Hunter Leads API

Lead management.

Operations 6

GET /leads Hunter List Leads #
POST /leads Hunter Create Lead #
PUT /leads Hunter Upsert Lead #
GET /leads/{id} Hunter Get Lead #
PATCH /leads/{id} Hunter Update Lead #
DELETE /leads/{id} Hunter Delete Lead #

Documentation

Specifications

Schemas & Data

Other Resources

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this
  • find_apisBrowse and filter every API in the catalog.
  • get_api_artifactsOne API's artifacts, grouped by type.
  • get_openapiThe primary OpenAPI for this API.
  • find_similar_apisAPIs that look like this one.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This API
curl "https://apis.io/api/v1/apis/hunter-io-leads-api"
All apis
curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

A second provider on the same verified email joins the account you already have.

OpenAPI Specification

hunter-io-leads-api-openapi.yml Raw ↑
openapi: 3.2.0
info:
  title: Hunter Account Leads API
  description: 'Returns information about your Hunter account: plan name and level, reset date for credits, team identifier, and per-meter usage counters (searches, verifications, credits).

    '
  version: v2
  contact:
    name: Hunter Support
    url: https://hunter.io/contact
servers:
- url: https://api.hunter.io/v2
  description: Production
security:
- ApiKeyQuery: []
- ApiKeyHeader: []
- BearerAuth: []
tags:
- name: Leads
  description: Lead management.
paths:
  /leads:
    get:
      summary: Hunter List Leads
      description: List leads with optional filters and pagination.
      operationId: listLeads
      tags:
      - Leads
      parameters:
      - name: leads_list_id
        in: query
        schema:
          type: integer
      - name: email
        in: query
        schema:
          type: string
          format: email
      - name: first_name
        in: query
        schema:
          type: string
      - name: last_name
        in: query
        schema:
          type: string
      - name: company
        in: query
        schema:
          type: string
      - name: sync_status
        in: query
        schema:
          type: string
          enum:
          - pending
          - error
          - success
      - name: verification_status
        in: query
        schema:
          type: string
      - name: query
        in: query
        description: Free-text search across name and email.
        schema:
          type: string
      - name: limit
        in: query
        schema:
          type: integer
          default: 20
          minimum: 1
          maximum: 1000
      - name: offset
        in: query
        schema:
          type: integer
          default: 0
          maximum: 100000
      - $ref: '#/components/parameters/ApiKeyQuery'
      responses:
        '200':
          description: A page of leads.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/LeadList'
    post:
      summary: Hunter Create Lead
      description: Add a new lead.
      operationId: createLead
      tags:
      - Leads
      parameters:
      - $ref: '#/components/parameters/ApiKeyQuery'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/LeadInput'
      responses:
        '201':
          description: Created lead.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/LeadResponse'
    put:
      summary: Hunter Upsert Lead
      description: Create or update a lead by email match.
      operationId: upsertLead
      tags:
      - Leads
      parameters:
      - $ref: '#/components/parameters/ApiKeyQuery'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/LeadInput'
      responses:
        '200':
          description: Upserted lead.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/LeadResponse'
  /leads/{id}:
    parameters:
    - name: id
      in: path
      required: true
      schema:
        type: integer
    - $ref: '#/components/parameters/ApiKeyQuery'
    get:
      summary: Hunter Get Lead
      description: Retrieve a single lead by id.
      operationId: getLead
      tags:
      - Leads
      responses:
        '200':
          description: Lead detail.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/LeadResponse'
        '404':
          $ref: '#/components/responses/Error'
    patch:
      summary: Hunter Update Lead
      description: Update lead attributes.
      operationId: updateLead
      tags:
      - Leads
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/LeadInput'
      responses:
        '200':
          description: Updated lead.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/LeadResponse'
    delete:
      summary: Hunter Delete Lead
      description: Delete a lead.
      operationId: deleteLead
      tags:
      - Leads
      responses:
        '204':
          description: Deleted.
components:
  schemas:
    LeadList:
      type: object
      properties:
        data:
          type: object
          properties:
            leads:
              type: array
              items:
                $ref: '#/components/schemas/Lead'
        meta:
          type: object
          properties:
            count:
              type: integer
            total:
              type: integer
    Lead:
      allOf:
      - $ref: '#/components/schemas/LeadInput'
      - type: object
        properties:
          id:
            type: integer
          sync_status:
            type: string
          sending_status:
            type: string
          verification:
            type: object
            properties:
              status:
                type: string
              date:
                type: string
                format: date-time
          leads_list:
            type: object
            properties:
              id:
                type: integer
              name:
                type: string
          created_at:
            type: string
            format: date-time
          last_activity_at:
            type: string
            format: date-time
          last_contacted_at:
            type: string
            format: date-time
    Error:
      type: object
      properties:
        errors:
          type: array
          items:
            type: object
            properties:
              id:
                type: string
              code:
                type: integer
              details:
                type: string
    LeadResponse:
      type: object
      properties:
        data:
          $ref: '#/components/schemas/Lead'
    LeadInput:
      type: object
      required:
      - email
      properties:
        email:
          type: string
          format: email
        first_name:
          type: string
        last_name:
          type: string
        position:
          type: string
        company:
          type: string
        company_industry:
          type: string
        company_size:
          type: string
        confidence_score:
          type: integer
          minimum: 0
          maximum: 100
        website:
          type: string
          format: uri
        country_code:
          type: string
        linkedin_url:
          type: string
          format: uri
        phone_number:
          type: string
        twitter:
          type: string
        notes:
          type: string
        source:
          type: string
        leads_list_id:
          type: integer
        leads_list_ids:
          type: array
          items:
            type: integer
        custom_attributes:
          type: object
          additionalProperties:
            type: string
  responses:
    Error:
      description: Error response.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
  parameters:
    ApiKeyQuery:
      name: api_key
      in: query
      required: true
      description: Your Hunter API key.
      schema:
        type: string
  securitySchemes:
    ApiKeyQuery:
      type: apiKey
      in: query
      name: api_key
    ApiKeyHeader:
      type: apiKey
      in: header
      name: X-API-KEY
    BearerAuth:
      type: http
      scheme: bearer