One API.
AU & NZ address,
ABN & data validation.
Sanctions screening, address autocomplete & validation, suburb & postcode lookup, reverse geocoding, ABN, ACN, email, and phone — one key covers everything you need.
Validate, screen, verify — one API
From sanctions screening and AML compliance to address validation and business lookups — one integration covers it all.
Address Autocomplete
Unit-level precision across 17.8M+ Australian and New Zealand addresses. Full structured response including unit, street, suburb, state/region, postcode, and coordinates.
Address Validation
Validate and standardise freeform Australian and New Zealand addresses against the official dataset. Returns structured, geocoded results with confidence scoring.
Reverse Geocoding
Coordinates to nearest address in Australia or New Zealand. Fast spatial lookups with distance in metres.
Suburb Autocomplete
Suburb and locality search for Australia and New Zealand, with state/region, postcode, and full details.
Postcode Lookup
All suburbs and localities for any 4-digit postcode — Australia and New Zealand.
Business Activity Search
Search 9,000+ Australian business activities and industry classifications (ANZSIC) with fuzzy matching and misspelling correction. Free.
ABN Lookup & Validation
Validate Australian Business Numbers and retrieve registered business details from ASIC.
ACN Lookup & Validation
Australian Company Number validation and ASIC company record lookup.
Company Name Availability
Check if a proposed company name is available for registration with ASIC.
Business Name Availability
Check if a proposed business (trading) name is available for registration with ASIC.
Email Validation
RFC syntax, MX record, SMTP deliverability, disposable and free provider detection, and quality scoring.
Phone Validation
Validate and normalise Australian and international numbers with carrier detection and line type identification.
Sanctions Screening
Screen names against 11 sanctions and debarment lists — including DFAT, UN, OFAC, EU, and more. Fuzzy matching with confidence scoring for AML/CTF compliance.
Director ID Validation
Format and checksum validation for Australian Director Identification Numbers.
TFN Validation
Structural checksum validation for Australian Tax File Numbers.
Australian data hygiene, done right
Not just autocomplete. A complete validation layer for Australian products.
Official source data
Addresses sourced from official government datasets for Australia and New Zealand. Business and compliance data from Geoscape, ASIC, and the ABR. Updated at the source. Not scraped. Not stale.
Developer first
REST API with clean JSON responses. Drop-in JavaScript widget. One Bearer token for all endpoints. Domain-bound for security. No SDK required.
Auditable by default
Every API call logged with timestamp, endpoint, and query. Result summary in your dashboard — full history available via CSV export. Built for compliance-adjacent workflows.
One key, every Australian endpoint
Register, create a domain-bound API token, and start calling endpoints. No configuration. No SDK required — just HTTP.
Register and create an API token for your domain
Call any autocomplete or validation endpoint as the user types
Get clean structured JSON back — ready for your app
$ curl -H "Authorization: Bearer ck_prv_..." \ "https://checkify.com.au/api/v1/autocomplete?query=1+smith" // Response { "CKNSW717780562": "<b>1</b> <b>Smith</b> St, SYDNEY NSW 2000", "CKNSW718422105": "<b>1</b> <b>Smith</b> Rd, MARRICKVILLE NSW 2204" }
Start validating Australian data in minutes
Free to try. No credit card required. Full API access from day one.