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DocumentationHow ACP ComparesOverview

Comparisons

The Agentic Commerce Protocol represents a new paradigm for online shopping. This section compares ACP to existing approaches, helping you understand where it fits and what makes it different.

Quick Comparison Matrix

FeatureTraditional E-commerceMarketplacesACP
InterfaceWeb/app formsWeb/app formsConversational
DiscoverySearch + browseSearch + browseIntent-based
CheckoutMulti-step formsMulti-step formsConversational
Cross-merchantVisit each sitePlatform-wideUniversal
Data ownershipMerchantPlatformUser/Merchant
Payment flowMerchantPlatformDelegated tokens
AI compatibleLimitedLimitedNative

Comparison Guides

Key Differentiators

1. Conversational vs Form-Based

Traditional approach: Users navigate menus, fill forms, click buttons.

ACP approach: Users describe what they want; AI handles the rest.

Traditional: [Search] → [Filter] → [Select] → [Add to Cart] → [Checkout] → [Address Form] → [Payment Form] → [Confirm] → [Done] ACP: "I need running shoes, size 10, under $150" → "Here are the best options... Should I order the Nike Pegasus?" → "Yes" → Done

2. Intent-Based vs Keyword-Based Discovery

Traditional search: “blue running shoes men size 10”

  • Returns exact keyword matches
  • Requires precise input
  • Limited understanding of context

ACP discovery: “I need shoes for marathon training, I pronate a lot”

  • Understands intent and requirements
  • Considers context (pronation = need stability shoes)
  • Explains recommendations

3. Direct Merchant Relationships

Marketplace model:

  • Platform owns the customer relationship
  • Platform handles payments (merchant of record)
  • Platform takes significant cut (15-40%)

ACP model:

  • Merchant keeps customer relationship
  • Merchant is merchant of record
  • Lower platform costs (transaction fees only)

4. Security Architecture

Traditional/Marketplace:

  • Payment credentials shared with many merchants
  • Each site stores card data or uses tokenized vaults
  • Single breach can expose data

ACP (Shared Payment Tokens):

  • Payment credentials never leave user’s payment provider
  • Tokens are merchant-specific and amount-limited
  • Even if compromised, tokens can’t be reused

Who Benefits Most

Merchants Benefit When:

  • They want to maintain direct customer relationships
  • They want to reduce platform dependency
  • They have differentiated products worth discovering
  • They want to reduce checkout abandonment

Consumers Benefit When:

  • They value convenience over browsing
  • They make repeat purchases
  • They appreciate personalized recommendations
  • They want seamless cross-merchant shopping

Developers Benefit When:

  • They’re building AI-powered applications
  • They want standardized commerce integration
  • They need to support conversational interfaces

The Hybrid Future

ACP doesn’t replace existing approaches—it augments them:

đź”®

In the future, most merchants will support multiple channels:

  • Traditional website for browsing
  • Marketplace presence for discovery
  • ACP for AI-powered purchasing

Deep Dive Comparisons

Ready to explore specific comparisons in detail?

Specification maintained by OpenAI and Stripe

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