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ZIP Code API VS Geoco.io

Compare ZIP Code API VS Geoco.io and see what are their differences

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Contents:
  1. ยป Base Details
  2. ยป Reviews
  3. ยป Alternatives

ZIP Code API logo ZIP Code API

REST API for US ZIP, ZIP+4, and Canadian postal codes. Single unified endpoint covers address validation and standardization, radius search (centroid haversine and true spatial polygon intersection), point-to-point distance, autocomplete/typeah

Geoco.io logo Geoco.io

ridiculously cheap bulk geocoding turn US street addresses into map coordinates and map coordinates into street addresses using our straightforward REST API
  • ZIP Code API Landing page
    Landing page //
    2026-05-21

API for US ZIP, ZIP+4, and Canadian postal code data. One unified endpoint set covers North America โ€” no separate APIs by country or data type.

What it does

  • Address validation and standardization โ€” production-grade parser with ZIP+4 append, refreshed monthly
  • Radius search โ€” centroid haversine and true spatial polygon intersection. Returns ZIPs/FSAs within range, with per-result pct_inside overlap percentage for spatial queries
  • Unified lookup endpoint โ€” accepts US ZIP, ZIP+4, Canadian FSA, full Canadian postal codes, or latitude/longitude inputs
  • Autocomplete/typeahead โ€” cities, counties, metros, states, FSAs, ZIPs
  • Point-to-point distance โ€” between any two postal points
  • Census ACS demographics โ€” 2011โ€“2024, 542 fields per ZIP across income, education, housing, social, and economic profiles
  • Boundary lookups โ€” Census tracts, congressional districts, state legislative areas, school districts โ€” with computed intersection percentages per ZIP

What makes it different

  • Licensed commercial data โ€” not commodity or scraped sources
  • Canadian postal coverage โ€” most peers in this space are US-only
  • True spatial radius โ€” not just centroid haversine
  • 14 years of historical ACS depth via API โ€” unusual outside of raw Census downloads
  • One endpoint for all of North America โ€” no country-detection or input-routing logic to maintain on the client side

Pricing

  • Free โ€” 2,500 lookups/day, no credit card required, no expiry
  • Developer โ€” $49/mo, 100K credits, 300/min
  • Professional โ€” $149/mo, 350K credits, 300/min
  • Business โ€” $499/mo, 1.5M credits, 600/min
  • Credit packs โ€” one-time, from 25K ($19) up to 2M ($799)

Resources

  • Geoco.io Landing page
    Landing page //
    2021-07-30

ZIP Code API features and specs

  • Comprehensive ZIP Code Data
    The ZIP Code API from zip-codes.com provides extensive data including ZIP code details, city information, state data, and geographic coordinates, making it a thorough resource for location-based lookups.
  • Multiple Lookup Options
    The API supports various types of lookups including ZIP code to city/state, city/state to ZIP code, distance calculations between ZIP codes, and radius searches, offering flexible querying capabilities.
  • Easy Integration
    The API uses standard REST-based HTTP requests and returns data in commonly used formats like JSON and XML, making it straightforward to integrate into most applications and programming languages.
  • Distance and Radius Calculations
    The API includes built-in functionality for calculating distances between ZIP codes and finding ZIP codes within a specified radius, which is valuable for store locators, shipping estimates, and proximity-based features.
  • Well-Documented Endpoints
    The API provides clear documentation for its various endpoints and parameters, helping developers understand available features and implement them correctly without extensive trial and error.

Geoco.io features and specs

  • Accuracy
    Geocod.io is known for its accurate geocoding services, providing precise geographic coordinates for given addresses.
  • Cost-Effective
    It offers affordable pricing plans, making it accessible for small businesses and developers with limited budgets.
  • Batch Processing
    Geocod.io supports batch geocoding, allowing users to process large datasets efficiently.
  • Versatility
    The platform supports various data formats and can integrate easily with existing systems through its API.
  • Data Enrichment
    Geocod.io provides additional data enrichment options like congressional districts, school districts, and time zones.
  • U.S. and Canadian Focus
    It specializes in geocoding within the United States and Canada, which can be advantageous for users targeting these regions.

