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ZIP Code API VS Transmit

Compare ZIP Code API VS Transmit and see what are their differences

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Contents:
  1. ยป Base Details
  2. ยป Videos
  3. ยป Reviews
  4. 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

Transmit logo Transmit

Transmit is an FTP client for Mac OS X and Mac OS Classic (which is unsupported).
  • 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

  • Transmit Landing page
    Landing page //
    2022-12-26

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.

Transmit features and specs

  • User-friendly Interface
    Transmit offers a clean and intuitive interface that makes file transfers easy, even for users who are not tech-savvy.
  • High Speed
    The application is optimized for speed, allowing for fast file transfers which can be crucial for productivity.
  • Supports Multiple Protocols
    Transmit supports a variety of protocols including SFTP, FTP, WebDAV, and Amazon S3, making it versatile for different types of file transfers.
  • Integration with MacOS
    Seamlessly integrates with macOS features such as Quick Look and Finder, providing a native feel and functionality.
  • Panic Sync
    Offers Panic Sync, a secure service that syncs your site data between various devices securely.

Possible disadvantages of Transmit

  • Cost
    Transmit is a paid application, which might be a drawback for users looking for a free solution.
  • MacOS Exclusive
    The software is available only for macOS, limiting its usage for Windows and Linux users.
  • No Mobile Version
    Currently, there is no mobile version of Transmit, which could be a limitation for users who need to transfer files on the go.
  • Learning Curve for Advanced Features
    While the basic functionalities are easy to use, advanced features may have a learning curve, requiring time to master.
  • Limited Customer Support
    Customer support options are limited, which could be an issue for users needing immediate assistance.

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

Analysis of Transmit

Overall verdict

  • Yes, Transmit is generally regarded as a good application for file transferring needs, particularly among Mac users who appreciate its seamless integration and user-friendly design.

Why this product is good

  • Transmit, developed by Panic, is considered a good file transfer client due to its intuitive interface, robust feature set, and reliable performance. It supports a wide range of protocols such as FTP, SFTP, WebDAV, and Amazon S3, making it versatile for different file transfer needs. Additionally, its powerful syncing capabilities and cloud integration options make managing files across different servers effortless.

Recommended for

    Transmit is recommended for web developers, IT professionals, and digital creatives who need a reliable tool for managing and transferring files across various servers and cloud services. It's especially ideal for macOS users seeking a sophisticated yet straightforward file transfer solution.

ZIP Code API videos

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Transmit videos

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Panic Releases Transmit 5 for Mac - FTP & Cloud Drive Manager

More videos:

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  • Review - Transmit Review

Category Popularity

0-100% (relative to ZIP Code API and Transmit)

ZIP Code API

Transmit

Zip Lookup
100 100%
Zip Lookup
0% 0
FTP Client
0 0%
FTP Client
100% 100
APIs
100 100%
APIs
0% 0
File Transfer
0 0%
File Transfer
100% 100

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare ZIP Code API and Transmit

ZIP Code API Reviews

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Transmit Reviews

10 Best FTP Clients for WordPress Users (Mac and Windows)
You should only consider Transmit if youโ€™re a Mac user. Outside of that, we recommend comparing Transmit and Forklift to see which one has the remote servers you need. Other than that, Transmit is for those who want a clean interface with fast upload and transfer speeds. The shortcuts are also great for improving your workflow.
Source: kinsta.com
6 FileZilla Alternatives for Safe File Transfers
Equipped with a powerful and easy-to-use user interface, Transmit offers advantageous features like Batch Rename, the Places Bar, the Get Info Sidebar, Column View, tags, and two-factor login. Access the local or remote folders you open most frequently with one click by adding them as favorites in Transmit.
Source: www.dnsstuff.com
10 best apps to mount cloud storage
This is an excellent cloud storage manager that supports 11 new cloud storages as well as works with FTP and SFTP servers. The app provides a lot of interesting and useful features. Mount cloud storage of your choice, upload and download files with an ease, do backups, manage websites and more with the help of Transmit.
Source: cloudmounter.net
7 Best FileZilla Alternatives You Should Try
Transmit is the gold standard in Mac FTP clients, and is recommended by almost every seasoned Mac user to anyone looking for a feature rich FTP client. The app definitely works great, and the UI is well arranged, although it does look dated by the standards set by todayโ€™s apps that use transparency and other visual effects. However, from a completely developer point of view...
Source: beebom.com

Social recommendations and mentions

Based on our record, Transmit seems to be more popular. It has been mentiond 22 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.

Transmit mentions (22)

  • The WinRAR Approach
    What do you miss? The ability to view an archive's contents without having to extract it first, and extract individual files? That can be achieved with BetterZip: https://macitbetter.com > The other one is Total Commander... Check out Transmit by Panic. It's technically a remote file transfer software, but can also be used for the local filesystem. https://panic.com/transmit. - Source: Hacker News / about 1 year ago
  • Ask HN: What software sparks joy when using?
    In no particular order: Prologue [0] - iOS Audiobook player, used Plex as a media source Overcast [1] - iOS Podcast player CleanShotX [2] - macOS screenshot/video/gif capture with annotation Drafts [3] - iOS/macOS note taking tool Paprika [4] - Cross platform recipe app YNAB [5] - "You Need A Budget" - web/mobile budgeting app 1Password [6] - Cross platform password manager Carrot Weather [7] - iOS weather app... - Source: Hacker News / over 2 years ago
  • macOS Finder is still bad at network file copies
    For remote connections Transmit[0] is solid and along the oldest Mac apps still in development. [0]: https://panic.com/transmit/. - Source: Hacker News / over 2 years ago
  • Tell HN: My Favorite Tools
    A few apps that are a joy to use: https://ia.net/writer for writing. https://usecontrast.com/ for checking contrast. https://sipapp.io/ for picking colors. https://nova.app/ for editing code. https://cleanshot.com/ for screenshots. https://getpixelsnap.com/ for measuring elements on screen. https://netnewswire.com/ for reading things via RSS. https://panic.com/transmit/ for file transfers. https://usefathom.com/... - Source: Hacker News / over 2 years ago
  • A collection of useful Mac Apps
    Transmit - Price: $45 (one-time purchase) FTP client for Mac that allows you to upload and download files to and from your server. Source: about 3 years ago
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What are some alternatives?

When comparing ZIP Code API and Transmit, you can also consider the following products

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

FileZilla - FileZilla is an FTP, or file transfer protocol, client. It lets individuals transfer single files or batches to a web server. For many years, FTP was the standard for website design. Read more about FileZilla.

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

Cyberduck - A libre FTP, SFTP, WebDAV, S3, Backblaze B2, Azure & OpenStack Swift browser.

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

Forklift - The most advanced dual pane file manager and file transfer client for macOS.

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