ZIP & Postal Code API for Forms, Analytics & Regional Workflows

Convert U.S. ZIP codes and Canadian postal codes into structured location data including city, state, province, region, and coordinates through a lightweight REST API.

Try It Out!

Enter a ZIP / postal code to preview the response

Test ZIP and postal code lookups and preview structured location data before integrating the API.

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Code Examples

Simple REST API requests with JSON responses for fast backend integration.

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How This API Works

The ZIP / Postal Code Lookup API converts U.S. ZIP codes and Canadian postal codes into structured location data including city, state, province, region, coordinates, and additional geographic metadata.

Designed for developers and backend systems, the API returns clean JSON responses that can be used for address validation, lead enrichment, regional routing, analytics, ecommerce workflows, and location-aware applications.

Who This API Is For

Built for developers, ecommerce platforms, CRMs, analytics systems, and backend applications that need reliable location data without maintaining their own postal code datasets.

This API is a good fit if you need to:

Convert codes into structured location data

Return city, region, province/state, and coordinates from ZIP or postal codes

Autofill forms

Prefill city & state fields after a user enters their code

Enrich leads or user profiles

Attach regional data without full address validation

Validate codes at the point of entry

Catch invalid codes before they pollute your data

Common ways this API is used:

Signup, checkout, and profile forms

Autofill and standardize location fields

Lead enrichment and regional routing

Assign users, orders, or leads based on geographic region and postal data

Regional analytics and segmentation

Group users, customers, or orders by city, province/state, or region

Service-area and eligibility checks

Confirm whether a user falls within supported regions

This API is a good fit if you need to:

Common ways this API is used:

Convert codes into structured location data

Return city, region, province/state, and coordinates from ZIP or postal codes

Signup, checkout, and profile forms

Autofill and standardize location fields

Autofill forms

Prefill city & state fields after a user enters their code

Lead enrichment and regional routing

Assign users, orders, or leads based on geographic region and postal data

Enrich leads or user profiles

Attach regional data without full address validation

Regional analytics and segmentation

Group users, customers, or orders by city, province/state, or region

Validate codes at the point of entry

Catch invalid codes before they pollute your data

Service-area and eligibility checks

Confirm whether a user falls within supported regions

Frequently Asked Questions

Yes. The API supports U.S. ZIP codes and Canadian postal codes and returns structured location data for supported regions.

Yes. The API can return geographic coordinates along with city, state, province, and regional location details.

Common use cases include signup forms, ecommerce checkout flows, analytics, lead enrichment, regional routing, CRM systems, and location-aware applications.

The API is useful for validating ZIP and postal codes and enriching address-related workflows, though it is not intended as full street-level address verification.

Yes. The API is useful for shipping estimates, regional availability checks, customer segmentation, and ecommerce checkout workflows.