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OTP launch Checklist for API

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OTP launch Checklist for API. Printable-style OTP launch checklist mapped to android sms gateway api. Each item includes why it matters and a verification step. Priced by devices and SMS send volume; BYO phone and operator credit.

Written by the SMS Gateway team for operators who run phones and airtime themselves — not for theoretical cloud SMS demos.

PracticalAndroid SMS GatewayChecklistHub C
Article
Published
January 18, 2026
Updated
February 4, 2026
Reading time
16 minute read

Key Takeaways

  • An OTP launch checklist for the API is a go/no-go gate list: pairing, airtime, isolated OTP devices, canary, DLR, rollback — not marketing copy.
  • Dashboard green on Wi-Fi is not proof the radio can send. Canary staff numbers first.
  • Isolate OTP from marketing before cutover.
  • Spare charged handsets and named on-call beat brochure SLAs.
  • Developer Center owns live API fields. This page is readiness ownership.
  • You bring the Android and operator SMS credit. We meter devices and send volume.

Gates before customer OTP

OTP launch checklist for API is the go/no-go list before login codes hit real users on an Android SMS gateway. Product: OTP verification. API hub: Android SMS Gateway API. Sibling: gateway-server checklist.

Shipping the send endpoint is not launching OTP. Launching OTP is surviving Monday morning with airtime left.
Four API launch gates lighting in sequencePAIRAIRAPIGO
Skip a gate and customer OTP becomes your pager.

Launch gate matrix

GateOwnerPass when
Pairing + batteryOpsDevice online; OEM exclusions set
AirtimeOpsFunded SIM; top-up owner named
API authEngKeys in env; least privilege
Idempotency + cooldownEngDouble-click cannot double-send
Staff canaryEng + OpsCode received; verify hash path works
RollbackLeadFlag to disable send without killing login UX

API and DLR readiness

Confirm live fields in Developer Center. Wire DLR and webhooks. Never log OTP plaintext.

Radio readiness

Spare charged handset on the OTP pool. Setup: device setup. Multi-device: dual SIM routing.

Cost

You bring the Android and operator SMS credit. Canaries and failed retries still meter volume. Free: 1 device / 300 SMS lifetime / 300 contacts. See device and SMS volume pricing.

Go / no-go

  • OTP devices isolated from marketing.
  • Keys in env; rotated test keys removed.
  • Staff canary passed today.
  • DLR path verified.
  • On-call named.
  • Rollback documented.
  • Airtime includes launch week retries.
  • No Unlimited SMS launch titles.

Next steps

Channel choice gate: WhatsApp vs SMS launch checklist. Downloads: Android gateway app.

Related product pages

Jump to the live product docs for this topic—not another long-form article.

FAQ

Frequently asked questions

Direct answers about android sms gateway api checklist.

Does an API OTP launch include carrier credit?

No. You bring a working Android phone and operator SMS credit. Service pricing is devices plus SMS send volume.

Where do I confirm live send/DLR fields?

Developer Center. This checklist is ownership gates, not an OpenAPI mirror.

Should OTP and marketing share the launch pool?

No. Isolate OTP so a promo burst cannot starve authentication on day one.
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