Plunk Pricing

Plunk pricing starts at $0.001 per email; a free plan is available with unlimited contacts, and paid usage is billed per email sent. No monthly or annual subscription is required.

Plunk is priced per usage rather than per seat.

Yes — Plunk publishes a free tier. unlimited contacts, pay per email.

Yes — Plunk's purchase motion is self-serve. A checkout URL is published on the pricing page. No demo is required.

Yes — Plunk's API documentation is publicly accessible. An AI agent or developer can inspect the integration surface without authentication.

xpay scored Plunk as agent-ready: every advertised plan is self-serve with public pricing. Plunk publishes a pricing page with 2 discoverable plan tier(s). Per-unit pricing is published — an agent can forecast cost per task before committing. Self-serve signup exists alongside a sales-led / custom tier. No public API documentation URL was discovered. A free or freemium tier is offered. For the full purchase simulation see the linked Agent-Ready Index scorecard.

In the Email Marketing category, xpay's Agent-Ready Index lists alternatives ranked by their ability to support AI agent purchase. Visit the agent-readiness scorecard for Plunk to compare with 3 nearest peers.