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API · /mockdata-api

Mock Data API

healthy 4,879 Subscribers

Generate realistic fake data — users, postal addresses, companies and products — for testing, prototyping, demos and database seeding. Localizable to many languages and regions for names, addresses and phone numbers. Server-side and deterministic to call, ideal for CI fixtures and frontend mock states.

#mock #faker #testing #fake-data #fixtures #seeding #dev-tools
api.oanor.com/mockdata-api
Get an API key Try in playground → Contact provider

Machine-readable spec so AI agents can integrate this API.

/api/mockdata-api/openapi.json
/api/mockdata-api/llms.txt

Discovery: GET /api/index.json lists every API.

API health

healthy
Uptime
100.00%
Server probes · 24h
Avg latency
74 ms
Server probes · 24h
Subscribers
4,879
active
Total calls
36
last 7 days
status Full status page → · 36 probes/24h

Pricing

Pick a tier — billed monthly, cancel anytime.

Free

Free

  • 12,000 calls / month
  • 3 requests / second
  • Hard cap (429 above quota, no overage)
  • 12,000 records/mo at 3 rps
  • Core generators: users, addresses, companies
  • No credit card
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Basic

€4.00 /month

  • 150,000 calls / month
  • 10 requests / second
  • Hard cap (429 above quota, no overage)
  • 150,000 records/mo at 10 rps
  • All entity types incl. products
  • Locale + region overrides
  • Commercial use allowed
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Pro

€15.00 /month

  • 750,000 calls / month
  • 30 requests / second
  • Hard cap (429 above quota, no overage)
  • 750,000 records/mo at 30 rps
  • Bulk batch generation up to 1,000/call
  • Custom schema + seeded reproducibility
  • Email support
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Mega

€39.00 /month

  • 4,000,000 calls / month
  • 80 requests / second
  • Hard cap (429 above quota, no overage)
  • 4,000,000 records/mo at 80 rps
  • Highest throughput for CI/seeding pipelines
  • Priority support + 99.9% uptime SLA
  • Commercial use allowed
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Built by

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YAML API

Convert, validate and tidy YAML through a fast, fully-local API. Turn YAML into JSON (including multi-document streams) or JSON into clean YAML with optional key sorting and custom indentation, validate a document and get the exact line and column of any syntax error with a context snippet, or reformat and normalize existing YAML. Inputs can be sent as a raw text/plain body, a JSON field or a query parameter; outputs are tidy JSON. Pure server-side compute with no third-party upstream, so responses are instant and the service is always available. Ideal for DevOps and CI/CD, configuration and infrastructure-as-code tooling, no-code platforms, editors and data pipelines.

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Frequently asked questions

Quick answers about pricing, quotas, and integration.

How do I get an API key for Mock Data API?
Sign up for free at oanor.com, generate an API key from the developer dashboard, and call Mock Data API with the x-oanor-key header. No credit card needed for the free tier.
What's the rate limit for Mock Data API?
Free tier allows 1 request per second. Paid plans scale up to 50 requests per second on the Mega tier. Hard limits return HTTP 429 above the quota — no surprise overage charges.
How much does Mock Data API cost?
Mock Data API has a free tier with 100 calls / month. Paid plans start at €4.00 / month with higher quotas and faster rate limits.
Can I cancel my subscription anytime?
Yes. Plans are billed monthly and you can cancel anytime from your billing dashboard. No long-term contracts and no cancellation fee.
Is Mock Data API GDPR-compliant?
All requests to Mock Data API go through our EU-based gateway. Your upstream API key never leaves our server and no personal data is shared with the upstream provider beyond the request you send.

Pick an endpoint from the list on the left to see its details and try it.

Code snippets

Sign up to get an API key, then call any path under your slug.

curl https://api.oanor.com/mockdata-api/SOME_PATH \
  -H "x-oanor-key: oanor_test_..."
const res = await fetch("https://api.oanor.com/mockdata-api/SOME_PATH", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
const data = await res.json();
$ch = curl_init("https://api.oanor.com/mockdata-api/SOME_PATH");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_HTTPHEADER, ["x-oanor-key: oanor_test_..."]);
$response = curl_exec($ch);
import requests
r = requests.get(
    "https://api.oanor.com/mockdata-api/SOME_PATH",
    headers={"x-oanor-key": "oanor_test_..."},
)
print(r.json())

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