OpenAPI Studio
6.7#14 in api design toolsFrom $9 a monthFree planWebSelf-hosted
VisitOpenAPI Studio vs PactFlow
What both publish
| Fact | OpenAPI Studio | PactFlow |
|---|---|---|
| Integrations | Native integrations include GitHub, Slack, Linear, Notion, and MCP connections for AI assistants. | The integration catalog includes SwaggerHub Editor integration and a Pact Plugin Framework for custom or prebuilt plugins. |
| Maker | OpenAPI Studio is described as a solo developer project built in the open with a public codebase and transparent roadmap. | The about page describes PactFlow as created by DiUS engineers and names Matt Fellows, Beth Skurrie, and Ron Holshausen as founders. |
| Purpose | OpenAPI Studio is a visual editor for designing, testing, and publishing AI-ready APIs. | PactFlow is a managed Pact Broker that helps teams test integrations in distributed systems using contract testing. |
OpenAPI Studio plans
- FreeFree
- Pro$9 a month
- Team$29 a month
- Scale$99 a month
PactFlow plans
- StarterFree
- Team yearly$115.42 a month
- Team (yearly billing)$115.42 a month
- Team monthly$127 a month
- Team (monthly billing)$127 a month
- EnterprisePriced on request
Pick OpenAPI Studio if…
It suits developers and teams designing, testing, and publishing APIs, including those who want visual flow building or MCP tooling. Self-hosting is available, and plan limits vary by workspace, member, history, integration, and MCP allowances.
Pick PactFlow if…
PactFlow suits development teams that need to check service contracts and connect those checks to source-control workflows. It also offers an on-premises option and dedicated support for Enterprise customers.