OpenAPI Studio

Input—per 1M tokens

Output—per 1M tokens

Context—tokens

WeightsClosed

About

OpenAPI Studio is ranked #9 of 24 in API Design Tools on Inferse. It runs on Self-hosted, Web. There is a free plan. A free trial is offered. Paid plans start at $9/mo.

Compared on API Design Tools

Free plan: Yesopenapistudio.app
OpenAPI support: Yesopenapistudio.app
AsyncAPI support: Yesopenapistudio.app
Contract validation: Yesopenapistudio.app
Git synchronization: Yesopenapistudio.app
Team collaboration: Yesopenapistudio.app
Included team seats: 3openapistudio.app

Facts

Purpose: OpenAPI Studio is a visual editor for designing, testing, and publishing AI-ready APIs.openapistudio.app · 1 Oct 2026
Flow builder: The visual flow builder represents API paths as a node graph and supports four layout algorithms.openapistudio.app · 1 Oct 2026
Endpoint execution: A server-side proxy runs API requests and avoids browser CORS limitations.openapistudio.app · 1 Oct 2026
Recipes: Recipes chain up to 10 API calls, map responses with JSONPath, and apply per-step assertions.openapistudio.app · 1 Oct 2026
MCP server: Each workspace includes a six-tool MCP server with search, get, create, update, run, and analyze tools.openapistudio.app · 1 Oct 2026
Integrations: Native integrations include GitHub, Slack, Linear, Notion, and MCP connections for AI assistants.openapistudio.app · 1 Oct 2026
Integration security: Supported integrations use OAuth and store tokens encrypted in the workspace; raw API keys are not requested.openapistudio.app · 1 Oct 2026
Data privacy: The service says it does not sell data, use client-side analytics, or use tracking pixels, and allows export or deletion of data.openapistudio.app · 1 Oct 2026
Data hosting: Cloud data is stored on Cloudflare D1, KV, and R2, while self-hosted deployments use the customer's Cloudflare account.openapistudio.app · 1 Oct 2026
Access control: Workspaces provide Owner, Editor, and Viewer roles with enforced role-based permissions.openapistudio.app · 1 Oct 2026
Security limitations: SSO, SCIM, and audit logs are not yet offered.openapistudio.app · 1 Oct 2026
WebSocket support: WebSocket endpoints can be modeled and tested alongside HTTP and exported as AsyncAPI 3.0 YAML.openapistudio.app · 1 Oct 2026
Support: Community support is provided through GitHub Issues on all tiers, while priority email support is available on Pro, Team, and Scale.openapistudio.app · 1 Oct 2026
Maker: OpenAPI Studio is described as a solo developer project built in the open with a public codebase and transparent roadmap.openapistudio.app · 1 Oct 2026