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The Complete
OpenAPI Workflow

Design, mock, test, and generate SDKs without leaving your browser. The modern toolchain for API-first teams.

Schema Definition
API Explorer
SDK Generation

Instant Mock APIs

Stop waiting for the backend. Spin up realistic mock servers from your OpenAPI spec in seconds. Complete with validation, dynamic responses, and a public gateway for sharing.

  • Zero-config setup
  • Public gateway URLs
  • Request validation
  • Dynamic response generation
server.ts
POST /api/users
201 Created
{ "id": "user_123", "name": "John Doe", "role": "admin", "created_at": "2024-03-20T10:00:00Z" }
TS
TypeScript
PY
PythonComing Soon
GO
GoComing Soon
JV
JavaComing Soon

Type-Safe SDKs

Generate production-ready client libraries for your favorite languages. Keep your frontend and backend in sync with automated type definitions.

TypeScript
Python
Go
Java
Rust
PHP

See it in action

Watch how Splice transforms your API workflow in under 2 minutes.

Everything you need

A complete toolkit for the modern API developer.

Schema Explorer
Interactive documentation viewer for your OpenAPI specs.
Public Gateway
Share your local mock servers with the world.
Validation
Ensure spec compliance with built-in linting.
Fast & Secure
Built on modern tech stack for blazing performance.

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