PostGrid Address VerificationPostGrid
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About
PostGrid Address Verification is a real-time postal address validation solution for verifying, validating, standardizing, autocorrecting and enriching all of your customers' addresses with our CASS and SERP certified address database. With our Standard address verification API you can easily validate US and Canadian addresses real-time. With our International Address Verification API, you can verify addresses across 245+ countries globally. Ensure your customer's addresses are up to date and ensure accurate mail deliverability.
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About
Production REST API for US and Canadian postal-code data. Capabilities: address validation and standardization with ZIP+4 append, radius search (centroid haversine to 500 mi, or true spatial polygon intersection to 250 mi with per-result percent-inside), point-to-point distance and bearing, multi-entity autocomplete (cities, ZIPs, counties, metros, FSAs, school districts), per-ZIP enrichments — Census ACS demographics across 14 years (542 fields), congressional, state legislative, and school district lookups.
Six endpoints accept US ZIP, ZIP+4, Canadian FSA, Canadian postal, or lat/lon coordinates. Batch processes up to 100 inputs. REST/JSON over HTTPS, API-key auth, CORS, OpenAPI 3 spec, public Postman collection.
Free tier: 2,500 requests/day, no credit card, no expiration. Paid: Developer $49/mo, Professional $149/mo, Business $499/mo. Credit packs $19–$799.
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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Audience
Insurance, Retail & Ecommerce, Financial Services, Real Estate, Healthcare
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Audience
Developers and product teams shipping address-validation, geocoding, or postal-data features into their own products. Primary buyers: e-commerce platforms (checkout validation), CRM/RevOps admins (lead routing and territory mapping), store-locator product teams (service-area coverage), real-estate and market-research analysts (ZIP-level demographics), and logistics teams (distance and addressing across US + Canada). Self-service freemium pricing means individual developers can evaluate and ship without engaging a sales team.
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Support
Phone Support
24/7 Live Support
Online
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Support
Phone Support
24/7 Live Support
Online
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API
Offers API
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API
Offers API
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Screenshots and VideosNo images available
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Screenshots and VideosNo images available
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Pricing
$0
Free Version
Free Trial
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Pricing
$49/month
Free Version
Free Trial
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Reviews/
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Reviews/
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Training
Documentation
Webinars
Live Online
In Person
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Training
Documentation
Webinars
Live Online
In Person
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Company InformationPostGrid
Founded: 2021
Canada
www.postgrid.com
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Company InformationZip-Codes.com
Founded: 2003
United States
www.zip-codes.com
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Integrations
No info available.
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Integrations
No info available.
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