Key takeaways
- Agree the success criteria before the pilot starts.
- Run real traffic in your most important countries, in parallel where you can.
- Compare delivery, speed, failure reasons, support and cost per delivered message.
- Use the same content and sender for every provider, and enough volume to mean something.
Set the goal and the criteria
Write down what you want to learn and what counts as a pass: for example a delivery rate in your top countries, a maximum time for one-time codes, and a response time from support. Agree it with the provider so that nobody argues about the result afterwards.
Choose what to test
- The three to five countries that matter most to you
- Your real message types, for example codes and notifications
- The sender setup you would use in production, with the registrations it needs
- A volume large enough to show differences by country and by operator
Run it fairly
- Run providers side by side on the same days, since weekdays, weekends and peaks differ
- Use the same text and sender for each provider
- Split traffic randomly, not by country, unless that is the question
- Include some failure cases on purpose, such as invalid numbers
What to measure
| Metric | Why it matters |
|---|---|
| Delivery rate by country and operator | Shows weak spots that a global average hides |
| Time from send to delivered (median and slow cases) | Decides whether codes arrive in time |
| Quality of delivery reports | Decides whether you can trust and act on the data |
| Failure reasons | Separates bad numbers from route or content problems |
| Support response and clarity | You will need it on the day something breaks |
| Integration effort | Shows how much engineering time each provider takes |
| Cost per delivered message | The comparison that matters for the budget |
Mistakes to avoid
- Comparing different content or senders
- Judging from too few messages
- Testing only one easy country
- Forgetting to test support and the failure case
- Leaving the pilot with no decision date
How ZafeConnect fits
ZafeConnect states that integration can be live in as little as 2 weeks and offers 24/7 customer support. ZafeConnect reports a message delivery rate of over 98%, a reported rate and not a guarantee of delivery, which is exactly why a pilot on your own traffic is worth doing. Talk to us about a pilot for your countries.