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 APIs85 services in this categoryDeveloper Tools APIs
85 servicesText 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.
Split Excel API
Split .xlsx and .xlsm files into one workbook per value group. Track job status and progress, then download the finished split outputs.
JWT Decoder API
Decode a JWT and inspect its header, payload, and claims without verifying the signature. Built for debugging auth flows and token contents.
Generate IDs In Batch API
Generate batches of UUIDs, ULIDs, NanoIDs, hex strings, or short tokens in one call. Built for test data, fixtures, and temporary identifiers.
Convert Number Bases API
Convert integer strings between bases 2 and 36, with auto-detection for 0x, 0o, and 0b prefixes. Useful for radix formatting and mixed-base input.
Convert Color Formats API
Convert a color string in hex, RGB, or HSL and get structured JSON back. Useful for palette generation, accessibility checks, and formatting.
Which Developer Tools API do you need?
The question you arrived with, and the endpoint that answers it.