Alternatives
Products that do what Retelio does
Turn customer experience into revenue — no app required.
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Get all the context you need to resolve tickets faster.
2018
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Clients are already on WhatsApp. Your invoices should be too
Jul 2026 · getveevi.com
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Hey HN, I'm Pau. We've been building Zernio for the past 9 months and we just crossed $1M in ARR (bootstrapped). Zernio is a unified API for social platforms. One API for Instagram, TikTok, YouTube, LinkedIn, X, and 9 others. Today we're adding WhatsApp. We've spent 3 weeks just getting a test message to send. Meta requires a developer app, a WhatsApp Business Account inside Business Manager, business verification (2-14 days), phone number OTP, webhook configuration with a two-step subscription, and token management for tokens that die every 60 days. Miss one step and messages vanish with no…
Mar 2026 · zernio.com
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