Smartlead

Agency-shaped cold email: unlimited mailboxes, API, and white-label — Instantly's more ops-native cousin for shops that sell sending as a service.

Product preview

Overview

Smartlead is Instantly for people who resell the send: unlimited boxes, an API, a white label. lemlist is creative; Instantly is the productized sender; this is the agency OS.

You will still fight spam folders. Clients will still blame you. If you run outreach for others, this is the stack. If you run it for one company, Instantly may be simpler.

Pros / Cons

Pros

Unlimited boxes for agency volume
API and white-label
Deliverability tooling included
Priced for people who resell sending

Cons

Spam folders still exist
Overkill for a single-company sender
Overlaps Instantly

Who it's for

Running cold email as a service

White-label sending for clients

API sequences at agency volume

Warmup fleets you do not want to see

Bottom line

Cold email for agencies — Smartlead if you resell the send, Instantly if you send for one logo.

Key Features

Unlimited mailboxes

API and agency white-label

Warmup and deliverability

AI sequences

Built for sending as a service

Compare Smartlead with alternatives

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Frequently asked questions

What is Smartlead?

Smartlead is a Productivity tool developed by Smartlead. The company was founded in 2022 and is headquartered in Delaware, USA. Agency-shaped cold email: unlimited mailboxes, API, and white-label — Instantly's more ops-native cousin for shops that sell sending as a service.