Pay only when the message lands in the Inbox. Start free, scale as you grow.
managed pool
Only confirmed delivery to Inbox (not Promotions, Spam, Bounce). Verified via seed sampling or engagement signals (open/click/reply).
Managed: our warmed-up accounts, quick start, no setup. BYO: your SMTP/IMAP accounts, cheaper, requires setup.
Every creative passes 3-tier pipeline (rules → AI → human). $1 covers this. Required to protect our sender pools.
You don't pay. Billing only on confirmed inbox placement.
No. 500 free forever. Paid balance also doesn't expire.
None. Only free tier has 1/day limit.
Traditional providers charge per send regardless of outcome. LDM charges only when the message lands in the Inbox.
| SendGrid | Mailgun | Instantly | LDM | |
|---|---|---|---|---|
| Pricing model | per send | per send | subscription | per inbox delivery |
| Pay for fails | Yes | Yes | Yes (sub) | No |
| Inbox verification | No | No | No | Yes (seed sampling) |
| Free tier | 100/day | No | 14-day trial | 500 forever |
| Agent-native | No | No | No | Yes (A2A, MCP) |