Key Takeaways
- A weekly ops checklist for the API lane catches key drift, webhook failures, and offline phones before Monday OTP spikes.
- Accept ≠ delivered — review DLR anomalies every week.
- Free is 1 device / 300 SMS lifetime; watch allowance burn on canaries.
- Rotate keys on staff change; verify webhook signatures still pass.
- Devices + volume pricing; BYO Android and operator credit.
Weekly API ops
A weekly ops checklist for the API keeps Android SMS gateway integrations honest: keys still valid, webhooks still verifying, phones still online. Hub overview: Android SMS Gateway API.
“If nobody owns Friday’s DLR review, Monday’s OTP outage will look like an API mystery.”
Cadence
Mon
Tue
Wed
Thu
Fri
Checklist matrix
| Check | Pass | Fail action |
|---|---|---|
| Device last-seen | Online within SLA | Wake phone / spare |
| Webhook error rate | Near zero signature fails | Fix raw-body verify |
| Pending age | Within expected radio window | SIM/RF triage |
| Key inventory | No orphan ex-staff keys | Rotate |
| Volume vs plan | Under allowance | Upgrade before pause |
Keys and webhooks
Confirm env secrets match active keys. Webhooks. Live fields: Developer Center.
Devices
Battery exemptions, reboot test, airtime buffer. Setup.
Volume and Free caps
Free: 1 device / 300 SMS lifetime. Sends pause when exhausted. Pricing: pricing.
Next steps
Related product pages
Jump to the live product docs for this topic—not another long-form article.
- SMS API documentationLive endpoint reference
- device and SMS volume pricingPlans and allowances
- Android SMS gateway product guideDefinition, product, and how to buy
- download the Android gateway appGet the APK




