Lusha Lookalikes API

AI-powered similarity search that expands a seed list of contacts or companies into comparable profiles, with exclusion lists, a dedupe session id and optional persistence into a Lusha table.

Operations 4

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 /v3/contacts/lookalike Find people similar to seed contacts · Contact Lookalikes #
Ask an LLM
“How do I find more people like my best customers' buyers?”
“Can I save contact lookalike results straight into a table?”
Tell an agent
Find contacts similar to seeds {seeds} and save them to table {tableId}.
Get {limit} more lookalike people for session {dedupeSessionId} using seeds {seeds}.
POST /v3/companies/lookalike Find companies similar to seed accounts · Company Lookalikes #
Ask an LLM
“How do I find more companies like my best customers?”
“Can I store company lookalike results in a companies table?”
Tell an agent
Find companies similar to seeds {seeds} and save them to table {tableId}.
Find accounts like {seeds} but exclude {exclude}.
POST /v3/lookalike/contacts Find lookalike contacts (older endpoint) · Contact Lookalikes #
Ask an LLM
“Is there an older lookalike contacts endpoint without table saving?”
“How does the legacy contact lookalike run avoid returning the same people twice?”
Tell an agent
Using the older lookalike contacts endpoint, find people like {seeds}.
Continue legacy contact lookalike run {dedupeSessionId} for seeds {seeds}, excluding {exclude}.
POST /v3/lookalike/companies Find lookalike companies (older endpoint) · Company Lookalikes #
Ask an LLM
“Is there an older lookalike companies endpoint without table saving?”
“How long does a legacy company lookalike session keep its history?”
Tell an agent
Using the older lookalike companies endpoint, find accounts like {seeds}.
Continue legacy company lookalike run {dedupeSessionId} for seeds {seeds}, up to {limit} results.

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OpenAPI Specification

lusha-lookalikes-api-openapi.yml Raw ↑
openapi: 3.2.0
info:
  title: Lusha Lookalikes API
  version: ''
  contact:
    name: Lusha Support
    url: https://api.lusha.com
    email: support@lusha.com
  license:
    name: Proprietary
    url: https://lusha.com/legal/terms
  termsOfService: https://lusha.com/legal/terms
  x-logo:
    url: https://www.lusha.com/logo.png
  x-privacy-policy:
    name: Privacy Policy
    url: https://lusha.com/legal/privacy-notice/
  description: 'Operations tagged Lookalikes across 2 of this provider''s published API definitions: lusha-openapi.yml, lusha-v2-openapi.yaml. Each path carries the servers of the definition it was published in.'
servers:
- url: https://api.lusha.com
  description: Production server
security:
- ApiKeyAuth: []
tags:


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# Full source: https://raw.githubusercontent.com/api-evangelist/lusha/refs/heads/main/openapi/lusha-lookalikes-api-openapi.yml