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API · /fasthash-api

Fast Hash API

healthy 3,193 Subscribers

Non-cryptographic hash functions — the fast hashes used in hash tables, bloom filters, sharding, deduplication and cache keys. Give it text (UTF-8) or raw bytes as hex and it returns the digest under every algorithm at once, or under one named algorithm: FNV-1 and FNV-1a (32- and 64-bit), djb2, sdbm, Jenkins one-at-a-time, CRC-16 (CCITT-FALSE and ARC/IBM), Fletcher-16 and Fletcher-32, and MurmurHash3 (x86 32-bit, with an optional seed). Each digest is returned in hex and as an unsigned integer. Everything is computed locally and deterministically, so the same input always maps to the same hash — exactly what you need for stable bucketing and lookups. These are deliberately NOT for security: they are fast and well-distributed, not collision-resistant. Ideal for hash-table and bloom-filter implementations, consistent sharding and partitioning, cache and dedup keys, A/B bucketing, and teaching how hashing works. Pure local computation — no key, no third-party service, instant. Live, nothing stored. 3 endpoints. For cryptographic hashes (SHA, MD5, HMAC) use a hash API, and for CRC-32/Adler-32 integrity checksums use a checksum API.

#hash #fnv #murmurhash #crc16 #non-cryptographic #developer-tools
api.oanor.com/fasthash-api
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Machine-readable spec so AI agents can integrate this API.

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

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

Fast Hash API — live data on the oanor API marketplace

API health

healthy
Uptime
100.00%
Server probes · 24h
Avg latency
78 ms
Server probes · 24h
Subscribers
3,193
active
Total calls
57
last 7 days
status Full status page → · 6 probes/24h

Pricing

Pick a tier — billed monthly, cancel anytime.

Free

Free

  • 6,135 calls / month
  • 2 requests / second
  • Hard cap (429 above quota, no overage)
  • 6,135 calls/month
  • 2 req/sec
  • 12 algorithms
  • No credit card
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Starter

€7.65 /month

  • 15,650 calls / month
  • 8 requests / second
  • Hard cap (429 above quota, no overage)
  • 15.65k calls/month
  • 8 req/sec
  • FNV / Murmur3 / CRC-16 / Fletcher
  • Email support
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Pro

€27.55 /month

  • 207,500 calls / month
  • 20 requests / second
  • Hard cap (429 above quota, no overage)
  • 207.5k calls/month
  • 20 req/sec
  • Hash-table / sharding pipelines
  • Priority support
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Mega

€65.55 /month

  • 1,080,000 calls / month
  • 50 requests / second
  • Hard cap (429 above quota, no overage)
  • 1.08M calls/month
  • 50 req/sec
  • Platform scale
  • Dedicated SLA
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Hash and verify passwords with bcrypt, server-side. Generate a salted bcrypt hash at a cost factor you choose (4–14), check a plaintext password against an existing hash, or inspect a hash to read its bcrypt version, cost factor and salt. Fully compatible with bcrypt hashes from PHP ($2y$), Node, Python and others, so you can verify and migrate existing credentials. Pure server-side computation with no third-party upstream, so it is always available — and it offloads the deliberately CPU-intensive hashing work from your own servers. Ideal for adding password authentication, credential migration, auth tooling, testing and no-code backends.

api.oanor.com/bcrypt-api

 Hash API — oanor API marketplace

Hash API

Compute cryptographic hashes (MD5, SHA-1, SHA-256/384/512, SHA-3, RIPEMD-160) in hex or base64, generate HMAC signatures for webhook and message authentication, and mint v4 UUIDs. All server-side and deterministic. Handy for integrity checks, signing, cache keys, deduplication and id generation.

api.oanor.com/hash-api

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Programming Languages API

The language definitions GitHub uses to recognise code (the open-source Linguist data) as an API — a clean reference for syntax highlighting, file-type detection, repository dashboards and developer tooling. For each of 800+ languages the API returns its type (programming, markup, data or prose), its brand colour (the hex GitHub paints it), the file extensions associated with it, common aliases, the GitHub language id and the editor (ace) mode. Look a language up by name or alias (golang resolves to Go), reverse-look-up which language(s) own a file extension (.py → Python; .h → C, C++, Objective-C), list the languages of a type, search, or list them all. Distinct from languages-api (ISO 639 human languages) — this is the programming-language reference. Served from memory — always fast.

api.oanor.com/proglang-api

 MIME Types API — oanor API marketplace

MIME Types API

The canonical MIME / media-type database (the jshttp mime-db used by Express and most of the Node ecosystem: IANA + Apache + nginx), served from memory — no key. Resolve a media type to its file extensions, charset and compressibility; reverse-lookup the media type(s) for a file extension (e.g. png → image/png); and search or list types by source. 2,600+ media types, 1,000+ with file extensions. Lean, predictable JSON. Ideal for upload validation, Content-Type resolution, file-type detection, download handlers and developer tooling.

api.oanor.com/mimetypes-api

Frequently asked questions

Quick answers about pricing, quotas, and integration.

How do I get an API key for Fast Hash API?
Sign up for free at oanor.com, generate an API key from the developer dashboard, and call Fast Hash API with the x-oanor-key header. No credit card needed for the free tier.
What's the rate limit for Fast Hash 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 Fast Hash API cost?
Fast Hash API has a free tier with 100 calls / month. Paid plans start at €7.65 / 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 Fast Hash API GDPR-compliant?
All requests to Fast Hash 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/fasthash-api/SOME_PATH \
  -H "x-oanor-key: oanor_test_..."
const res = await fetch("https://api.oanor.com/fasthash-api/SOME_PATH", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
const data = await res.json();
$ch = curl_init("https://api.oanor.com/fasthash-api/SOME_PATH");
curl_setopt($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/fasthash-api/SOME_PATH",
    headers={"x-oanor-key": "oanor_test_..."},
)
print(r.json())

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