. Your agent returns every proposal and its terms in the same structure, ready to compare.

One brief

Products and proposals together

AdCP
Seller responseProductProposalTerms

Request

1 brief

Sellers

One or many

Next step

Draft buy

Your rules

You set the rules

Apostra keeps the right brand, account and rules attached as your agent works. You decide what it can do and what needs your approval.

Campaign rules

Set by you, applied by Apostra

Active advertiser

Client A

Approvals

On

  • AdvertiserClient A
  • Connected accountClient-owned
  • BudgetWithin approved limit
  • Brand rulesApplied
  • ApprovalRequired
  • Agent accessThis advertiser only

Campaign history

Compounding context

Apostra records each campaign’s brief, decisions and reported results. That history grows campaign by campaign, giving you and your authorized agents more context for what comes next.

Your campaign history

Ready for future planning

Campaign resultsWhat worked

Campaign history

Available to you and authorized agents

Ready for the next campaign

Your agent can use this history

Used in planning

Your oversight

See what your agent did—and what it suggests

See the actions your agent took, what changed and what it recommends next. Every call and change made through Apostra is recorded.

Agent activity

Actions, changes and suggestions

Live
  • Products requestedClient A · chosen sellersComplete
  • Draft media buy createdClient A · proposal attachedComplete
  • Move 10% to CTVSuggested from campaign resultsSuggested
  • Campaign reviewedClient B · approval requiredReview
  • Campaign updatedClient A · within rulesComplete

From brief to campaign.

Add the brand and brief, ask sellers, run the campaign and add its results to the campaign record.

1

Choose how to connect

Start in Claude, ChatGPT or Apostra, or connect your own agent.

Buying agent

Choose a route

Claude or ChatGPT
Apostra app
MCP or API
2

Add the brand and brief

Select the advertiser and connected account, then add the brief.

Brand identity

Advertiser attached

Campaign brief

Objective · audience · budget

Connected account

Client-owned

3

Ask sellers

Your agent sends the brief to one seller or several and returns their proposals.

One brief

Brief sent to one seller or several

Seller responses

Proposals returned for comparison

4

Review and run the campaign

A selected proposal becomes a draft media buy. Review where required, then run the campaign.

Campaign draft

Review
AdvertiserAttached
ProposalAttached
StatusDraft
5

Add the results

The campaign record includes the brief and decisions. Reported results join it as they arrive.

What the campaign taught you

Campaign results
Brand outcomes
Campaign record updated

Ready for what comes next

No cut of your media. Ever.

Connect and place buys for free. Optional intelligence is currently in beta, with pricing clear before you opt in. Enterprise support is priced with you. Whichever you choose, we take 0% of your media.

Explore pricing

Make every buy unmistakably you.

Keep your objectives, rules and campaign history connected as you compare proposals and buy across sellers. Start in Claude or ChatGPT, use Apostra directly, or connect your own agent.

Request beta access