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Verify an International Address Instantly

Enter a postal address to check its accuracy and deliverability.

TRY IT OUT

output Address result

Try for Free. Sign Up for Address Verification API

Enterprise-Grade International Address Verification, Built to Scale

Use a reliable solution with advanced features and multiple integration options.

  • Global Coverage
    Verify addresses across 245+ countries and territories for global delivery and operations accuracy.
  • Country-Specific Local Standardization
    Reformat addresses according to the officially accepted local postal standards.
  • Address Autocomplete
    Embed typeahead address suggestions into any form or checkout flow.

Why Businesses Use PostGrid to Verify International Addresses

PostGrid offers accurate, standardized, and delivery-ready address data for international operations. 

Lower Failed Deliveries

Check addresses against the official global postal database to confirm deliverability before dispatching any shipment.

Maintain Clean CRM Data

Standardize addresses in bulk or embed the autocomplete feature for cleaner address data across CRMs.

Cut Operational Costs

No need to spend unnecessary time on reshipments, manual corrections, and customer service operations.

Plug Into Your Existing Tech Stack

Native integrations with Salesforce, HubSpot, Zapier, Dynamics 365, and more let teams enable address verification without rebuilding workflows.

Eliminate Duplicate Records

Flag redundant records automatically and format them consistently across all systems to avoid database bloating.

Avoid Compliance Risks

Organizations in highly regulated industries can maintain accurate records to avoid the risk of compliance breaches.

Faster Checkout & Onboarding

Ensure faster form completion time with reduced errors by implementing autocomplete features on websites or apps.

Precise Location Intelligence

Enrich verified addresses with GPS coordinates, geocoding accuracy levels, match scores (0–100), and up to 25 granular address sub-components for logistics, analytics, and field operations.

How It Works

Get started in minutes to verify addresses worldwide. 

Connect PostGrid

Integrate PostGrid via REST API, native CRM connector, or use the no-code dashboard to help teams avoid building solutions from scratch.

Enter an Address

Provide a single address or an entire list via the API, dashboard, SFTP bulk upload, or an integrated autocomplete form to start verification.

Receive a Verified Result

PostGrid returns a verified, standardized, and enriched output in milliseconds by cross-referencing a country-specific postal database.

Core Features That Empower International Address Verification

Manage high-volume address data without hurting existing workflows, operations, or compliance.

01

High-Volume Batch Verification
Verify and standardize up to one million addresses automatically at once with CSV file uploads to maintain clean legacy databases.

02

Official Database Access
Cross-check global addresses against multiple authoritative postal databases, such as the USPS, Canada Post, Royal Mail, and Australia Post.

03

Geocoding Capabilities
Enrich addresses with geographic coordinates (longitudes and latitudes) to have rooftop-level accuracy, empowering location intelligence.

04

Postal Code Lookup
Fetch missing or incorrect postal codes of the respective street, city, and region. It helps organizations to route mailers and support postal carriers.

05

Flexible Input Formats
Enter structured fields, single-line freeform text, or partially complete entries to parse a clean, standardized result every time.

06

Match Score & Confidence Rating
Receive a match score for every verified address to determine how closely it matches the postal record, helping in reviews.

07

Native Integrations
Use integrations for Salesforce, Stripe, Dynamics 365, Shopify, and Zapier to build custom address verification workflows.

08

White-Label Ready Infrastructure
Embed the address verification infrastructure into any product, platform, or client-facing dashboard with a custom brand.

bulk mails

Built-in Transliteration and Multi-Language Support

Handle international addresses natively without needing pre-translation or manual intervention before verification. 

  • Complete support for non-Latin script, including Chinese, Arabic, Japanese, Korean, and more.
  • Convert non-Latin inputs into standardized Roman scripts automatically for Latin-based CRMs, logistics platforms, etc.
  • Make multi-language address data more manageable with consistent, standardized output across languages.

Full Technical Support & Uptime Commitment

No friction journey from making the first test call to full production. 

01

Native SDKs in Your Language

Access SDKs in preferred programming languages to cut integration time instead of building solutions from scratch.

02

Free Sandbox Testing

Get free lookup credits to test the International Address Verification API in a sandbox environment before live deployment.

