niche · -1.0

Utility APIs

Score 17.8 / 100 3 providers 26 APIs Search apis.io →

Variants seen in the corpus: Utility APIsutility-apis

Providers using this tag (3)

Ranked by API Evangelist rating — Exemplar and Strong are expanded by default.

Developing 1 Usable, with meaningful gaps to close

_done_done is an agent-native catalog of 26 single-purpose utility REST APIs — network and DNS lookups, domain i...27 APIs40.7

Thin 2 Limited public surface area

FrostbyteFree API platform for developers and AI agents — 40+ services including IP Geolocation, Crypto Prices, Scre...10 APIs37.1 ApyHubApyHub is a marketplace of certified, production-ready HTTP APIs. One API key and one subscription work acr...451 APIs26.2

APIs with this tag (26)

Ranked by the provider's API Evangelist rating — the Kin Score is scored per provider, not per API, so every API of a provider shares its band. How the rating works →

Developing 26 Usable, with meaningful gaps to close

ASN LookupLook up the network operator, country, and address block behind any IP address or ASN number. Given an inte...40.7 BIMI CheckerChecks whether a website's email branding setup is correct so its logo shows up in inboxes. Checks one or m...40.7 Bulk DMARC Record LookupCheck email security (DMARC) configuration for one or many domains in a single request. Give this tool a li...40.7 Bulk QR Code GeneratorTurn a list of text, URLs, or any strings into QR code images instantly — one call, many codes. Send a list...40.7 CORS Header CheckerSend a URL and origin, get back exactly which cross-origin permissions that server grants. Sends a real req...40.7 Curl HTTP RequestMake a real HTTP request from the cloud and get back the status code, headers, and body instantly. Send an ...40.7 Directory Submission LitePlaces an order to have a website submitted to twenty directories, returning a confirmation number to track...40.7 DNS & WHOIS LookupLook up all 13 DNS record types plus full WHOIS registration data for up to 10 domains in one call. Send up...40.7 Domain Age CheckerGive it a list of domains and get back registration date, expiration date, age, and time remaining — instan...40.7 Domain Availability CheckerCheck whether 1–10 domain names have an active registration record using the official RDAP protocol. Give t...40.7 ENS ResolverResolve an ENS name to an Ethereum address, or an address back to its ENS name. Look up an ENS name or an E...40.7 Hacker News DataFetch Hacker News stories by category, or scan all stories/jobs/polls from a specific date, with optional n...40.7 Hashing, HMAC & Checksum SuiteCompute cryptographic hashes, HMAC signatures, and checksums — and verify webhook signatures with constant-...40.7 HTTP Header CheckerFetches any web address and returns its response headers, status code, and redirect path. Sends a request t...40.7 HTTP Status Code CheckerCheck the live status of up to 10 URLs at once and detect redirects instantly. Give this API a list of up t...40.7 JSON Validate, Repair, Convert, Query & DiffOne endpoint to validate, repair, format, query, diff, convert, and canonicalize JSON — the most common ope...40.7 Leetspeak TranslatorConverts regular text into leetspeak or decodes leetspeak back into normal readable text. Takes a piece of ...40.7 Mortgage & Loan Amortization CalculatorGet the exact monthly payment and full period-by-period breakdown for any fixed-rate loan — results an AI m...40.7 OCR Text ExtractorExtract text from any image using Tesseract OCR. Send a picture, either as a public web address or as base6...40.7 ScreenshotsCapture a screenshot of a fully rendered webpage, including JavaScript-heavy pages. Renders a webpage exact...40.7 SEO Data ExtractorFetch a webpage and instantly extract all key SEO fields: title, meta tags, headings, canonical URL, and mo...40.7 Shopify AI Rank CheckerCheck exactly where your Shopify product ranks when AI shopping assistants like ChatGPT and Gemini search f...40.7 Sitemap URL ExtractorGive it a sitemap.xml link and get back every URL listed in it — including nested sub-sitemaps — with metad...40.7 TCP Port ScannerSend a host and port range, get back a clean list of which ports are open and what services are running on ...40.7 URL Uptime CheckerChecks whether a website or web address is currently reachable and reports how fast it responded. Pay-per-c...40.7 US CPI Data & Inflation ReportReturns the latest, a specific month's, or a historical range of official US inflation (CPI) figures from B...40.7

Score breakdown

Frequency

38.6

log-scaled weighted occurrences

Breadth

0.1

spread across providers

Quality lift

40.8

mean composite of providers using it

Cohesion

0.0

strength of nearest seed neighbor

Where this tag comes from

Provider tag3

Api tag26