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Mandrill (Mailchimp Transactional)

mailchimp.com/pricing/transactional-email/Transactional senderemail/mandrillJSONcomparereport an errorprovider JSON

Free allowance
Up to 500 free sends to a verified domain, one demonstration block
Verdict
triala time-boxed or one-time trial, not a recurring allowance
Cost
free tier
Identity
cardcard required, no phone
Binding limit
write-gatedsends only to the account's verified domain during the demonstration
Evidence
documented1 source; a first-party page was read and the sentence quoted
Freshness
stale on 2026-11-22checked 2026-10-22 (live); stale on 2026-11-22
Free tierup to 500 free sends to a verified domain, one demonstration block
unit requests; metered on request-count
Pricenone stated
Limits
  • request-rate 500 emails in total, not per month source
  • write-gated (binding) sends only to the account's verified domain during the demonstration source
Identitycard a Mailchimp account with a payment method
Egressnot applicable: an outbound sender
Interfacerest https://mandrillapp.com/api/1.0/messages/send
Toolingcurl, any HTTP client
Composes with500 sends in total to one verified domain, so it composes with nothing that needs a recipient list.
Reliabilitythe demonstration block cannot send to arbitrary recipients
NotesNot a recurring allowance, which is what the '500 free emails' claim in circulation gets wrong.
Parsed numbers
  • has-free-tier 1
Evidence 1
datesourcewhat it proved
2026-10-22mailchimp.com/pricing/transactional-email/'New transactional email users can get up to 500 free email sends to their verified domain', and paid blocks are USD 20 per 25,000
More fields 1
stale after days90