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Instead of Addrex Address Validation API
Addrex Address Validation API alternatives
Addrex Address Validation API is built for U.S. address workflows that need validation, standardization, classification, match codes, confidence scores, and coordinates. Its API accepts one-line or structured fields and returns JSON, while the web workflow handles CSV and Excel uploads, detects address columns, and appends cleaned results for download. It expands abbreviations, fixes typos, parses grid-style inputs, and can add ZIP+4 when available. API examples cover curl, Node.js, and Python. Free Beta includes 10,000 validation rows per day, while paid plans begin at $39 per month; autocomplete requires a paid plan. Real-time API data is not retained beyond the request, and batch files default to seven days.
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Addresser
Free plan AndroidAPIiPhone+1Australian and New Zealand address operations — Addresser covers Australian and New Zealand addresses, emails, and phones, with DPID, geocoordinates, regional data, and AMAS certification.
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Melissa Global Address Verification
Free plan APILinuxSelf-hosted+2Global, multilingual, or self-hosted deployments — Melissa verifies more than 250 countries, supports transliteration, and offers public-cloud or on-premise deployment with numerous business integrations.
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PostalUp
Free plan APIWebUSPS-backed developer workflows and postal datasets — PostalUp combines USPS-refreshed validation with webhooks, an API playground, Postman and OpenAPI resources, and downloadable postal datasets.
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Addressr
Free plan APISelf-hostedWebAustralian G-NAF search and self-hosting — Addressr uses Australia's G-NAF for search, autocomplete, identifiers, and structured details, with a self-hosted option and optional geocoding.
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AddressZen
Free plan AndroidAPIExtension+2International autocomplete and form integrations — AddressZen supports 240+ countries, 60+ languages, typo-aware suggestions, browser extension access, and many commerce and form integrations.
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Lob Address Verification
Free plan APIWebUS deliverability checks with postal certification — Lob offers USPS CASS-certified verification, delivery and carrier-route data, confidence scoring, bulk checks, and coverage across more than 240 territories.
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PostNL Address Validation API
Free plan APIWebInternational webshop and CRM address suggestions — PostNL supports over 250 countries and returns local formatting, mailability and similarity scores, coordinates, and plugins for several commerce platforms.
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Byteplant Address Validator
Free plan APIWebWindows7.3 Visit site - 9
Hopewiser Address Validation
Free plan APILinuxSelf-hosted+2 - 10
Google Maps Platform Address Validation API
Free plan APIWeb - 11
PostGrid Address Verification
Free plan APISelf-hostedWeb - 12
XVerify
Free plan APIWeb - 13
Addressify
Free trial AndroidAPIiPhone+4 - 14
AddressComplete
Free trial APIWeb - 15
Addressfinder
Free trial APIWeb - 16
Ideal Postcodes Address Finder
Free trial AndroidAPIExtension+2 - 17
AFD Postcode
Free trial WebWindows6.1 Visit site - 18
Experian Address Validation
Free trial APIWeb - 19
Fetchify
Free trial APIWeb - 20
Loqate Address Verification
Free trial APISelf-hostedWeb - 21
Smarty Address Verification
Free trial AndroidAPIiPhone+5 - 22
DOTS Address Validation – US 3
Free trial APIWeb5.8 Visit site - 23
UPU POST*CODE API
Free trial APIWeb - 24
Royal Mail AddressNow Capture
Free trial Web
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