OpenAPI / API reference for frontend and integrators

[robertocarlous]

Acceptance criteria

• OpenAPI 3 spec for /api/* routes
• Optional Swagger UI behind auth in non-prod
• CI check that spec stays in sync (or generated from Zod)

[levoski1]

@levoski1 has applied to work on this issue as part of the Stellar Wave Program's 5th wave.

I'm interested in tackling this task. I enjoy debugging complex logic and have the exact engineering experience needed to fix the root cause of this error efficiently.

ℹ️ Repo Maintainers: To accept this application, review their application or assign @levoski1 to this issue.

[Favourof]

@Favourof has applied to work on this issue as part of the Stellar Wave Program's 5th wave.

Hi, I will love to work on this issue.

ℹ️ Repo Maintainers: To accept this application, review their application or assign @Favourof to this issue.

[drips-wave]

Congratulations, @Favourof! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on June 2, 2026.

🧑‍💻 @Favourof: Please resolve the issue such that the repo's maintainers have enough time to review your contribution before the due date. You'll earn Points for completing the issue on-time, which will make you eligible for a share of the Stellar Wave Program's reward pool.

Warning

When opening a PR, please link it to this issue to ensure it gets tracked accurately. Points are awarded when this issue is marked as completed by the maintainer.

🤠 Repo maintainers: Please keep an eye on the contributor's progress and review their work before the due date. You can manage this issue, including adjusting its complexity and points, here.

🌊 Happy Wave 🌊