Turn your existing APIs into MCP servers in seconds. No rewrites. No duplicate logic. No technical debt.
For hobbyists & exploration
Explore MCP with essential features. Rate limits apply.
Start BuildingFor indie developers & early adopters
Turn your first API into an MCP server in under 60 seconds.
Get StartedFor teams & growing products
Scale your MCP infrastructure with enterprise auth and monitoring.
Start Free TrialFor organizations at scale
Air-gap deployments, SSO, multi-tenant gateways, and white-glove support.
Contact SalesLimited availability for early adopters
One-time payment for unlimited Pro features forever
Embed HAPI MCP into your platform
We're so confident you'll love HAPI MCP that we back it with these guarantees:
If we can't get your MCP server running, you don't pay.
Your API isn't ChatGPT-visible in 10 minutes? Full refund.
Your MCP manifest updates automatically as your API evolves.
Until your first integration works flawlessly.
| Feature | Free | Start | Pro | Enterprise |
|---|---|---|---|---|
| MCP Server Deployment | 1 Public | 1 Project | Unlimited | Unlimited |
| OpenAPI → MCP Conversion | ✓ | ✓ | ✓ | ✓ |
| ChatGPT Connector | ✓ | ✓ | ✓ | ✓ |
| OIDC / OAuth | — | — | ✓ | ✓ |
| Observability Dashboard | — | — | ✓ | ✓ |
| Multi-tenant Gateway | — | — | — | ✓ |
| On-Premise / Air-Gap | — | — | — | ✓ |
| SSO (SAML, OIDC) | — | — | — | ✓ |
| Support | Community | Community | Dedicated CSM | |
| SLA | — | — | 99.9% | Custom |
A: No. HAPI MCP lifts your existing OpenAPI specs directly into MCP tools. Your auth, validation, and business rules remain unchanged.
A: With HAPI Start, you can deploy your first MCP server in under 60 seconds. Upload your OpenAPI spec and we handle the rest.
A: No—it's the Headless API model. Your API is the runtime. HAPI Server reflects it as MCP; runMCP scales it; OrcA orchestrates it. No duplicate logic.
A: Any MCP client: ChatGPT, Claude, QBot, Agentico.dev, chatMCP, or your own custom orchestrators. It's vendor-neutral by design.
A: Update your OpenAPI spec and HAPI automatically regenerates your MCP tools. Real-time synchronization keeps everything in sync.
A: Yes. All plans support self-hosting. Enterprise includes Helm charts, Terraform templates, and air-gap deployment bundles.
A: Scoped credentials, per-tool permissions, and auditable calls are inherited from your API layer. HAPI adds guardrails and observability for regulated environments.
A: Yes! We have special programs for YC-backed startups, students, and open-source projects. Contact us for details.
Join teams that ship AI initiatives without rewrites or shadow systems.