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Back to Integrations

Hunter.io

Find and verify professional email addresses

Hunter.io is a Salesintegration for Sim, the AI workspace where teams build and deploy AI agents. Sim's Hunter.io integration provides 6 Hunter.io tools that AI agents can use inside Sim's visual workflow builder. Hunter.io connects with an API key. Free to start at sim.ai.

View docs

Last updated June 12, 2026

Overview

Integrate Hunter into the workflow. Can search domains, find email addresses, verify email addresses, discover companies, find companies, and count email addresses.

How to automate Hunter.io with Sim

  1. 01

    Create a free account

    Sign up at sim.ai in seconds. No credit card required. Your workspace is ready immediately.

  2. 02

    Add a Hunter.io block

    Open your workspace, drag a Hunter.io block onto the workflow builder, and paste in your Hunter.io API key.

  3. 03

    Configure, connect, and run

    Pick the tool you need, wire in an AI agent for reasoning or data transformation, and run. Your Hunter.io automation is live.

Agent templates

Ready-to-use templates featuring Hunter.io. Click any to build it instantly.

Supported tools

6 Hunter.io tools available in Sim

Domain Search

Returns all the email addresses found using one given domain name, with sources.

Email Finder

Finds the most likely email address for a person given their name and company domain.

Email Verifier

Verifies the deliverability of an email address and provides detailed verification status.

Discover Companies

Returns companies matching a set of criteria using Hunter.io AI-powered search.

Find Company

Enriches company data using domain name.

Email Count

Returns the total number of email addresses found for a domain or company.

Frequently asked questions

Sim's Hunter.io integration adds 6 Hunter.io tools to the AI agents you build in Sim's visual workflow builder — no code required. Find and verify professional email addresses. Teams often pair Hunter.io with Enrich and Findymail in the same agent.

You can domain Search, email Finder, email Verifier, discover Companies, and find Company with Hunter.io in Sim, plus 1 more Hunter.io tools listed on this page. Each runs as a tool inside an AI agent block, so an agent can chain Hunter.io with services like Enrich and Findymail and apply LLM reasoning between steps.

Connecting Hunter.io takes about five minutes: (1) Create a free account at sim.ai. (2) Create an agent in your workspace. (3) Drag a Hunter.io block onto the workflow builder. (4) Paste your Hunter.io API key to authenticate — you can find it in your Hunter.io account settings. (5) Pick a tool such as "Domain Search", wire up its inputs, and click Run — your agent is live.

Add a Hunter.io block to your agent and select "Domain Search" as the tool. Returns all the email addresses found using one given domain name, with sources. Fill in the required fields — inputs can reference outputs from earlier steps, such as text generated by an AI block or data fetched from another integration. No code is required.

Enrich

B2B data enrichment and LinkedIn intelligence with Enrich.so

Findymail

Find and verify B2B emails, phones, employees, and company data

Apollo

Search, enrich, and manage contacts with Apollo.io

Vercel

Manage Vercel deployments, projects, and infrastructure

Sim

Start automating Hunter.io today

Build your first AI agent with Hunter.io in minutes. Connect to every tool your team uses. Free to start, no credit card required.