siReq

Features at a Glance

HTTP & Response Inspection

Collections & Environments

• Tree-based collection organization with nested folders
• Collection-level auth and variables
• Environment management with scoped variables
• Global variables shared across all requests
• Secret variable encryption (AES-256-GCM)

Scripting & Automation

• Pre-request scripts — Modify requests before sending, set variables, log output
• Post-response scripts — Test assertions, extract data, write tests
• Postman-like API — Familiar pm.* scripting interface
• Request chaining / Variable extraction — Extract values from JSON responses via JSONPath expressions. Configure extractions with quick-add pattern buttons in the Scripts tab. Extracted variables are automatically stored in the active environment and available as {{variable_name}} in subsequent requests.
• Extraction pipeline — Response → Extract with JSONPath → Variable stored → Toast notification → Vars tab in response viewer → Use {{variable}} in next request
• Dynamic variables — {{$timestamp}}, {{$uuid}}, and custom {{variable}} resolution

Imports & Interoperability

• cURL command import
• OpenAPI / Swagger spec import → collection generation
• Postman collection import and export

GraphQL, gRPC & WebSocket

• GraphQL: Schema Introspection & visual explorer, SDL schema parser, CodeMirror autocomplete/linting editor, JSON variables editor, custom Auth & Headers, HTTP query/mutation sending, and graphql-ws WebSocket subscriptions
• gRPC: Parse .proto files, server reflection, unary/server-streaming/client-streaming/bidirectional streaming calls, TLS support
• WebSocket: Connect to ws:///wss:// endpoints, send/receive messages, real-time log, environment variable resolution

Visual Chaining Flow Editor

• Interactive Node-Graph — Drag and drop workspace with dot-grid backdrop, 10px snap alignment, multi-node rectangle selection (Shift+drag), custom drag-to-connect wire handles, and smooth mouse-wheel panning/zooming.
• Dynamic Bezier Paths — Fluid cubic Bezier wires linking ports. Supports active neon traveling pulse animations along wire routes to show real-time signal flows!
• Expanded Node Types — Start triggers, HTTP Request nodes (with JSONPath response extractions), wait delay timers, JS conditional branching logic nodes, Set Variable nodes, Script nodes (custom JS execution), Assertion nodes (boolean validation), and format-ready Console Loggers.
• Sandboxed Execution Engine — All script, condition, and assertion evaluations run in an isolated QuickJS sandbox with full flow variable access. Features execution cancellation (stop in-flight flows), request snapshotting for offline-capable execution, and built-in flow validation.
• Undo/Redo & Clipboard — Full history-based undo/redo stack (Ctrl+Z, Ctrl+Shift+Z). Copy/paste nodes and selections across the canvas (Ctrl+C, Ctrl+V). Select-all with Ctrl+A.
• Flow Validation & Runner Integration — Built-in validateFlow() checks for missing Start nodes, unlinked requests, and disconnected paths before execution. Launch any flow directly into the Collection Runner for data-driven runs with CSV/JSON datasets.
• Integrated Debug HUD — Collapsible monospaced Flow Debugger Terminal, live variables context list with {{placeholder}} display, and granular node inspectors.

Smart Mock Server

• Multi-Server Orchestrator — Spin up up to 5 local mock servers concurrently on custom TCP ports
• OpenAPI & Collection Import — Automatically map OpenAPI v2/v3 spec files or existing HTTP collections into fully-featured mock servers with endpoints, paths, methods, and mock scenarios in seconds
• Dynamic Scenarios — Add multiple conditional scenarios per endpoint, configuring custom status codes, headers, and response bodies
• Request Matching Rules — Route to specific scenarios based on headers, query parameters, full request body, or complex JSONPath matching
• Response Templating — Procedurally generate mock data with inline {{faker.uuid}}, {{faker.name}}, {{faker.email}}, {{faker.integer(min,max)}} variables, or dynamically echo request path, queries, headers, and body elements (via JSONPath)
• CORS & Global Headers — Configure CORS parameters (origins, methods, credentials, allowed headers) and global response headers per server
• Real-Time Logs & Statistics — Inspect live logs in a streaming console, view transaction details, warning banners for broken templates, and live metrics (Req/Err count, avg latency)
• Latency Profiles — Simulate real-world network latency using fixed delays, random ranges, or normal distribution profiles

Benchmarking & Intelligence

• Benchmark tool: Run 1–1000 iterations, get min/max/avg/median/P95/P99 stats, distribution chart, status code analysis, result comparison
• Collection runner: Sequential collection execution with configurable delay, stop-on-failure, data-driven runs (CSV/JSON), and test suite modes (Smoke, Regression, Load)
• Test suite modes: Run collections in Smoke (tag-filtered), Regression (baseline comparison), or Load (concurrent execution) mode from the Runner Panel
• API Intelligence: Analyze request history, endpoint insights, performance trends, schema evolution, regression detection
• ReplayLab: Import HAR files, replay HTTP sessions with diff detection, chaos testing, waterfall visualization, run comparison, drag-and-drop entry reordering, streaming execution with pause/resume/cancel, and full entry editing

UI, Themes & Productivity

• 12 built-in themes (Dark, Light, Nordic, Sunset, Midnight, Monochrome, Terminal, True Dark, Matrix, Solarized, Nord, System)
• Resizable panels, command palette (Ctrl+K), keyboard shortcuts dialog (?)
• Toast notifications, first-class dark mode support

Screenshots

Here are some screenshots of siReq in action across its various features and panels.

Main Workspace

HTTP Request Builder

Response Viewer

Collections & Environments

Scripts & Variables

Request Chaining / Variable Extraction

Import Tools

gRPC Panel

WebSocket Client

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