Happy Valley

Apidog vs Living Brain

Apidog and Living Brain are both developer tools tools aimed at developers and small businesses. Only Apidog has a free plan.

Apidog

All-in-one API design, testing, mocking and docs; a Postman rival

Living Brain

Shared memory layer for AI agents via API, SDK, CLI and MCP

PricingFreemium · $12Paid
Starting price$12/moNot published
Free planYesNo
Free trial14 days—
Built forDevelopers, Small businesses, EnterpriseDevelopers, Small businesses, Enterprise
Platformsweb, macos, windows, linuxweb
Country——
Rating——

Choose Apidog if

Small and mid-size engineering teams that want one spec-first tool for API design, debugging, testing, mocking and docs at a lower per-seat cost than Postman.

  • Replaces several tools with one spec-first workspace
  • Free for up to four users; paid seats cost less than Postman
  • Imports Postman, Insomnia, OpenAPI, HAR, cURL and WSDL

Look elsewhere if: Companies whose main need is a polished public developer portal or strict design governance (ReadMe, Mintlify, Stoplight).

Choose Living Brain if

Developers and AI-heavy teams who use several models and agents and want one portable memory layer behind them.

  • Model-independent memory that follows you across AI tools
  • Pay-as-you-go API with a $5 minimum and no subscription
  • Many access routes: API, SDKs, CLI and MCP

Look elsewhere if: Teams that just need a note-taking app or a proven enterprise knowledge platform (Notion, Obsidian, Context Engine).

Apidog vs Living Brain pricing

Apidog

  • Free$0Up to 4 users; design, debug, test, mock and docs
  • Basic$12/user/mo$9/user/mo billed annually; 3 custom domains
  • Professional$24/user/mo$18/user/mo billed annually; unlimited change history
  • Enterprise$27/user/moBilled annually; SSO, organizations; on-prem separately

Living Brain

  • API$8 per 1M input tokens$0.50 per 1M output, prepaid from $5, 1 GB, 1 seat
  • Workspace$99/mo3 seats, 10 GB; included with ChatChat Pro+, no direct checkout
  • BusinessCustomDedicated, customer-cloud or on-prem deployment options

Apidog · Key features

  • Visual OpenAPI and JSON Schema designer with change history
  • Request client for HTTP, GraphQL, gRPC, WebSocket, SOAP and SSE
  • Postman-compatible pre and post scripts and database connections
  • Visual test scenarios, scheduled runs and performance testing
  • Schema-driven smart mocks, cloud mock and self-hosted runner mock
  • Interactive API docs with custom domains and free readers

Cons

  • Interface is dense and takes time for non-technical users
  • Public docs portals are less polished than ReadMe or Mintlify
  • Smaller community and plugin ecosystem than Postman

Living Brain · Key features

  • Captures chats, files, notes and URLs into source-linked pages
  • Knowledge graph with automatic connection discovery
  • Hosted MCP server for Claude Code, Codex, Cursor, VS Code and more
  • Sign-in connection for ChatGPT and Claude without an API key
  • REST API, TypeScript and Python SDKs and a CLI
  • PDF, Word, PPTX and HTML extraction plus audio transcription

Cons

  • Benchmark results are the vendor's own evaluations
  • Docs describe the product as early access
  • Workspace has no direct checkout and comes with ChatChat Pro+

Apidog vs Living Brain: FAQ

Do Apidog and Living Brain have a free plan?

Apidog has a free plan. Living Brain has no free plan.

Not sure yet?

Apidog vs Living Brain (2026): Pricing and Features