Skip to content

Mockaroo

Generate fake data to JSON, CSV, TXT, SQL and XML

Open documentation ↗
API keyHTTPSNo CORSTest Data

Verified today: 100% uptime

API key

Required

HTTPS

Supported

Browser calls

No, needs a proxy

Status

Live · 100/100

Overview & Architectural Role

Mockaroo provides programmatic access to generate fake data to json, csv, txt, sql and xml. Delivered over secure HTTPS protocols, it exposes structured endpoints designed to integrate cleanly into modern frontend frameworks, backend microservices, and automated data pipelines without requiring local database provisioning.

Who it is built for

Engineers building web dashboards, mobile applications, CLI utilities, or background cron workers in need of reliable test data data feeds.

Architectural Advantage

Consuming Mockaroo removes the operational overhead of running custom scrapers, orchestrating headless browser fleets, or manually seeding and maintaining a local database. Instead of reverse-engineering volatile DOM layouts or dealing with anti-bot IP blocks, your application connects directly to a standardized JSON interface designed for backend ingestion with consistent schema schemas. Dedicated authentication ensures rate quotas and credential tracking per project environment.

What our checks found

Health score
100/100
Reliability
100%
Average latency
763ms

Last checked 2026-10-24. Measured independently, not self-reported by the provider.

Core Use Cases & Architecture Ideas

Practical real-world patterns for integrating Mockaroo into software systems.

Automated SaaS Feature Integration

Embed data and functionality from Mockaroo directly into application onboarding, profile enrichment, or reporting dashboards.

Architecture: Backend service worker fetches Mockaroo during user workflows, caches responses in Redis, and hydrates UI state.

Scheduled Reporting & Monitoring Bot

Periodically extract updates from Mockaroo to generate daily digests, analytics reports, or Slack notifications.

Architecture: A scheduled GitHub Action or cron worker executes a lightweight script calling Mockaroo, formatting markdown summaries for stakeholders.

Rapid Prototyping & Hackathon Showcase

Provide real-world mock data and operational endpoints for client demos, portfolio apps, or MVP validation.

Architecture: Static client SPA queries Mockaroo directly to populate mock dashboards, graphs, and interactive UI states without a custom backend.

Code Implementation Examples

Production-ready starting templates with error handling for Mockaroo.

// Requires an API key. Check the docs for whether it goes in a header or a query parameter.
// Modern native fetch with error handling
async function callApi() {
  try {
    const response = await fetch('https://www.mockaroo.com/api/v1/resource', {
      method: 'GET',
    headers: {
      'Authorization': 'Bearer YOUR_API_KEY',
      Accept: 'application/json',
    },
    });

    if (!response.ok) {
      throw new Error(`HTTP ${response.status}: ${response.statusText}`);
    }

    const data = await response.json();
    console.log('Response payload:', data);
    return data;
  } catch (error) {
    console.error('API request failed:', error);
    throw error;
  }
}

// callApi();

This API does not send CORS headers, so a browser will block a direct call from your front end. Call it from your server, or put a small proxy in front of it.

Response Payload & Live Testing

Inspect the expected JSON structure returned by Mockaroo.

Expected JSON Response Payload

Authentic sample payload structure to evaluate schema attributes before integration.

{
  "status": 200,
  "api": "Mockaroo",
  "endpoint": "/mockaroo",
  "data": {
    "id": 101,
    "title": "Mockaroo Sample Payload",
    "description": "Generate fake data to JSON, CSV, TXT, SQL and XML",
    "verified": true,
    "category": "Test Data",
    "updated_at": "2026-10-24T07:39:37.405Z"
  },
  "meta": {
    "response_time_ms": 763,
    "cached": false
  }
}
Format: application/json

Integration Considerations & Best Practices

Technical factors to keep in mind when integrating Mockaroo into production environments.

Implement In-Memory or Edge Caching

Avoid triggering rate limits on public feeds by caching response payloads in Redis, Vercel KV, or standard HTTP Cache-Control headers with a 5-to-15 minute TTL.

Shield Credentials in Backend Route Handlers

Never expose private API keys in client-side JavaScript or bundle environments. Proxy requests through a Next.js API route or serverless backend to keep secret keys out of public DevTools inspection.

CORS Proxy Required for Browser Frontend Calls

This API does not send Access-Control-Allow-Origin response headers. Direct fetch() calls from browser JavaScript will fail due to Same-Origin Policy. Route your calls through a server backend or lightweight edge proxy.

Validate HTTP Status Before Parsing JSON

Always inspect response.ok before executing response.json(). Upstream services returning 4xx or 502 Bad Gateway often serve HTML error pages, which cause syntax errors when parsed as JSON.

Where this listing comes from

Aggregated from one public source (public-apis), then normalised and checked by us.

Report an issue with this listing ↗

Other Test Data APIs

See all 50 →

DummyJSON

Test Data

Fake REST API with products, users, posts, comments, todos and more

No keyCORSHTTPS

Verified today: 100% uptime

View Details

FakeNamely

Test Data

Fictional identities, addresses and names for tests

No keyCORSHTTPS

Verified today: 100% uptime

View Details

FakeStoreAPI

Test Data

Fake store rest API for your e-commerce or shopping website prototype

No keyCORSHTTPS

Verified today: 100% uptime

View Details

RoboHash

Test Data

Generate random robot/alien avatars

No keyCORSHTTPS

Verified today: 100% uptime

View Details

Sampuli

Test Data

Format-true synthetic test data for 90 countries: IDs, IBANs, cards, addresses

No keyCORSHTTPS

Verified today: 100% uptime

View Details

Waldrand Avatar

Test Data

Deterministic SVG/PNG/WebP avatars from any string, four styles

No keyCORSHTTPS

Verified today: 100% uptime

View Details

Mockaroo — common questions

Answered from what our own scheduled checks found, not from the provider's marketing.

Is Mockaroo free to use?

Mockaroo is listed in our free catalogue, but it requires an API key, so you will need to register before your first call. Providers frequently reserve higher limits and commercial use for paid plans.

Does Mockaroo need an API key?

Yes. Mockaroo authenticates with an API key. Keep it server-side rather than in browser code, because anything in your frontend bundle is readable by anyone who opens developer tools.

Can I call Mockaroo from browser JavaScript?

Not directly. Mockaroo did not return CORS headers when we checked, so the browser will block your page from reading the response even though the request itself succeeds. Call it from a server, or put a small proxy in front of it.

Is Mockaroo still working?

Yes, as of 2026-10-24. Our automated check reached Mockaroo and recorded a 100% reliability score with a median response time of 763 ms. We re-check on a schedule, and this page updates with the result.

Is Mockaroo available over HTTPS?

Yes. Mockaroo serves over HTTPS, so you can call it from a secure page without triggering a mixed-content block.