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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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api.oanor.com/fixtures-api

MAC Vendor API

Identify the manufacturer behind any MAC address. Look up a MAC or OUI to get the assigned vendor, its short name and the exact assignment block (/24, /28 or /36) using the official IEEE registry, search the registry by vendor name to find all of a company’s OUIs, or generate random valid test MAC addresses for a given vendor. MAC addresses are accepted in every common format — colon, hyphen, dot or bare hex — and bare OUIs work too. Built on the open IEEE OUI dataset (~57,000 assignments) and served entirely in-memory, so responses are instant and the service is always available. Ideal for network scanning and monitoring, IoT and device identification, security and asset inventory, NAC and devops tooling.

api.oanor.com/macvendor-api

Domain Parser API

Parse any hostname or URL with the Public Suffix List. Split a domain into its subdomain, registrable domain (eTLD+1) and public suffix (eTLD), or fetch just the suffix or just the registrable domain. Handles full URLs, internationalized (punycode) domains, IP addresses, multi-level suffixes like co.uk and com.au, and — when you ask for it — private suffixes such as github.io and s3 buckets. Built on an always-current Public Suffix List and served entirely in-memory, so responses are instant and the service is always available. Ideal for cookie and domain scoping, analytics attribution, email and link validation, security and anti-abuse, and devops tooling.

api.oanor.com/domain-api

Stopwords API

Stopword lists and removal for 58 languages. Fetch the full stopword list for a language, see all supported languages with their word counts, check whether a single word is a stopword, or strip stopwords out of a block of text to get a clean keyword stream. Built on the open stopwords-iso dataset and served entirely in-memory, so responses are instant and the service is always available. Ideal for search indexing and relevance, NLP preprocessing and text mining, keyword extraction, tag generation and content tooling.

api.oanor.com/stopwords-api

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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