Alkimi Marketplace - 2026 Pricing, Features, Reviews & Alternatives

Alkimi Marketplace is a cloud-based, web-based neutral agentic marketplace for programmatic advertising, designed for advertisers, publishers, and enterprise AI teams operating at scale. Buy-side and sell-side AI agents negotiate CPM, volume, format, and delivery terms directly and continuously, closing deals in minutes rather than weeks. Every concluded deal is captured in a DealSheet — a shared, immutable record co-owned by both parties — and stops at a mandatory human approval gate before terms are finalized. On-chain infrastructure built on the Sui blockchain ecosystem verifies every impression at auction, blocking spoofed domains before buyer exposure and producing a single shared ledger that eliminates post-campaign reconciliation disputes.

Alkimi Marketplace operates as a complement to existing DSPs rather than a replacement, making it compatible with established buy-side workflows. Buyers define campaign parameters through a mandate system that sets validated bounds — budget, flight, format, and CPM ceiling — within which agents execute but cannot deviate. An orchestrator agent matches buyers with qualifying sellers without exposing ceiling or floor parameters across negotiating parties. Inventory quality is assessed through a confidence score computed from domain signals, ads.txt, and delivery history. The platform fee is displayed per deal in the dashboard before signing, replacing opaque or bundled fee structures. Rules-based discrepancy resolution applies tolerance bands automatically, with outcomes visible to both parties in real time. Integrations span major ad platforms and AI tooling, including AdButler, Campaign Manager, Google Ad Manager, Google Display and Video 360, ChatGPT, Claude, Gemini, Ollama, and Slack, with compatibility aligned to the IAB Tech Lab AAMP framework and Agent Registry.

Enterprise AI teams can configure agent autonomy levels per campaign and retain human sign-off rights at the deal level regardless of autonomy settings. Alkimi Marketplace includes two additional environments: Gym, a sandbox where buyers and sellers build and test agents against counterparty agents before live deployment, and Concourse, a live benchmarking product that compares AI media-buying agent models on cost, speed, and delivery completion. The platform supports a bring-your-own-agent model, accommodating frontier models alongside native agents. Target industries include digital advertising, programmatic media buying and selling, and ad technology.