Kingmailer Pricing
kingmailer.co · Transactional Email · refreshed 2026-05-06kingmailer.co/pricing/
at $6.58.
$0
$6.58
per monthPlans & what each tier includes
Synthesized from Kingmailer's public pricing page on 2026-05-06. Tier names normalized to a starter / team / business / enterprise pattern; the actual Kingmailer pricing page is the source of truth for in-tier features.Free
$0
foreverFree tier with no credit card required
Access to Kingmailer's transactional email surface
Limited usage
Documentation available on signup
Entry paid
$6.58
per monthSelf-serve checkout via card
Usage included up to plan cap
Public API access for integrations and AI agents
Account creation required for API key issuance
What Kingmailer charges
Kingmailer operates in the transactional email space. The published pricing page lists 2 tiers, including a free tier, starting at $6.58/mo. The pricing page positions plans as: " at $6.58.".
For the deeper analysis — score, simulation, pros & cons for AI agents, and the one-line fix that would lift this listing into the Verified band — see the agent-readiness scorecard.Kingmailer pricing FAQ
Kingmailer's lowest paid plan starts at $6.58 per month, with 2 tiers in total alongside a free tier. Pricing reflects what was published on 2026-05-06 — see the live Kingmailer pricing page for the most current terms.
Yes — Kingmailer publishes a free tier. This makes it possible to evaluate Kingmailer without committing budget.
Kingmailer's pricing page positions itself as: " at $6.58.". For the strict definition of agent-buyable PPU — a per-task purchase that an AI agent can complete without an annual commitment — see the agent-readiness scorecard.
Yes. Every advertised Kingmailer tier is self-serve via card checkout, with no sales call required.
xpay scored Kingmailer 63 / 100 on its Agent-Ready SaaS Index, which places it in the Partially Agent-Ready band. Kingmailer publishes a pricing page with 2 discoverable plan tier(s). Self-serve signup appears available without a sales call. A public API is advertised on the listing — Tier 2 will confirm docs are open. A free or freemium tier appears to be offered. Tier 1 scorecard from public listing signals; pricing-page verification is a Tier 2 task. For the full 6-step purchase simulation and the one-line fix that would lift this listing into the next band, see the linked scorecard.
In the Transactional Email category, xpay's Agent-Ready Index lists multiple alternatives ranked by their ability to support AI agent purchase. Visit the agent-readiness scorecard for Kingmailer to compare with 3 nearest peers, or browse the full Transactional Email category from the index.
Compare with similar SaaS
Can an AI agent buy from Kingmailer?
63
/ 100 in xpay's Agent-Ready SaaS IndexKingmailer publishes a pricing page with 2 discoverable plan tier(s). Self-serve signup appears available without a sales call. A public API is advertised on the listing — Tier 2 will confirm docs are…
See the full scorecardIncludes the 6-step agent purchase simulation, score breakdown across 7 dimensions, and the one-line fix that would lift Kingmailer into the Agent-Ready Verified band.At a glance
Available
$6.58/mo
1 tier
2
Compare nearby
Kingmailer pricing summary derived from a live read of https://kingmailer.co/pricing/ on 2026-05-06. For the agent-readiness assessment — including the 6-step purchase simulation and a per-dimension scorecard — see xpay's Agent-Ready SaaS Index entry for Kingmailer.