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 APIs46 services in this categoryDeveloper Tools APIs
46 servicesURL Shortener API
Create short links from absolute URLs and resolve codes back to the original destination. Returns the short URL, code, permanence, and expiry when applicable.
External ProvidersAccount Balance
Check subscription status and credit balance with authenticated GET requests. Useful for usage guards, billing screens, and account monitoring.
External ProvidersProfanity Check
Send text and optional language to detect profanity in user-generated content. Useful for moderation checks before publishing comments, chats, or reviews.
External ProvidersURL Unshortener
Resolve shortened URLs and follow redirect chains with optional hop and timeout limits. Useful for link checks, analytics, and canonical destination lookup.
External ProvidersCSV to JSON Converter
Convert CSV files, URLs, or raw text into JSON arrays, downloadable JSON files, or pre-signed S3 URLs for downstream processing.
External ProvidersPuzzle Generator API
Generate Sudoku puzzles and Schulte tables via GraphQL. Returns puzzle grids, solutions, difficulty, and randomized board layouts for game apps.
External ProvidersText Purifier Formatter
Remove emoji, markdown, and bracketed noise from raw text. Returns clean_text for TTS preprocessing and text normalization workflows.
Language Detection API
Detect the language of a text sample and get language, ISO codes, script, and confidence. Useful for routing multilingual content and NLP workflows.
Convert JSON to YAML API
Convert JSON from a body, file, or URL into YAML. Get plain text, a downloadable .yaml file, or a pre-signed S3 URL.
Convert JSON to GraphQL Schema API
Convert raw JSON, JSON files, or JSON URLs into GraphQL SDL. Get inline text, a .graphql download, or a pre-signed S3 URL.
Convert JSON to Zod Schema API
Generate Zod schemas from raw JSON, files, or URLs. Returns `.ts` files, S3 URLs, or explain output for TypeScript validation.
Convert JSON to Mongoose Schema API
Convert raw JSON, a JSON URL, or an uploaded file into Mongoose schema code. Returns JS or TS output with inference metadata, warnings, and confidence.
Which Developer Tools API do you need?
The question you arrived with, and the endpoint that answers it.