Hunter | Composio Docs

Overview

SLUG: HUNTER

Description

Hunter is an email marketing company specializing in lead generation and data enrichment.

Authentication Details

API Key

generic_api_key

stringRequired

Connecting to Hunter

Create an auth config

Use the dashboard to create an auth config for the Hunter toolkit. This allows you to connect multiple Hunter accounts to Composio for agents to use.

Select App

Navigate to Hunter.

Configure Auth Config Settings

Select among the supported auth schemes of and configure them here.

Create and Get auth config ID

Click “Create Hunter Auth Config”. After creation, copy the displayed ID starting with ac_. This is your auth config ID. This is not a sensitive ID — you can save it in environment variables or a database. This ID will be used to create connections to the toolkit for a given user.

Connect Your Account

Using API Key

1 from composio import Composio
2 
3 # Replace these with your actual values
4 hunter_auth_config_id = "ac_YOUR_HUNTER_CONFIG_ID" # Auth config ID created above
5 user_id = "0000-0000-0000"  # UUID from database/app
6 
7 composio = Composio()
8 
9 def authenticate_toolkit(user_id: str, auth_config_id: str):
10     # Replace this with a method to retrieve an API key from the user.
11     # Or supply your own.
12     user_api_key = input("[!] Enter API key")
13 
14     connection_request = composio.connected_accounts.initiate(
15         user_id=user_id,
16         auth_config_id=auth_config_id,
17         config={"auth_scheme": "API_KEY", "val": {"generic_api_key": user_api_key}}
18     )
19 
20     # API Key authentication is immediate - no redirect needed
21     print(f"Successfully connected Hunter for user {user_id}")
22     print(f"Connection status: {connection_request.status}")
23     
24     return connection_request.id
25 
26 
27 connection_id = authenticate_toolkit(user_id, hunter_auth_config_id)
28 
29 # You can verify the connection using:
30 connected_account = composio.connected_accounts.get(connection_id)
31 print(f"Connected account: {connected_account}")

Tools

Executing tools

To prototype you can execute some tools to see the responses and working on the Hunter toolkit’s playground

OpenAI (Python)

Anthropic (TypeScript)

Google (Python)

Vercel (TypeScript)

Python

1 from composio import Composio
2 from openai import OpenAI
3 import json
4 
5 openai = OpenAI()
6 composio = Composio()
7 
8 # User ID must be a valid UUID format
9 user_id = "0000-0000-0000"  # Replace with actual user UUID from your database
10 
11 tools = composio.tools.get(user_id=user_id, toolkits=["HUNTER"])
12 
13 print("[!] Tools:")
14 print(json.dumps(tools))
15 
16 def invoke_llm(task = "What can you do?"):
17     completion = openai.chat.completions.create(
18         model="gpt-4o",
19         messages=[
20             {
21                 "role": "user",
22                 "content": task,  # Your task here!
23             },
24         ],
25         tools=tools,
26     )
27 
28     # Handle Result from tool call
29     result = composio.provider.handle_tool_calls(user_id=user_id, response=completion)
30     print(f"[!] Completion: {completion}")
31     print(f"[!] Tool call result: {result}")
32 
33 invoke_llm()

Tool List

HUNTER_ACCOUNT_INFORMATION

Tool Name: Account Information

Description

Tool to retrieve information about your hunter account. use when you need to check your plan details and usage limits after confirming credentials.

Action Parameters

Action Response

data

objectRequired

error

string

successful

booleanRequired

HUNTER_COMPANY_ENRICHMENT

Tool Name: Company Enrichment

Description

Tool to get enrichment information for a company by its domain. use when you need full company details (industry, description, location, metrics) from hunter.

Action Parameters

clearbit_format

string

domain

stringRequired

Action Response

data

objectRequired

error

string

meta

objectRequired

successful

booleanRequired

HUNTER_CREATE_CUSTOM_ATTRIBUTE

Tool Name: Create custom lead attribute

Description

Tool to create a new custom lead attribute in your account. use after deciding on the attribute label.

Action Parameters

label

stringRequired

Action Response

data

objectRequired

error

string

successful

booleanRequired

HUNTER_CREATE_LEAD

Tool Name: Create Lead

Description

Tool to create a new lead. use after gathering all prospect details to save them to your hunter account.

Action Parameters

company

string

company_industry

string

company_size

string

confidence_score

integer

country_code

string

custom_attributes

object

stringRequired

first_name

string

last_name

string

leads_list_id

integer

leads_list_ids

array

linkedin_url

string

notes

string

phone_number

string

position

string

source

string

twitter

string

website

string

Action Response

data

objectRequired

error

string

successful

booleanRequired

HUNTER_CREATE_LEADS_LIST

Tool Name: Create Leads List

Description

Tool to create a new leads list. use when you need to organize leads into a custom list before adding leads.

Action Parameters

name

stringRequired

Action Response

data

objectRequired

error

string

successful

booleanRequired

HUNTER_DELETE_CUSTOM_ATTRIBUTE

Tool Name: Delete Custom Attribute

Description

Tool to delete an existing custom attribute. use after confirming the attribute id to be removed.

Action Parameters

integerRequired

Action Response

data

objectRequired

error

string

successful

booleanRequired

HUNTER_DELETE_LEAD

Tool Name: Delete Lead

Description

Tool to delete a lead. use after confirming the lead's id to remove it from your hunter.io account.

