Integration · Marketing

Connect Claude & ChatGPT to Hunter

Ask your AI to find someone's work email in Hunter, check that it is deliverable, and save the person as a lead. It can search a company domain for email addresses, discover companies that match your criteria, enrich people and companies, and read your lead lists and sequence results. You get contact details without switching between the Hunter tools.

Connect Hunter.io free

Free plan, no credit card. Takes about a minute.

Try asking

“Find the work email for Jonas Holm at nordicfoods.com.”
The AI looks up the email from his name and the company domain and returns the address Hunter finds.
“Is [email protected] a valid address?”
It verifies the email and tells you whether it is valid and deliverable.
“Which people in sales at acme.com does Hunter have emails for?”
It runs a domain search filtered by the sales department and lists the addresses with names and positions.

What your AI can do

Find and verify emails

Find a person's work email from name and company, search a domain for addresses, count emails for a domain and verify that an address is deliverable.

Enrichment and discovery

Enrich a person, a company or both from an email or domain, find a company's domain from its name, and discover companies by industry, headcount, keywords or location.

Leads and sequences

Save and look up leads, read lead lists, and see your sequences with recipients and sends, opens, clicks and replies.

“Find logistics companies in Germany with 50 to 200 employees.”
It discovers companies from your description with industry, headcount and location filters and lists the matches.
“Save these three people as leads in the list Trade fair 2026.”
It saves the leads by email with name, position and company in the lead list, and updates any that already exist.
“How is my Autumn outreach sequence doing?”
It finds the sequence and reads its sends, opens, clicks and replies.

163 tools for Hunter.io

These tools are switched on when you connect. You can switch any of them off, or require your approval before it runs.

