Instantly.ai
Mailbox warmup and bulk cold email sending platform
- Category
- Email Sending — Cold email sending + warmup
- Plans
- Monthly: Growth $47/mo · Hypergrowth $97/mo · Light Speed $358/mo. Annual billing works out at $37.60 / $77.60 / $286.30. Free trial, no credit card.
- Best for
- Agencies running outbound for multiple clients · Founders sending at volume for the first time · Teams that want warmup and sending in one account
- Integrations
- Zapier · Make · HubSpot · Salesforce · Pipedrive · Clay
- Affiliate program
- PartnerStack — Manual review — a five-minute application; explicitly excludes coupon, cashback and brand-bidding sites
- Commission
- 20-35% · Recurring for the life of the subscription
- Payout
- Paid monthly
- Last verified
- 8 Oct 2026
What Instantly is actually for
Instantly exists to remove the two tools most people buy first: a warmup service and a bulk sender. Warmup, sending, inbox rotation and a unified reply inbox sit behind one login, and Lead Finder means you can go from a cold list to a live campaign without exporting a CSV between vendors.
That bundling is the whole argument. It suits the person who is doing the sending themselves, whose list runs to a few thousand contacts rather than a few hundred thousand, and who would rather pay one bill than assemble four tools. It suits you less if you need hard separation between clients’ domains and inboxes, or if contact data is the thing you actually lack — Lead Finder is useful here, but it is not a data vendor.
What you are paying for
The ladder is Growth at $47, Hypergrowth at $97 and Light Speed at $358 per month, or $37.60, $77.60 and $286.30 on annual billing — roughly a fifth off for paying up front. The steps are not cosmetic: you move up when you need more connected accounts, more daily volume, or the account-level features that sit above Growth.
The number that matters is the tier you land on after two months, not the one on the pricing page. A single campaign runs fine on Growth. Keeping a warmup pool per client domain usually does not. Because the trial needs no card, the sensible sequence is to run one real campaign on it and measure reply rate before committing to anything annual.
How it compares
Against Smartlead the difference is the shape of the plan rather than the feature list: Instantly sells seats and volume, Smartlead sells inboxes. Against Lemlist you are trading personalisation depth for sending infrastructure. If your hard constraint is that two clients must never share infrastructure, that decides the comparison for you. If it is cost per inbox, the other one usually wins.
Verdict
Buy Instantly when you want the shortest path from a list to a running campaign and you are the one running it. Move on when client separation or contact coverage becomes the bottleneck.
What it does well
- Sending, warmup and deliverability tooling live in one subscription, so you are not paying for a separate warmup tool
- Lead Finder and the lead database are built in, which shortens the path from list to inbox
- The entry plan is cheap enough to test properly before committing
Where it falls short
- Cost climbs steeply across tiers — the top plan is roughly ten times the entry plan
- Depth of the CRM features is thinner than a dedicated sales engagement platform
Feature checklist
- Unlimited email accounts
- Email warmup
- AI deliverability optimisation
- Lead Finder
- Unified inbox
- API
Who shouldn’t pick it
- Teams that mainly need contact data
- Anyone who wants a one-time-purchase tool (it is subscription-only)
Before you buy
Check which tier you actually need before committing to annual billing — the step from Growth to Hypergrowth is decided by account count and daily volume, which is exactly what a multi-domain setup runs into.
Instantly.ai FAQ
- How much does Instantly.ai cost?
- Instantly.ai starts at $47 per month. Monthly: Growth $47/mo · Hypergrowth $97/mo · Light Speed $358/mo. Annual billing works out at $37.60 / $77.60 / $286.30. Free trial, no credit card.
- Is there a free trial?
- Yes. Instantly.ai offers a free trial, so you can run a real campaign through it before paying. No card is required to start.
- Does Instantly.ai have an affiliate program?
- Yes. Applications go through PartnerStack, and approval is manual review — a five-minute application; explicitly excludes coupon, cashback and brand-bidding sites. It pays 20–35%, recurring for the life of the subscription.
- Who is Instantly.ai best for?
- Agencies running outbound for multiple clients; Founders sending at volume for the first time; Teams that want warmup and sending in one account. It is a weaker fit if you mainly need teams that mainly need contact data.
Where Instantly.ai fits
- Head to head Instantly vs Smartlead
Instantly and Smartlead compared on real pricing, warmup, inbox limits and agency features — plus which one to pick if you run outreach for clients. - In the stack Best Cold Email Tools for Agencies
The all-in-one alternative — Lead generation agencies