Character.AI website screenshot

Character.AI

Character.AI is a consumer conversational-AI platform that lets users create and chat with AI personas (Characters) via web and mobile apps. Character.AI does not publish a public developer API; product surfaces are accessed through the consumer apps. Community-maintained reverse-engineered clients exist but are unofficial and unsupported.

Character.AI is profiled on the APIs.io network. Tagged areas include AI, LLM, Chatbots, Personas, and Generative AI.

Character.AI’s developer surface includes documentation, engineering blog, and 7 more developer resources.

19.9/100 emerging ▬ flat Agent 3/100 human only Full breakdown ↓
scored 2026-07-28 · rubric v0.6
AccessFreemium
0 APIs
AILLMChatbotsPersonasGenerative AIConsumer

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 19.9/100 · emerging
Contract Quality 0.0 / 25
Developer Ergonomics 2.2 / 20
Commercial Clarity 7.9 / 20
Operational Transparency 4.8 / 13
Governance 0.0 / 12
Discoverability 5.0 / 10
Agent readiness — 3/100 · human only
Machine-Readable Contract 0 / 18
Agentic Access Contract 0 / 10
MCP Server 0 / 12
Machine-Readable Auth 0 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
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/character-ai: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

Pricing Plans 1

Published pricing tiers and plan structures.

Rate Limits 1

Documented rate limits and quota policies.

Character Ai Rate Limits

3 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Security Posture 1

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

Character Ai Domain Security

TLSv1.3 · DMARC

SECURITY

Resources

Documentation 1

Reference material describing how the API behaves

Build 1

SDKs, sample code, and the tooling you integrate with

Access & Security 1

Authentication, authorization, and security posture

Operate 1

Status, limits, changes, and where to get help

Commercial 2

Pricing, plans, and the legal terms of use

Company 3

The organization behind the API

Source (apis.yml)

apis.yml Raw ↑
aid: character-ai
url: https://raw.githubusercontent.com/api-evangelist/character-ai/refs/heads/main/apis.yml
name: Character.AI
kind: company
description: Character.AI is a consumer conversational-AI platform that lets users create and chat with AI personas (Characters)
  via web and mobile apps. Character.AI does not publish a public developer API; product surfaces are accessed through the
  consumer apps. Community-maintained reverse-engineered clients exist but are unofficial and unsupported.
accessModel:
  pricing: freemium
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Freemium
  confidence: medium
  source:
  - plans
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/character-ai.png
tags:
- AI
- LLM
- Chatbots
- Personas
- Generative AI
- Consumer
created: '2026-05-08'
modified: '2026-07-25'
specificationVersion: '0.19'
apis: []
common:
- type: DomainSecurity
  url: security/character-ai-domain-security.yml
- type: GitHubOrganization
  url: https://github.com/character-ai
- type: LinkedIn
  url: https://www.linkedin.com/company/character-ai
- type: Website
  url: https://character.ai/
- type: Documentation
  url: https://book.character.ai/
- type: Plans
  url: plans/character-ai-plans-pricing.yml
- type: RateLimits
  url: rate-limits/character-ai-rate-limits.yml
- type: FinOps
  url: finops/character-ai-finops.yml
- url: https://blog.character.ai/feed
  type: Blog
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com