Possible disadvantages of Geoco.io

  • Limited Global Coverage
    Geocod.io has limited international geocoding capabilities, which may not be suitable for users needing broader global coverage.
  • Dependency on Third-party Data
    The platform relies on third-party data sources, which may occasionally impact data freshness or completeness.
  • Internet Connectivity Required
    Like most web-based services, it requires a stable internet connection for access and cannot be used offline.
  • Learning Curve
    New users might face a learning curve in understanding and fully utilizing the platform's functionalities and API.
  • U.S. Centric Extras
    Additional data services (e.g., district information) are primarily U.S.-centric, which might not benefit users outside the country.

Analysis of ZIP Code API

Overall verdict

  • ZIP Code API from zip-codes.com is a solid, reliable choice for developers and businesses needing accurate US and Canadian postal code data, offering a straightforward RESTful interface with regularly updated databases.

Why this product is good

  • Provides accurate and frequently updated ZIP code, city, state, and geographic data
  • Offers a simple RESTful API that is easy to integrate into web and mobile applications
  • Supports features like ZIP code lookup, radius search, and distance calculations
  • Includes both US ZIP codes and Canadian postal codes for broader coverage
  • Backed by an established data provider with a long track record in postal data

Recommended for

  • Developers building address validation or autofill features
  • E-commerce platforms needing shipping and location-based calculations
  • Businesses performing geographic or radius-based store locators
  • Applications requiring reliable US and Canadian postal data
  • Marketing and logistics teams that need regional or demographic targeting

Category Popularity

0-100% (relative to ZIP Code API and Geoco.io)

ZIP Code API

Geoco.io

APIs
100 100%
APIs
0% 0
Geocoding
44 44%
Geocoding
56% 56
Zip Lookup
100 100%
Zip Lookup
0% 0
Maps
0 0%
Maps
100% 100

User comments

Share your experience with using ZIP Code API and Geoco.io. For example, how are they different and which one is better?
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Social recommendations and mentions

Based on our record, Geoco.io seems to be more popular. It has been mentiond 4 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

ZIP Code API mentions (0)

We have not tracked any mentions of ZIP Code API yet. Tracking of ZIP Code API recommendations started around May 2026.

Geoco.io mentions (4)

  • GIS or map (to import CSV addresses) not GPS coords & label EACH on a map?
    Try geocod.io, it gives you a few hundred free geocodes per day. Source: over 3 years ago
  • Looking for US medical provider -> doctor's office / practice location(s) -> hospital network -> insurance dataset
    Lat/lon you'll probably have to pay for. We used geocod.io to get lat/lon for all practices and providers. It cost about $6k for all 7M records, I think. Source: almost 4 years ago
  • Anyone interested in a geo-encoded address data service (OSM and Google Maps alternative)?
    If I correctly get it, then geocod.io only does US and Canada? Source: almost 4 years ago
  • Home value "isotherm" style map.
    Sounds like a cool project (and insane market - I'd hate to have to buy somewhere like that) and thanks for the geocod.io link. I'll check em out. If you'd like to send me a small sample dataset (maybe just paste some tsv into here), I'd love to play with it in my free time and see what I can make. Source: over 4 years ago

What are some alternatives?

When comparing ZIP Code API and Geoco.io, you can also consider the following products

Smarty - Smarty provides address validation, autocomplete, geocoding and reverse geocoding services covering addresses in over 240+ countries.

Geocoder.ca - Geocoder.ca - A Canadian and US location geocoder

Zipcodestack - Free Zip Code API - Free Postal Code Validation | Zipcodestack

Google Maps - Find local businesses, view maps and get driving directions in Google Maps.

PostalDataPI - The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.

Melissa Data Quality - Melissa helps companies to harness Big Data, legacy data, and people data (names, addresses, phone numbers, and emails).

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