4 min read
What to test
- Delivery: does the code arrive, and how fast, in each launch country?
- Format: is the number accepted with and without the leading 0?
- Sender: does the sender name or short code show correctly?
- Limits: what happens after too many resend attempts?
- Templates: language, length and the code format in each market
Using real mobile numbers
Emulators and test numbers from your SMS provider check your code, not the real carrier path. A real mobile number in the target country shows what your users actually get, including carrier filtering.
Automating it
The CoveSMS API lets a test script request a number for a service and country, read the code as JSON (or receive it by webhook) and release the number. If no SMS arrives, the charge goes back to your balance automatically, so failed runs cost nothing. See the API docs for the endpoints.
Keep it clean
Use test accounts on your own service only, and release numbers when the run ends.