Search results

Order-webhook payload: openapi defines a flat order body, but the official sample posts an {event_type, checkout_id, order} envelope — which is canonical?

Status: Open.

#570 In Universal-Commerce-Protocol/ucp;

· vishkaty opened on Jul 7, 2026

ap2_mandate requires ES512, but signatures.md's algorithm table only defines ES256/ES384 — should ES512 be added?

Status: Open.

#571 In Universal-Commerce-Protocol/ucp;

· vishkaty opened on Jul 7, 2026

signatures.md: example Signature values are ASN.1/DER, but the spec requires raw r||s encoding

Status: Open.

#569 In Universal-Commerce-Protocol/ucp;

· vishkaty opened on Jul 7, 2026

fulfillment.md documents groups[].options[].total (Required, nullable) but the schema has no total — it requires a totals array whose amounts cannot be null

Status: Open.

#559 In Universal-Commerce-Protocol/ucp;

· vishkaty opened on Jul 3, 2026

[Proposal]: Consolidate Amount Representations

payments

Status: Open.

#557 In Universal-Commerce-Protocol/ucp;

· kmcduffie opened on Jul 1, 2026

[Feat]: A Bulk Product Discovery Layer for UCP

Status: Open.

#550 In Universal-Commerce-Protocol/ucp;

· vink28 opened on Jun 25, 2026

[Proposal]: Post-Purchase Returns, Exchanges, and Claims Capability (dev.ucp.returns)

payments

Status: Open.

#544 In Universal-Commerce-Protocol/ucp;

· okoren-g opened on Jun 24, 2026

[DTC Charter]: Lodging

Status: Open.

#543 In Universal-Commerce-Protocol/ucp;

· wishy-arora opened on Jun 24, 2026

[Proposal]: Partner Sourced Fulfillment

Status: Open.

#532 In Universal-Commerce-Protocol/ucp;

· ranaj-google opened on Jun 19, 2026

[Proposal]: Delivery Instruction

Status: Open.

#531 In Universal-Commerce-Protocol/ucp;

· ranaj-google opened on Jun 19, 2026

key ordering for UCP map registries

TC reviewReady for TC reviewReady for TC review

Status: Open.

#525 In Universal-Commerce-Protocol/ucp;

· igrigorik opened on Jun 17, 2026

[RFC] Proposal: Repository Refactoring for Multi-Vertical Support

TC reviewReady for TC reviewReady for TC review

Status: Open.

#520 In Universal-Commerce-Protocol/ucp;

· jingyli opened on Jun 16, 2026

·  

Working Draft