Hoverfly Cloud

hoverfly.io
DevOps
Weekend Project

API simulation & service virtualization redefined

How to Replace Hoverfly Cloud

Overview

Hoverfly Cloud is a lightweight, hosted API simulation platform that allows developers to simulate APIs and push their systems beyond limitations. It enables parallel development, early functional testing, and reduces dependencies on live systems and external services. The platform specializes in API mocking and simulation with powerful, lightweight, and flexible capabilities.

Features

24 features across 11 categories

AI(1)

AI-Driven API SimulationAIPremium

Intelligent, AI-driven API simulation capabilities

Also in: monday.com, Notion, Airtable

Advanced(1)

Webhook and Callback SimulationPremium

Simulate webhooks and callback functionality

Core(3)

API Mocking

Replace dependent APIs with powerful, lightweight mock simulations

API Simulation

Create and simulate APIs without relying on live external services

CORS Support

Built-in support for Cross-Origin Resource Sharing

Data Management(1)

CSV Data PopulationPremium

Populate simulation responses from CSV files with add, update, and delete capabilities

Also in: monday.com, Notion, Airtable

Development(5)

Capture-Based Simulation Generation

Generate simulations by capturing actual API interactions

Continuous Testing and Development

Support for continuous testing and development with faster feedback loops

Generate Simulation from Swagger

Auto-generate API simulations from Swagger/OpenAPI specifications

Parallel Development Support

Enable parallel development and testing of dependent services

Simulation and Scenario Builder

Build API simulations and test scenarios with an integrated builder

Also in: Kissflow, Lattice, WordPress.com

Management(1)

Dashboard

Account management dashboard for configuring simulations and managing plans

Monitoring(1)

Persistent Journal

Maintain persistent logs and journals of API interactions

Performance(2)

Load-Balanced Instance ClustersPremium

Support for load-balanced clusters of API simulation instances

Low-Latency Responses

Fast response times and low network latency for simulated APIs

Also in: Jira Service Management, Hugging Face, WordPress.com

Security(1)

Authenticated Instance Support

Support for authenticated API simulations

Support(1)

Dedicated Account ManagerPremium

Dedicated account manager support for enterprise customers

Testing(7)

Error Injection

Reliably simulate failures and inject errors into test scenarios

Functional Testing

Comprehensive functional testing without disruptions to live systems

Latency SimulationPremium

Simulate network latency and delays in API responses

Performance Testing

Built-in tools for cost-effective performance testing with realistic simulations

Production Environment Replication

Replicate production environments with no changes to source code

Random Failure InjectionPremium

Inject random failures and errors into simulated APIs

Test Isolation

Isolate tests with no disruption to actual APIs or dependent systems

Pricing

Developer

$10/mo
  • 2 API simulation instances
  • 20 requests per second per instance
  • Simulation and Scenario builder
  • Generate simulation from Swagger
  • Generate simulation from capturing
  • Persistent journal
  • CORS support
  • Support authenticated instance

Professional

$30/mo
  • 5 API simulation instances
  • 20 requests per second per instance
  • Simulation and Scenario builder
  • Generate simulation from Swagger
  • Generate simulation from capturing
  • Persistent journal
  • CORS support
  • Support authenticated instance
  • Simulate latency and random failures

Enterprise

Custom
  • Unlimited API simulation instances
  • Up to 2,000 requests per second per instance
  • Load-balanced instance clusters
  • Populate responses from CSV with add, update, delete
  • Simulate webhooks and callbacks
  • Dedicated account manager
  • Fully customisable
  • Everything in Professional

Cost Calculator

Keep Paying Hoverfly Cloud

Monthly$10/mo
Yearly$120/yr
5-Year Total$600

Build It Yourself

Est. Build Time~2 hrs
Hosting$20/mo
DifficultyVery Easy

Total Cost Comparison

1 Year
SaaS
$120
DIY
$240
3 Years
SaaS
$360
DIY
$720
5 Years
SaaS
$600
DIY
$1.2k

DIY hosting estimate based on Vercel + Supabase free/pro tiers (~$20/mo). Build time estimated from 24 features at very easy complexity.

Build vs Buy

Should you build a Hoverfly Cloud alternative or buy the subscription? Estimate based on 24 features.

Buy Hoverfly Cloud

Better Value
Monthly cost$100/mo
3-year total$3,600
Time to deployDays

Build Your Own

Development cost$12,000
Maintenance$180/mo
3-year total$18,480
Dev time~1 months

Buying Hoverfly Cloud saves ~$14,880 over 3 years vs building.

Estimates based on 24 features and a BuildScore of 5/5. Actual costs vary.