Loops alternatives
Providers that compete with Loops on at least one of: Marketing Transactional Newsletter
Modern lifecycle and broadcast email for SaaS.
Switching as teams choosing a transactional API
Judged purely as an API. What the request contract guarantees on retry, how complete the webhook event coverage is, whether suppressions are readable and writable programmatically, and how much the message log retains when something needs debugging in production.
Loops does not cover idempotency keys and operating track record, and none of the alternatives below close that gap either. If it is a hard requirement, the shortlist has to widen beyond this category.
ranked for teams choosing a transactional API
- 01
Brevo
Transactional MarketingAll-in-one with a generous daily free tier.
Matches Loops on every priority weighed here, so the decision is price and preference.
300/day permanent · $9/mo for 5,000 emails - 02
Elastic Email
Transactional MarketingLow-cost email API and SMTP relay with marketing features nearby.
Matches Loops on every priority weighed here, so the decision is price and preference.
$0/mo test plan with limited sending only to yourself · $19/mo for Email API up to 50,000 emails/mo - 03
Customer.io
Marketing TransactionalBehavior-driven lifecycle messaging.
Matches Loops on every priority weighed here, so the decision is price and preference.
No permanent free tier; trial only · $100/mo (Essentials) - 04
Plunk
Self-hosted MarketingOpen-source unified email platform.
Matches Loops on every priority weighed here, so the decision is price and preference.
3,000/mo on hosted free plan · $19/mo or self-host - 05
SendGrid
Transactional MarketingTwilio-owned veteran with broad SDK coverage.
Matches Loops on every priority weighed here, so the decision is price and preference.
60-day free trial only (permanent free tier was removed May 2025) · $19.95/mo for 50,000 emails - 06
Mailjet
Transactional MarketingEuropean-focused, GDPR-friendly all-in-one.
Matches Loops on every priority weighed here, so the decision is price and preference.
6,000/mo (200/day cap) permanent · $17/mo for 15,000 emails - 07
Kit
Newsletter MarketingCreator-focused newsletter platform (formerly ConvertKit).
Matches Loops on every priority weighed here, so the decision is price and preference.
10,000 subscribers, broadcasts only · $15/mo for 1,000 subscribers (Creator) - 08
SendPulse
Transactional MarketingMarketing suite with a generous transactional SMTP tier.
Gives up SDK breadth against Loops and adds nothing on these priorities.
12,000 transactional emails/mo on SMTP Basic, 50 messages/hour · $15 pay-as-you-go for 10,000 emails, or $74.85/mo monthly for Pro 100,000
Loops and its alternatives, side by side
Columns are the priorities teams choosing a transactional API weigh, in order. Loops is the first row so the trade in each direction is readable at a glance.
| Provider | Idempotency keys | Webhooks | Event stream | Operating since | Suppressions API | Best published rate per 1,000 | Batch sending | SDKs |
|---|---|---|---|---|---|---|---|---|
| Loops | No | Yes | Yes | 2022 | Yes | Tiers not published in comparable form | Yes | node, python, go, ruby, php |
| Brevo | No | Yes | Yes | 2012 | Yes | Tiers not published in comparable form | Yes | node, python, go, ruby, php, java, dotnet |
| Elastic Email | No | Yes | Yes | Not published | Yes | Tiers not published in comparable form | Yes | node, python, php, java, dotnet |
| Customer.io | No | Yes | Yes | 2012 | Yes | Tiers not published in comparable form | Yes | node, python, go, ruby, php, java |
| Plunk | No | Yes | Yes | Not published | Yes | Tiers not published in comparable form | Yes | node, python |
| SendGrid | No | Yes | Yes | 2009 | Yes | $0.40 | Yes | node, python, go, ruby, php, java, dotnet |
| Mailjet | No | Yes | Yes | Not published | Yes | Tiers not published in comparable form | Yes | node, python, go, ruby, php, java, dotnet |
| Kit | No | Yes | Yes | 2013 | Yes | Tiers not published in comparable form | Yes | node |
| SendPulse | No | Yes | Yes | Not published | Yes | Tiers not published in comparable form | Yes | None |
Nothing on this list is a clean upgrade: every alternative trades something away against Loops on these priorities, so the choice depends on which of them the build actually needs.