Open-source API mock server for multiple protocols
Open-source toolkit for building, simulating, and deploying business process diagrams with code and AI
Stage
Not given
Not given
Founded
Not given
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Based in
US
Not given
Pricing model
Freemium
Open source
Pricing
Free: $0/month with 10,000 requests/month and local mocks only. Pro: $29/month with 250,000 requests/month, 100,000 platform AI tokens/month, and 3 hosted mocks. Team: $99/month with 1,000,000 requests/month, 1,000,000 platform AI tokens/month, and unlimited hosted mocks. Annual plans include 2 mont
Free, MIT-licensed
Key features
Multi-protocol support (REST, gRPC, GraphQL, WebSocket, Kafka, MQTT and more)
Realistic data synthesis with template tokens and faker fields
Latency and fault injection for testing retries and fallbacks
Record and replay for capturing and replaying live traffic
Modern admin UI for managing servers, overrides and metrics
Configuration as code with OpenAPI specs and YAML
Local-first development without account requirement
CI integration with local endpoints
HTTP bridge exposing gRPC services over REST
BYOK AI integration with user provider keys
Fluent TypeScript API for BPMN authoring
Automatic layout with Sugiyama engine
Type-safe element guards
Roundtrip fidelity preserving extensions
Zero third-party dependencies
DMN decision table builder
Camunda form generation
In-process BPMN simulator
LLM-friendly compact format
Camunda 8 REST client with 180 methods
What makes it different
Multi-protocol mocking from one configuration file
Realism-first simulation with data synthesis and failure injection
Open source with permissive MIT or Apache-2.0 licensing
Local-first approach with optional cloud collaboration
Deploy to cloud hosting with a single command
Write BPMN diagrams as code with 13 lines of TypeScript instead of 41 lines of XML
Works across browsers, Node, Deno, Bun and edge runtimes with no dependencies
Direct Camunda 8 deployment with OpenAPI connector generation
AI-friendly format for LLM-driven diagram generation