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Hunter

Find contacts, send cold email at scale.

Data & Discovery
For AI agents
MCPAPINative readiness
About

What is Hunter

Hunter.io finds and verifies professional email addresses by domain, runs bulk lookups across large prospect lists, and lets users build and send cold email sequences from a single workspace. It's built for SDRs, BDRs, and founders at SMBs and mid-market companies who need to move from a target account list to a live outreach campaign without stitching together multiple tools. The standout capability is bulk domain search — you can feed it a list of companies and get back verified contact data at scale, which compresses the prospecting-to-send cycle considerably. It connects natively to Salesforce, HubSpot, Pipedrive, and Zoho, and syncs outward via Zapier to 5,000+ destinations. Where it falls short is depth of data: Hunter surfaces email addresses and basic contact info, but it isn't a full B2B intelligence platform — firmographic enrichment, intent signals, and technographic data live elsewhere.

Data & Discovery
Capabilities

Key features

Email finder

returns verified work emails by name and domain

Native CRM integration

first-party connectors, no middleware required

Webhooks + no-code automation support

fits any iPaaS or workflow chain

Our verdict

Vanderbuild take

For SDRs, BDRs, and founders who need a straightforward path from target domain to verified inbox to sent sequence, Hunter.io covers that loop without requiring a stack of separate tools. The agentic story here is real — Hunter ships a native MCP server, which means AI agents can call email finding and verification directly as part of an orchestrated outbound workflow, not just as a UI task. Pricing starts on a free tier and scales per credit, which is accessible for small teams, though you'll feel the ceiling once volume picks up and credits start moving fast. The honest limitation is data breadth: Hunter is a contact-finding and outreach tool, not a full intelligence layer — if your workflow depends on intent signals, technographics, or deep firmographic enrichment, you'll need to pair it with something else.

Mateusz Sekta
Founder, vanderbuild
Learn more

Our Resources

The wedge

Agentic stack profile

MCP server
Yes

Live MCP server — agents can call this tool directly.

Allows AI to perform email verification, contact enrichment, and company insights. Enables finding professional contacts, managing leads, and conducting personalized outreach via natural language.

Open MCP →
API
REST

Programmatic access available.

REST API — straightforward to call from any agent or workflow tool. Rate limits and auth vary by plan.

API docs →
Agentic readiness
Native

Built for agents from the ground up.

MCP server + agent-friendly API + at least one autonomous workflow out of the box. The bar for 'Native' is high — only a handful of tools currently qualify.

Stack role
Data source · Verifier

Where this tool slots into an agentic pipeline.

Plays the role of Data source + Verifier in an agentic pipeline. Use it to source contacts, companies, and the raw inputs an agent needs to act; validate emails or phones before an agent sends or dials.

Compare

Hunter alternatives

Tools that solve a similar problem — compared at a glance.

Hunter(this tool)
Pricing
Freemium
Budget
$$
Best for
SDR / BDR, Founder
Readiness
Native
MCP
Yes
API
REST
Prospeo
Pricing
Freemium
Budget
$$
Best for
SDR / BDR, Agency
Readiness
Native
MCP
Yes
API
REST
FullEnrich
Pricing
Usage-based
Budget
$
Best for
SDR / BDR, GTM Engineer
Readiness
Native
MCP
Yes
API
REST
Answers

Frequently asked questions

Does Hunter have an MCP server?

Yes — Hunter exposes a Model Context Protocol server. Allows AI to perform email verification, contact enrichment, and company insights. Enables finding professional contacts, managing leads, and conducting personalized outreach via natural language. See the MCP docs at https://mcp.hunter.io.

Does Hunter have a public API?

Yes — Hunter ships a REST API. Docs: https://hunter.io/api-documentation.

How much does Hunter cost?

Hunter: pricing is freemium, expect mid tier ($$) spend. Full pricing page: https://hunter.io/pricing.

Who is Hunter best for?

Hunter is built for SDR / BDR, Founder. Fits SMB (1-50), Mid-market (50-500)-sized teams.

How well does Hunter fit an agentic sales stack?

Tier: Native. Has both an MCP server and an agent-friendly API — drops into an agentic stack with minimal glue code.