Looking for an Instantly alternative.
GTM and Outreach sends cold email from your own mailboxes, spread through the day, with every reply in one inbox. You can bring your Instantly campaigns and leads across in minutes.
What's different.
| Warm-up | No warm-up network. New mailboxes get a slow start (10, 20, then 30 a day), and every list is checked on upload. Instantly includes a warm-up network. |
|---|---|
| Price | One plan with everything, no tiers or per-mailbox fees. First month free, no card. |
| Paying from India | Rupees, with UPI Autopay, cards or netbanking. |
| API and AI agents | The full product as a REST API, plus an MCP server with 43 tools for Claude, Cursor and other assistants, on the one plan. |
| Choosing providers per campaign | ESP sending: switch Google, Microsoft, Zoho, Yahoo and other providers on or off for each campaign. |
| Honest opens | Apple Mail and security-scanner opens are shown, but never counted. |
| Test before launch | See every step for a real lead, and send yourself a test before launch unlocks. |
About Instantly: based on Instantly's own help pages, checked November 2026. Features change, so check their site for the latest.
Switch in four steps.
- Start your free month and connect your mailboxes.
- Open Integrations, choose Instantly, and paste your Instantly API key.
- Pick campaigns. They arrive as drafts with steps, delays, schedule, spintax, variables and leads.
- Check each draft, send yourself a test, and launch.
People who replied, bounced or unsubscribed in Instantly are not emailed again. Your blocklist comes across too.
Why we skip warm-up.
Google pushed GMass to shut down its warm-up in 2023, and in 2026 the Heatwave blocklist started listing domains for artificial warming. We think a slow start, clean lists and real replies are the safer path.
Run it next to Instantly for a month.
Your first month is free, so you can compare results side by side before you decide.