Key Takeaways
- Developer Center is the live API contract. Version your client against that, not a copied JSON blob from last quarter.
- HTTPS/JSON samples on PHP/C# pages are examples — not a versioned Complete SDK on NuGet or Composer.
- Isolate OTP clients from marketing automation so a campaign bump cannot ship a breaking send path.
- Rotate keys per environment. A “v2” folder that still uses the prod token is not versioning.
- You bring the Android and carrier credit. API versions do not include airtime. Platform pricing is devices plus send volume.
android sms gateway api versioning is how you survive a field rename without paging OTP. Sibling: versioning from the app angle. Live contract: Developer Center. Overview: API guide.
You bring phones and operator credit. Devices and send volume. REST examples: PHP HTTPS/JSON, C# HTTPS/JSON— not installer packages.
Client tag · not the SIM
send@1send@2otp@1
Flip the wrapper after a canary, not after a Friday deploy to everyone.
Pin the contract, not the blog
If this article and Developer Center disagree, Developer Center wins. Gateway model. Swagger-style views are maps. Swagger-style docs.
A git tag on a client that still hardcodes last year’s field is costume versioning. Canary or it did not happen.
Version table
| Layer | What to pin | Who owns bump | Failure if ignored |
|---|---|---|---|
| HTTP API | Base URL, auth, fields | Platform + your client | 400s in production OTP |
| Your module | semver / date | Your team | Mystery diffs across services |
| API keys | env, per stage | Security | Staging traffic on prod SIM |
| Android app | APK you installed | Device ops | Pairing break after update |
Your wrapper is the version
One function for send, one for status. Idempotency keys on OTP. OTP. Webhooks: webhooks, DLR.
Keys and environments
Keys in env. Demo footers do not belong on login codes.
App/APK vs API version
Updating the handset is not an API bump — but it can break pairing. Update without breaking pairing. Isolate promo. Messaging practices.
Next steps
Tag the wrapper, canary ten staff SMS, then flip. Install the app. Spend 300 lifetime SMS on that gate.
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
