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ZIP Code API VS StartupResources.io

Compare ZIP Code API VS StartupResources.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

StartupResources.io logo StartupResources.io

Tightly curated lists of the best startup tools
  • 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

  • StartupResources.io Landing page
    Landing page //
    2023-10-05

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.

StartupResources.io features and specs

  • Comprehensive Resource List
    StartupResources.io offers an extensive directory of tools and resources tailored for startups, covering diverse categories such as marketing, funding, product development, and more. This breadth ensures that entrepreneurs can find specific resources to meet their varied needs.
  • User Reviews and Ratings
    The platform includes user-generated reviews and ratings, which can help new users make informed decisions based on the experiences of others.
  • Regular Updates
    StartupResources.io frequently updates its listings to include new and relevant tools, ensuring that users have access to the latest and most effective resources available in the market.
  • Free Access
    The majority of the resources and information on StartupResources.io are available for free, making it an accessible option for startups operating on tight budgets.
  • Categorization and Filters
    The site categorizes resources into logical groups and provides filtering options, making it easier for users to navigate and find specific tools tailored to their needs.

Possible disadvantages of StartupResources.io

  • Ad-supported Content
    Some sections of StartupResources.io may feature ads or sponsored listings, which could potentially bias the visibility or perceived value of certain resources.
  • Overwhelming for New Users
    The vast number of tools and resources available can be overwhelming for new users who may find it difficult to identify which tools are most relevant to their specific situation.
  • Quality Variability
    Given that the site aggregates a wide array of resources, the quality and effectiveness of the listed tools can vary significantly, which could lead to mixed user experiences.
  • No Customization
    StartupResources.io does not offer personalized recommendations or tailor its resource suggestions based on the individual needs of the users, which might limit its utility for some.
  • Possible Information Overload
    The abundance of available resources, while a strength, can also lead to information overload, making it challenging for users to efficiently sift through and choose the best options.

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 StartupResources.io)

ZIP Code API

StartupResources.io

Zip Lookup
100 100%
Zip Lookup
0% 0
Software Marketplace
0 0%
Software Marketplace
100% 100
APIs
100 100%
APIs
0% 0
Startups
0 0%
Startups
100% 100

User comments

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What are some alternatives?

When comparing ZIP Code API and StartupResources.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.

Startup Stash - A curated directory of 400 resources & tools for startups

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

Startup Buffer - Startup Buffer is a premium startup directory for emerging startups all around the world.

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

Product Hunt - A website that lets users share and discover new products

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