archive_sequenceVisible to othersArchive a sequence (sequence id). Has effects visible outside this system.
check_lead_existsCheck whether a lead with this email is already saved.
count_emailsVisible to othersCount how many email addresses Hunter has for a domain or company. Free; doesn't use credits.
create_a_company_list_folderChanges dataCreate a new folder. API summary: Create a company list folder.
create_a_company_tagChanges dataCreate a new company tag. API summary: Create a company tag.
create_a_lead_list_folder_hyphen_aliasChanges dataCreate a new folder. API summary: Create a lead list folder (hyphen alias).
create_a_lead_list_hyphen_aliasChanges dataCreate a new leads list. API summary: Create a lead list (hyphen alias).
create_a_lead_tagChanges dataCreate a new tag. API summary: Create a lead tag.
create_a_leads_import_from_csv_dataChanges dataCreate a new lead. Required: csv data. API summary: Create a leads import from CSV data.
create_api_keyChanges dataCreate a new api key. API summary: Create an API key.
create_campaign_follow_upChanges dataCreate a new follow up for a campaign. API summary: Add a campaign follow-up step.
create_campaign_recipientChanges dataCreate a new recipient for a campaign. API summary: Add campaign recipients.
create_campaign_startChanges dataCreate a new start for a campaign. API summary: Start a campaign.
create_companyChanges dataCreate a new company. Search companies first to avoid duplicates. API summary: Save a company.
create_company_listChanges dataCreate a new company list. API summary: Create a company list.
create_company_list_companyChanges dataCreate a new company for a company list. Search companies first to avoid duplicates. API summary: Add a company to a company list.
create_company_list_favoriteChanges dataCreate a new favorite for a company list. API summary: Favorite a company list.
create_company_tagChanges dataCreate a new tag for a company. API summary: Tag a saved company.
create_connected_app_pushChanges dataCreate a new push for a connected app. API summary: Push data to a connected app.
create_contactChanges dataCreate a new contact. Search contacts first to avoid duplicates. API summary: Discover people using request-body filters.
create_domain_finderChanges dataCreate a new domain finder. Required: body company. Search domain finders first to avoid duplicates. API summary: Find the domain for a company via POST.
create_domain_searchChanges dataCreate a new domain search. Search domain searches first to avoid duplicates. API summary: Find email addresses by domain using request-body parameters.
create_feedbackChanges dataCreate a new feedback. API summary: Submit product feedback.
create_folderChanges dataCreate a new folder. API summary: Create a lead list folder.
create_foundVisible to othersCreate a new found. Search founds first to avoid duplicates. Has effects visible outside this system. API summary: Get a previously found email address via POST.
create_leadChanges dataCreate a new lead. API summary: Create a lead.
create_lead_enrichChanges dataCreate a new enrich for a lead. API summary: Enrich a lead.
create_lead_tagChanges dataCreate a new tag for a lead. API summary: Tag a lead.
create_leads_custom_attributeChanges dataCreate a new leads custom attribute. API summary: Create a lead custom attribute.
create_leads_listChanges dataCreate a new leads list. API summary: Create a lead list.
create_leads_list_favoriteChanges dataCreate a new favorite for a leads list. API summary: Favorite a lead list.
create_leads_list_favorite_favorite_lead_list_hyphenChanges dataCreate a new favorite for a leads list. API summary: Favorite a lead list (hyphen alias).
create_messageVisible to othersCreate a new message. Has effects visible outside this system. API summary: Send a one-off message.
create_message_templateVisible to othersCreate a new message template. Has effects visible outside this system. API summary: Create a message template.
create_moveVisible to othersCreate a new move. Has effects visible outside this system. API summary: Move leads to another list in bulk.
create_multi_domain_searchChanges dataCreate a new multi domain search. API summary: Multi-domain search.
create_revealChanges dataCreate a new reveal. API summary: Reveal emails from a multi-domain search.
create_sequenceChanges dataCreate a new sequence. API summary: Create a sequence.
create_sequence_follow_upChanges dataCreate a new follow up for a sequence. API summary: Add a sequence follow-up step.
create_sequence_pauseChanges dataCreate a new pause for a sequence. API summary: Pause a sequence.
create_sequence_recipientChanges dataCreate a new recipient for a sequence. API summary: Add sequence recipients.
create_sequence_startChanges dataCreate a new start for a sequence. API summary: Start a sequence.
create_sequence_testChanges dataCreate a new test for a sequence. Required: email. API summary: Send a test email for every step of a sequence.
create_tagVisible to othersCreate a new tag. Has effects visible outside this system. API summary: Tag companies in bulk.
create_viewChanges dataCreate a new view. API summary: Create a saved discover view.
create_webhookDeletesCreate a new webhook. Destructive action; may require approval. API summary: Create a webhook.
delete_a_company_list_folderDeletesPermanently delete a folder by folder id. Destructive action; may require approval. API summary: Delete a company list folder.
delete_a_company_tagDeletesPermanently delete a company tag by company tag id. Destructive action; may require approval.
delete_a_lead_list_folder_hyphen_aliasDeletesPermanently delete a folder by folder id. Destructive action; may require approval. API summary: Delete a lead list folder (hyphen alias).
delete_a_lead_list_hyphen_aliasDeletesPermanently delete a leads list by leads list id. Destructive action; may require approval. API summary: Delete a lead list (hyphen alias).
delete_api_keyDeletesPermanently delete a api key by api key id. Destructive action; may require approval. API summary: Delete an API key.
delete_campaign_recipientsMoves moneyPermanently delete a recipient by campaign id. Financial or irreversible action; may require approval. API summary: Remove campaign recipients.
