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Reference FastAPI e2e server emits bazaar discovery extensions that fail the SDK's validation ('method' is a required property)

Status: Open.

#2604 In x402-foundation/x402;

· moped2110 opened on Jun 11, 2026

FastAPI payment middleware silently swallows unexpected exceptions as an empty-body 402 (no logging)

Status: Open.

#2603 In x402-foundation/x402;

· moped2110 opened on Jun 11, 2026

docs/bug: public x402.org/facilitator only supports Sepolia — mainnet requires CDP or self-hosted (with working pattern)

Status: Open.

#2591 In x402-foundation/x402;

· osr21 opened on Jun 10, 2026

Expose structured error codes from validateSIWxMessage and preserve verifier errors in verifySIWxSignature

Status: Open.

#2586 In x402-foundation/x402;

· vraspar opened on Jun 10, 2026

[Proposal] /.well-known/x402.json: origin-hosted, facilitator-independent discovery

Status: Open.

#2582 In x402-foundation/x402;

· adlonymous opened on Jun 9, 2026

Proposal: dotnet sdk support for x402

Status: Open.

#2571 In x402-foundation/x402;

· Khelechy opened on Jun 7, 2026

Feature request: Hosted x402 Endpoint Builder / Seller Dashboard

Status: Open.

#2569 In x402-foundation/x402;

· mssystem1 opened on Jun 7, 2026

batch-settlement: facilitator-reported balance can include an unconfirmed deposit, silently bricking the channel

Status: Open.

#2559 In x402-foundation/x402;

· jake-bp opened on Jun 5, 2026

Bazaar discovery: frontend search-stuck on indexed merchants + trademark-confusable auto-listing (joint report)

Status: Open.

#2557 In x402-foundation/x402;

· TKCollective opened on Jun 5, 2026

Proposal: exact scheme on Canton Network

Status: Open.

#2551 In x402-foundation/x402;

· Denend opened on Jun 4, 2026

[Extension Proposal] Self-scaling conditions: transaction-aware token-gating for x402

Status: Open.

#2539 In x402-foundation/x402;

· douglasborthwick-crypto opened on Jun 1, 2026

Proposal: payload-side PII screening as an x402 hardening primitive (with reference MCP impl)

Status: Open.

#2533 In x402-foundation/x402;

· vstantch opened on May 31, 2026