lemlist

aid: lemlist
name: lemlist
description: lemlist is a cold email outreach and sales engagement platform that helps
  sales teams build prospect lists, personalize multichannel campaigns across email
  and LinkedIn, and automate follow-ups to book more meetings. It includes a built-in
  B2B lead database, AI-generated personalization, and warm-up tools to keep deliverability
  healthy. The lemlist API enables developers to integrate lemlist with other tools
  and automate outreach workflows using API key authentication.
type: Index
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
tags:
- Email Outreach
- Sales Engagement
- Cold Email
- Sales Automation
- LinkedIn Outreach
- Lead Generation
url: https://raw.githubusercontent.com/api-evangelist/lemlist/refs/heads/main/apis.yml
created: '2026-05-11'
modified: '2026-05-11'
specificationVersion: '0.19'
apis:
- aid: lemlist:rest-api
  name: lemlist REST API
  description: REST API for managing campaigns, leads, sequences, teams, and outreach
    activities in lemlist. Authentication is via API key passed using HTTP Basic auth.
    The API supports integrating lemlist with CRMs and other tools and automating
    multichannel outreach workflows.
  humanURL: https://developer.lemlist.com
  baseURL: https://api.lemlist.com/api
  tags:
  - Email Outreach
  - Sales Engagement
  - Cold Email
  - Sales Automation
  properties:
  - type: Documentation
    url: https://developer.lemlist.com
  - type: GettingStarted
    url: https://developer.lemlist.com/api-reference/overview
  - url: graphql/lemlist-graphql.md
    type: GraphQL
common:
- type: LinkedIn
  url: https://www.linkedin.com/company/lemlist
- type: Website
  url: https://www.lemlist.com
- type: Documentation
  url: https://developer.lemlist.com
- type: Pricing
  url: https://www.lemlist.com/pricing
- type: SignUp
  url: https://app.lemlist.com/signup
- type: LLMsTxt
  url: https://api.lemlist.com/llms.txt
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com