aid: hilos
name: Hilos
description: >-
  Hilos is a WhatsApp Business Platform automation company (backed by 500 Global and Techstars, now
  part of ActiveCampaign) that helps businesses capture leads, qualify prospects, and automate
  follow-ups over WhatsApp's Cloud API. Its REST API exposes contacts, inbox conversations, WhatsApp
  message templates, and no-code flow executions, authenticated with an `Authorization: Token` API
  key against https://api.hilos.io/api/ and paginated with `page` / `page_size` query parameters.
url: https://raw.githubusercontent.com/api-evangelist/hilos/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- 500-global
- techstars
x-tier: stub
x-tier-reason: portfolio-lead
accessModel:
  pricing: unknown
  onboarding: self-serve
  trial: false
  try_now: false
  public: false
  label: Self-serve signup
  confidence: medium
  source:
  - authentication
  generated: '2026-07-22'
  method: derived
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-19'
image: https://app.hilos.io/logo512.png
tags:
- Company
- WhatsApp
- Messaging
- Automation
- CRM
- Conversational Commerce
- Chatbots
- Customer Engagement
- Marketing
apis:
- aid: hilos:hilos-contact-api
  name: Hilos Contact API
  description: The Contact API from Hilos — 2 operation(s) for contact.
  humanURL: https://hilos.io/docs
  baseURL: https://api.hilos.io/api/
  tags:
  - Contact
  properties:
  - type: OpenAPI
    url: openapi/hilos-contact-api-openapi.yml
- aid: hilos:hilos-conversation-api
  name: Hilos Conversation API
  description: The Conversation API from Hilos — 2 operation(s) for conversation.
  humanURL: https://hilos.io/docs
  baseURL: https://api.hilos.io/api/
  tags:
  - Conversation
  properties:
  - type: OpenAPI
    url: openapi/hilos-conversation-api-openapi.yml
- aid: hilos:hilos-flow-execution-api
  name: Hilos Flow Execution API
  description: The Flow Execution API from Hilos — 3 operation(s) for flow execution.
  humanURL: https://hilos.io/docs
  baseURL: https://api.hilos.io/api/
  tags:
  - Flow Execution
  properties:
  - type: OpenAPI
    url: openapi/hilos-flow-execution-api-openapi.yml
- aid: hilos:hilos-flow-execution-contact-api
  name: Hilos Flow Execution Contact API
  description: The Flow Execution Contact API from Hilos — 2 operation(s) for flow execution contact.
  humanURL: https://hilos.io/docs
  baseURL: https://api.hilos.io/api/
  tags:
  - Flow Execution Contact
  properties:
  - type: OpenAPI
    url: openapi/hilos-flow-execution-contact-api-openapi.yml
- aid: hilos:hilos-user-api
  name: Hilos User API
  description: The User API from Hilos — 1 operation(s) for user.
  humanURL: https://hilos.io/docs
  baseURL: https://api.hilos.io/api/
  tags:
  - User
  properties:
  - type: OpenAPI
    url: openapi/hilos-user-api-openapi.yml
- aid: hilos:hilos-whatsapp-api
  name: Hilos WhatsApp API
  description: The WhatsApp API from Hilos — 3 operation(s) for whatsapp.
  humanURL: https://hilos.io/docs
  baseURL: https://api.hilos.io/api/
  tags:
  - WhatsApp
  properties:
  - type: OpenAPI
    url: openapi/hilos-whatsapp-api-openapi.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: DomainSecurity
  url: security/hilos-domain-security.yml
- type: AgenticAccess
  url: agentic-access/hilos-agentic-access.yml
- type: Website
  url: https://hilos.io
- type: DeveloperPortal
  url: https://hilos.io/docs
- type: Documentation
  url: https://hilos.io/docs
- type: APIReference
  url: https://hilos-40.mintlify.app/docs/developer/apidocs/contact/get-apicontact
- type: GettingStarted
  url: https://hilos-40.mintlify.app/docs/developer/getting-started/test-request
- type: Authentication
  url: authentication/hilos-authentication.yml
- type: Blog
  url: https://hilos.io/blog
- type: Pricing
  url: https://hilos.io/pricing
- type: SignUp
  url: https://hilos.io/signup-ac
- type: Login
  url: https://app.hilos.io/login
- type: TermsOfService
  url: https://hilos.io/terms-and-conditions
- type: PrivacyPolicy
  url: https://hilos.io/privacy-policy
- type: Support
  url: mailto:hey@hilos.io
- type: LLMsTxt
  url: llms/hilos-llms.txt
- type: Conventions
  url: conventions/hilos-conventions.yml
- type: ErrorCatalog
  url: errors/hilos-problem-types.yml
- type: Conformance
  url: conformance/hilos-conformance.yml
- type: Lifecycle
  url: lifecycle/hilos-lifecycle.yml
- type: DataModel
  url: data-model/hilos-data-model.yml
- type: MCPServer
  url: mcp/hilos-mcp.yml
- type: AgentSkill
  url: skills/_index.yml
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence