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SRC-b6abaf5014eb2aef · Source record

Agentic Commerce Protocol — Changelog

ACP / OpenAI and Stripe · 2 connected claims

D01 · Marketing, Brand & Revenue SystemsD02 · Customer Intelligence, Sales & Service

Canonical route

https://www.agenticcommerce.dev/docs/changelog

Claims connected to this source

  1. MWITA-MR-2026-001UCP, ACP and Visa TAP expose complementary but overlapping layers: business capability discovery, programmatic checkout/delegated credentials, and agent/consumer/payment signatures. Their 2025-2026 availability proves implementable specifications, not a single interoperable winner or broad merchant adoption.Evidence B
  2. MWITA-MR-2026-002ACP deprecated its initial API version and UCP published multiple 2026 releases including structural and security changes. Version discovery, capability negotiation and regression suites are therefore operational requirements, not documentation niceties.Evidence B

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