03

99.9% Uptime
SLA

Scale address verification workflows confidently with a 99.9% uptime SLA for running millions of checks via the API in real-time.

04

Detailed API Documentation

Read the documentation that covers every endpoint, parameter, response field, and error code in full detail to support IT teams.

Enterprise-Grade Compliance and Data Security

HIPAA

PIPEDA

GDPR

SOC 2 TYPE 2

PCI-DSS

Data Encryption

Audit Logs

Role-Based Access Control

Secure Hosting on AWS

Single Sign-On

Third-Party Penetration Testing

Continuous Monitoring

International Address Verification Workflows Across Industries

Built to handle complex workflows, teams, operations, and compliance with ease. 

Ecommerce & Retail

Online and offline retailers can lower cart abandonment, failed deliveries, and expensive re-shipments by capturing verified address data at source. So, every shipment reaches the intended customer on the first attempt.

Finance

Banks and financial institutions can maintain precise customer records for KYC compliance, regulatory reporting, and physical correspondence using PostGrid. At the end, there could be lower compliance risks and failed statement deliveries across international markets.

Healthcare & Insurance

Medical providers and insurers cannot risk exposing PHI by delivering medical records or insurance documents to the wrong address. PostGrid’s solution helps them maintain HIPAA compliance by verifying, standardizing, and making addresses delivery-ready.

Logistics & Transportation

Global deliveries and transport are heavily dependent on address data and geocodes. PostGrid helps in lowering missed deliveries, delays, routing costs, and frustrated customers with address enrichment features. 

Marketing & Advertisement

A direct mail campaign's ROI depends entirely on the accuracy of the recipient list. PostGrid verifies international mailing lists before a single piece prints, ensuring your budget reaches real, deliverable addresses rather than phantom records.

Telecommunications

Global telecom companies manage vast customer databases across multiple regions. PostGrid empowers them for billing, service activation, field engineer dispatch, and physical correspondence operations. Also, it reduces the price of maintaining clean customer data at scale.

Customer Success Stories

With a 5-star rating, global brands prefer using PostGrid to verify postal addresses worldwide. 

Read the Case Study

Ecobee

The global smart home appliances manufacturer was facing an increased non-deliverability issue due to incomplete addresses. PostGrid’s API integration helped the company to embed autocomplete features into forms, reducing return shipments by 27%.

Read the Case Study

Talent Reef

The talent management company was tired of having onboarding delays because of invalid candidate addresses. Typeahead address predictions using PostGrid helped them to reduce manual data entry mistakes by 75%.

Read the Case Study

Leon’s

The furniture retailer was fed up with its inconsistent supplier address database, impacting critical operations. They used PostGrid’s bulk verification capabilities to save 100,000 CAD annually and countless administrative hours.

Integrates with Your Favorite Tech Stack & Tools

Easily Improve your workflow and automate print & mail through seamless integration capabilities.

salesforce logo
PostGrid Marketo
Post Grid Eloqua
PostGrid Hubspot
sap
microsoft dynamic
activecampaign
insightly
keap
zoho
pipedrive
twilio
netsuit
close.io
zapier

Frequently Asked Questions

What Is International Address Verification?

It refers to the process of validating, standardizing, and enriching postal addresses across the world against authoritative databases. PostGrid relies on these databases to fix formatting errors, standardize records to local postal conventions, and provide delivery-ready results. 

Which Address Formats Are Supported by PostGrid?

PostGrid accepts entries in structured field-by-field inputs, single-line freeform text, and partially complete addresses. It makes the verification process very convenient for the end user, returning a clean, standardized output. In fact, they don’t even have to worry about non-Latin scripts in inputs. 

Can Businesses Install the Address Verification Solution Locally?

Yes, they can also expect a self-hosted solution with PostGrid. There’s little engineering requirement on the user’s part, but it lets them save results in a database for future reference. Consider reaching out to the support team to get help with the installation process. 

Can PostGrid Handle Individual Regional Layout Worldwide?

Yes, PostGrid is built to verify and standardize addresses across 245+ countries and territories. It cross-references user inputs against multiple official databases, including the USPS, Canada Post, Royal Mail, Australia Post, and more. This support helps in adapting addresses to specific regional postal guidelines.  

Ready to Get Started?

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