GHOSTAPI

Your frontend finally comes alive.

Upload your OpenAPI schema and instantly get a fully functional mock API with realistic data, behavior controls, and real-time logs.

TRUSTED BY DEVELOPERS AT
ShipFast
ByteCraft
DevStack
LaunchKit
Codewave
Acme Corp
FEATURES

Everything you need to simulate real APIs

GhostAPI gives you the tools to build, test, and iterate without waiting for a backend.

SCHEMA-FIRST
ZERO BACKEND
SHIP IN SECONDS

OpenAPI -> Mock API

01

Upload your OpenAPI schema and get a fully working API in seconds.

Realistic Responses

02

Dynamic data, relationships, and custom rules that feel real.

Behavior Controls

03

Simulate delays, errors, auth, and edge cases with ease.

Live Request Logs

04

See every request in real-time with headers, query params, and payloads.

Team Workspaces

05

Collaborate with your team and share mock environments.

Environment Sync

06

Switch between multiple environments in one click.

HOW IT WORKS

From schema to simulation in 3 simple steps

VIEW DOCS
STEP 01

Upload OpenAPI Schema

Upload your openapi.yaml or JSON file.

openapi: 3.0.0
info:
  title: My API
  version: 1.0.0
paths:
  /users:
    get:
      responses:
        '200':
          description: OK
STEP 02

Configure Behavior

Control responses, errors, delays, and authentication.

{
  "id": "{{id}}",
  "email": "{{email}}",
  "status": "active"
}
STEP 03

Start & Integrate

Get your mock API base URL and start building.

Your Mock API is live!

Base URL
https://api.ghostapi.dev/v1
API Key
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BUILT FOR DEVELOPERS

Why developers love GhostAPI

GhostAPI saved our team hours of waiting time. Our frontend devs can ship faster without blocking on APIs.

AR
Alex R.
Frontend Lead

The behavior controls are a game changer. We can simulate any scenario instantly.

PM
Priya M.
Full Stack Developer

Setup took literally 30 seconds. The request logs are incredibly detailed.

JT
Jason T.
Engineering Manager
PRICING

Simple, transparent pricing

Start free. Scale when you're ready. No hidden fees.

Free

$0/ month

Perfect for getting started.

  • 1 Project
  • 2 Environments
  • 5K Requests / Month
  • Community Support
GET STARTED
POPULAR

Pro

$7/ month

For individual developers, billed yearly.

  • Unlimited Projects
  • 10 Environments
  • 100K Requests / Month
  • Priority Support
START FREE TRIAL

Team

$23/ month

For small teams, billed yearly.

  • Everything in Pro
  • Team Workspaces
  • 1M Requests / Month
  • Team Support
START FREE TRIAL

Enterprise

Custom

For large organizations.

  • Everything in Team
  • SSO & SAML
  • Custom Limits
  • Dedicated Support
CONTACT SALES

Ready to bring your frontend to life?

Start simulating APIs in seconds. No credit card required.

GET STARTED FREE