Show HN: I built remembered checkout for Voice calls

Category: infrastructure

Tags: voice, payments, identity, voice-agents, telephony

Score: 5.7/10 (Innovation: 6, Technical: 5, Documentation: 3, Utility: 6)

Ringup provides identity and payment infrastructure tailored for voice agents, recognizing callers via phone number and carrier signals so they can pay mid-call without a web login. It addresses a real gap left by web-first wallets like Stripe Link by adapting the checkout flow to the voice channel.

Target audience: backend devs building voice agents, devops, fintech engineers

Repository: https://ringup.dev/

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