aid: papercups
url: https://raw.githubusercontent.com/api-evangelist/papercups/refs/heads/main/apis.yml
name: Papercups
kind: company
description: Papercups is an open-source customer-messaging and live-chat platform
  built on Elixir/Phoenix, positioned as a self-hosted alternative to Intercom. It
  exposes a REST API for conversations, messages, and customers, a realtime chat surface
  over Phoenix WebSocket channels, and outbound webhooks. The project is in maintenance
  mode (community-maintained, no major new features).
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
tags:
- Customer Messaging
- Live Chat
- Open Source
- Support
- Intercom Alternative
created: '2026-06-20'
modified: '2026-06-20'
specificationVersion: '0.19'
apis:
- aid: papercups:conversations
  name: Papercups Conversations API
  tags:
  - Conversations
  - Support
  - Threads
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://docs.papercups.io/api-endpoints
  baseURL: https://app.papercups.io/api/v1
  properties:
  - url: https://docs.papercups.io/api-endpoints
    type: Documentation
  - url: https://docs.papercups.io/api-endpoints
    type: APIReference
  - url: openapi/papercups-openapi.yml
    type: OpenAPI
  - url: https://github.com/papercups-io/papercups
    type: GitHub
  description: REST endpoints to create, list, retrieve, update, and delete conversations
    (threads of messages), with filtering by status, priority, customer, and assignee.
- aid: papercups:messages
  name: Papercups Messages API
  tags:
  - Messages
  - Support
  - Chat
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://docs.papercups.io/api-endpoints
  baseURL: https://app.papercups.io/api/v1
  properties:
  - url: https://docs.papercups.io/api-endpoints
    type: Documentation
  - url: https://docs.papercups.io/api-endpoints
    type: APIReference
  - url: openapi/papercups-openapi.yml
    type: OpenAPI
  - url: https://github.com/papercups-io/papercups
    type: GitHub
  description: REST endpoints to create, list, retrieve, and delete messages within
    conversations, including agent and customer messages and their metadata.
- aid: papercups:customers
  name: Papercups Customers API
  tags:
  - Customers
  - Contacts
  - CRM
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://docs.papercups.io/api-endpoints
  baseURL: https://app.papercups.io/api/v1
  properties:
  - url: https://docs.papercups.io/api-endpoints
    type: Documentation
  - url: https://docs.papercups.io/api-endpoints
    type: APIReference
  - url: openapi/papercups-openapi.yml
    type: OpenAPI
  - url: https://github.com/papercups-io/papercups
    type: GitHub
  description: REST endpoints to create, list, retrieve, update, and delete customer
    records (users, leads, or contacts), filterable by name, email, host, and company.
- aid: papercups:notifications
  name: Papercups Notifications & Webhooks API
  tags:
  - Webhooks
  - Notifications
  - Events
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://docs.papercups.io/webhook-events
  baseURL: https://app.papercups.io/api/v1
  properties:
  - url: https://docs.papercups.io/webhook-events
    type: Documentation
  - url: https://github.com/papercups-io/papercups/wiki/Event-Subscriptions-with-Webhooks
    type: APIReference
  - url: https://github.com/papercups-io/papercups
    type: GitHub
  description: Outbound event subscriptions delivered as webhooks (message:created,
    conversation:created, conversation:updated, and a webhook:verify challenge handshake)
    notifying external systems of activity.
- aid: papercups:realtime-chat
  name: Papercups Realtime Chat API (WebSocket / Phoenix Channels)
  tags:
  - Realtime
  - WebSocket
  - Phoenix Channels
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://docs.papercups.io/chat
  baseURL: wss://app.papercups.io/socket/websocket
  properties:
  - url: https://docs.papercups.io/chat
    type: Documentation
  - url: asyncapi/papercups-asyncapi.yml
    type: AsyncAPI
  - url: https://github.com/papercups-io/papercups
    type: GitHub
  description: Bidirectional realtime live chat over Phoenix WebSocket channels. Clients
    join conversation, conversation-lobby, and account-room channels and exchange
    shout (message), messages:seen, and presence events for two-way messaging.
- aid: papercups:webhooks
  name: Papercups Webhooks
  tags:
  - Webhooks
  - Events
  - Integrations
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://github.com/papercups-io/papercups/wiki/Event-Subscriptions-with-Webhooks
  baseURL: https://app.papercups.io/api/v1
  properties:
  - url: https://docs.papercups.io/webhook-events
    type: Documentation
  - url: https://github.com/papercups-io/papercups/wiki/Event-Subscriptions-with-Webhooks
    type: APIReference
  - url: https://github.com/papercups-io/webhooks-demo
    type: GitHub
  description: Register external HTTPS endpoints to receive Papercups events as POSTed
    JSON payloads of shape { event, payload }, with a verify-challenge handshake on
    registration.
common:
- type: GitHubOrganization
  url: https://github.com/papercups-io
- type: LinkedIn
  url: https://www.linkedin.com/company/papercups
- type: Website
  url: https://papercups.io
- type: Documentation
  url: https://docs.papercups.io
- type: Plans
  url: plans/papercups-plans-pricing.yml
- type: RateLimits
  url: rate-limits/papercups-rate-limits.yml
- type: FinOps
  url: finops/papercups-finops.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com