castomAPI
Get your key

Convert, generate & parse · 10 operations

Parse API

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

Utilities 1–3 tokens API key

Endpoints in Parse

POSTParse EML and Outlook MSG email files into structured headers/v1/parse/email2 tokens POSTScan uploaded files or remote URLs for malware/viruses/v1/parse/file2 tokens POSTParse and automatically repair malformed/v1/parse/jsonfree POSTValidate JSON data against a JSON Schema/v1/parse/json-schemafree POSTParse Polish National e-Invoicing System (KSeF) FA(1)/FA(2) XML…/v1/parse/ksef2 tokens POSTExtract vendor details, financials/v1/parse/receiptPRO 3 tokens POSTAnalyze text statistics, word counts/v1/parse/textfree POSTParse raw User-Agent header into browser/v1/parse/user-agentfree POSTVerify cryptographic webhook signatures (Stripe/v1/parse/webhookfree POSTParse German ZUGFeD and French Factur-X hybrid PDF/XML e-invoices (EN…/v1/parse/zugferd2 tokens

Cost and limits

This operation costs 1–3 tokens. 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.

Minify

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

Utilities

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