Developer Tools APIs.
Developer tool APIs are the small utilities every service ends up needing — format conversion, IDs, hashes, token decoding, DNS and WHOIS lookups. Hosted so they don't become twelve copy-pasted helpers across your repos.
Also called utility APIs, dev utility APIs or helper APIs90 services in this categoryDeveloper Tools APIs
90 servicesBest Match Text Search API
Rank candidate strings against a source string using Levenshtein distance. Built for typo correction, deduplication, and closest-match lookup.
ApyHubVerifiedHosted on ApyHubAdvanced Schedule Cron API
Compute upcoming fire times for a 5-field cron expression. Returns next_runs, a count, the timezone, and the reference time used, all in UTC.
Validate Or Generate Barcode Check Digits API
Validate or generate barcode check digits for EAN, UPC, and ISBN values. Returns validity and check-digit fields for product data accuracy.
Check WCAG Color Contrast API
Compare foreground and background colors and get the WCAG 2.1 contrast ratio, AA and AAA pass or fail, luminance values, and a recommendation.
Text Similarity Search API
Compare a source and target string and get a similarity score from 0 to 1. Built for fuzzy matching, duplicate checks, and text ranking.
ApyHubVerifiedHosted on ApyHubText Distance Search API
Compare two strings with Levenshtein distance. Send a source and target, get an integer edit distance for fuzzy matching and typo checks.
ApyHubVerifiedHosted on ApyHubRanked Text Search API
Rank fuzzy matches for a search term against space-separated text. Returns matches with Levenshtein distance for typo-tolerant search.
ApyHubVerifiedHosted on ApyHubDifferentiate Text API
Compare two text or code snippets and get ordered diff segments plus addition, deletion, and unchanged counts for review and change tracking.
ApyHubVerifiedHosted on ApyHubGenerate SVG Badge API
Generate SVG badges from a label and message, with optional colours. Download the SVG or get a signed URL for READMEs, docs, and CI status.
ApyHubVerifiedHosted on ApyHubDNS Batch Lookup API
Batch resolve domains or IPs for A, AAAA, MX, NS, TXT, CNAME, and PTR records. Returns per-row status plus record data for every query.
ApyHubVerifiedHosted on ApyHubConvert Date & Time Formats API
Convert ISO strings, unix epochs, or the current time into UTC, localized, and relative formats. Returns weekday, week number, and epoch values.
MIME Type Lookup from File Name API
Map filenames or extensions to MIME types, or reverse a MIME type back to a filename-style value. Built for uploads, headers, and validation.
Which Developer Tools API do you need?
The question you arrived with, and the endpoint that answers it.