Leadspace Discovery API

Bulk account expansion into net-new contacts

Documentation GitHub OpenAPI

Operations 1

Each operation below carries the questions people ask an LLM about it and the instructions they give an agent to run it. Generated by API Evangelist overlay

POST /v2/expansion/company Find new contacts inside target accounts · Submit a bulk account discovery (expansion) job #

Ask an LLM

“How can I find net-new contacts at a list of target companies?”

“Can I expand up to 500 accounts into ranked people matching my personas in one job?”

Tell an agent

Start a discovery job to find contacts in these accounts: {data}.

Expand accounts {data} into ranked contacts and call {callbackUrl} when the job finishes.

Work with this as data

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OpenAPI Specification

openapi: 3.2.0
info:
  title: Leadspace Discovery API
  description: The Leadspace Discovery (Expansion) API finds net-new contacts inside target accounts. A bulk request expands up to 500 accounts, ranking discovered people against persona, region, and required-contact-information criteria, and returns a polling URI for asynchronous retrieval. This document was generated by API Evangelist from Leadspace's published technical specifications; Leadspace does not publish a machine-readable OpenAPI definition.
  version: '2.0'
  contact:
    name: Leadspace Support
    url: https://support.leadspace.com/hc/en-us
    email: support@leadspace.com
  termsOfService: https://www.leadspace.com/service-support-terms
servers:
- url: https://apigw.leadspace.com
  description: Leadspace API gateway (production)
security:
- bearerAuth: []
tags:
- name: Discovery
  description: Bulk account expansion into net-new contacts
paths:
  /v2/expansion/company:
    post:
      operationId: discoverCompanyContacts
      summary: Submit a bulk account discovery (expansion) job
      description: Expands up to 500 accounts into ranked contacts. Either companyName or companyWebsite is mandatory for each account.
      tags:
      - Discovery
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/DiscoveryRequest'
      responses:
        '202':
          description: Bulk job successfully accepted
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/DiscoveryAccepted'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '403':
          description: Program ID is invalid
        '427':
          $ref: '#/components/responses/InsufficientCredits'
        '500':
          $ref: '#/components/responses/ServerError'
      callbacks:
        discoveryComplete:
          '{$request.body#/callbackUrl}':
            post:
              operationId: discoveryCompleteCallback
              summary: Discovery completion callback
              requestBody:
                content:
                  application/json:
                    schema:
                      $ref: '#/components/schemas/DiscoveryCallback'
              responses:
                '200':
                  description: Callback acknowledged
components:
  responses:
    Unauthorized:
      description: Unauthorized request (wrong credentials or credentials have expired)
    BadRequest:
      description: Request fails basic input validation or JSON format is invalid
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    InsufficientCredits:
      description: Insufficient credits to process this request
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    ServerError:
      description: Server error
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
  schemas:
    DiscoveryItem:
      type: object
      properties:
        account:
          $ref: '#/components/schemas/DiscoveryAccount'
        contact:
          $ref: '#/components/schemas/DiscoveryContactCriteria'
        requiredResultsFields:
          $ref: '#/components/schemas/RequiredResultsFields'
        limits:
          type: object
          properties:
            resultPerAccount:
              type: integer
              minimum: 1
              maximum: 100
              default: 10
              description: Max leads retrieved per expanded account
        location:
          type: object
          properties:
            country:
              type: string
              description: Required person location. Multiple values are comma delimited. Omit entirely to receive all locations.
        external_id:
          type: string
    DiscoveryCallback:
      type: object
      properties:
        bulkId:
          type: string
        callbackMethod:
          type: object
          properties:
            callbackUrl:
              type: string
            pollingUrl:
              type: string
        bulkStatus:
          type: string
    DiscoveryRequest:
      type: object
      required:
      - data
      properties:
        data:
          type: array
          maxItems: 500
          description: Up to 500 accounts per bulk request
          items:
            $ref: '#/components/schemas/DiscoveryItem'
        external_bulk_id:
          type: string
        callbackUrl:
          type: string
          description: URL Leadspace calls back when bulk processing completes
    RequiredResultsFields:
      type: object
      properties:
        directPhone:
          type: boolean
        companyPhone:
          type: boolean
        verifiedEmail:
          type: boolean
    Error:
      type: object
      properties:
        error:
          type: string
        tracking_id:
          type: string
        request_timestamp:
          type: string
        details:
          type: string
    DiscoveryContactCriteria:
      type: object
      properties:
        persona:
          type: array
          maxItems: 5
          description: Persona criteria used to rank discovery results
          items:
            type: string
        contactRegions:
          type: array
          items:
            type: string
        contactCountries:
          type: array
          items:
            type: string
        contactState:
          type: array
          items:
            type: string
    DiscoveryAccepted:
      type: object
      properties:
        id:
          type: string
          description: The polling endpoint URI to extract the bulk results
          examples:
          - /v1/expansion/results/a4b6e123-8905-4dff-a966-50c3ce8f78ft
    DiscoveryAccount:
      type: object
      description: Either companyName or companyWebsite is mandatory
      properties:
        companyName:
          type: string
        companyWebsite:
          type: string
        companylinkedinUrl:
          type: string
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      description: Authorization header in the form 'Bearer API_KEY'
externalDocs:
  description: Leadspace Discovery API documentation
  url: https://support.leadspace.com/hc/en-us/articles/360011926619-Leadspace-Discovery-API