[Prime Documentation Handoff] <Short Description of Change>

[cassieemb]

Ticket & PR References

• Internal Ticket: references https://github.com/signalwire/cloud-product/issues/17328
• API PR: references Add Short Code Endpoints #780

---

Background

Summary of Change:
These endpoints have existed in production for some time, but they were never documented. This change introduces the documentation.

Deployment Timing:
These changes are live in all environments.

Breaking Change:
This is not a breaking change.

---

Handoff Checklist

• API changes have been reviewed and approved by the Prime team.
• TypeSpec/documentation builds successfully.
• Preview looks correct and matches expectations.

Additional context (if any of the above items are unchecked)

---

Next Steps

• Prime will monitor this ticket for any follow-up questions or issues.
• DevEx can proceed with documentation adjustments, merging, and publishing when ready.