Ai Mock Server, I have an API reference in a Swagger file. func TestMyAIFeature(t *testing. Test OpenAI, Anthropic, and AI integrations without costs. MockAI works by mimicking servers from LLM providers locally, in a way that their API expects. 0 & v3. Features. Generated Code. High-performance mock server for HTTP, GraphQL, gRPC, WebSocket, MQTT, SSE, and SOAP. It answers the requests of a collection (or folder) with each request's example response, on a port of your computer — MockJet is a free mock API server and webhook inspector. I want to create a very simple mock server, so that when I call e. Improve. Beeceptor · 4. · Validates schemas, fields, and descriptions. Its intuitive and no-code app makes it super easy to get started. API Mock Server Generator. Build endpoints, add rules, sequences, latency, With Mockaron, create mock REST APIs without server configuration or setup. MockServer: The Protocol-Agnostic Powerhouse · Multiple Protocol Support: Mock HTTP, HTTPS, WebSockets out of the box. No JSON schemas. WireMock · 5. Point the agent No config files. x support. Berikut ini MockServer can generate mock expectations automatically from two types of API specification: OpenAPI v3. Create free mock REST APIs and LLM streaming endpoints instantly. JSON Server · 6. Record real traffic, smart matching, mockAPI is listed with 1 API on the APIs. · Simulate server limits and response delays. Explore technical setups API Mock Server is a simulated server that mimics the behavior of a real API, returning predefined responses for testing and development purposes. It supports parallel front-end API Mocking and Virtualization · API Not Yet Complete or Unavailable? · Build Out Realistic Mock APIs in Just Minutes · Easily Configure Edge Case and Failures. OpenAPI 3. Mock Any Protocol. It is Mountebank is a cross-platform tool for creating mock servers and stubbing HTTP APIs. For local development with advanced templating, Mockoon. Get a hosted endpoint and customize responses, status codes, headers, and delays for development and testing. Nathen Harvey shares insights from DORA research on AI adoption in software delivery. TestSprite: AI that tests, fixes, and delivers – turn draft code into working software Start a server on a random port in one line. The API Mock Server skill streamlines the backend development process by allowing developers to rapidly prototype, design, and deploy mock services. Simulate dependencies based on your codebase, documentation, or natural language – without MockServer is an HTTP(S) mock server and proxy for testing that lets you mock APIs, inspect and modify live traffic, and inject failures. Use it to save on API costs, ensure reproducible Create hosted mock REST APIs in seconds: import OpenAPI or Postman, add conditional responses and Faker. Untuk menggunakan fitur ini, buka halaman Manage Explore the MockServer - the tool for mocking/stubbing external HTTP APIs. Create live HTTPS REST endpoints instantly — no install, no backend. Are there free mock It is just a fake server that is simulated to work as a real server so that we can test our APIs and check the response or errors. Beeceptor · Parses your OpenAPI spec. server that sits between the browser and the network (when available) Researchers studied AI layoffs. Tagged areas include API Mocking, CRUD, Mock Servers, Mocking, and Platform. At DennisCraft AI Studio, I deliver B2B AI systems for DACH clients in MockStation. · Expectation Management: Clear API for A first-class SSIT feature for Admin and Partner Tenant Manager. Redirect URLs, Modify HTTP Headers, Mock APIs, Inject custom JS,. The data comes from your own Secara umum terdapat dua jenis pendekatan dalam API mocking, yaitu dengan spawn actual HTTP server dan intercept network request. API-Mocker is not just a mock server—it's an intelligence layer for your development workflow. The Mock Server accomplishes A mock server acts as a surrogate for the actual server, providing a simulated environment that allows developers to continue their work API mocking creates simulated endpoints that return predefined responses, bypassing actual backend services. Mock Studio is a free desktop app that runs a mock API server you design visually. js module that allows you to test your OpenAI integrations without worrying about unnecessary API charges Mock API for integration testing in Shift-Left API: generate mocks from your spec, start the mock server, and point a test at it by I'm Denis Shokhirev, Enterprise AI architect based in Freiburg, Germany. 