ZIP Code API
Documentation | Account
This tool allows to developers to submit standard RESTful web API requests and receive XML or JSON responses back. Look up current ZIP code data or city data, perform radius searches, and find the distance between two locations. Includes US and Canada ZIP codes.
The ZIP Code API allows you to do such things as automatically look up a customer's city and state based on their ZIP code, locate regions within a certain radius to define sales territories, find which location is nearest another, or power a store locator.
All the heavy lifting is done on our server, and our master ZIP code database is kept as current as possible, multiple times per day.
API Endpoints
| Service | Description | Docs |
|---|---|---|
| zipinfo | Returns full information about a requested ZIP code. | [Docs] |
| citysearch | Returns all ZIP codes matching a text search by city name or substring. | [Docs] |
| distance | Returns the Great Circle distance between two ZIP codes. | [Docs] |
| radius | Returns all ZIP codes within a requested radius of a requested ZIP code. | [Docs] |
| accountinfo | Returns usage information about your account. | [Docs] |
Get Started Now for Free
All requests require a free API key. To obtain an API key and immediately begin making API requests with your free account, you first need to verify your email address:
| Price | # Daily calls | Max radius | Rate limit |
|---|---|---|---|
| Free | 50 | 50 miles | 1/sec |
| $19 / mo | 500 | 500 miles | None |
| $39 / mo | 2,500 | 2,500 miles | None |
| $59 / mo | 5,000 | 5,000 miles | None |
| $99 / mo | 10,000 | 10,000 miles | None |
| $299 / mo | Unlimited | Unlimited | None |
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