MailSlurp adds inbox placement testing to all plans, gates warmup to top tiers
What happened
Between the Oct 5, 2026 and Oct 12, 2026 captures of MailSlurp's pricing page, Pulse recorded one change: New provider/device coverage section: inbox placement on all plans; Google Workspace/M365 placement Pro+; warmup checkpoints Growth/Enterprise only; premium render targets may cost more. In detail: New Provider and device coverage section: Yahoo Mail added to inbox placement on all plans (cards listed only Gmail/Outlook); Growth/Enterprise warmup checkpoints now cover Yahoo, Google Workspace and Microsoft 365 (previously Gmail and Outlook); premium render target list expanded (iOS/iPadOS Mail, Gmail iOS, Outlook mobile, Gmail.com, Outlook.com, Yahoo.com). Usage rates now note premium targets may cost more, and light/dark renders bill as separate targets. Pulse files it as a product change (feature added). Pulse's latest capture (Nov 9, 2026) lists Starter at $19.17, Pro at $45.83, Growth at $116.67, Inbox placement at $1 per test and Device rendering at $0.50 per render.
It lands 7 days after MailSlurp's previous change, "MailSlurp adds $0.01/credit email warmup usage rate + 1 more change" (Oct 4, 2026). Before that Pulse recorded "MailSlurp adds AI token disclosures and email warm-up as usage caps quietly…" (Sep 21, 2026), "MailSlurp kills paid trials for Pro and Team, points users to Free plan" (Sep 6, 2026) and "MailSlurp: Free & Phone number capacity increased" (Aug 30, 2026). MailSlurp has been tracked since 2026-02-28.
In the same window Mailchimp, HubSpot and Klaviyo also changed their Software Development & Testing pricing pages. Those moves are listed further down, and the Pulse Agent can compare them side by side.
- AddedGrowth, EnterpriseFeatureNot listedYahoo Mail
| Plan | Field | Before | After | Change |
|---|---|---|---|---|
| Growth, Enterprise | Feature | Not listed | Yahoo Mail | Added |
Values as written on MailSlurp's public pricing page in the two captures Pulse compared; where the page states no number, the cells give the wording before and after.
Evidence
The two captures Pulse comparedFull-page captures of MailSlurp's pricing page (mailslurp.com) from Oct 5, 2026 and Oct 12, 2026; the change is marked in the lower part of the page, where Yahoo Mail now appears.
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The two full-page captures with this change marked up are free with an account.
MailSlurp, the last 90 days
Full historyDates are the day each change was detected, Eastern time.
- Nov 8, 2026Price increaseMailSlurp hikes Growth plan 53% to $199/mo, adds 7-day trial on Starter
- Nov 1, 2026Price increaseMailSlurp hikes Pro plan to $69, halves Free email allowance to 250
- Oct 11, 2026Feature addedMailSlurp adds inbox placement testing to all plans, gates warmup to top tiers This change
- Oct 4, 2026PackagingMailSlurp adds $0.01/credit email warmup usage rate + 1 more change
- Sep 21, 2026PackagingMailSlurp adds AI token disclosures and email warm-up as usage caps quietly…
- Sep 6, 2026PackagingMailSlurp kills paid trials for Pro and Team, points users to Free plan
- Aug 30, 2026PackagingMailSlurp: Free & Phone number capacity increased
Across Software Development & Testing in the same window
All Software Development & Testing changesQuestions about this change
Did MailSlurp raise prices in October 2026?
No list-price increase was recorded between Oct 5, 2026 and Oct 12, 2026 UTC. The change Pulse detected was a product change: feature added.
What changed on MailSlurp's pricing page between Oct 5, 2026 and Oct 12, 2026 UTC?
Growth, Enterprise feature added: Yahoo Mail. Pulse compared the captures it took on Oct 5, 2026 and Oct 12, 2026 UTC; the before/after table above lists each item as written on the page.
How often does MailSlurp change its pricing?
Pulse recorded 4 other pricing-page changes for MailSlurp in the 90 days before this one; the previous change was "MailSlurp adds $0.01/credit email warmup usage rate + 1 more change" on Oct 4, 2026; MailSlurp has been tracked since 2026-02-28.