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API · /qrlogo-api

QR Code with Logo API

healthy 4,867 Subscribers

Generate branded QR codes with a centre logo overlay, custom foreground and background colors, chosen size and error-correction level, as PNG or SVG. When a logo is supplied the error-correction level is raised automatically so the code stays scannable, and the logo is placed on a rounded white plate in the centre. Includes one-call helpers that build the correct payload for you: a Wi-Fi-join QR (SSID, password, encryption, hidden), a vCard contact QR (name, phone, email, organisation, title, URL, address) and a batch endpoint that returns up to 100 QR codes in a single request. Supply a logo by public URL, base64 or a raw binary body; receive results as base64 PNG/SVG JSON or, with raw=1, the raw image bytes. Pure server-side rendering (qrcode + sharp), no third-party upstream. Ideal for marketing and packaging, business cards and events, restaurant menus, Wi-Fi sharing and app onboarding.

#qr-code #qr #logo #branding #wifi #vcard #dev-tools
api.oanor.com/qrlogo-api
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Machine-readable spec so AI agents can integrate this API.

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

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

API health

healthy
Uptime
100.00%
Server probes · 24h
Avg latency
109 ms
Server probes · 24h
Subscribers
4,867
active
Total calls
12
last 7 days
status Full status page → · 12 probes/24h

Pricing

Pick a tier — billed monthly, cancel anytime.

Free

Free

  • 11,000 calls / month
  • 2 requests / second
  • Hard cap (429 above quota, no overage)
  • 11,000 calls/month, 2 req/s
  • Branded QR with logo, colors, SVG/PNG + Wi-Fi/vCard/batch
  • No credit card
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Basic

€6.80 /month

  • 130,000 calls / month
  • 6 requests / second
  • Hard cap (429 above quota, no overage)
  • 130,000 requests/month, 6 req/s
  • Logo overlay, custom colors, all helpers
  • Commercial use included
  • Email support
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Pro

€20.00 /month

  • 950,000 calls / month
  • 16 requests / second
  • Hard cap (429 above quota, no overage)
  • 950,000 requests/month, 16 req/s
  • High throughput for marketing & batch generation
  • Priority email support
  • Commercial use allowed
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Mega

€53.00 /month

  • 4,800,000 calls / month
  • 45 requests / second
  • Hard cap (429 above quota, no overage)
  • 4,800,000 requests/month, 45 req/s
  • Highest throughput for production QR pipelines
  • Priority support
  • Commercial use allowed
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Built by

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QR Code API

Generate QR codes on demand as a base64 PNG, an SVG, or a raw embeddable image. Customise size, quiet-zone margin, error-correction level and foreground/background colors. Encode URLs, text, Wi-Fi, vCards and more.

api.oanor.com/qr-api

NSFW Detection API

Moderate images automatically with on-device machine learning. Classify any image across five categories — neutral, drawing, sexy, porn and hentai — and receive per-class probabilities, the top class, a combined NSFW score and a clear verdict (safe, questionable or nsfw). A simpler check endpoint returns a single safe/unsafe decision against a threshold you choose, ideal for upload gates and user-generated-content pipelines. Supply an image by public URL, base64 or a raw binary request body; only public http/https URLs are accepted and private or internal hosts are blocked, and large images are downscaled automatically. Runs locally on TensorFlow (NSFWJS / MobileNetV2) — no third-party upstream and no per-image cloud cost — with a warm model that keeps inference fast. Ideal for community platforms, marketplaces, dating and chat apps, and any service that accepts user images.

api.oanor.com/nsfw-api

Grammar API

Catch spelling mistakes in six languages — English, German, Spanish, French, Portuguese and Dutch — and get English style and grammar suggestions in one call. Spelling errors come with their position in the text and a ranked list of corrections; style suggestions flag repeated words, weasel words, passive voice, wordiness, clichés and more. A combined check returns spelling and style together (sorted by position), a spelling-only endpoint covers all six languages, a single-word endpoint returns corrections for one word, and a languages endpoint lists what is supported. Every endpoint takes text via the query string or the request body and returns lean JSON. Pure server-side computation (Hunspell dictionaries + write-good, no third-party upstream, no LLM cost), so responses are instant and always available. Ideal for editors and CMSs, form and comment validation, chat and email tools, and writing assistants.

api.oanor.com/grammar-api

PDF to Text API

Extract text from PDF documents: the complete document text, the text of every page separately, the document metadata (page count, title, author, subject, keywords, creator, producer, creation and modification dates, PDF version, encryption and outline flags), and a full in-document search that returns the matching pages with hit counts and context snippets. Supply a PDF by public URL, base64 or a raw binary request body; only public http/https URLs are accepted and private or internal hosts are blocked. Pure server-side computation (pdf.js, no third-party upstream, no per-page cloud cost). Ideal for document indexing and search, data extraction and ETL, invoice and contract processing, archiving and content pipelines.

api.oanor.com/pdftext-api

Frequently asked questions

Quick answers about pricing, quotas, and integration.

How do I get an API key for QR Code with Logo API?
Sign up for free at oanor.com, generate an API key from the developer dashboard, and call QR Code with Logo API with the x-oanor-key header. No credit card needed for the free tier.
What's the rate limit for QR Code with Logo 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 QR Code with Logo API cost?
QR Code with Logo API has a free tier with 100 calls / month. Paid plans start at €6.80 / 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 QR Code with Logo API GDPR-compliant?
All requests to QR Code with Logo 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/qrlogo-api/SOME_PATH \
  -H "x-oanor-key: oanor_test_..."
const res = await fetch("https://api.oanor.com/qrlogo-api/SOME_PATH", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
const data = await res.json();
$ch = curl_init("https://api.oanor.com/qrlogo-api/SOME_PATH");
curl_setopt($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/qrlogo-api/SOME_PATH",
    headers={"x-oanor-key": "oanor_test_..."},
)
print(r.json())

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