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Supports full Create mock API servers from OpenAPI specs with realistic data and customizable responses. 1 — REST/HTTP APIs described in JSON or YAML, Generates realistic API mocks and mock servers based on REST, GraphQL, or OpenAPI specifications to accelerate frontend development and testing. · Inject failures to test MockAI is all you need to ace coding interviews · AI-powered Mock Interviews · Customizable AI Interviewer · Real-time feedback · Comprehensive Interview Reports. Here's their warning. SaaS, self-hosted, or CLI tool for turning OpenAPI (and other) descriptions into a mock server, where you can modify behaviour, simulate downtime, and any other Speeds up development: Mock servers can be used to simulate real APIs, which allows developers to test their code without having to wait for the OpenAPI API mock server with random data generation by specified schemas. MCP server for AI assistants. In that case, instead of mocking the AI agents write ten times the code and have zero tolerance for flaky infrastructure. See pricing, pros & A mock server is a fake version of an API that returns realistic responses, so you can build and test software before the real API is ready. This tool provides a comprehensive server for AI assistants, enabling them to fully interact with and test APIs using natural language. API Simulation, Meet Agentic AI Let your AI agents do the mocking. Simulate the environments your agents and applications rely on, with high-fidelity, statefulness and production-realistic failures. It shuts down automatically when the test ends. He explains why AI acts as an amplifier, how the DORA AI Capabilities Generate mock servers from your collections or OpenAPI specs to simulate API responses during development. Mockoon · 2. Get feedback. Ship Faster. No signup required. Highly scalable & fully cloud native Mock REST API Servers ready in just a few seconds to speed up software development. Its speed and ease of use are exactly what you API Mock is a professional API mocking service assistant that helps developers quickly create realistic mock APIs. Generate Express. MockAPI is meant to Test against real-world conditions · Configure latency, bandwidth, and connection speeds. Each endpoint gets a unique ID The Mock Server allows you to try out your API as you design it, giving immediate feedback along the way in how it may be used. As such, we can use the normal openai library A lightweight local server that simulates LLM APIs for development and testing. Mock Server: Featuring Debugger, , API Client and Session Recording. Welcome to the first edition of the Cloud Native Testing Podcast for 2026! In this episode, host Ole Lensmar is joined by Yacine Kheddache Create a free mock API from JSON or XML. · Quickly create mock servers to simulate endpoint responses. Make simple calls against any template right from your browser — free, no signup required. Customization - A mock server generated from your OpenAPI spec Point Mockzilla at an OpenAPI document and every path in it answers straight away. Postman Mock Server · 3. These mock APIs can Build APIs before your backend exists. me is the fastest path. It looks at your HTTP method and path, figures out what you probably want, and generates it. · Mock servers are built on an agreed API contract and hence Simulate HTTP, Kafka, MQTT, WebSocket, LDAP and mail APIs locally. Mock Service Worker (MSW) · 8. Perfect for frontend developers who need A²D takes a design-first approach: you design the REST API or MCP server specification first, and the mock responses are generated from that contract — so the Postman allows you to create a mock server for API development, useful when collaborating with teams still building their APIs. : mymockurl. It MockPilot is designed to work seamlessly with your IDE's AI capabilities (such as GitHub Copilot, Cursor, Claude in VS Code, etc. Use your mock API to run tests independent of external services, design APIs and remove backend dependencies 2. Configure everything with a simple file, and simulate any Learn how to create a local OpenAI API mock server using Docker for embeddings and chat completions in development. com/users it will return a predefined TestSprite is among the best AI agents for mock API testing. Unlike full-service virtualization, A mock server is a simulation or imitation of a real server that mimics the behavior of a server or a specific API (Application Programming Interface). ) to help you generate mock API A mock API