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FastMail VS ZIP Code API

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

FastMail

Email, calendars, and contacts to highest standards of security, privacy and reliability.

Rating
0 reviews
Pricing
Paid Free trial $3 / Monthly (per user)
To be Vibe Voted
Alternatives Is it good?
ZIP
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
Promote on VibeVoted
Alternatives Is it good?
Alterable
Real-time, open-time content for email: countdown timers, dynamic images, live product picks, geo-targeted maps, one-click surveys, and scratch-card rewards. No code, no ESP integration, rendered fresh every time someone opens. sponsored
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Which is more popular?

Based on our record, FastMail seems to be more popular. It has been mentioned 52 times since March 2021.

social mentions
52 vs 0
Email popularity
100% vs 0%
alternatives listed
240+ vs 7

Base details

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

FastMail
ZIP
ZIP Code API
Website fastmail.com zip-codes.com
Pricing
Paid Free trial $3 / Monthly (per user) Official pricing
—
Company — Startup from the United States · 2026
Listed in
Hosted Email Email Enterprise Communication Private Email +1
APIs Developer Tools Geocoding Location Intelligence Address API Zip Lookup +3

About FastMail and ZIP Code API

In their own words, as submitted to SaaSHub.

FastMail
ZIP
ZIP Code API

No description of FastMail yet.

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.

FastMail 5 features
ZIP
ZIP Code API 5 features
  • Privacy-Focused
    FastMail is known for its strong commitment to user privacy. They do not serve ads or sell user data to third parties, providing a more secure email experience.
  • Feature-Rich
    The service offers a variety of features such as email filtering, calendar integration, and contact management, making it a versatile choice for both personal and professional use.
  • Custom Domain Support
    Users can use their own custom domains with FastMail, which is particularly useful for businesses and advanced users.
  • Fast and Reliable
    FastMail lives up to its name by offering quick email delivery and a reliable, responsive user interface.
  • Support and Documentation
    FastMail provides robust customer support and has extensive documentation to help users troubleshoot issues and make the most out of the service.

Possible disadvantages

  • Cost
    FastMail is a paid service, which might deter some users who are accustomed to free email services like Gmail or Yahoo.
  • Limited Free Tier
    Unlike some competitors, FastMail does not offer a free tier, meaning users have to commit financially from the get-go.
  • No E2E Encryption
    FastMail does not provide end-to-end encryption by default, which may be a drawback for users seeking maximum security for their communications.
  • Complex Interface for Beginners
    While feature-rich, the interface may be overwhelming for users who are not technically inclined or are new to email management.
  • Limited Integration
    FastMail may not integrate as smoothly with some third-party services and applications when compared to giants like Google Workspace or Microsoft Office 365.
  • 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.

Analysis

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

FastMail
ZIP
ZIP Code API

Overall verdict

  • FastMail is an excellent choice for users seeking a reliable, privacy-focused email provider with a range of features that enhance productivity and data security.

Why this product is good

  • FastMail is considered a good email service due to its strong privacy features, user-friendly interface, and reliable performance. It is an independent email provider that doesn't rely on ad revenue, which enhances user privacy. The service offers robust security measures, including two-factor authentication and PGP encryption support, making it a trustworthy option for users concerned about data protection. Additionally, FastMail provides useful organizational tools, such as custom folders, rules for sorting emails, and integrated calendars and contacts, which help users manage their communications effectively.

Recommended for

    FastMail is recommended for individuals and businesses who value privacy and security in their email communications, as well as those looking for an ad-free, user-friendly email service with solid organizational tools. It's particularly suitable for users who require reliable performance and are willing to pay a subscription fee for enhanced features and privacy assurances.

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

Videos

Walkthroughs and reviews on video.

FastMail 1 video + Add
ZIP
ZIP Code API 0 videos + Add

Fastmail - Email Service Review

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

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
FastMail
ZIP
ZIP Code API
100% 100%
Email
0% 0%
0% 0%
Zip Lookup
100% 100%
100% 100%
Hosted Email
0% 0%
0% 0%
APIs
100% 100%

User comments

Share your experience with using FastMail and ZIP Code API. For example, how are they different and which one is better?

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Reviews and articles

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

FastMail no reviews yet
ZIP
ZIP Code API no reviews yet
  • The Top 4 ProtonMail Alternatives
    blog.superhuman.com · Aug 2024

    Fastmail is a great alternative to Protonmail because of its focus on security, but unlike other offerings, it doesn’t provide a free option. Fastmail’s approach to emailing will feel familiar to users of Gmail which...

  • The BEST Email Hosting Providers for Small Business in 2021
    www.thesearchengineshop.com · Oct 2020

    By choosing FastMail, the host will allow you to email from an address that matches your business website. You can create up to 100 your own domains ([email protected]) and 600 aliases ([email protected]). FastMail...

  • Moving away from GMail
    rolisz.ro · Apr 2020

    Fastmail was my top choice, from a usability perspective and I read many good reviews of it. It ticks all the boxes, at a cost of 50$ per year. I evaluated it a year ago, but because the construction of my house...

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

Social recommendations and mentions

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

FastMail 52 mentions
ZIP
ZIP Code API 0 mentions
  • Setting Up DNS for SaaS Emails
    Here is an example setup pointing to FastMail servers. - Source: dev.to / about 1 month ago
  • 📨 Building your Email API with Fastmail for free!
    Have you ever wondered how to host an email system without paying even a single penny? Well, this blog will guide you through the process of building your own email system on Node.js with the integration of fastmail.com. - Source: dev.to / over 2 years ago
  • Staying logged in/remembering cookies in specific containers only?
    Hi, I have recently added a few exceptions to cookie auto-deletion, e.g. To ensure my email provider (fastmail.com) remains logged in. However, for other parties who I do not trust, such as Google, I don't want to remember cookies 99% of... Source: about 3 years ago

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Tracking ZIP Code API since May 2026.

Alternatives to FastMail and ZIP Code API

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