[BACKEND] Postman/Insomnia Collection Export

[Sadeequ]

Goal: Give developers a "Playground" to test the API.

Task: Create and export a JSON collection of all 15+ current endpoints.

Desc: Include example environments for "Local" and "Staging."

[uche102]

@uche102 has applied to work on this issue as part of the Stellar Wave Program's 3rd wave.

i would love to work on this

ℹ️ Repo Maintainers: To accept this application, review their application or assign @uche102 to this issue.

[drips-wave]

Congratulations, @uche102! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on March 30, 2026.

🧑‍💻 @uche102: 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 🌊