A real URL,
real-shaped JSON.
Fifteen seconds.
The frontend shouldn’t wait on the backend. Paste a schema, hit save, get a shareable URL with realistic data — faker built in, latency dialed to taste.
{
"id": "cus_8x9k2L",
"email": "maria@morpheus.dev",
"plan": {
"id": "team-pro",
"seats": 12,
"renews_at": "2026-04-12"
},
"created_at": "2024-08-14T09:32:00Z"
}Paste a response shape. Use {{faker.name}} or {{params.id}} for dynamic fields. Save. The URL is live and shareable in seconds.
One endpoint, many responses. Switch variants by query, header, or weighted random. Test your error states without breaking staging.
Dial in realistic latency (the spinner is a feature). Set headers. Turn CORS on. Anything that bites you in production, you can simulate here first.
Drop your expected response into the editor.
→A real URL is generated under your project namespace.
→Send the URL to your frontend. They’re unblocked.
→Add variants, tweak latency, watch hits in the log.