Account Information
Tool to retrieve information about your Hunter account. Use when you need to check your plan details and usage limits after confirming credentials. Returns `searches.available` and `verifications.available` fields among others; check these before bulk operations to avoid quota exhaustion.
Combined Enrichment
Tool to find both person and company information from an email address or LinkedIn handle in a single request. Use when you need complete professional profile enrichment including employment and company details.
Company Enrichment
Tool to get enrichment information for a company by its domain. Use when you need full company details (industry, description, location, metrics) from Hunter.
Create custom lead attribute
Tool to create a new custom lead attribute in your account. Use after deciding on the attribute label.
Create Lead
Tool to create a new lead. Use after gathering all prospect details to save them to your Hunter account.
Create Leads List
Tool to create a new leads list. Use when you need to organize leads into a custom list before adding leads.
Delete Custom Attribute
Tool to delete an existing custom attribute. Use after confirming the attribute ID to be removed.
Delete Lead
Tool to delete a lead. Use after confirming the lead's ID to remove it from your Hunter.io account.
Delete Leads List
Tool to delete a leads list by its ID. Use after confirming the leads list ID to remove it from your Hunter.io account.
Discover Companies
Tool to search and retrieve companies matching specified criteria using filters or natural language queries. Use when you need to discover companies from Hunter's B2B dataset based on industry, location, size, or other characteristics.
Domain Search
Tool to search all email addresses for a given domain or company. Use when you need public emails and metadata for outreach or enrichment. Rate-limited; HTTP 429 returned on excess requests — honor the Retry-After header.
Email Count
Tool to get the total number of email addresses Hunter has for a domain or company with breakdowns by type, department, and seniority. Use when you need email volume statistics without consuming API credits (this call is free).
Email Finder
Tool to find the most likely email address for a person at a domain or company. Use when you have a person's name and a domain or company and need to infer their email. Results include a confidence score and status; treat emails with status 'accept_all' or 'risky' as lower reliability. Each call consumes API credits — avoid re-enriching the same contact.
Email Verifier
Tool to verify the deliverability of an email address. Use when you need to ensure an address is valid and reachable. Response may include statuses `accept_all` or `risky`, indicating uncertain deliverability; do not treat these as fully valid without explicit review. For bulk verification, honor `Retry-After` headers on HTTP 429 responses and use exponential backoff.
Get Custom Attribute
Tool to retrieve details of a specific custom attribute. Use when you need the label and slug for an attribute ID.
Get Lead
Tool to retrieve details of a specific lead by ID. Use after confirming the lead's ID to fetch its full record.
Get Leads List
Tool to retrieve details of a specific leads list by ID. Use when you need to inspect the contents of an existing leads list.
List Campaigns
Tool to get all email campaigns in your Hunter account. Campaigns are returned in reverse-chronological order by creation date. Use when you need to retrieve and filter campaigns by status (started/archived) with pagination support.
List Custom Attributes
Tool to list all custom lead attributes in your account. Use when you need to retrieve your account's custom lead attributes after authenticating.
List Leads
Tool to list all leads saved in your account with optional filters. Use when you need to retrieve leads with specific criteria after confirming your API key.
List Leads Lists
Tool to list all leads lists in your account. Use when you need to retrieve and paginate through your leads lists.
People Enrichment
Tool to find all information associated with an email address or LinkedIn profile including name, location, job title and social handles. Use when you need to enrich contact data with additional personal and professional details.
Update Custom Attribute
Tool to update an existing custom attribute's label. Use when renaming a custom attribute after creation.
Update Lead
Tool to update details of an existing lead by ID. Use when you need to modify saved lead attributes after creation.
Update Leads List
Tool to update the name of a specific leads list. Use when renaming an existing leads list.
Upsert Lead
Tool to create or update a lead by email in one call. Use when you want to ensure a lead exists with the provided information without checking its existence first.