delete_companies_in_bulkMoves moneyPermanently delete a delete. Financial or irreversible action; may require approval. API summary: Delete companies in bulk.
delete_companyDeletesPermanently delete a company by company id. Destructive action; may require approval. API summary: Delete a saved company.
delete_company_listDeletesPermanently delete a company list by company list id. Destructive action; may require approval.
delete_company_list_companyDeletesPermanently delete a company by company id. Destructive action; may require approval. API summary: Remove a company from a company list.
delete_company_list_favoritesMoves moneyPermanently delete a favorite by company list id. Financial or irreversible action; may require approval. API summary: Unfavorite a company list.
delete_company_tagDeletesPermanently delete a tag by tag id. Destructive action; may require approval. API summary: Remove a tag from a saved company.
delete_deletesMoves moneyPermanently delete a delete. Financial or irreversible action; may require approval. API summary: Delete leads in bulk.
delete_folderDeletesPermanently delete a folder by folder id. Destructive action; may require approval. API summary: Delete a lead list folder.
delete_leadDeletesPermanently delete a lead by lead id. Destructive action; may require approval.
delete_lead_tagDeletesPermanently delete a tag by tag id. Destructive action; may require approval. API summary: Remove a tag from a lead.
delete_leads_custom_attributeDeletesPermanently delete a leads custom attribute by leads custom attribute id. Destructive action; may require approval. API summary: Delete a lead custom attribute.
delete_leads_listDeletesPermanently delete a leads list by leads list id. Destructive action; may require approval. API summary: Delete a lead list.
delete_leads_list_favoritesMoves moneyPermanently delete a favorite by leads list id. Financial or irreversible action; may require approval. API summary: Unfavorite a lead list.
delete_leads_list_favorites_unfavorite_lead_list_hyphenMoves moneyPermanently delete a favorite by leads list id. Financial or irreversible action; may require approval. API summary: Unfavorite a lead list (hyphen alias).
delete_message_templateDeletesPermanently delete a message template by message template id. Destructive action; may require approval.
delete_sequenceDeletesPermanently delete a sequence by sequence id. Destructive action; may require approval.
delete_sequence_follow_upDeletesPermanently delete a follow up by follow up id. Destructive action; may require approval. API summary: Delete a sequence follow-up step.
delete_sequence_pausesMoves moneyPermanently delete a pause by sequence id. Financial or irreversible action; may require approval. API summary: Resume a paused sequence.
delete_sequence_recipientsMoves moneyPermanently delete a recipient by sequence id. Financial or irreversible action; may require approval. API summary: Remove sequence recipients.
delete_tagDeletesPermanently delete a tag by tag id. Destructive action; may require approval. API summary: Delete a lead tag.
delete_viewDeletesPermanently delete a view by view id. Destructive action; may require approval. API summary: Delete a saved discover view.
delete_webhookDeletesPermanently delete a webhook by webhook id. Destructive action; may require approval.
delete_webhooksMoves moneyPermanently delete a webhook. Financial or irreversible action; may require approval. API summary: Delete webhooks by identifier (legacy).
discover_companiesChanges dataFind companies matching criteria. Pass a natural-language query, or filters such as industry, headcount, keywords, similar_to, funding or location.
domain_searchFind email addresses at a company by domain (or company name). Filter by type, seniority, department or job_titles.
enrich_companyGet company details (industry, size, location, tech) for a domain.
enrich_personGet public profile details (name, job, company, social links) for an email or linkedin_handle.
enrich_person_and_companyGet both person and company details for an email address in one call.
find_company_domainFind a company's website domain from its company name.
find_emailVisible to othersFind a person's work email from their name (first_name + last_name or full_name) and company domain or name, or a linkedin_handle.
get_a_company_list_folderGet one folder by folder id. API summary: Get a company list folder.
get_a_lead_list_folder_hyphen_aliasGet one folder by folder id. API summary: Get a lead list folder (hyphen alias).
get_a_lead_list_hyphen_aliasGet one leads list by leads list id. API summary: Get a lead list (hyphen alias).
get_accountGet your Hunter account details, plan and remaining search/verification credits.
get_account_2Get one account by account id. API summary: Get an email account.
get_campaign_follow_upGet one follow up for a campaign by follow up id. API summary: Get a campaign follow-up step.
get_companyGet one company by company id. API summary: Get a saved company.
get_company_listGet one company list by company list id. API summary: Get a company list.
get_company_tagGet one company tag by company tag id. API summary: Get a company tag.
get_connected_appGet one connected app by connected app id. API summary: Get a connected app.
get_folderGet one folder by folder id. API summary: Get a lead list folder.
get_leadGet one saved lead by lead_id.
get_leads_custom_attributeGet one leads custom attribute by leads custom attribute id. API summary: Get a lead custom attribute.
get_leads_listGet one lead list by leads_list_id.
get_message_templateGet one message template by message template id. API summary: Get a message template.
get_sequenceGet one sequence by sequence_id with its status and settings.
get_sequence_follow_upGet one follow up for a sequence by follow up id. API summary: Get a sequence follow-up step.
get_sequence_statsGet sends, opens, clicks and replies for a sequence by sequence_id.
get_tagGet one tag by tag id. API summary: Get a lead tag.
get_viewGet one view by view id. API summary: Get a saved discover view.
get_webhookGet one webhook by webhook id. API summary: Get a webhook.
list_account_health_reportsList health reports for a account. API summary: Get an email account health report.
list_account_sequencesList sequences for a account. API summary: List sequences using an email account.
