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Phone as Gateway: How to version your integrations

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Phone as Gateway: How to version your integrations. Actionable guide on how to version your integrations in context of android phone as sms gateway. Include prerequisites, steps, limits, and internal links. 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.

InformationAndroid SMS GatewayHow-ToHub B
Article
Published
December 14, 2025
Updated
January 19, 2026
Reading time
16 minute read

Key Takeaways

  • Version your integration contract (payloads, auth, webhooks) independently of the Android APK.
  • Do not ship a mobile update that breaks pairing and call it “API v2.”
  • Idempotency keys and webhook signatures are part of the version — treat them as stable or bump.
  • Link the phone-as-gateway hub; pin live fields to Developer Center.
  • Platform pricing stays devices + send volume regardless of how many adapter versions you run.

Version the contract, not the phone

On a phone-as-gateway architecture, “version your integrations” usually means stop copy-pasting curl into five services. The phone is a modem. What bit-rots is the contract with the control plane: auth, JSON body, webhooks, and timeout behavior.

Hub cornerstone: Android phone as SMS gateway. Live fields: Developer Center. Pricing is devices plus SMS volume; BYO Android and operator credit. Free is 300 SMS lifetime. Samples on /codebase-php and /codebase-csharp are REST examples — pin a git tag of your wrapper.

Maturity steps

  1. v0

    Scattered curls

  2. v1

    One adapter

  3. v2

    Signed webhooks

  4. v3

    Idempotent OTP

Compatibility matrix

“If OTP and billing alerts share an unversioned helper, the next small payload tweak ships as an outage with a commit message that says refactor.”

What you version vs what you leave stable
LayerVersion?Why
HTTP adapter to POST /messagesYesContract other services import
Webhook handlerYesOld consumers during rollout
OTP records in your DBMigrate carefullyProduct state, not transport
Android APKCanary, not API semverRadio client; retest pairing
Operator airtime / SIMNoStill your bill
Plan SKUNoDevices + volume independent of adapter vN

Webhook event versions

Webhooks deliver DLR and inbound. Verify signatures. Persist event ids. New shapes: additive fields or a second endpoint until every consumer moves.

Keys and pairing

Rotate API keys on staff change. A new integration version should not force re-pairing every phone — that is the wrong layer. Pairing flow: setup.

Rollout without a silent outage

Feature-flag the adapter. Canary OTP on staff numbers. Watch failed webhook rates before 100% cutover. Never run two conflicting retry loops against the same verification row.

APK vs API version

APK updates fix radio behavior and OEM quirks. They are not a substitute for adapter semver. After each APK, canary send + DLR on one device before fleet-wide update.

Breaking changes

Required new fields, changed error codes, auth scheme changes, and webhook envelope renames are breaking. Renaming an internal helper is not. Document migrations in your changelog; do not dress a client bump as a carrier-airtime giveaway.

Changelog habits

One adapter package (or module) with a VERSION file. Link Developer Center for live fields. Note that platform meters stay devices + volume — adapter v3 does not unlock free carrier airtime.

Next steps

Return to hub overview, pricing, API docs.

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 phone as sms gateway how to version your integrations.

Does SMS Gateway version REST like /v3 vs /v4?

Confirm current paths in Developer Center. Operationally, version your adapter module so tomorrow’s change does not scatter across twenty services.

Will updating the Android app break my integration version?

It should not if pairing stays intact. Test send + DLR after every APK change on a canary device.

How do I run two integration versions at once?

Two adapters, one webhook URL per consumer or an event-type switch, and a flag for which adapter OTP uses. No dual retry loops.

Is there a packaged PHP/C# SDK to version?

No. Use HTTPS/JSON samples. Version your own thin client. We do not ship a NuGet or Composer “complete SDK.”
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