Blog
Notes on verification infrastructure, coverage changes and API work.
Articles are published in English.
Guides30 Sept 2025·6 min read
Rentals vs activations: choosing the right primitive
One question decides it: will you ever need to receive a second message on this number, later? Everything else is arithmetic.
Read moreby Sofia Renard
Product
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Guides
What virtual numbers cannot do
The honest list. Nine things people expect from a rented number that it will not give them, and what to use instead.
Marta Kwiatkowska·12 Sept 2023·6 min read
GuidesReading a success-rate badge: what 87 % actually means
It is a trailing seven-day delivery rate with a confidence interval you cannot see. What it measures, what it excludes, and why 87 % on 25 samples tells you almost nothing.
Marta Kwiatkowska·7 Jun 2022·6 min read