FullEnrich Reverse Email Lookup API

openapi: 3.0.3
info:
  title: FullEnrich Account Reverse Email Lookup API
  description: FullEnrich finds verified B2B business emails and mobile phone numbers by running a waterfall across 15+ data vendors. Submit contacts by first name, last name and company (domain or company name) — optionally with a LinkedIn URL — for bulk enrichment, then retrieve results by polling or via webhook. Credits are only consumed when data is found.
  termsOfService: https://fullenrich.com/terms
  contact:
    name: FullEnrich Support
    url: https://docs.fullenrich.com
  version: '2.0'
servers:
- url: https://app.fullenrich.com/api/v2
  description: FullEnrich production API
security:
- bearerAuth: []
tags:
- name: Reverse Email Lookup
  description: Resolve a person and company from an email address.
paths:
  /contact/reverse/email/bulk:
    post:
      operationId: startReverseEmailLookup
      tags:
      - Reverse Email Lookup
      summary: Start a bulk reverse email lookup
      description: Resolve a person and company from one or more email addresses. Returns an enrichment_id used to retrieve results.
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ReverseEmailRequest'
      responses:
        '200':
          description: Reverse lookup accepted.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/EnrichmentAccepted'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '429':
          $ref: '#/components/responses/RateLimited'
    get:
      operationId: getReverseEmailLookup
      tags:
      - Reverse Email Lookup
      summary: Get reverse email lookup results
      description: Retrieve the result of a reverse email lookup by its enrichment_id.
      parameters:
      - name: enrichment_id
        in: query
        required: true
        description: The enrichment_id returned when the reverse lookup was started.
        schema:
          type: string
          format: uuid
      responses:
        '200':
          description: Reverse lookup results.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/EnrichmentResult'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
        '429':
          $ref: '#/components/responses/RateLimited'
components:
  schemas:
    EnrichmentResult:
      type: object
      properties:
        id:
          type: string
          format: uuid
        name:
          type: string
        status:
          type: string
          enum:
          - CREATED
          - IN_PROGRESS
          - CANCELED
          - CREDITS_INSUFFICIENT
          - FINISHED
          - RATE_LIMIT
          - UNKNOWN
        cost:
          type: object
          properties:
            credits:
              type: integer
              description: Total credits consumed by this enrichment.
        data:
          type: array
          items:
            $ref: '#/components/schemas/EnrichedContact'
    EnrichmentAccepted:
      type: object
      properties:
        enrichment_id:
          type: string
          format: uuid
          example: 2db5ea61-1752-42cf-8ea1-ab1da060cd0a
    Error:
      type: object
      properties:
        code:
          type: string
          example: error.unauthorized
        message:
          type: string
          example: Invalid API key
    ReverseEmailRequest:
      type: object
      required:
      - name
      - data
      properties:
        name:
          type: string
          description: A readable identifier for this reverse lookup.
        webhook_url:
          type: string
          format: uri
        data:
          type: array
          maxItems: 100
          items:
            type: object
            required:
            - email
            properties:
              email:
                type: string
                format: email
                example: john.doe@acme.com
              custom:
                type: object
                additionalProperties:
                  type: string
    EnrichedContact:
      type: object
      properties:
        input:
          type: object
          properties:
            first_name:
              type: string
            last_name:
              type: string
            full_name:
              type: string
            company_domain:
              type: string
            company_name:
              type: string
            professional_network_url:
              type: string
        custom:
          type: object
          description: The custom object supplied in the request, echoed back unchanged.
          additionalProperties:
            type: string
        contact_info:
          $ref: '#/components/schemas/ContactInfo'
        profile:
          $ref: '#/components/schemas/Profile'
    Profile:
      type: object
      properties:
        id:
          type: string
          format: uuid
        full_name:
          type: string
        first_name:
          type: string
        last_name:
          type: string
        location:
          type: object
          properties:
            country:
              type: string
            country_code:
              type: string
            city:
              type: string
            region:
              type: string
        social_profiles:
          type: object
          properties:
            professional_network:
              type: object
              properties:
                id:
                  type: integer
                url:
                  type: string
                handle:
                  type: string
                connection_count:
                  type: integer
        skills:
          type: array
          items:
            type: string
        employment:
          type: object
          properties:
            current:
              $ref: '#/components/schemas/Employment'
            all:
              type: array
              items:
                $ref: '#/components/schemas/Employment'
    EmailResult:
      type: object
      properties:
        email:
          type: string
          format: email
        status:
          type: string
          enum:
          - DELIVERABLE
          - HIGH_PROBABILITY
          - CATCH_ALL
          - INVALID
          - INVALID_DOMAIN
    Employment:
      type: object
      properties:
        title:
          type: string
        is_current:
          type: boolean
        start_at:
          type: string
          format: date-time
        end_at:
          type: string
          format: date-time
        company:
          type: object
          properties:
            name:
              type: string
            domain:
              type: string
    ContactInfo:
      type: object
      properties:
        most_probable_work_email:
          $ref: '#/components/schemas/EmailResult'
        most_probable_personal_email:
          $ref: '#/components/schemas/EmailResult'
        most_probable_phone:
          $ref: '#/components/schemas/PhoneResult'
        work_emails:
          type: array
          items:
            $ref: '#/components/schemas/EmailResult'
        personal_emails:
          type: array
          items:
            $ref: '#/components/schemas/EmailResult'
        phones:
          type: array
          items:
            $ref: '#/components/schemas/PhoneResult'
    PhoneResult:
      type: object
      properties:
        number:
          type: string
          description: Phone number in E.164 format.
          example: '+14155552671'
        region:
          type: string
          description: ISO country code for the number.
          example: US
  responses:
    NotFound:
      description: Enrichment id not found.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    BadRequest:
      description: Bad request or enrichment still in progress.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    RateLimited:
      description: Rate limit exceeded.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    Unauthorized:
      description: Authorization failed (missing header or invalid API key).
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      description: 'Pass your API key from the FullEnrich dashboard as a Bearer token in the Authorization header: `Authorization: Bearer YOUR_API_KEY`.'