castomAPI
Get your key

Convert, generate & parse · 8 operations

Minify API

HTML, code, JSON, SVG, SQL, GraphQL, URLs and image metadata, made smaller without changing meaning.

Utilities 1 token API key

Endpoints in Minify

POSTMinify standalone ES6+ JavaScript or CSS3 code/v1/minify/codefree POSTMinify GraphQL queries, mutations/v1/minify/graphqlfree POSTMinify HTML, embedded CSS, and inline JavaScript code/v1/minify/htmlfree POSTLosslessly strip EXIF, GPS/v1/minify/image-metafree POSTMinify JSON and GeoJSON payloads/v1/minify/jsonfree POSTMinify SQL queries across PostgreSQL, MySQL, SQLite, and T-SQL dialects/v1/minify/sqlfree POSTOptimize SVG vector graphics/v1/minify/svgfree POSTStrip marketing, ad, and analytics tracking parameters (utm_*/v1/minify/urlfree

Cost and limits

This operation costs 1 token. A call that fails is never billed. Every account gets 1000 free tokens a month; paid balances never expire.

Rate limits per minute

No key 10 · Free 60 · Pro 300 · Enterprise 1200 ·

OpenAPI

https://app.castomapi.com/docs/json

Convert, generate & parse

Convert

Currencies, colours, coordinates, timestamps, data formats, encodings, numerals, casing — one call each.

Generate

Hashes, secrets, RSA keypairs, QR codes, screenshots, PDFs and DOCX from HTML, names and identities for test data.

Parse

Receipts, invoices (KSeF, ZUGFeRD), e-mails, files, webhooks, user agents, JSON and JSON Schema — into structure.

Utilities

DNS, GeoIP, weather, domain checks, disposable e-mail, image search, OCR, PDF to text and image, Excel to JSON.