Real endpoints
Call your mocks from any HTTP client.
Developer-first mock APIs
Design, test, and share realistic GET API mocks in seconds—with custom JSON responses, scenarios, templates, and a live URL.
30-day retention. Mock APIs are automatically deleted after 30 days.
Request → response
GET https://mock-json-data.vercel.app/api/demo-123456
X-API-Key: mjd_your_api_key
{
"status": 200,
"success": true,
"message": "Request successful",
"data": {},
"timestamp": "{{datetime}}"
}Fast · secure · easy to use
Call your mock API in seconds.
Generate one API key in your dashboard and send it with every public request. Your key protects all of your APIs and keeps unknown users from accessing your mock data.
X-API-Key: mjd_your_api_keyScenarios
Switch behaviour with a header or query parameter.
Dynamic responses
Use templates for UUIDs, dates, request fields, and query values.