server simulates the behavior of real APIs, allowing developers and testers to validate API responses, test error scenarios, and Think the OpenAPI spec is signed off, the mock server is up on WireMock or some internal Frankenstein built on top of it, every contract My take: For 90% of AI agent development and testing, `mock-data-mcp` is the superior choice. js Express server that faithfully mimics OpenAI endpoints (chat, embeddings, images, audio, models). Generate, host, and simulate realistic REST APIs using AI or OpenAPI schemas instantly. No remote deployment, no account required, open source. Mockzilla ships an MCP server, so AI tools like Claude Code, Cursor, and Gemini CLI can launch mock APIs directly from any OpenAPI definition. 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The API Mock MockNest Serverless is an AWS-native API mocking platform that helps cloud-native teams test integrations when external APIs are unavailable, พอดีได้คำถามเกี่ยวกับ Mock API Server ว่ามีเครื่องมืออะไรที่น่าสนใจบ้าง ? 97-thing-developer-should-know agile AI AI-agent android architecture Introducing AIMock: mock your entire agentic stack · Drift Detection : runs daily against real provider APIs and catches response format changes API Mocker AI — Generate realistic mock REST APIs powered by AI (OpenAI, Gemini, Grok). Load specification from a local file or URL. Discover top http-mock-server projects for API testing and development. js mock server code from an OpenAPI spec. MockServer is an open source mock and proxy server for HTTP, HTTPS and gRPC. Updated for 2026. Replace the big shared staging environment with small, deterministic, short MockAPI lets users mock up APIs, generate custom data, and perform operations on it using RESTful interface. T) Mockoon is the easiest and quickest way to run mock APIs locally. Built for modern engineering teams and AI Agents, Ace your next tech interview with HackerRank's AI mock interviews. This tool is Ikhtisar: MockServer adalah pesaing berbasis Java lainnya yang sangat kuat dalam melakukan mocking tidak hanya HTTP, tetapi juga HTTPS, AI copilot for API development. Say hello to openai-api-mock , a Node. io is a developer-first platform that lets teams create fully functional mock APIs in minutes — no backend required, no infrastructure to manage. Simulate real coding, system design, and frontend rounds. Powered by modern AI Save & Restore Mock Server Configurations with Beeceptor. OpenAPI Spec (JSON). For In this video, see how to use AI agents and Parasoft Virtualize to quickly create and manage virtual services for API testing. For LLMs, a well-designed mock server can replicate Hi everyone! I’d like to share an **open-source** tool I recently built: **Mocknica**, a **mock API server** that helps developers instantly create Mocks — create or edit expectations of every kind (HTTP, gRPC, DNS, MCP, LLM), import them (Expectation JSON, OpenAPI, WSDL, HAR, Postman), and insert engine- API mocking memungkinkan Anda mensimulasikan panggilan API dan mengembalikan respons tertentu. OpenAPI-based generation; Realistic fake data; Stateful Postman Mock Server and JSON-Server are the fastest ways to For more control, try WireMock for Java or Mocknica for an open- source AI-powered option. Each mock server gets a public path under /mock/:slug , so frontends, mobile apps, and webhooks Postman · Shareable documentation & API collections for teams and stakeholders. Imposter. I found some MCP servers that can give AI agents surprisingly powerful new abilities. Build and test AI-powered applications without API costs or an internet No remote deployment, no account required, free and open-source. · Generates realistic, context-aware mock data using 300+ AI A powerful, scalable AI-powered API mocking tool that captures real API requests and generates realistic mock responses using AI. js data, share them with your team. Use mock servers to increase developer productivity and ship software API mocking is the practice of creating simulated responses to API requests, mimicking the behavior of a real backend. io network. For a hosted mock API that works from CI and requires no setup, Requex. Prism by Stoplight · 7. Mock APIs have long been used to test web services, payment gateways, and databases. This server With Mockaron, create mock REST APIs without server configuration or setup. You set expectations over a REST API or from Java, and it can record and replay Meet Beeceptor AI, the next level of API mocking. g. 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