Email APIs · side by side
Instantly vs Lemlist
Compare Instantly, Lemlist by sending volume, delivery webhooks, inbound email, domain limits and retention.
Email APIs pricing calculator
These providers bill in different units. Each estimate uses its own workload; there is no same-volume price winner.
Instantly
10K
Lemlist
5
Instantly
Custom / not listed
Custom / unlisted usage pricing · 10K leads
Lemlist
Custom / not listed
Custom / unlisted usage pricing · 5 seats
Listed USD plan fees and tracked usage only. Unlisted compute, transfer, extras, taxes and contract terms are excluded. Custom or unsupported plan usage is not estimated.
Email APIs overview & pricing
| Email APIs | Instantly | Lemlist |
|---|---|---|
| Provider | Instantly | Lemlist |
| Billing unit | leads | seats |
| Plan at selected usage | Custom / unlisted usage pricing | Custom / unlisted usage pricing |
| Monthly estimate | Custom / not listed | Custom / not listed |
| Workload | 10K leads | 5 seats |
| Free access | Trial | Trial |
| Published plans | Bundle - Starter (Monthly), Bundle - Starter (Yearly), Bundle - Scale (Monthly), Bundle - Scale (Yearly), Bundle - Agency (Monthly), Bundle - Agency (Yearly), Outreach - Growth (Monthly), Outreach - Growth (Yearly), Outreach - Hypergrowth (Monthly), Outreach - Hypergrowth (Yearly), Outreach - Light Speed (Monthly), Outreach - Light Speed (Yearly) | Email, Multichannel, Enterprise |
| Prices checked | 2026-10-08 | 2026-10-08 |
Provider
- Instantly
- Instantly
- Lemlist
- Lemlist
Billing unit
- Instantly
- leads
- Lemlist
- seats
Plan at selected usage
- Instantly
- Custom / unlisted usage pricing
- Lemlist
- Custom / unlisted usage pricing
Monthly estimate
- Instantly
- Custom / not listed
- Lemlist
- Custom / not listed
Workload
- Instantly
- 10K leads
- Lemlist
- 5 seats
Free access
- Instantly
- Trial
- Lemlist
- Trial
Published plans
- Instantly
- Bundle - Starter (Monthly), Bundle - Starter (Yearly), Bundle - Scale (Monthly), Bundle - Scale (Yearly), Bundle - Agency (Monthly), Bundle - Agency (Yearly), Outreach - Growth (Monthly), Outreach - Growth (Yearly), Outreach - Hypergrowth (Monthly), Outreach - Hypergrowth (Yearly), Outreach - Light Speed (Monthly), Outreach - Light Speed (Yearly)
- Lemlist
- Email, Multichannel, Enterprise
Prices checked
- Instantly
- 2026-10-08
- Lemlist
- 2026-10-08
Email APIs monthly cost
Instantly: Not pricedLemlist: Not priced
Different workloads, separate estimates
Separate transactional delivery from campaigns, outreach and agent inboxes. Compare monthly sends and daily caps; contacts, seats and inboxes are not sending allowances. Budget separately for dedicated IPs, validation and attachments.
Email APIs feature comparison
| Email APIs | Instantly | Lemlist |
|---|---|---|
| Sending methods | Not listed | Not listed |
| Inbound processing | Not listed | Not listed |
| Sending domains | Not listed | Not listed |
| Activity retention | Not listed | Not listed |
| Webhooks & events | Not listed | Not listed |
| Dedicated IP | Not listed | Not listed |
| Single sign-on | Not listed | Not listed |
| Support | Not listed | Not listed |
| Uploaded contacts | Not listed | Not listed |
| Emails per month | Not listed | Not listed |
| Unlimited email accounts | Not listed | Not listed |
| Unlimited email warmup | Not listed | Not listed |
| Advanced warmup capabilities | Not listed | Not listed |
| Invite team members | Not listed | Not listed |
| Advanced sequences | Not listed | Not listed |
| Advanced scheduling | Not listed | Not listed |
| Email & account analytics | Not listed | Not listed |
| Global block list | Not listed | Not listed |
| A/Z Testing | Not listed | Not listed |
| Reputation protection & bounce detection | Not listed | Not listed |
| API, webhooks, and integrations | Not listed | Not listed |
| Unibox | Not listed | Not listed |
| General support tickets | Not listed | Not listed |
| Priority support | Not listed | Not listed |
Sending methods
- Instantly
- Not listed
- Lemlist
- Not listed
Inbound processing
- Instantly
- Not listed
- Lemlist
- Not listed
Sending domains
- Instantly
- Not listed
- Lemlist
- Not listed
Activity retention
- Instantly
- Not listed
- Lemlist
- Not listed
Webhooks & events
- Instantly
- Not listed
- Lemlist
- Not listed
Dedicated IP
- Instantly
- Not listed
- Lemlist
- Not listed
Single sign-on
- Instantly
- Not listed
- Lemlist
- Not listed
Support
- Instantly
- Not listed
- Lemlist
- Not listed
Uploaded contacts
- Instantly
- Not listed
- Lemlist
- Not listed
Emails per month
- Instantly
- Not listed
- Lemlist
- Not listed
Unlimited email accounts
- Instantly
- Not listed
- Lemlist
- Not listed
Unlimited email warmup
- Instantly
- Not listed
- Lemlist
- Not listed
Advanced warmup capabilities
- Instantly
- Not listed
- Lemlist
- Not listed
Invite team members
- Instantly
- Not listed
- Lemlist
- Not listed
Advanced sequences
- Instantly
- Not listed
- Lemlist
- Not listed
Advanced scheduling
- Instantly
- Not listed
- Lemlist
- Not listed
Email & account analytics
- Instantly
- Not listed
- Lemlist
- Not listed
Global block list
- Instantly
- Not listed
- Lemlist
- Not listed
A/Z Testing
- Instantly
- Not listed
- Lemlist
- Not listed
Reputation protection & bounce detection
- Instantly
- Not listed
- Lemlist
- Not listed
API, webhooks, and integrations
- Instantly
- Not listed
- Lemlist
- Not listed
Unibox
- Instantly
- Not listed
- Lemlist
- Not listed
General support tickets
- Instantly
- Not listed
- Lemlist
- Not listed
Priority support
- Instantly
- Not listed
- Lemlist
- Not listed
Showing 15 of 24
Which email providers fit your needs?
Lemlist features & plan notes
- Personalization
- Multichannel outreach
- Campaign API
How to compare email providers
Separate transactional delivery from campaigns, outreach and agent inboxes. Compare monthly sends and daily caps; contacts, seats and inboxes are not sending allowances. Budget separately for dedicated IPs, validation and attachments.
Browse Email APIs pricing