whats-best.ai

Transactional Email · Alternatives

Bird Email API (formerly SparkPost) alternatives

As of 2 Nov 2026, the panel rates Lettermint (3.5/5), Postmark (3/5) and Mailjet Email API (3/5) highest among the other 15 Transactional Email products evaluated. Ratings that look equal are rounded to half stars; the order uses the unrounded rating, then the name. The highest-rated European alternative is Lettermint (EU-Made). Ratings are the AI panel’s opinion, formed from public evidence: how scores are made.

Bird Email API (formerly SparkPost)’s own page → All Transactional Email products →

European alternatives to Bird Email API (formerly SparkPost)

European by provenance (EU-made, EU origin with foreign ownership, or UK and wider Europe). Data hosting is stated only where the vendor’s own pages prove it.

  1. Lettermint

    EU-Made

    Panel rating

    Lettermint is a transactional email API and SMTP relay from Lettermint B.V., a founder-owned Dutch company in Zwolle.

    • Data hosting: not stated on the vendor’s pages
    • Free plan: yes, per the vendor’s page captured 1 Nov 2026

    Lettermint in detail →

  2. Panel rating

    Mailjet Email API, sold by Mailjet SAS of Paris under Sweden's Sinch group, is a transactional email service with weighted totals of 6.1 to 6.3.

    • Data hosting: Default not stated; pages mention United States, Europe and the EU
    • Free plan: yes, per the vendor’s page captured 1 Nov 2026

    Mailjet Email API in detail →

  3. Panel rating

    Brevo's transactional email service earns its best marks for its sending API, scored 7-8: a documented REST endpoint and SMTP relay, seven official SDKs, batch sending up to 1,000 emails per request, a sandbox mode, and idempotency keys with a 30-minute window.

    • Data hosting: Default not stated; pages mention France and Germany
    • Free plan: yes, per the vendor’s page captured 1 Nov 2026

    Brevo Transactional Email in detail →

  4. Sweego

    EU-Made

    Panel rating

    Sweego, published by MINDBAZ SAS of Lille, is a transactional email and SMS service sent through a REST API or an SMTP relay.

    • Data hosting: not stated on the vendor’s pages
    • Free plan: yes, per the vendor’s page captured 1 Nov 2026

    Sweego in detail →

  5. MailPace

    UK / wider Europe

    Panel rating

    MailPace is a transactional-only email API and SMTP relay from OhMySMTP Ltd, a company of England and Wales, with stored data hosted in France on Clever Cloud.

    • Data hosting: Default not stated; pages mention France and the EU

    MailPace in detail →

  6. SMTPeter

    EU-Made

    Panel rating

    SMTPeter, Copernica BV's transactional email service, scores highest on sovereignty at 6-7 and pricing transparency at 6-7: the captured pages document servers in the Iron Mountain data centre in Haarlem, backups with True BV in Amsterdam and a policy statement that data entered by you is only stored in the Netherlands, alongside a licence at € 55/month including 25.000 emails, one IP and one domain and per-thousand rates from € 0,23 down to € 0,05.

    • Data hosting: Default not stated; pages mention Netherlands

    SMTPeter in detail →

Other alternatives

  1. Postmark

    Rest of world

    Panel rating

    Postmark, the transactional email service of AC PM, LLC, an ActiveCampaign company, earns its best marks on the sending API and pricing transparency, both a flat 7, and on deliverability at 7 to 8, resting on manual vetting of every new sender, free custom Return-Path and DKIM, and separate infrastructure for transactional and broadcast traffic including IP ranges.

    Postmark in detail →

  2. Amazon SES

    Rest of world

    Panel rating

    Amazon SES is an AWS platform for sending and receiving email using your own addresses and domains, sold with three plans — Essentials, Pro and Enterprise — plus à-la-carte rates.

    Amazon SES in detail →

  3. Mailtrap Email API/SMTP

    Rest of world

    Panel rating

    Mailtrap Email API/SMTP, from Railsware Products Studio LLC, a Delaware-incorporated company with a business address in Pasadena, California, is strongest at transactional-sending fundamentals: deliverability, observability, and data and security each scored 7.

    Mailtrap Email API/SMTP in detail →

  4. Elastic Email API

    Rest of world

    Panel rating

    Elastic Email Inc., a Canadian corporation, sells this transactional email service with a documented REST API v4, an SMTP relay and official libraries for twelve languages; the sending API scores 6 to 7, the top of this bench's range.

    Elastic Email API in detail →

  5. Resend

    Rest of world

    Panel rating

    Resend, a transactional email service from Plus Five Five, Inc.

    Resend in detail →

  6. MailerSend

    Rest of world

    Panel rating

    MailerSend's evidence is strongest for developers: sending API and observability scores cluster at 7, on seven official SDKs, a published OpenAPI spec, a CLI, an SMTP relay with documented limits, a searchable per-message log with HTML, plain-text and raw views, and signed webhooks retried twice on a published schedule.

    MailerSend in detail →

  7. Panel rating

    Twilio SendGrid Email API is a transactional email service with a documented REST API and SMTP relay, official SDKs in seven languages, and domain authentication with SPF and DKIM plus automated dedicated-IP warm-up and pooling.

    Twilio SendGrid Email API in detail →

  8. SMTP2GO

    Rest of world

    Panel rating

    SMTP2GO is a transactional email and SMS service from Sand Dune Mail Ltd, Christchurch, New Zealand.

    SMTP2GO in detail →

  9. Mailgun

    Rest of world

    Panel rating

    Mailgun is a transactional email API and SMTP relay from Mailgun Technologies, Inc., part of Sinch AB.

    Mailgun in detail →