list_account_statsList account stats. API summary: Get account profile summary.
list_account_usagesList usages for a account. API summary: Get an email account usage report.
list_account_warmup_reportsList warmup reports for a account. API summary: Get an email account warmup report.
list_api_keysList api keys.
list_campaign_recipientsList recipients for a campaign. API summary: List campaign recipients.
list_campaignsList campaigns.
list_capacitiesList capacities. API summary: Get email account sending capacities.
list_companiesList companies. API summary: List saved companies.
list_company_list_foldersList folders. API summary: List company list folders.
list_company_listsList company lists.
list_company_tagsList company tags.
list_connected_appsList connected apps.
list_contactsList contacts. API summary: Discover people matching filters.
list_domain_countsList domain counts. API summary: Count domains matching discovery filters.
list_existsList exists. Optional filters: emails. API summary: Check whether leads exist in bulk.
list_foldersList folders. API summary: List lead list folders.
list_historiesList histories. API summary: Get credit usage history.
list_lead_list_folders_hyphen_aliasList folders. API summary: List lead list folders (hyphen alias).
list_lead_lists_hyphen_aliasList leads lists. API summary: List lead lists (hyphen alias).
list_leadsList the leads saved in your Hunter account.
list_leads_custom_attributesList leads custom attributes. API summary: List lead custom attributes.
list_leads_listsList your lead lists.
list_lookalikesList lookalikes. Optional filters: company list id, country or industry. Results are paginated. API summary: Find lookalike companies from a company list.
list_message_templatesList message templates.
list_messagesList messages.
list_sequence_follow_upsList follow ups for a sequence. API summary: List sequence follow-up steps.
list_sequence_recipientsList the recipients of a sequence by sequence_id.
list_sequencesList your email sequences (campaigns).
list_tagsList tags. API summary: List lead tags.
list_usagesList usages. API summary: Get credit usage summary.
list_usersList users. API summary: List team members.
list_viewsList views. API summary: List saved discover views.
list_webhooksList webhooks.
merge_lead_lists_hyphen_aliasVisible to othersMerge a leads list (leads list id). Has effects visible outside this system. API summary: Merge lead lists (hyphen alias).
move_companies_to_another_list_in_bulkVisible to othersCreate a new move. Has effects visible outside this system. API summary: Move companies to another list in bulk.
save_leadsVisible to othersSave one or more leads (create or update by email). Pass leads with email and optional name, position, company and leads_list_id or leads_list_name.
search_domains_suggestionsSearch domains suggestions by query. Use this to find existing domains suggestions before creating a new domains suggestion. Results are paginated. API summary: Suggest domains for a company name.
search_foundsSearch founds by domain, company, first name, last name, full name or linkedin handle. Use this to find existing founds before creating a new found. API summary: Get a previously found email address.
send_accountVisible to othersEmail a account. Has effects visible outside this system. API summary: List email accounts.
send_insightVisible to othersEmail a insight. Has effects visible outside this system. API summary: Get deliverability insight for an email address.
submit_leadDeletesCopy a lead. Destructive action; may require approval. API summary: Copy companies to another list in bulk.
submit_leads_listVisible to othersMerge a leads list (leads list id). Has effects visible outside this system. API summary: Merge lead lists.
update_accountVisible to othersUpdate an existing account identified by account id. Only the fields you pass are changed. Has effects visible outside this system. API summary: Update an email account.
update_accountsVisible to othersUpdate an existing account. Has effects visible outside this system. API summary: Update account details.
update_api_keyChanges dataUpdate an existing api key identified by api key id. Only the fields you pass are changed. API summary: Update an API key.
update_company_listChanges dataUpdate an existing company list identified by company list id. Only the fields you pass are changed. API summary: Update a company list.
update_company_tagChanges dataUpdate an existing company tag identified by company tag id. Only the fields you pass are changed. API summary: Update a company tag.
update_folderChanges dataUpdate an existing folder identified by folder id. Only the fields you pass are changed. API summary: Update a lead list folder.
update_leadChanges dataUpdate an existing lead identified by lead id. Only the fields you pass are changed. API summary: Update a lead.
update_leadsVisible to othersUpdate an existing lead. Has effects visible outside this system. API summary: Upsert a lead.
update_leads_custom_attributeChanges dataUpdate an existing leads custom attribute identified by leads custom attribute id. Only the fields you pass are changed. API summary: Update a lead custom attribute.
update_leads_listChanges dataUpdate an existing leads list identified by leads list id. Only the fields you pass are changed. API summary: Update a lead list.
update_message_templateVisible to othersUpdate an existing message template identified by message template id. Only the fields you pass are changed. Has effects visible outside this system. API summary: Update a message template.
update_sequenceChanges dataUpdate an existing sequence identified by sequence id. Only the fields you pass are changed. API summary: Update a sequence.
update_sequence_follow_upChanges dataUpdate an existing follow up identified by follow up id. Only the fields you pass are changed. API summary: Update a sequence follow-up step.
update_tagChanges dataUpdate an existing tag identified by tag id. Only the fields you pass are changed. API summary: Update a lead tag.
update_webhookDeletesUpdate an existing webhook identified by webhook id. Only the fields you pass are changed. Destructive action; may require approval. API summary: Update a webhook.
verify_emailVisible to othersCheck whether an email address is valid and deliverable.

