Key Takeaways
- A self-storage waitlist is renters who opted into that site and unit size — not everyone who ever searched a ZIP.
- Unit-open SMS is a second list. Do not reuse the “follow this facility” blast.
- Free is 1 device, 300 SMS lifetime, and 300 contacts. Developer is 25,000 SMS per year. Platform price is devices plus send volume.
- Renter login OTP stays off the site SIM.
- Idempotency is unit-id plus renter-id — operators reopen the same cage.
Summary
Scenario 851 is marketplace contact lists for self-storage unit waitlists — not garage stalls, not pet adoption, not booking slots, not vehicle PPI. A 10×10 climate unit frees. Only renters who opted into that site and size should hear “unit open.” Service pricing is devices plus SMS send volume. You bring the phones and operator credit. Free is 1 device, 300 SMS lifetime, and 300 contacts.
Starter allows 2 devices: site dual-SIM plus a spare. Uncapped platform volume is not unlimited carrier SMS. Confirm list APIs in Developer Center.
site · size · climate
unit-id + renter-id — not the ZIP
A unit list is not a ZIP dump
Opt-in is site plus size plus climate. “75201” is not a list. If a drive-up 10×20 frees, do not page everyone who once wanted a locker.
If you reuse last month’s locker list for a new climate unit, you will text people who never followed this site. Rebuild from live opt-in. Persist unit-id plus renter-id so a reopen does not double-page.
Storage list matrix
| List | Who | Failure |
|---|---|---|
| Follow site | Site opt-in | ZIP-wide dump |
| Unit open | Followers + size | Follow list reused for all sizes |
| Leased | Winner only | All waiters “you got it” |
| Renter OTP | Auth pool | OTP on the site radio |
Unit open and leased
Signed webhooks when a unit frees. Webhooks, DLR. MCP wraps REST only.
Climate / drive-up and STOP
Climate units stay off outdoor lists. Honor STOP. SSA is industry practice — not a reason to blast the ZIP tree.
Devices, volume, and airtime
A sloppy ZIP dump burns volume and trust. We meter devices and platform sends. Free (1/300/300) is one site proof.
Site operations
Charge the site chassis before the morning turn. Setup, Downloads, pricing.
Decision guide
Ship when lists are site-and-size. Delay if you blast the ZIP. Not a CodeCanyon storage pack.
Storage checklist
- unit-id + renter-id idempotency.
- No ZIP dump.
- Open list ≠ follow list.
- Leased to winner only.
- Developer Center fields confirmed.
Next steps
Scenario 791 garage, scenario 671 booking.
Related product pages
Jump to the live product docs for this topic—not another long-form article.
- contacts, lists, and segmentsAudience hygiene
- bulk SMS from Excel and CSVSpreadsheet campaigns
- bulk SMS with consent best practicesHigh-volume outreach
- SMS API documentationLive endpoint reference
