Arena website screenshot

Arena

Arena is an AI-powered audience engagement platform that lets publishers, media companies, and brands build first-party communities directly on their own websites and apps. Its products include Live Chat, Live Blog, Comments, Polls, and Q&A, plus moderation, analytics, and monetization tooling designed to increase traffic, boost engagement, generate leads, and monetize audiences. Developers integrate through the Arena Platform API (V3) and official JavaScript, Android, and iOS SDKs, authenticating with a site API key or a JWT that also powers Single Sign-On for Live Chat and Live Blog. Arena is a developer-tools / audience-engagement company backed by CRV, Felicis, Lightspeed Venture Partners, and Techstars.

Arena publishes 1 API on the APIs.io network. Tagged areas include Company, Developer Tools, Audience Engagement, Live Chat, and Live Blog.

The Arena catalog on APIs.io includes 1 event-driven AsyncAPI specification.

Arena’s developer surface includes documentation, API reference, support, engineering blog, pricing, signup flow, authentication, and 14 more developer resources.

35.1/100 thin ▬ flat Agent 15/100 agent aware Full breakdown ↓
scored 2026-07-27 · rubric v0.5
AccessSelf serve
1 APIs
CompanyDeveloper ToolsAudience EngagementLive ChatLive BlogCommentsCommunityReal-TimeModerationMedia

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5
Composite quality — 35.1/100 · thin
Contract Quality 5.7 / 25
Developer Ergonomics 9.6 / 20
Commercial Clarity 8.9 / 20
Operational Transparency 1.7 / 13
Governance 0.0 / 12
Discoverability 9.3 / 10
Agent readiness — 15/100 · agent aware
Machine-Readable Contract 0 / 18
Agentic Access Contract 0 / 15
MCP Server 0 / 12
Machine-Readable Auth 10 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 0 / 7
Typed Event Surface 6 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/arena: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 1

Individual APIs this provider publishes, each with its own machine-readable definition.

Arena Platform API

Arena's REST Platform API (V3) for programmatically managing engagement resources — Liveblog, Live Chat, Analytics, Account, Stream, Users, Moderation, Polls, and Q&A — mirrorin...

Event Specifications 1

AsyncAPI definitions for this provider's event-driven and streaming APIs.

Arena Webhooks

ASYNCAPI

Security Posture 2

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Arena Authentication

apiKey/http · 2 schemes

SECURITY

Arena Domain Security

TLSv1.3 · DMARC

SECURITY

Resources

Get Started 3

Portal, sign-up, and the first successful call

Documentation 2

Reference material describing how the API behaves

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

Design & Contract 3

Pagination, idempotency, versioning, errors, and events

Build 3

SDKs, sample code, and the tooling you integrate with

Access & Security 2

Authentication, authorization, and security posture

Operate 2

Status, limits, changes, and where to get help

Commercial 3

Pricing, plans, and the legal terms of use

Company 2

The organization behind the API

Source (apis.yml)

apis.yml Raw ↑
aid: arena
name: Arena
description: Arena is an AI-powered audience engagement platform that lets publishers, media companies, and brands build first-party
  communities directly on their own websites and apps. Its products include Live Chat, Live Blog, Comments, Polls, and Q&A,
  plus moderation, analytics, and monetization tooling designed to increase traffic, boost engagement, generate leads, and
  monetize audiences. Developers integrate through the Arena Platform API (V3) and official JavaScript, Android, and iOS SDKs,
  authenticating with a site API key or a JWT that also powers Single Sign-On for Live Chat and Live Blog. Arena is a developer-tools
  / audience-engagement company backed by CRV, Felicis, Lightspeed Venture Partners, and Techstars.
url: https://raw.githubusercontent.com/api-evangelist/arena/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- crv
- felicis
- lightspeed-venture-partners
- 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: '2026-07-18'
image: https://dashboard-sandbox.arena.im/js/imgs/arena-logo-purple.png
tags:
- Company
- Developer Tools
- Audience Engagement
- Live Chat
- Live Blog
- Comments
- Community
- Real-Time
- Moderation
- Media
apis:
- name: Arena Platform API
  description: Arena's REST Platform API (V3) for programmatically managing engagement resources — Liveblog, Live Chat, Analytics,
    Account, Stream, Users, Moderation, Polls, and Q&A — mirroring the Arena Dashboard. Authenticated with an API key or JWT
    via the Authorization header.
  humanURL: https://developers.arena.im/
  baseURL: https://api.arena.im/
  properties:
  - type: Documentation
    url: https://developers.arena.im/
  - type: APIReference
    url: https://api-docs.arena.im/
  - type: Authentication
    url: authentication/arena-authentication.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Website
  url: https://arena.im/
- type: DeveloperPortal
  url: https://developers.arena.im/
- type: Documentation
  url: https://developers.arena.im/
- type: APIReference
  url: https://api-docs.arena.im/
- type: Support
  url: https://help.arena.im/
- type: HelpCenter
  url: https://help.arena.im/
- type: Blog
  url: https://arena.im/blog/
- type: Pricing
  url: https://arena.im/pricing/
- type: SignUp
  url: https://app.arena.im/auth/create
- type: Login
  url: https://app.arena.im/auth/login
- type: TermsOfService
  url: https://arena.im/terms-of-service/
- type: PrivacyPolicy
  url: https://arena.im/privacy-policy/
- type: GitHubOrganization
  url: https://github.com/stationfy
- type: Packages
  url: packages/arena-packages.yml
- type: SDKs
  url: packages/arena-packages.yml
- type: Authentication
  url: authentication/arena-authentication.yml
- type: Components
  url: components/arena-components.yml
- type: Conventions
  url: conventions/arena-conventions.yml
- type: Webhooks
  url: asyncapi/arena-webhooks.yml
- type: DomainSecurity
  url: security/arena-domain-security.yml
- type: LLMsTxt
  url: llms/arena-llms.txt
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence