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Head-to-head · Email APIs

Scaleway Transactional Email vs Plunk

  • Updated Oct 2026
  • Both researched from official sources
  • 6 checks side by side
Higher score Scaleway Transactional Email #4 in Email APIs 9.0/10 Paid ✓ 3 of 5 features Visit Scaleway
Plunk #6 in Email APIs 8.6/10 Free plan · paid from $0.00 Free plan✓ 4 of 5 features Visit Plunk

Scaleway Transactional Email leads on 0 checks, Plunk on 3, and 3 are even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreScaleway Transactional Email · 9.0/10
  • Free planonly Plunk
  • Most featuresPlunk · 4 of 5

Scaleway Transactional Email scores higher on our rubric for email apis: 9.0 against 8.6 out of 10; our editors rank them #4 and #6.

Plunk offers free plan; Scaleway Transactional Email doesn't. Plunk offers inbound email; Scaleway Transactional Email doesn't. Plunk offers email templates; Scaleway Transactional Email doesn't.

Scaleway Transactional Email is the better fit for european teams needing authenticated email delivery. Plunk is the better fit for open-source teams needing flexible email workflows.

  • Scaleway Transactional Email fits best

    European teams needing authenticated email delivery

  • Plunk fits best

    Open-source teams needing flexible email workflows

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. How we rank.

Side by side

Feature Scaleway Transactional Email 9.0/10 Visit ↗ Plunk 8.6/10 Visit ↗
At a glance
Editor score 9.0 8.6
Ranking #4 in Email APIs #6 in Email APIs
Best for European teams needing authenticated email delivery Open-source teams needing flexible email workflows
Pricing model Paid Free plan + paid
Starting price Not checked yet Free plan · paid from $0.00
Free plan — ✓ (best)
Free trial — —
Deployment Cloud Cloud, Self-hosted
Platforms Web Web
Support Tickets, Community, Docs Email, Community, Docs
Compliance GDPR GDPR
Integrations 4 integrations 4 integrations
Built for Small business, Enterprise Solo, Small business, Mid-market
Features Scaleway Transactional Email 3/5 · Plunk 4/5
Inbound email — ✓ (best)
Delivery event webhooks ✓ ✓
SMTP relay ✓ ✓
Email templates — ✓ (best)
Dedicated IP option ✓ (best) Not checked yet
Specs
Monthly send limit 100000 /mo Not checked yet
Our review
Pros
  • REST API and SMTP relay support application email workflows
  • SPF, DKIM and DMARC authentication with reputation monitoring
  • Event webhooks, blocklists, attachments and delivery reports
  • REST API, SMTP relay, and inbound email processing
  • Workflows, campaigns, templates, segmentation, and analytics
  • Free tier plus Docker Compose self-hosting
Cons
  • Scale starts at €80 per month
  • Supports sending only, not inbound email
  • Available in Scaleway’s Paris region
  • Free plan is limited to 1,000 emails per month
  • Paid cost varies with email volume
  • Self-hosting requires Docker Compose setup
Our verdict

Scaleway Transactional Email is a managed service for application-generated, non-promotional messages such as account notifications, password resets, receipts, alerts and order updates. It is aimed at developers, startups and organizations…

Read the review →

Plunk is an open-source email platform for developers and teams managing transactional email, marketing campaigns, workflow automation, and contact operations. It combines REST API sending, SMTP relay, inbound email processing, reusable…

Read the review →
  1. Scaleway Transactional EmailEmail APIs 9.0Paid
  2. PlunkEmail APIs 8.6Free plan · paid from $0.00

Strengths and trade-offs

  • Scaleway Transactional Email — where it wins

    • REST API and SMTP relay support application email workflows
    • SPF, DKIM and DMARC authentication with reputation monitoring
    • Event webhooks, blocklists, attachments and delivery reports

    Where it doesn't

    • Scale starts at €80 per month
    • Supports sending only, not inbound email
    • Available in Scaleway’s Paris region

  • Plunk — where it wins

    • REST API, SMTP relay, and inbound email processing
    • Workflows, campaigns, templates, segmentation, and analytics
    • Free tier plus Docker Compose self-hosting

    Where it doesn't

    • Free plan is limited to 1,000 emails per month
    • Paid cost varies with email volume
    • Self-hosting requires Docker Compose setup
  • Scaleway Transactional Email9.0/10 · Paid

    A developer-focused email API with free sending and a €80 Scale tier.

    Visit ScalewayFull verdict →
  • Plunk8.6/10 · Free plan · paid from $0.00

    A flexible email API with workflows, inbound processing, and self-hosting.

    Visit PlunkFull verdict →

More comparisons

All email APIs comparisons → · Full ranking →

Guides on email APIs

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update