Add API performance metrics collection for slow requests

[nanaf6203-bit]

Collect API request duration metrics and flag slow requests.

Acceptance Criteria:

• Request timing is recorded for API calls.
• Slow requests above threshold are flagged.
• Metrics are available for monitoring or logs.
• Tests validate timing collection integration.

[jaynomyaro]

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

Hi! I’m a full-stack developer with a strong blockchain background. I’d love to handle this issue and can deliver a clean, reliable solution. Kindly assign it to me.

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

[Deeeelighttt]

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

Hi, I’m a software engineer with experience working on similar features, and I’m interested in contributing to this project. I’ve reviewed the issue and have a good understanding of what’s required to implement the proposed solution.

I’d be happy to take this on and submit a pull request. Could you please assign this issue to me?

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

[drips-wave]

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

🧑‍💻 @Deeeelighttt: 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

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