How AI Voice Agent Software companies actually get customers
Every company below was analyzed from public evidence: ad libraries, traffic data and launch history. No surveys, no self-reported numbers. An ad that keeps running is an ad that keeps paying for itself, so run-time is the honest signal.
What the data says about this market
- 2 of 5 lead with integrations.
- 4 of 5 are led by an unpaid channel, with ads playing a supporting role rather than driving growth.
- 5 of 5 are running ads at all, and 3 have an ad that has been running over a year (ElevenLabs at 735 days, Vapi at 644 days).
- 1 grew traffic more than 10% over the last three months: Hey Telo.
SEOFree utility tool pages (homepage + /text-to-speech) carry 29.1% of traffic and convert directly, no nurture funnel needed
communitiesEvery major feature ship (Voice Translation, Voice Isolator, Eleven v3, Eleven Music) re-earned Hacker News front-page traction organically
founder linkedinCo-founder Jordan Dearsley's personal LinkedIn (32,608 followers) is the self-described #1 channel for trust and virality
communitiesRepeated Hacker News Show HN launches, especially the game-format 'secret code' post (155 pts/105 comments), drove breakout early traction
google ads competitor conquesting28 of 31 Google ads active, dedicated /retell_vs_vapi and /retell_vsair_ai landing pages bidding on competitors' higher-volume brand search terms
LinkedIn ads~138-ad LinkedIn library running vertical case-study creative (healthcare, lending, debt collection) as primary outbound demand-gen engine
integrationsOfficial integration status with pds, KWP, and mfr trade-ERP platforms embeds Hey Telo inside software Handwerker already use daily; pds's own Nov 2025 announcement + Instagram reel gave instant borrowed reach
Paid search7 of 8 Google ads active as of 2026-07-24, longest running ~315 days since Sept 12, 2025, mixing branded and category ('Telefon-KI für SHK Betriebe') terms
integrationsVapi official integration docs reference drives passive discovery from builders already in the ecosystem
marketplaceRetell AI App Partner listing is the primary top-of-funnel; retellai.com appears as a direct traffic neighbor confirming buyer flow