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mailboxlayer API logo

mailboxlayer API Pricing

mailboxlayer.com · Email Verification Tools · refreshed 2026-05-06
Email Verification Tools
Free tier
5 tiers
Public API
Quick answer

mailboxlayer API pricing starts at $14.99/mo for the Starter plan. 5 tiers total including a free tier.

Page fetched 2026-05-09 · mailboxlayer.com · Tier-based subscription
mailboxlayer API pricing page screenshot — https://apilayer.com/marketplace/email_verification-api#pricing
Source · live pricing page on 2026-05-06

apilayer.com/marketplace/email_verification-api#pricing

Open
Pricing
mailboxlayer API pricing
As of 2026-05-09 · apilayer.com/marketplace/email_verification-api#pricing
Free
Free
Validate email syntax
SMTP verification
Disposable email detection
Starter
$14.99/mo
flat
Standard support
5,000 requests per month
Pro
$74.99/mo
flat
Standard support
50,000 requests per month
Enterprise
$249.99/mo
flat
Standard support
250,000 requests per month
Custom
Sales
Contact sales
Contact sales for volume pricing
Cost calculator
See your real cost on each plan

Adjust seats to compare mailboxlayer API plans side-by-side and check the annual break-even.

Starter
$14.99/mo
$14.99/mo
Pro
$74.99/mo
$74.99/mo
Enterprise
$250/mo
$250/mo
Open live pricing pageSee agent-readiness analysis
Frequently asked
mailboxlayer API pricing FAQ

Mailboxlayer API pricing starts at $0/mo for the Free plan; paid plans range up to $249.99/mo. Billed monthly.

mailboxlayer API's cheapest business-usable plan is Starter Plan at $14.99/mo. Lowest paid tier suitable for small businesses with 5,000 monthly requests.

Yes — mailboxlayer API publishes a free tier. Free plan includes 100 requests per month.

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

xpay scored mailboxlayer API as agent-ready: every advertised plan is self-serve with public pricing. mailboxlayer API publishes a pricing page with 5 discoverable plan tier(s). No per-unit price was found on the page; an agent has no direct way to estimate the cost of a single task. All advertised paths route to a sales conversation rather than a self-serve checkout. Public API documentation is reachable without an auth wall. A free or freemium tier is offered. For the full purchase simulation see the linked Agent-Ready Index scorecard.

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

Alternatives in Email Verification Tools
Top mailboxlayer API alternatives by pricing transparency
DeBounce pricing
debounce.io
Bounceless pricing
bounceless.io
EmailOversight pricing
emailoversight.com
Proofy pricing
proofy.io
VerifiedEmail pricing
verified.email
SafetyMails pricing
safetymails.com
Antideo pricing
antideo.com
Xverify pricing
xverify.com
Browse all Email Verification Tools alternatives →
AI agent readiness
Can an AI agent buy from mailboxlayer API?
Agent-Ready Verified

78

/ 100 in xpay's Agent-Ready SaaS Index

mailboxlayer API scores 78/100 on xpay's Agent-Ready Index v2: partial pricing visibility; self-serve checkout is available; a public API exists with documentation; usage-based / per-token pricing is …

See the full scorecardIncludes the 6-step agent purchase simulation, score breakdown across 7 dimensions, and the one-line fix that would lift mailboxlayer API into the Agent-Ready Verified band.
Quick facts
At a glance
Free access

Free plan includes 100 requests per month

Billing cycle

Monthly

Lowest paid

$14.99/mo

Self-serve checkout

3 tiers

Tier count

5

Pricing model

Tier-based subscription

More Email Verification Tools alternatives
Most agent-ready

MyEmailVerifier

myemailverifier.com
75

validTo

validto.com
75

emailvalidation.io

emailvalidation.io
74

Snovio

snov.io
73

BounceBan

bounceban.com
73
mailboxlayer API pricing summary derived from a live read of https://apilayer.com/marketplace/email_verification-api#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 mailboxlayer API.

Explore SaaS pricing across categories

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