Lumail vs SparkPost
Lumail
SparkPost
Email API and SMTP service, now Bird Email
Lumail and SparkPost pricing and feature comparison
Free emails / month
Lumail
3,000
SparkPost
1,000
Unlimited subscribers · $0
$0
Paid entry
$20/month, 40,000 included, then $0.60/1,000
Starter from $20/month
Pricing basis
Unlimited subscribers; pricing follows email volume
Monthly email volume, not subscribers
Automation
Graph workflows with triggers, branches, goals, exits, and A/B paths
No journey builder; Premier adds scheduled sending and A/B tests
AI and developer access
ChatGPT OAuth, MCP, skills, CLI, SDK, REST API, and visual editor
Bird Email offers a hosted MCP server, a CLI, and agent skills
Transactional email
Included through API, SMTP, SDK, CLI, and agent tools
Core product, via REST API or SMTP, in US or EU regions
Publishing surface
Capture pages and custom web domains; not a general website builder
Templates and scheduled sends; no hosted newsletter
Choose Lumail if…
- You want campaigns, workflows, subscribers, and transactional email in one account
- You need a visual editor and workflows instead of sending from code
- You want MCP tools built for running a newsletter
Choose SparkPost if…
- High-volume delivery is the job and you don't need a newsletter editor
- You need subaccounts, IP pools, or inbound email webhooks
- You already send on SparkPost and want to keep that reputation
Where SparkPost is strong
A real alternative, not a straw man.
SparkPost is an email sending and deliverability service with an API and SMTP relay. MessageBird bought it in 2021 and renamed it Bird Email in 2023. People pick SparkPost when they need engineering teams that need large-scale delivery, dedicated IPs, and deliverability analytics.
- Long deliverability track record; Bird says it carries about 40% of commercial email
- API and SMTP relay with analytics, webhooks, and US and EU regions
- Premier includes a dedicated IP, IP warmup, inbound email, and A/B tests
Don't trust the table. Run one journey.
Checklists lie by flattening the work. Build one real path: a trigger, a wait, a branch, a goal, an exit. Then open one subscriber and see what actually happened. That tells you more than any feature row.
- 1. Import a small, consented sample. Not the whole list.
- 2. Recreate one campaign and the audience it actually hits.
- 3. Publish one automation with a goal you can measure.
- 4. Fire a test and read every event on one person.
- 5. Compare the weekly work, not the setup afternoon.

Try it on a real send
Keep the whole list. Pay when you send.
3,000 emails free, no card. Rebuild one campaign, one workflow, and one transactional message before you move anyone. If it feels worse than SparkPost, stay.
The questions people actually ask
Is Lumail cheaper than SparkPost?
Sometimes. Lumail is $0 for 3,000 emails, then $20 for 40,000. SparkPost's number only makes sense after you know what they cap: contacts, seats, a daily send limit, or a feature they hide behind a paid plan. Read the honest take above, then price a normal month and a launch month on both pages.
What is the main difference between Lumail and SparkPost?
Choose SparkPost, now Bird Email, for high-volume sending with dedicated IPs and deliverability analytics. Choose Lumail when newsletters, workflows, subscribers, and transactional email should live in one place agents can operate.
Can I migrate from SparkPost to Lumail?
Yes. Don't move the whole list on day one. Export a small consented sample, rebuild one campaign and one automation, authenticate your domain, then watch one subscriber go through the run. If that feels right, move the rest.