lemlist

lemlist People Database API

Search the lemlist B2B people and company database, list its filters, and manage saved personas.

GitHub OpenAPI

Operations 8

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

GET /database/filters List the filters the People Database supports · Filters #
Ask an LLM
“Which filter ids can I use when searching the lemlist People Database?”
“What search criteria are available for finding prospects and companies?”
Tell an agent
Show me every filter the People Database accepts.
Fetch the database filter catalog so I can build a search.
POST /database/people Search the People Database for prospects · People database #
Ask an LLM
“How do I search for people matching my ideal customer profile?”
“Can I page through prospect search results for a set of filters?”
Tell an agent
Find people in the database matching {filters}.
Get page {page} of people results for {filters}.
GET /schema/people Get the field schema for people records · People schema #
Ask an LLM
“What fields come back on a person record from the People Database?”
“Where can I see the data structure of a prospect profile?”
Tell an agent
Show me the schema of a People Database person record.
Describe the person-record fields for filters {filters}.
POST /database/companies Search the database for companies · Companies database #
Ask an LLM
“How do I look up companies that match my target account criteria?”
“Can I paginate through company search results in the database?”
Tell an agent
Find companies in the database matching {filters}.
Get page {page} of company results for {filters}.
GET /schema/companies Get the field schema for company records · Companies schema #
Ask an LLM
“What fields does a company record in the database contain?”
“Which attributes are returned for an organization from the companies database?”
Tell an agent
Show me the schema of a database company record.
Describe the company-record fields for filters {filters}.
GET /database/personas List my team's saved personas · List Personas #
Ask an LLM
“Which personas has my team saved in the lemlist People Database?”
“Can I see only the personas built for one search mode?”
Tell an agent
List all the personas my team has saved.
Show our saved personas for the {mode} search mode.
POST /database/personas Save a new persona from database filters · Create Persona #
Ask an LLM
“How do I save a set of People Database filters as a reusable persona?”
“What happens to filters my plan doesn't include when I create a persona?”
Tell an agent
Create a persona named {name} in {mode} mode using these filters: {filters}.
Save {filters} as a new leads persona called {name}.
DELETE /database/personas/{personaId} Permanently delete a saved persona · Delete Persona #
Ask an LLM
“Can I remove a persona my team no longer uses?”
“Is deleting a persona reversible?”
Tell an agent destructive · confirm first
Delete persona {personaId} for good.
Remove the saved persona {personaId} from my team's list.

Specifications

⚙
OpenAPI
https://raw.githubusercontent.com/api-evangelist/lemlist/refs/heads/main/openapi/lemlist-people-database-api-openapi.yml

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OpenAPI Specification

lemlist-people-database-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  title: Lemlist People database API
  version: 1.0.0
  description: 'Operations tagged People database across 2 of this provider''s published API definitions: lemlist-openapi-v1-legacy.json, lemlist-openapi-v2.json. Each path carries the servers of the definition it was published in.'
servers:
- url: https://api.lemlist.com/api
tags:


# --- truncated at 32 KB (50 KB total) ---
# Full source: https://raw.githubusercontent.com/api-evangelist/lemlist/refs/heads/main/openapi/lemlist-people-database-api-openapi.yml