Set up in three steps

1
Pick the app
Create a free HeyMyApps account and choose Hunter.io from the app list.
2
Paste your key
Paste a Hunter API key. Sign in to Hunter and open API keys in your dashboard (hunter.io/api-keys) to copy an existing key or create a new one.
3
Add the link to your AI
You get a personal MCP link. Add it to Claude, ChatGPT or Cursor:
1. Click your name, then Settings › Connectors › Add custom connector.
2. Paste your link as the Remote MCP server URL.
3. Switch it on from the + menu in a chat.

Questions

What can the AI do in Hunter?

The AI can find and verify email addresses, search a domain, count emails, enrich people and companies, find company domains and discover companies. It can read your leads, lead lists, sequences, sequence recipients and stats, check your account and remaining credits, and save leads.

Does the AI see my Hunter API key?

No. Your Hunter API key is encrypted at rest and never shown to the AI. After you save it, it is not shown again, not even to you. The AI only sees the results of the tools it calls.

Can I control what the AI is allowed to do?

Yes. You choose which tools are switched on. Finding and verifying emails and saving leads can require your approval before they run, so the AI does not spend searches or change your leads without you. Every tool call is logged.

Does it work with ChatGPT?

Yes. In ChatGPT go to Settings › Apps & Connectors › Advanced and turn on Developer mode, then add your HeyMyApps link. Developer mode needs a paid ChatGPT plan: Plus, Pro, Business or Enterprise. The same link also works in Claude (Settings › Connectors › Add custom connector), Cursor and other MCP clients.

What does it cost?

HeyMyApps has a free plan with no credit card required. Paid plans bill per completed task. You also need your own Hunter account, and searches and verifications use your Hunter credits.

Can the AI check how many Hunter credits I have left?

Yes. The AI can read your Hunter account details, including your plan and remaining search and verification credits. Counting the emails for a domain is free and does not use credits, so the AI can check whether a domain is worth searching first.