Action Parameters

integerRequired

Action Response

data

objectRequired

error

string

successful

booleanRequired

HUNTER_DELETE_LEADS_LIST

Tool Name: Delete Leads List

Description

Tool to delete a leads list by its id. use after confirming the leads list id to remove it from your hunter.io account.

Action Parameters

integerRequired

Action Response

data

objectRequired

error

string

successful

booleanRequired

HUNTER_DOMAIN_SEARCH

Tool Name: Domain Search

Description

Tool to search all email addresses for a given domain or company. use when you need public emails and metadata for outreach or enrichment.

Action Parameters

company

string

department

array

domain

string

limit

integer

offset

integer

required_field

array

seniority

array

type

string

Action Response

data

objectRequired

error

string

meta

objectRequired

successful

booleanRequired

HUNTER_EMAIL_FINDER

Tool Name: Email Finder

Description

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.

Action Parameters

company

string

domain

string

first_name

string

full_name

string

last_name

string

max_duration

integerDefaults to 10

Action Response

data

objectRequired

error

string

meta

objectRequired

successful

booleanRequired

HUNTER_EMAIL_VERIFIER

Tool Name: Email Verifier

Description

Tool to verify the deliverability of an email address. use when you need to ensure an address is valid and reachable.

Action Parameters

Required

Action Response

data

objectRequired

error

string

meta

objectRequired

successful

booleanRequired

HUNTER_GET_CUSTOM_ATTRIBUTE

Tool Name: Get Custom Attribute

Description

Tool to retrieve details of a specific custom attribute. use when you need the label and slug for an attribute id.

Action Parameters

integerRequired

Action Response

data

objectRequired

error

string

successful

booleanRequired

HUNTER_GET_LEAD

Tool Name: Get Lead

Description

Tool to retrieve details of a specific lead by id. use after confirming the lead's id to fetch its full record.

Action Parameters

integerRequired

Action Response

data

objectRequired

error

string

successful

booleanRequired

HUNTER_GET_LEADS_LIST

Tool Name: Get Leads List

Description

Tool to retrieve details of a specific leads list by id. use when you need to inspect the contents of an existing leads list.

Action Parameters

integerRequired

limit

integerDefaults to 20

offset

integer

Action Response

data

objectRequired

error

string

meta

objectRequired

successful

booleanRequired

HUNTER_LIST_CUSTOM_ATTRIBUTES

Tool Name: List Custom Attributes

Description

Tool to list all custom lead attributes in your account. use when you need to retrieve your account's custom lead attributes after authenticating.

Action Parameters

Action Response

data

objectRequired

error

string

meta

objectRequired

successful

booleanRequired

HUNTER_LIST_LEADS

Tool Name: List Leads

Description

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.

Action Parameters

company

string

country_code

string

created_at

string

custom_attributes

array

string

first_name

string

last_activity_at

string

last_contacted_at

string

last_name

string

leads_list_id

integer

limit

integerDefaults to 20

linkedin_url

string

max_confidence_score

integer

min_confidence_score

integer

offset

integer

phone_number

string

position

string

query

string

twitter

string

website

string

Action Response

data

objectRequired

error

string

meta

objectRequired

successful

booleanRequired

HUNTER_LIST_LEADS_LISTS

Tool Name: List Leads Lists

Description

Tool to list all leads lists in your account. use when you need to retrieve and paginate through your leads lists.

Action Parameters

limit

integerDefaults to 20

offset

integer

Action Response

data

objectRequired

error

string

meta

objectRequired

successful

booleanRequired

HUNTER_UPDATE_CUSTOM_ATTRIBUTE

Tool Name: Update Custom Attribute

Description

Tool to update an existing custom attribute's label. use when renaming a custom attribute after creation.

Action Parameters

integerRequired

label

stringRequired

Action Response

data

objectRequired

error

string

successful

booleanRequired

HUNTER_UPDATE_LEAD

Tool Name: Update Lead

Description

Tool to update details of an existing lead by id. use when you need to modify saved lead attributes after creation.

Action Parameters

company

string

company_industry

string

company_size

string

confidence_score

integer

country_code

string

custom_attributes

object

string

first_name

string

integerRequired

last_name

string

leads_list_id

integer

leads_list_ids

array

linkedin_url

string

notes

string

phone_number

string

position

string

source

string

twitter

string

website

string

Action Response

data

objectRequired

error

string

successful

booleanRequired

HUNTER_UPDATE_LEADS_LIST

Tool Name: Update Leads List

Description

Tool to update the name of a specific leads list. use when renaming an existing leads list.

Action Parameters

integerRequired

name

stringRequired

Action Response

data

objectRequired

error

string

successful

booleanRequired

HUNTER_UPSERT_LEAD

Tool Name: Upsert Lead

Description

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.

Action Parameters

company

string

company_industry

string

company_size

string

confidence_score

integer

country_code

string

custom_attributes

object

stringRequired

first_name

string

last_name

string

leads_list_id

integer

leads_list_ids

array

linkedin_url

string

notes

string

phone_number

string

position

string

source

string

twitter

string

website

string

Action Response

data

objectRequired

error

string

successful

booleanRequired