x402-foundation/x402

Go: `ExtractDiscoveryInfoV1` should preserve outputSchema.input.pathParams

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#2,507 opened on May 29, 2026

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gogood first issue

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Description

ExtractDiscoveryInfoV1 currently normalizes v1 outputSchema.input fields such as query params, body fields, and headers, but does not read pathParams. This causes v1 dynamic route metadata to be dropped when converting to extensions.bazaar.info. We should preserve pathParams for both QueryInput and BodyInput.

Contributor guide

Research direction
Look at the ExtractDiscoveryInfoV1 function in the Go codebase, specifically how it handles outputSchema.input fields. Add logic to preserve pathParams for both QueryInput and BodyInput, similar to how query params, body fields, and headers are already preserved.
Tech stack
go
Domain
backendapi
Issue type
Bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
Go
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
65