#API

Specter Mock

li0lik

OpenAPI mock server + Git diff + Try It — without leaving VS Code

Endpoint Tracer

stewie1520

Paste a backend endpoint URL and jump to the NestJS controller (and exact handler) responsible for it. Understands module prefixes, RouterModule route prefixes, combined controller/method paths and path params.

ReqX

devhakeem5

Lightning-fast API testing inside VS Code. Send REST/HTTP requests, inspect responses, and debug integrations in one secure, developer-focused workspace.

ProtoKit

ach9948

REST API and multi-protocol testing tool for VS Code

Espark Client

SwetabhSuman

Build, test, and organize APIs inside VS Code.

JoltAPI

S0nder

A UI-driven REST API client for VS Code — build, send, and inspect HTTP requests without leaving the editor.

Quick JSON Formatter

LikithaCSuguna

Format and beautify JSON instantly with a single command, right-click menu, or keyboard shortcut.

API Hover Inspector

SurajKumarPrajapati

Hover over API endpoints in JS, TS, React, Python, Go, JSON & more to see live HTTP responses, status codes, latency & payload previews directly in VS Code.

API Guard: OpenAI & Anthropic API Error Checker

youssef3131

Catch OpenAI API, Anthropic API, and Claude API mistakes before you run your code — hardcoded keys, placeholder env vars, missing model/messages fields, model name typos, missing retry logic, and context window overflow.

ApiLane

KanaihyaKumar

Stop grepping for endpoints: ApiLane lists every API route in your workspace (Express, Fastify, NestJS, FastAPI, Flask, Django) in one clickable tree that jumps straight to the handler.

API Circle Studio

apicircle

Git-backed API workspace with mocks, plans, and MCP — natively in VS Code.

RequestLab

catuva21

Test and debug APIs directly in VS Code. An all-in-one HTTP, GraphQL, WebSocket and gRPC client — like Postman, inside your editor.