AI SDR & sales agents

OpenFunnel(YC F24) tech stack

Personalised Agents for AI-First GTM Teams

openfunnel.dev ↗Checked Sep 2026

Foundation

“Automated emails with OpenFunnel suggested outbounds!” — the maker, Sep 2026 ↗

On its website: DNS: resend._domainkey.openfunnel.dev TXT (record present); DNS: send.openfunnel.dev MX feedback-smtp.us-east-1.amazonses.com source · Oct 2026 ↗
On its website: HTTP: openfunnel.dev responds with x-nextjs-prerender; HTTP: openfunnel.dev responds with x-powered-by: Next.js source · Oct 2026 ↗

AI in the product

“Langgraph Studio helps us easily build and ideate agents” — the maker, Sep 2026 ↗

“LLM observability platform that just works!” — the maker, Sep 2026 ↗

“Gpt 4o, Gpt4o-mini for agents and vanilla llm calls” — the maker, Sep 2026 ↗

Growth

On its website: DNS: envelope.openfunnel.dev MX feedback-smtp.us-east-1.amazonses.com source · Oct 2026 ↗

Other tools

Other
On its website: HTTP: openfunnel.dev responds with x-vercel-id source · Oct 2026 ↗

Built on a similar stack

Products that share the most distinctive building blocks with OpenFunnel(YC F24).