I used Twilio for a mission-critical service: handling WhatsApp API communications for our business. My experience was an unmitigated disaster that cost us reputation and forced us to shut down the service and migrate away.The Technical FailureWe were utilizing Meta's standard free messaging tier (250 free messages/24h) for new accounts, which was confirmed to be active by Meta.However, Twilio's layer immediately blocked our service. After sending only 10-20 messages, Twilio started returning rate limit exceeded errors, completely paralyzing our operations. This block happened entirely on Twilio’s side, contradicting our actual quota access.The Support NightmareThe technical failure was compounded by the absolute worst customer support I have ever encountered in B2B SaaS:Critical Ticket Opened: We immediately opened a critical ticket detailing the business impact and providing full documentation.20 Days of Silence: For nearly three weeks, we received zero technical troubleshooting, zero updates, and zero human response. Our business was crippled during this entire period.Fraudulent Closure: On day 20, I found the ticket status had been unilaterally changed by Twilio to "Solved." The issue was not solved, it was not addressed, and we received no communication whatsoever. They simply closed a critical ticket to clear their backlog.Final VerdictTwilio demonstrated that they cannot handle mission-critical infrastructure and their support system is non-existent and deliberately misleading. They caused serious service disruption and reputational damage.If you value reliability, responsive customer service, or need an API that actually works according to vendor specifications, I strongly urge you to choose a competitor.I have permanently deleted my account and successfully migrated all services elsewhere. Avoid Twilio at all costs.
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