Software Alternatives & Startups

ZIP Code API VS Nolt.io

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

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

Rating
0 reviews
Nolt.io

A fast & beautiful way to collect user feedback

Rating
0 reviews
Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

Which is more popular?

Based on our record, Nolt.io seems to be more popular. It has been mentioned 8 times since March 2021.

social mentions
0 vs 8
Zip Lookup popularity
100% vs 0%
alternatives listed
7 vs 240+

Base details

Website, pricing, platforms and company facts side by side.

ZIP
ZIP Code API
Nolt.io
Website zip-codes.com nolt.io
Pricing —
Company Startup from the United States · 2026 —
Listed in

About ZIP Code API and Nolt.io

In their own words, as submitted to SaaSHub.

ZIP
ZIP Code API
Nolt.io

API for US ZIP, ZIP+4, and Canadian postal code data. One unified endpoint set covers North America — no separate APIs by country or data type. What it does Address validation and standardization — production-grade parser with ZIP+4 append, refreshed monthly Radius search — centroid haversine and...

Read more about ZIP Code API

Features and specs

What each product offers, as listed by its team.

ZIP
ZIP Code API 5 features
Nolt.io 6 features
  • 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.
  • User-friendly Interface
    Nolt provides an intuitive and easy-to-navigate interface that makes it simple for users to submit feedback and ideas without any hurdles.
  • Customizable
    Nolt offers various customization options, allowing businesses to tailor the feedback board to match their brand's look and feel.
  • Integrations
    It supports integrations with tools like Slack, Intercom, and Zapier, making it easy to manage feedback within existing workflows.
  • Voting System
    Users can upvote and comment on ideas, allowing the most valuable suggestions to naturally rise to the top.
  • Anonymous feedback
    Nolt allows users to submit feedback anonymously, encouraging more honest and open feedback.
  • Affordability
    Nolt offers competitive pricing plans, providing great value for small to medium-sized businesses.

Possible disadvantages

  • Limited Advanced Features
    While Nolt covers basic feedback management very well, it may lack some of the advanced features offered by more comprehensive project management tools.
  • User Management Limitations
    Nolt might not be suitable for large enterprises with complex user management needs, as it offers limited functionality in this area.
  • Customization Constraints
    Although customizable, the scope for customization might not be enough for businesses seeking highly specific functionality.
  • Learning Curve for Integrations
    While Nolt does support various integrations, setting them up correctly can be somewhat challenging for users without technical expertise.
  • Limited Analytics
    Nolt provides basic analytics but lacks in-depth analytical tools that could be beneficial for more data-driven decision making.
  • No Mobile Apps
    As of now, Nolt does not offer dedicated mobile apps, which may be a hinderance for users looking for mobile-first solutions.

Analysis

An editorial look at what each product does well and who it suits.

ZIP
ZIP Code API
Nolt.io

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

No analysis of Nolt.io yet.

Videos

Walkthroughs and reviews on video.

ZIP
ZIP Code API 0 videos + Add
Nolt.io 2 videos + Add

No ZIP Code API videos yet. You could help us improve this page by suggesting one.

Give Your Community A Vote And A Voice With Nolt (Onboaring and Review)

More videos

  • - Nolt.io Suggestion Board!

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
ZIP
ZIP Code API
Nolt.io
100% 100%
0% 0%
0% 0%
100% 100%
100% 100%
0% 0%
0% 0%
100% 100%

User comments

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Reviews and articles

External articles and on-site reviews we used to compare the two products.

ZIP
ZIP Code API no reviews yet
Nolt.io no reviews yet

We have no reviews of ZIP Code API yet. Be the first one to post

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Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

ZIP
ZIP Code API 0 mentions
Nolt.io 8 mentions

Tracking ZIP Code API since May 2026.

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Alternatives to ZIP Code API and Nolt.io

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