CartAI
CartAI is an AI-driven agent and developer-first API that automates and completes transactions across any web property, enabling programmable, reliable checkouts, subscription sign-ups, invoice payments, and other payment workflows for businesses and developer teams.
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Quick Overview
Best for: AI Agents
What it does
AI Tools software for decision-makers comparing workflow fit and alternatives.
Best fit
AI Agents
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CartAI
CartAI provides a programmable transaction primitive: an AI agent plus browser execution and payment infrastructure designed specifically to ensure transactions clear on live merchant surfaces. It targets developers and teams who need reliable, repeatable checkout automation across any web property—e-commerce checkouts, custom carts, vendor portals, login-gated workflows, subscriptions, invoice payments, and procurement flows. The offering includes a Checkout API with asynchronous execution and webhooks, an open-source MCP server for agent integrations, and a drop-in Hosted Cart for embedding checkout into surfaces that never had one.
The AI agent that handles checkout. Discussion | Link
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Claim this listingKey Features
Programmable, composable workflows
Workflows assemble the steps your specific situation requires (shipping, 3DS, login, etc.) with composable step primitives, conditional branching, and idempotent, retry-safe execution.
Checkout API & Webhooks
One API to deploy agents that navigate web properties and complete transactions, with async task execution and webhooks for every state transition (STARTED, COMPLETED, FAILED).
PCI-compliant payment stack
Card intake, vaulting, and agentic protocols with PCI DSS compliant intake, tokenized card vaulting, and hosted payment sessions to keep PCI scope off your stack.
Cooperative bot-mitigation & identity
Cooperates with trust infrastructure rather than evading it — Web Bot Auth signed identity, Skyfire KYA integration, and compatibility with Cloudflare / Human / Fingerprint protections.
Multiple deployment modes
Three ways to ship: API for full control, CartAI MCP server for agent hosts (open source, Apache 2.0), and a Hosted Cart drop-in component or iframe for turnkey embedding.
Catalog, Payments, Monetization products
Complementary primitives: Catalog for product search and estimates, Payments for hosted sessions (Visa Intelligent Commerce and Mastercard Agent Pay), and Monetization for affiliate commissions and attribution.
Pricing
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Use Cases
Automate existing transactional processes
Replace manual checkout, billing, and procurement flows with reliable, programmable execution across e-commerce, subscriptions, invoices, vendor portals, and B2B procurement.
Embed transactions into new applications
Build apps where transactions are part of the experience—agents, copilots, vertical AI tools, marketplaces, and digital product flows with integrated checkout.
Enable transactions on surfaces that never had them
Add direct checkout to editorial pages, influencer platforms, content sites, recommendation feeds, and other discovery surfaces to convert intent in place.
Integrations
Visa Intelligent Commerce
Used for hosted payment sessions to keep PCI scope off your stack (Payments product).
Mastercard Agent Pay
Supported as part of hosted payment sessions and agentic payment capabilities.
Skyfire KYA
Integration for cooperative bot-mitigation and agent trust (KYA integration).
Web Bot Auth / Cloudflare / Human / Fingerprint
Works cooperatively with common bot-mitigation and fingerprinting systems to clear transactions without evasion.
MCP host integrations (Claude Desktop, Code, Cursor, VS Code)
MCP server plugs into agent hosts such as Claude Desktop, Code, Cursor, and VS Code to enable autonomous checkout by agents.
Benefits
Limitations
Frequently Asked Questions
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Getting Started
- 1 Request an API key via the site (Get API key).
- 2 Read the docs and review the Checkout API, Webhooks, and SDK examples.
- 3 Integrate: call the Checkout API with tasks (use sandbox option for testing) or deploy the CartAI MCP server or Hosted Cart depending on your needs.
- 4 Listen for webhook events (STARTED, COMPLETED, FAILED) to track task lifecycle and handle retries or post-purchase flows.
Support
docs
Read the docs linked from the site for API reference, SDKs, and examples.
contact
Contact page on the site for sales and enterprise inquiries.
github
Open-source MCP server available (Apache 2.0) with repository linked from the site.
blog
Company blog linked from the site for news and product updates.
API
Read the docs (linked from the site)
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