Cold email software · tied for 20th of 35 · 2026
Coldrig pricing and review
coldrig.dev · Sequencer with built-in inboxes · founded 2026 · Visit site ↗
- Deliverability25/40
- Workflow8/30
- API & AI15/15
- Buying terms15/15
Why it ranks here
Cold email software that also sells Google Workspace inboxes. One account covers a unified inbox. Deliverability: automatic SPF/DKIM/DMARC and replacement of burned inboxes. It has a public API and an official MCP server for automation.
Key features
- Ongoing warm-up in the price
- A public API
- A unified inbox
- Inboxes for sale inside the tool
- An official MCP server
Best for
Teams that want to buy inboxes and run campaigns in the same account.
Pricing
- Per inbox
- $16.33
- At volume
- $5.57
- Minimum order
- 3 inboxes
- Cheapest plan
- $49/mo
- Domain (.com)
- $0/yr
Monthly billing. Pricing page ↗ · checked Oct 31, 2026
Scorecard
| DeliverabilityBuilt-in protection for sender reputation, and inboxes you can buy in the same account. | 25/40 | ||
|---|---|---|---|
| WorkflowWhat you can do in one product: replies, AI, leads, clients. | 8/30 | ||
| API and AI agentsAutomation from code or an AI assistant. | 15/15 | ||
| Buying termsHow much you risk before you know it works. | 15/15 | ||
| Total | 63/100 | 13 of 16 conditions checked |
The evidence
Every condition, what the vendor's own site says, and where.
| Deliverability | |||
|---|---|---|---|
Ongoing warm-up included in the priceConfirmedMailbox setup, DNS records, and warmup progress ... bundled at no extra charge | source ↗ | 9/9 | |
| Inbox placement or spam testsNot found on site | 0/7 | ||
Sells inboxes inside the productConfirmedreal sending from your Google Workspace mailboxes | source ↗ | 7/7 | |
| Dedicated IP optionNot found on site | 0/5 | ||
Automatic SPF, DKIM and DMARC setupConfirmedMailbox setup, DNS records, and warmup progress | source ↗ | 5/5 | |
Replacement of burned inboxes or domainsConfirmeda burned domain is contained and the platform's deliverability control loop can detect and replace it automatically | source ↗ | 4/4 | |
Pre-warmed inboxesNot offeredTypically, first emails go out the same day you go live... each mailbox reaches full speed after about four weeks of warm-up. | source ↗ | 0/3 | |
| Workflow | |||
Unified inbox for repliesConfirmedCampaign sequencing, replies, and unified activity | source ↗ | 8/8 | |
AI writing or AI reply handlingNot offeredThere is no built-in AI copywriter or autonomous 'AI SDR' here. | source ↗ | 0/8 | |
| Built-in lead databaseNot found on site | 0/7 | ||
| Multi-client workspaces or white-labelNot found on site | 0/7 | ||
| API and AI agents | |||
Public APIConfirmedOne API key across MCP, HTTP, and CLI... 36 curated tools | source ↗ | 9/9 | |
Official MCP serverConfirmedConnect Codex, Claude Code, Cursor, or any MCP/HTTP-capable agent... hosted MCP endpoint | source ↗ | 6/6 | |
| Buying terms | |||
Prices published on the siteConfirmed$49 a month covers your first 3 mailboxes, and each extra mailbox is $5 a month | source ↗ | 5/5 | |
Free plan, free trial or money-back guaranteeConfirmedTry free test mode | source ↗ | 6/6 | |
Monthly billing availableConfirmedno contract or commitment... cancel-anytime | source ↗ | 4/4 | |
Alternatives to Coldrig
Where we checked
- coldrig.dev/pricing
- coldrig.dev/faq
- coldrig.dev/
- coldrig.dev/guide-cold-email-with-ai-agent
- coldrig.dev/compare
Only the vendor's own public pages. We do not use third-party reviews or ratings. Something wrong? Send a correction.
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